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<h3 style="color: #c0995e; margin-top: 22px; margin-bottom: 15px;">2026</h3>
<div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">March 22, 2026</strong>
</p>
<p style="margin: 0;">Our <a href="https://doi.org/10.1016/j.ijmultiphaseflow.2026.105674" target="_blank" rel="noopener noreferrer">paper</a> on hardware-accelerated phase-averaging for cavitating bubbly flows, a collaboration with <a href="https://wp.wpi.edu/cmtl/" target="_blank" rel="noopener noreferrer">Aswin Gnanaskandan</a> and Diego Vaca-Revelo of WPI, is published in the <i>International Journal of Multiphase Flow</i>.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">March 16, 2026</strong>
</p>
<p style="margin: 0;">We are at the <a href="https://march.aps.org/" target="_blank" rel="noopener noreferrer">APS March Meeting</a> in Denver this week. Spencer is presenting on <a href="https://summit.aps.org/events/MAR-M43/2" target="_blank" rel="noopener noreferrer"><i>Shocks without tracking or capturing</i></a> at exascale, and Zhixin Song is presenting on <a href="https://summit.aps.org/events/MAR-A18/11" target="_blank" rel="noopener noreferrer"><i>Efficient Reconstruction for Real-Valued Quantum States</i></a>.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">March 12, 2026</strong>
</p>
<p style="margin: 0;">Spencer is giving a seminar at the <a href="https://www.utsi.edu/" target="_blank" rel="noopener noreferrer">University of Tennessee Space Institute</a> on the simulation of many-engine rocket boosters.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">March 11, 2026</strong>
</p>
<p style="margin: 0;">Spencer is giving a seminar at <a href="https://www.ornl.gov/" target="_blank" rel="noopener noreferrer">Oak Ridge National Laboratory</a> on benchmarking scientific workloads and the scientific use of exascale machines in practice.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">March 4, 2026</strong>
</p>
<p style="margin: 0;">Spencer is presenting <i>Compressible Flow with a Free Lunch: Simulating 1 Quadrillion Degrees of Freedom Via Regularization Without Loss of Accuracy</i> at <a href="https://www.siam.org/conferences-events/siam-conferences/pp26/" target="_blank" rel="noopener noreferrer">SIAM PP26</a> this week in Berlin, Germany.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">February 20, 2026</strong>
</p>
<p style="margin: 0;">The group receives a <a href="https://doeleadershipcomputing.org/" target="_blank" rel="noopener noreferrer">DOE INCITE</a> award of 750K node hours on <a href="https://www.olcf.ornl.gov/frontier/" target="_blank" rel="noopener noreferrer">OLCF Frontier</a> for the project <i>Exascale-enabled Simulation of Cavitation for Medicine and Beyond</i>. PI Bryngelson, co-PIs T. Colonius, M. Rodriguez, F. Liu, and R. Budiardja.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">February 19, 2026</strong>
</p>
<p style="margin: 0;">Spencer is giving a talk at the <a href="https://www.aerosociety.com/events-calendar/raes-aerodynamics-workshop-2026-cfd-validation-challenges-perspectives-from-modellers-and-measurers/" target="_blank" rel="noopener noreferrer">RAeS Aerodynamics Workshop 2026</a> in London on soft material characterization at high strain rates and surrogate models for turbulence. Collaboration with UT Austin, Michigan, and Brown.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">January 18, 2026</strong>
</p>
<p style="margin: 0;">Our paper on MFC 5.0 (<a href="https://arxiv.org/pdf/2503.07953" target="_blank">preprint here</a>) was accepted for publication in <i>Computer Physics Communications</i>. Thanks to all the authors, collaborators, and referees!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">January 8, 2026</strong>
</p>
<p style="margin: 0;">Our AIAA SCITECH ‘26 conference paper, focusing on <a href="https://doi.org/10.2514/6.2026-1812" target="_blank">symbolic computational abstraction of chemistry libraries</a> is now available online. Work with Ph.D. student Dimitrios Adam and UTSI faculty Esteban Cisneros-Garibay. We will be presenting it during the <a href="https://arc.aiaa.org/doi/book/10.2514/MSCITECH26" target="_blank">SCITECH forum</a> next week, Jan 12-16, 2026.</p>
</div>
</div>
<h3 style="color: #c0995e; margin-top: 22px; margin-bottom: 15px;">2025</h3>
<div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">December 22, 2025</strong>
</p>
<p style="margin: 0;">A new group preprint by graduate student Haocheng Yu and postdoc Tianyi Chu, <i>Energy dissipation mechanisms in an acoustically-driven slit</i>, is <a href="https://doi.org/10.48550/arXiv.2512.19507" target="_blank" rel="noopener noreferrer">available on arXiv</a>. Using DNS and spectral POD, we quantify how incident acoustic energy is converted into vortical motion and viscous dissipation, identifying the coherent structures and mechanisms that govern absorption.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">December 11, 2025</strong>
</p>
<p style="margin: 0;">Our paper on <i>Pyrometheus</i>, which provides symbolic abstractions for XPU and automatic differention of thermochemistry/combustion was accepted and available at <a href="https://doi.org/10.1016/j.cpc.2025.109987" target="_blank" rel="noopener noreferrer">Computer Physics Communications</a>. Collaboration with Prof. Esteban Cisneros-Garibay at UTSI, group Ph.D. student Dimitrios Adam, and group alumni Henry Le Berre.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">December 4, 2025</strong>
</p>
<p style="margin: 0;">Georgia Tech <a href="https://www.cc.gatech.edu/news/record-breaking-simulation-boosts-rocket-science-and-supercomputing-new-limits" target="_blank" rel="noopener noreferrer">runs a story</a> on our rocket simulations, <a href="https://dl.acm.org/doi/10.1145/3712285.3771783" target="_blank" rel="noopener noreferrer">as discussed heretofore</a>. This is closely related to the ACM 2025 Gordon Bell Finalist work with former GT faculty, new at the Courant Institute, Prof. Florian Schäfer.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">November 26, 2025</strong>
</p>
<p style="margin: 0;">Our group collaborated with Diego Vaca-Revelo and Aswin Gnanaskandan of WPI on the hardware acceleration of bubbly flow models in Navier-Stokes solvers, demonstrated in MFC. The preprint <a href="https://arxiv.org/abs/2511.21031" target="_blank" rel="noopener noreferrer">is available here.</a></p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">November 24, 2025</strong>
</p>
<p style="margin: 0;">Our group, along with collaborators at UT-Austin, Michigan, and Brown, have pushed a preprint on Bayesian model selection for soft materials at very high strain rates. It’s available <a href="https://arxiv.org/abs/2511.16794">here!</a></p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">November 22, 2025</strong>
</p>
<p style="margin: 0;">We are at <a href="https://www.aps.org/events/2025/78th-dfd-annual-meeting" target="_blank" rel="noopener noreferrer">APS DFD 2025</a> in Houston for the next few days. Ben, Spencer, and Tianyi are giving talks. Say hello if you see us!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">November 19, 2025</strong>
</p>
<p style="margin: 0;">Lawrence Livermore National Lab ran <a href="https://www.llnl.gov/article/53626/gordon-bell-finalist-team-pushes-scale-rocket-simulation-el-capitan" target="_blank" rel="noopener noreferrer">a nice story</a> about our work on the largest and fastest CFD simulation (in particular on El Capitan), which is a 2025 ACM Gordon Bell Finalist. NVIDIA also posted about us in a blog post on <a href="https://blogs.nvidia.com/blog/gordon-bell-finalists-2025/" target="_blank" rel="noopener noreferrer">their website</a>.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">November 15, 2025</strong>
</p>
<p style="margin: 0;">Much of the group is at SC25 this week. Spencer is giving invited talks at the OpenACC BoF and the Gordon Bell Prize presentations on Tuesday and the NVIDIA Booth on Wednesday. Ben Wilfong is giving a paper talk at the HPCTESTS workshop.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">October 25, 2025</strong>
</p>
<p style="margin: 0;">Spencer <a href="https://doi.org/10.1016/j.compfluid.2025.106877" target="_blank" rel="noopener noreferrer">published a paper</a> in Computers and Fluids. It presents a scheme that can integrate for the moments of radial bubble dynamics with time-independent spectral accuracy.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">October 21, 2025</strong>
</p>
<p style="margin: 0;">Group Ph.D. student Haocheng Yu leads work that now <a href="https://arxiv.org/abs/2510.16355" target="_blank" rel="noopener noreferrer">appears on arXiv</a>. Collaboration with Profs. L. Sankar and K. Ahuja in AE. The work focuses on high amplitude sound through good but still imperfect ear plugs, and the physical mechanisms that maintain them.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">October 20, 2025</strong>
</p>
<p style="margin: 0;">NCSA has written a piece on the group and our collaborator’s work towards the Gordon Bell Prize and its use of the Grace Hopper architecture. <a href="https://ncsa.illinois.edu/it-is-rocket-science/" target="_blank" rel="noopener noreferrer">Find it here.</a></p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">October 16, 2025</strong>
</p>
<p style="margin: 0;">Spencer presents <i>Symbolic Computational Representations of Combustion Thermochemistry</i> at the <a href="https://www.icnc2025.com/" target="_blank" rel="noopener noreferrer">2025 International Conference on Numerical Combustion</a> in Rome. Collaboration with Prof. Esteban Cisneros-Garibay (UTSI) and CSE Ph.D. student Dimitrios Adam. We achieve <a href="https://doi.org/10.48550/arXiv.2503.24286" target="_blank" rel="noopener noreferrer">near-peak compute performance</a> on diverse accelerators via optimal symbolic traversal of the computational graph.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">October 7, 2025</strong>
</p>
<p style="margin: 0;">Spencer is a select speaker at the <a href="https://www.openhackathons.org/s/oac-summit" target="_blank" rel="noopener noreferrer">OAC Summit</a> today.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">September 30, 2025</strong>
</p>
<p style="margin: 0;">Oak Ridge National Laboratory <a href="https://www.ornl.gov/news/fluid-flow-simulation-frontier-earns-gordon-bell-finalist-selection" target="_blank" rel="noopener noreferrer">publishes news</a> on our Gordon Bell <a href="https://arxiv.org/abs/2505.07392" target="_blank" rel="noopener noreferrer">finalist effort</a> simulating many-rocket exhaust at high Mach, exceeding 1 quadrillion degrees of freedom.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">September 30, 2025</strong>
</p>
<p style="margin: 0;">Postdoc Dr. Tianyi Chu and Ph.D. student Ben Wilfong <a href="https://journals.aps.org/prfluids/abstract/10.1103/r9b3-psg4" target="_blank" rel="noopener noreferrer">lead published work</a> that now appears in Phys. Rev. Fluids. They discover a new hydrodynamic instability at the confluence of Faraday and Rayleigh-Taylor modes, which we demonstrate in numerical experiments and linear Floquet theory. Shout out to collaborators Tim Koehler and Ryan McMullen at Sandia for the collaboration.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">September 29, 2025</strong>
</p>
<p style="margin: 0;">Collaborative work on representing transient and melting heat transfer on quantum devices <a href="https://arxiv.org/abs/2509.21630" target="_blank" rel="noopener noreferrer">appears on arXiv</a>. Ph.D. student contributors include Chris Jawetz (ME) and Jack Song (Physics).</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">September 26, 2025</strong>
</p>
<p style="margin: 0;">Spencer gives the <a href="https://cims.nyu.edu/dynamic/calendars/seminars/computational-mathematics-and-scientific-computing-seminar/4428/" target="_blank" rel="noopener noreferrer">Computational Math and Scientific Computing seminar</a> at the <a href="https://cims.nyu.edu/dynamic/" target="_blank" rel="noopener noreferrer">Courant Institute</a> on regularization of the Navier-Stokes equations and its optimized implementation. Thanks to Florian Schäfer, Georg Stadler, and Benjamin Peherstorfer for the invite!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">September 17, 2025</strong>
</p>
<p style="margin: 0;">Ph.D. students Ben Wilfong and Anand Radhakrishnan, along with group undergrad Tanush Prathi, <a href="https://arxiv.org/abs/2509.13575" target="_blank" rel="noopener noreferrer">lead work</a> accepted to the SC25 workshop <a href="https://olcf.github.io/hpc-system-test-wg/hpctests/hpctests2025.html" target="_blank" rel="noopener noreferrer">HPCTESTS</a>. We use <a href="https://github.com/mflowcode/mfc" target="_blank" rel="noopener noreferrer">MFC</a> to pull out compiler bugs, performance regressions, and driver failures on new flagship systems.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">September 15, 2025</strong>
</p>
<p style="margin: 0;">Spencer is at the <a href="https://hypersonics.tamu.edu/event/ucah-forum-2025/" target="_blank" rel="noopener noreferrer">UCAH Forum</a> in Alexandria, Virginia this week. Say hi if you’re around!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">September 4, 2025</strong>
</p>
<p style="margin: 0;">The group is part of two <a href="https://psaap.llnl.gov/" target="_blank" rel="noopener noreferrer">DOE PSAAP IV</a> centers! Official announcement <a href="https://www.energy.gov/nnsa/articles/nnsa-announces-selection-next-round-predictive-science-academic-alliance-program" target="_blank" rel="noopener noreferrer">here</a>. <br /><br /> One is a ‘large’ predictive science center called the Center for Multiscale Modeling of Multiphase Combustion directed by S. Balachandar (UFlorida). Our group heads the HPC and CFD efforts. <br /><br /> The other is a slightly ‘smaller’ focused investigatory center (FIC), co-directed by Florian Schäfer at the Courant Institute and Brendan Keith at Brown. It is called CIGMO (Center for Information Geometric Mechanics and Optimization), where GT focuses on information-based regularization of computational hydrodynamics (Bryngelson institutional PI, along with Qi Tang (CSE) and Molei Tao (Math)).</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">August 26, 2025</strong>
</p>
<p style="margin: 0;">New Ph.D. student Mark Zhang joins the group (UCLA undergrad.). Undergraduates Tanush Prathi and Mohammed Al-Mahrouqi join us as well, who were part of the team as undergraduate interns over the summer!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">August 6, 2025</strong>
</p>
<p style="margin: 0;">Spencer gives an invited user talk at the annual <a href="https://www.olcf.ornl.gov/olcf-user-meeting/" target="_blank" rel="noopener noreferrer">Oak Ridge Leadership Computing (OLCF) User Meeting</a>. The topic was the combination of information geometric regularization, closely coupled compute optimizations, and networking via tight CPU-GPU interconnects for <a href="https://arxiv.org/abs/2505.07392" target="_blank" rel="noopener noreferrer">record-setting CFD simulations</a>. <br /><br /> Also, Ph.D. student Ben Wilfong and Spencer <b>win the data visualization showcase</b> with <a href="https://player.vimeo.com/video/1107931231?badge=0&autopause=0&player_id=0&app_id=58479%22%20frameborder=%220%22%20allow=%22autoplay;%20fullscreen;%20picture-in-picture;%20clipboard-write;%20encrypted-media;%20web-share%22%20referrerpolicy=%22strict-origin-when-cross-origin" target="_blank" rel="noopener noreferrer">with this animation</a> of our simulation of Mach 10 rocket boosters! <br /><br /> Also, Spencer is elected to the <a href="https://www.olcf.ornl.gov/community/oug/" target="_blank"><i>OLCF User Group Executive Board</i></a>.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">August 5, 2025</strong>
</p>
<p style="margin: 0;">Spencer is working with DOE lab collaborators as a Visiting Professor at <a href="https://www.pnnl.gov/quantum-information-sciences" target="_blank">PNNL</a> on a potential quantum advantage for simulating CFD problems. Ph.D. student Zhixin Song spent the summer collaborating with PNNL on this front as well!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">August 2, 2025</strong>
</p>
<p style="margin: 0;">Our group is funded to continue working with Sandia National Lab and Ryan McMullen to work on multiphase bubbly flows and their hydrodynamic instabilities under extreme conditions.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">July 30, 2025</strong>
</p>
<p style="margin: 0;">Our work on parsimonious IMR (pIMR) <a href="https://doi.org/10.1039/D5SM00397K" target="_blank" rel="noopener noreferrer">has now appeared in <i>Soft Matter!</i></a> It describes and demonstrates a scheme for high-fidelity material inference that reduces the cost of experimentation or simulation by two orders of magnitude. With this, we enable material characterization in tractable time. In collaboration with Michigan, Brown, and UT Austin.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">July 29, 2025</strong>
</p>
<p style="margin: 0;">Florian Schäfer and I are presenting our collaborative work on computational fluid dynamics via IGR in back-to-back talks at the joint SIAM/CAIMS Annual Meeting tomorrow in Montreal, Wed July 30. <a href="https://meetings.siam.org/sess/dsp_programsess.cfm?SESSIONCODE=85319" target="_blank" rel="noopener noreferrer">Link Here.</a> </p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">July 24, 2025</strong>
</p>
<p style="margin: 0;">Our group, in collaboration with Florian Schäfer, <a href="https://www.olcf.ornl.gov/2025/07/23/shock-treatment-for-cfd-simulations/" target="_blank" rel="noopener noreferrer">was featured in Oak Ridge News</a> for record-setting compressible CFD simulations exceeding <b>100 trillion grid points</b>. The simulations target multi-rocket-engine outflow at Mach 15, with geometry similar to the SpaceX Starship superheavy booster.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">July 21, 2025</strong>
</p>
<p style="margin: 0;">Spencer is in Chicago at the <a href="https://usnccm18.usacm.org/" target="_blank" rel="noopener noreferrer">18th U.S. National Congress on Computational Mechanics (USNCCM)</a> giving a talk in the special session on compressible multiphase flows. He’s talking about <i>Numerics for diverse exascale platforms for multi-species flow</i>, joint work group Ph.D. students Ben Wilfong and Anand Radhakrishnan in collaboration with Prof. Florian Schäfer and Stephen Abbott.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">July 11, 2025</strong>
</p>
<p style="margin: 0;"><a href="https://www.cc.gatech.edu/news/pancaked-water-droplets-help-launch-europes-fastest-supercomputer" target="_blank" rel="noopener noreferrer">GT wrote a news piece</a> on our group’s effort and collaboration to help launch <a href="https://www.fz-juelich.de/en/ias/jsc/jupiter" target="_blank" rel="noopener noreferrer">JSC JUPITER</a> via its early access program. We helped benchmark the system in preparation for user access. JUPITER is now Europe’s top supercomputer, in fourth place after the US’s CORAL-II systems (El Cap. and friends).</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">July 8, 2025</strong>
</p>
<p style="margin: 0;"><a href="https://science.osti.gov/-/media/ascr/pdf/facilities/ALCC/ALCC_Factsheets_2025.pdf#page=37" target="_blank" rel="noopener noreferrer">The group receives a DOE ALCC allocation</a> of about 500K node hours (2M GPU hours) on <a href="https://www.olcf.ornl.gov/frontier/" target="_blank" rel="noopener noreferrer">OLCF Frontier</a> for the next year. This is part of a collaboration with Ryan McMullen at Sandia National Labs. The project is called <i>Multiphase Mixing Induced by Interface Breakup</i>.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">July 7, 2025</strong>
</p>
<p style="margin: 0;">We welcome Dan Vickers to the group! He joins us from his previous appointment at MIT Lincoln Lab.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">June 29, 2025</strong>
</p>
<p style="margin: 0;">Our paper on <a href="https://doi.org/10.1016/j.future.2025.107975" target="_blank" rel="noopener noreferrer">quantum-resource frugal</a> algorithms for solving CFD problems was published by Future Generation Computing Systems. Congrats to group undergraduates Melody Lee and Sriharsha Kocherla and Ph.D. student Jack Song and thank you to collaborators Austin Adams and Alex Alexeev!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">June 5, 2025</strong>
</p>
<p style="margin: 0;">Spencer gives a talk at the workshop on <a href="https://sites.google.com/msu.edu/modeling-beyond-moore/home?authuser=0" target="_blank" rel="noopener noreferrer">Algorithms For Multiphysics Models In The Post-Moore’s Law Era</a> on extreme scale compressible flow simulation via information geometric regularization.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">May 29, 2025</strong>
</p>
<p style="margin: 0;">Our group, including postdoc Tianyi Chu and Ph.D. student Ben Wilfong, collaborate with Sandia National Lab to uncover a <a href="https://arxiv.org/abs/2505.23578" target="_blank" rel="noopener noreferrer">new hydrodynamic instability</a> that occurs when Rayleigh-Taylor and Faraday behaviors meaningfully co-exist. The preprint is linked above. Theory and simulations demonstrate our result.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">May 22, 2025</strong>
</p>
<p style="margin: 0;">Spencer gave an invited conference talk at the joint <a href="https://acousticalsociety.org/new-orleans-2025/" target="_blank" rel="noopener noreferrer">Meeting of the Acoustical Society of America and International Congress on Acoustics</a>. He talked about the computation of high-amplitude acoustics with application of therapeutic ultrasound and implication of noise.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">May 20, 2025</strong>
</p>
<p style="margin: 0;">Tianyi Chu’s research on optimal experimental design for soft material cauterization <a href="https://arxiv.org/abs/2505.13283" target="_blank" rel="noopener noreferrer">is now on arXiv</a>. We show that if one uses radial basis functions as local interpolants as an intermediate step in the BOED process, the model selection process is accelerated by about two orders of magnitude.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">May 13, 2025</strong>
</p>
<p style="margin: 0;">Our work on Hadamard-tree tomography via Hadamard Random Forests (HST) <a href="https://arxiv.org/abs/2505.06455" target="_blank" rel="noopener noreferrer">appears on arXiv<a></a>. We show that, assuming real valued output states, one can reconstruct their values in linear time (in qubit count) as opposed to the exponential time of full state tomography. Thanks to our collaborators Bryan Gard (GTRI) and Nico Renaud (Netherlands eScience Center).</a></p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">May 13, 2025</strong>
</p>
<p style="margin: 0;">Collaborative work using information geometric regularization and carefully tuned numerics exceeds 100 trillion grid-points for a rocket-exhaust simulation, <a href="https://arxiv.org/abs/2505.07392" target="_blank" rel="noopener noreferrer">now on arXiv</a>. To our knowledge, this is the largest CFD simulation to-date by a factor of about 10. Thanks to collaborators at NVIDIA, AMD, ORNL, and HPE.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">May 12, 2025</strong>
</p>
<p style="margin: 0;">Spencer is in Toulouse, France at the <a href="https://www.icmf2025.com/" target="_blank" rel="noopener noreferrer">International Conference on Multiphase Flow</a> presenting work on multiphase flow models without discontinuity capturing, joint with Florian Schäfer and Ph.D. student Anand Radhakrishnan.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">April 1, 2025</strong>
</p>
<p style="margin: 0;">Our work on symbolic expressions and transversal for accelerated and differentiable reacting flow simulation is <a href="https://arxiv.org/abs/2503.24286" target="_blank" rel="noopener noreferrer">on arXiv</a>! The method is implemented in an open source package called <a href="https://github.com/pyrometheus">Pyrometheus</a> and has been linked into MFC.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">March 17, 2025</strong>
</p>
<p style="margin: 0;">We are at the APS March Meeting talking about <a href="https://summit.aps.org/events/MAR-B46/5" target="_blank" rel="noopener noreferrer">exascale compressible flow simulation on El Capitan</a> and <a href="https://summit.aps.org/events/MAR-B46/4" target="_blank" rel="noopener noreferrer">GPU-based compact finite difference algorithms</a>!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">March 11, 2025</strong>
</p>
<p style="margin: 0;">MFC 5.0 appears <a href="https://github.com/MFlowCode/MFC/releases/tag/v5.0.0" target="_blank" rel="noopener noreferrer">in code</a> and as a <a href="https://arxiv.org/abs/2503.07953" target="_blank" rel="noopener noreferrer">preprint manuscript on arXiv</a>! MFC 5.0 is a many-physics multiphase compressible flow solver that scales ideally on exascale machines, including LLNL El Capitan and OLCF Frontier. Read more about the latest features at the manuscript link.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">March 5, 2025</strong>
</p>
<p style="margin: 0;">We are at SIAM CSE in Fort Worth, Texas this week! Postdoc Tianyi Chu is presenting his work on Bayesian optimal design for discovery of soft material properties.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">February 11, 2025</strong>
</p>
<p style="margin: 0;">An article on the work of our group and our collaborators on new exascale computers, including OLCF Frontier (mostly) and now LLNL El Capitan, <a href="https://www.olcf.ornl.gov/2025/02/11/the-olcfs-problem-busters/">has been published</a> by the Oak Ridge Leadership Computing Facility.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">February 11, 2025</strong>
</p>
<p style="margin: 0;">Today Spencer gives a Seminar at the Institute of Computational Engineering at the University of Florida! Thanks to <a href="https://mae.ufl.edu/people/name/s-bala-balachandar/">Bala</a> for the invitation!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">February 10, 2025</strong>
</p>
<p style="margin: 0;">Dr. Tianyi Chu’s paper on <a href="https://doi.org/10.1007/s00466-025-02606-4">optimal discovery of soft material properties via targeted deformations</a>, in collaboration with <a href="https://me.engin.umich.edu/people/faculty/jon-estrada/">Jon Estrada</a> of Michigan, was published in Computation Mechanics!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">January 28, 2025</strong>
</p>
<p style="margin: 0;">Spencer is at PNNL, a DOE lab., this week. He is giving a seminar on solving PDEs with quantum devices. Thank you <a href="https://www.pnnl.gov/science/staff/staff_info.asp?staff_num=10102">Xianyu Li</a> and <a href="https://home.uni-leipzig.de/~jmuelmen/index.html">Johannes Muelmenstaedt</a> for the kind invitation!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">January 27, 2025</strong>
</p>
<p style="margin: 0;">Our group was granted dedicated access time (DAT) for 100% of LLNL El Capitan (40K+ GPUs) to benchmark <a href="https://mflowcode.github.io/">MFC</a> and evaluate system readiness. Our OLCF Frontier allocation was also renewed into FY25, and our work with the JSC JUPITER team continues.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">January 8, 2025</strong>
</p>
<p style="margin: 0;">The <a href="https://arxiv.org/abs/2302.04227" target="_blank" rel="noopener noreferrer">pIMR</a> manuscript appears on arXiv! We devise a parsimonious scheme for high-fidelity material inference that cuts the cost of experimentation or simulation by two orders of magnitude. With this, we enable material characterization in tractable time. In collaboration with Michigan, Brown, and UT Austin.</p>
</div>
</div>
<h3 style="color: #c0995e; margin-top: 22px; margin-bottom: 15px;">2024</h3>
<div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">November 28, 2024</strong>
</p>
<p style="margin: 0;">Our paper on quantum solves of the Navier-Stokes equations using current quantum devices was accepted to Computers & Fluids! Congrats to Ph.D. student Jack Song and our collaborators at GTRI! You can view it <a href="https://doi.org/10.1016/j.compfluid.2024.106507" target="_blank" rel="noopener noreferrer">here</a>.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">November 24, 2024</strong>
</p>
<p style="margin: 0;">Our group is at <a href="https://dfd-meeting.aps.org/">APS DFD</a> this week. Say hi and consider checking out some of our talks on multiphase flow, FSI, particle-laden flow, material characterization, and more! (most easily found via <a href="https://meetings.aps.org/Meeting/DFD24/PersonIndex/4610">here</a> and searching <i>Bryngelson</i>.)</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">November 16, 2024</strong>
</p>
<p style="margin: 0;">Spencer is speaking at <a href="https://www.stem-trek.org/2024/03/17/artsc24/">ART@SC24</a> today on HPC for PDE solves and large-scale training.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">November 14, 2024</strong>
</p>
<p style="margin: 0;">Our project ExaMFlow, based on <a href="https://github.com/mflowcode/mfc">MFC</a>, is participating in JUREAP, the <a href="https://www.fz-juelich.de/en/ias/jsc/jupiter">JUPITER</a> Research and Early Access Program. ExaMFlow received the JUREAP certificate for scaling efficiency and node performance, with potential to use a significant part of the JUPITER Booster system and the first European exascale supercomputer, starting January 2025.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">November 13, 2024</strong>
</p>
<p style="margin: 0;">We will be at <a href="https://sc24.supercomputing.org/">SC24</a> here in Atlanta next week. Our work includes cell-resolved simulations of aneurysms and exascale compressible flow methods. More <a href="https://sites.gatech.edu/research/sc-2024/">here</a> and <a href="https://sc24.conference-program.com/presenter/?uid=478593">here</a>.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">October 10, 2024</strong>
</p>
<p style="margin: 0;">The group is awarded ACCESS-CI Accelerate annual allocation of 3M credits (equivalent to 45K A100 GPU hours) for developing sub-grid physics models!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">September 20, 2024</strong>
</p>
<p style="margin: 0;">Our work on a fully quantum lattice algorithm for solving the Navier-Stokes equations was <a href="https://doi.org/10.1116/5.0217675" target="_blank" rel="noopener noreferrer">recently published in AVS Quantum Science</a>. Congrats to Sriharsha and Jack! We appreciate the collaboration with Bryan Gard (GTRI), Eugene Dumitrescu (ORNL), and Alex Alexeev (GT ME).</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">September 19, 2024</strong>
</p>
<p style="margin: 0;">New paper on the use of the adjoint to compute averaged closure operators in turbulent flow <a href="https://link.aps.org/doi/10.1103/PhysRevFluids.9.094606" target="_blank" rel="noopener noreferrer">was published in Physical Review Fluids</a>! In collaboration with Jessie Liu and Ali Mani (Stanford), Florian Schäfer (GT), and Tamer Zaki (Hopkins).</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">September 18, 2024</strong>
</p>
<p style="margin: 0;">Our Supercomputing (SC) paper from the WACCPD workshop was accepted. It is now <a href="https://arxiv.org/abs/2409.10729" target="_blank" rel="noopener noreferrer">on arXiv</a>. We show how to achieve performant compute kernels on AMD GPU devices via OpenACC offloading, and use them to scale to all of OLCF Frontier. Congrats to Ben, Anand, and Henry! and thanks to our collaborators, Steve Abbot at HPE/Cray and Reuben Budiardja at Oak Ridge!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">September 17, 2024</strong>
</p>
<p style="margin: 0;">Our preprint, <a href="https://arxiv.org/abs/2409.09217" target="_blank" rel="noopener noreferrer">Rational-WENO</a>, appears on arXiv. We construct a scheme that achieves near 5th order accuracy from a three-point stencil. In collaboration with Google Research and TU Munich.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">September 13, 2024</strong>
</p>
<p style="margin: 0;">The group is awarded an <a href="https://allocations.access-ci.org/allocations-policy#maximize-access-projects" target="_blank" rel="noopener noreferrer">ACCESS-CI Maximize</a> allocation, the largest offered by the NSF. It amounts to 225K GPU hours and focuses on algorithms for direct simulation of compressible and multiphase flow.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">September 4, 2024</strong>
</p>
<p style="margin: 0;">Tianyi’s manuscript on inferring rheological properties via Bayesian optimal design and bubble dynamics <a href="https://arxiv.org/abs/2409.00011" target="_blank" rel="noopener noreferrer">is now on arXiv</a>!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">September 1, 2024</strong>
</p>
<p style="margin: 0;">We start a collaborative effort with the <a href="https://bhamla.gatech.edu/" target="_blank" rel="noopener noreferrer">Bhamla Lab</a> on bio-inspired propulsion! Acknowledgement to DARPA for the funding.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">August 31, 2024</strong>
</p>
<p style="margin: 0;">Ph.D. student Ben Wilfong is a recipient of the 2024-25 CRNCH Fellowship for application optimization on superchip architectures. Congrats!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">August 28, 2024</strong>
</p>
<p style="margin: 0;">Our work with Sandia National Labs received a funding renewal. We are working on two-phase hydrodynamic instability and direct simulation.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">August 26, 2024</strong>
</p>
<p style="margin: 0;">Presenting our work on sub-grid cavitation models and their computation on exascale machines at <a href="https://www.ictam2024.org/" target="_blank" rel="noopener noreferrer">ICTAM2024</a> in Korea this week!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">August 21, 2024</strong>
</p>
<p style="margin: 0;">We achieve the first performance result of <a href="https://mflowcode.github.io" target="_blank" rel="noopener noreferrer">MFC</a> on the <a href="https://www.amd.com/en/products/accelerators/instinct/mi300/mi300a.html" target="_blank" rel="noopener noreferrer">AMD MI300A</a> superchip that will populate <a href="https://asc.llnl.gov/exascale/el-capitan" target="_blank" rel="noopener noreferrer">LLNL El Capitan</a>. We see a 2-times speedup over the AMD MI250X in OLCF Frontier.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">August 16, 2024</strong>
</p>
<p style="margin: 0;">Dimiti Adam joins the group as a Ph.D. student. Welcome!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">July 29, 2024</strong>
</p>
<p style="margin: 0;">We will be at AIAA Aviation this week! On Thursday, Ben and Haocheng are presenting their papers on <a href="https://arc.aiaa.org/doi/10.2514/6.2024-4480" target="_blank" rel="noopener noreferrer">two-phase interfacial instabilities</a> and <a href="https://arc.aiaa.org/doi/10.2514/6.2024-4391" target="_blank" rel="noopener noreferrer">sound generation through mildly misfit earplugs</a>.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">July 10, 2024</strong>
</p>
<p style="margin: 0;">Spencer gives a seminar at the US Naval Research Lab on exascale simulation of multiphase, shock-laden, and reacting flows.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">July 1, 2024</strong>
</p>
<p style="margin: 0;"><a href="https://mflowcode.github.io" target="_blank" rel="noopener noreferrer">MFC</a> accepted into <a href="https://www.fz-juelich.de/en/ias/jsc/jupiter" target="_blank" rel="noopener noreferrer">JUREAP</a> Phase 1, the JUIPTER Exascale Early Access Program at JSC.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">June 26, 2024</strong>
</p>
<p style="margin: 0;">Presenting our work on exascale multiphase flow simulation at <a href="https://sites.psu.edu/icnmmf5/" target="_blank" rel="noopener noreferrer">ICNMMF5</a> in Reykjavik, Iceland!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">June 4, 2024</strong>
</p>
<p style="margin: 0;">Jack’s manuscript on solving the Navier-Stokes equations on actual (IBM) quantum devices <a href="https://arxiv.org/abs/2406.00280" target="_blank" rel="noopener noreferrer">is now on arXiv</a>!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">June 3, 2024</strong>
</p>
<p style="margin: 0;">Presenting our work on stochastic modeling of cavitation inception at CAV2024 in Crete, Greece; say hello if you catch me!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">May 21, 2024</strong>
</p>
<p style="margin: 0;">Work starts on our new contract with LLNL on regularization of kinetic-based PDEs. Looking forward to the collaboration!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">May 12, 2024</strong>
</p>
<p style="margin: 0;">Our paper, <a href="https://doi.org/10.1016/j.cpc.2024.109238" target="_blank" rel="noopener noreferrer">Method for portable, scalable, and performant GPU-accelerated simulation of multiphase compressible flow</a>, was accepted to Computer Physics Communications. Congrats to Anand, Henry, and Ben!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">May 9, 2024</strong>
</p>
<p style="margin: 0;">Congratulations to Jesus and Ben, who passed their Ph.D. qualifying exams!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">May 6, 2024</strong>
</p>
<p style="margin: 0;">Subrahmanyam, resident sickle cell dynamics expert, graduates with his BSCS and heads to a snazzy industry gig. Congratulations, Sub!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">May 4, 2024</strong>
</p>
<p style="margin: 0;">Max starts his NVIDIA summer internship. Congrats, Max!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">April 8, 2024</strong>
</p>
<p style="margin: 0;">Congraulations to Suzan on winning the PURA Salary Award for research this summer, and Anshuman on our latest publication: <a href="https://openreview.net/pdf?id=5psgQEHn6t" target="_blank" rel="noopener noreferrer">Neural networks can be FLOP-efficient integrators of 1D oscillatory integrands</a>.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">March 4, 2024</strong>
</p>
<p style="margin: 0;">We are at the <a href="https://march.aps.org/" target="_blank" rel="noopener noreferrer">2024 APS March Meeting</a>! We have talks on simulating fluid flow <a href="https://march.aps.org/sessions/K49/9" target="_blank" rel="noopener noreferrer">on quantum devices</a> as well as <a href="https://march.aps.org/sessions/T58/4" target="_blank" rel="noopener noreferrer">exascale machines like Frontier</a>.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">February 23, 2024</strong>
</p>
<p style="margin: 0;">Dr. Tianyi Chu joins the group as a postdoc. Welcome, Tianyi!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">February 19, 2024</strong>
</p>
<p style="margin: 0;">Spencer gains courtesy appointment in Georgia Tech’s <a href="https://www.me.gatech.edu" target="_blank" rel="noopener noreferrer">Woodruff School of Mechanical Engineering</a>.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">February 13, 2024</strong>
</p>
<p style="margin: 0;"><a href="https://mflowcode.github.io" target="_blank" rel="noopener noreferrer">MFC</a> has been accepted to the second round of the Oak Ridge Frontier Hackathon! MFC scales to 100% of the world’s largest computer, but extracting maximum performance still needs attention. We look forward to working on it!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">February 9, 2024</strong>
</p>
<p style="margin: 0;">Spencer gives an invited talk at the <a href="https://crnch.gatech.edu/crnch-summit-2024/" target="_blank" rel="noopener noreferrer">2024 CRNCH Summit</a> on CFD on an existing IBM quantum device. Great event!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">February 1, 2024</strong>
</p>
<p style="margin: 0;">Spencer gave a (virtual) talk for NSWC Carderock on solving flow problems with current quantum devices. Thanks for the invitation!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">January 28, 2024</strong>
</p>
<p style="margin: 0;">ONR funded a 3-year grant to our group, collaborative with Prof. Suresh Menon (AE) on solid fuel propellants and CFD. Looking forward to it!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">January 26, 2024</strong>
</p>
<p style="margin: 0;">ONR funded a MURI on solid fuel ramjets and high-enthalpy flows to Georgia Tech with co-PIs Suresh and Spencer, among others. PI Greg Young (VT). Looking forward to the collaboration!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">January 23, 2024</strong>
</p>
<p style="margin: 0;">Sriharsha’s work on quantum algorithms is now posted <a href="https://arxiv.org/abs/2401.12248" target="_blank" rel="noopener noreferrer">on arXiv</a>. He develops algorithm improvements and exposed parallelization for fluid flow problems on quantum devices with reduced gate counts.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">January 19, 2024</strong>
</p>
<p style="margin: 0;">The group welcomes Lian Xiang, who joins as an undergraduate researcher from Physics! She is working on near-term quantum algorithms for fluid flow problems.</p>
</div>
</div>
<h3 style="color: #c0995e; margin-top: 22px; margin-bottom: 15px;">2023</h3>
<div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">December 22, 2023</strong>
</p>
<p style="margin: 0;">Our paper on <a href="https://doi.org/10.1016/j.jcp.2023.112721" target="_blank" rel="noopener noreferrer">Fast Macroscopic Forcing</a> was published in the Journal of Computational Physics. Joint work with <a href="https://f-t-s.github.io/" target="_blank" rel="noopener noreferrer">Florian Schäfer</a>, Jessie Liu, and <a href="https://manigroup.stanford.edu/" target="_blank" rel="noopener noreferrer">Ali Mani</a>.</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">December 14, 2023</strong>
</p>
<p style="margin: 0;">Our paper on <a href="https://doi.org/10.1016/j.cpc.2023.109052" target="_blank" rel="noopener noreferrer">RoseNNa</a> was published by Computer Physics Communications. Congrats, Ajay!</p>
</div>
<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">December 7, 2023</strong>
</p>
<p style="margin: 0;">Spencer gives a virtual talk for Google Research, Applied Science. Thanks for the invite, <a href="https://research.google/people/qingwang/" target="_blank" rel="noopener noreferrer">Qing Wang</a>!</p>
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<strong style="color: #c0995e;">December 5, 2023</strong>
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<p style="margin: 0;">Congratulations to group undergraduate researcher Subramanyam on winning a PURA Salary Award for Spring semester research!</p>
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<strong style="color: #c0995e;">November 19, 2023</strong>
</p>
<p style="margin: 0;">Anand, Jesus, Spencer, and Sriharsha are at <a href="https://www.2023apsdfd.org/" target="_blank" rel="noopener noreferrer">APS DFD</a> in Washington, DC. Our talks are <a href="https://meetings.aps.org/Meeting/DFD23/PersonIndex/4447" target="_blank" rel="noopener noreferrer">here</a>. Say hi if you see us!</p>
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<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">November 6, 2023</strong>
</p>
<p style="margin: 0;">Spencer gave a talk on stochastic sub-grid models at the <a href="https://insieme.stanford.edu/multiphaseflows" target="_blank" rel="noopener noreferrer">Workshop on Compressible Multiphase Flows</a> hosted by Stanford University. Thanks to the organizers, <a href="https://profiles.stanford.edu/ali-mani" target="_blank" rel="noopener noreferrer">Ali</a> and <a href="https://engineering.buffalo.edu/mechanical-aerospace/people/faculty/d-salac.html" target="_blank" rel="noopener noreferrer">David</a>, for the invite!</p>
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<strong style="color: #c0995e;">October 16, 2023</strong>
</p>
<p style="margin: 0;">Manuscript on non-local closure operator recovery submitted and <a href="https://arxiv.org/abs/2310.08763" target="_blank" rel="noopener noreferrer">on the arXiv</a>. Joint work with Jessie Liu and Ali Mani (Stanford), Tamer Zaki (Johns Hopkins), and Florian Schäfer(GT).</p>
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<strong style="color: #c0995e;">October 3, 2023</strong>
</p>
<p style="margin: 0;">The group was accepted to the <a href="https://www.olcf.ornl.gov/calendar/frontier-hackathon-october-2023/" target="_blank" rel="noopener noreferrer">Frontier Hackathon</a> as we prepare to run MFC at exascale on OLCF Frontier.</p>
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<strong style="color: #c0995e;">September 25, 2023</strong>
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<p style="margin: 0;">Spencer, <a href="https://f-t-s.github.io/" target="_blank" rel="noopener noreferrer">Florian</a>, and Stanford colleague <a href="https://manigroup.stanford.edu/" target="_blank" rel="noopener noreferrer">Ali Mani</a> organized a minisymposium at the latest <a href="https://www.utep.edu/engineering/mmlde/" target="_blank" rel="noopener noreferrer">IACM MMLDE conference</a> in El Paso, Texas. Collaborator Jessie Liu (Stanford) presented our ongoing work on a targeted nonlocal closure recovery scheme via adjoint macroscopic forcing.</p>
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<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">September 17, 2023</strong>
</p>
<p style="margin: 0;">Jack and Spencer are at <a href="https://qce.quantum.ieee.org/2023/" target="_blank" rel="noopener noreferrer">IEEE International Conference on Quantum Computing and Engineering</a>! Jack is <a href="https://qce.quantum.ieee.org/2023/tutorials-program/#overview-tut27" target="_blank" rel="noopener noreferrer">giving a tutorial</a> on solving PDEs using quantum computers (material is open source, <a href="https://github.com/comp-physics/qce23-qpde-tutorial" target="_blank" rel="noopener noreferrer">here</a>).</p>
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<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">September 14, 2023</strong>
</p>
<p style="margin: 0;">Spencer is giving a seminar at the University of Illinois at Urbana-Champaign on Friday September 14, do <a href="https://calendars.illinois.edu/detail/2791?eventId=33462362" target="_blank" rel="noopener noreferrer">join us</a> or say hi if you are around!</p>
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<div style="margin-bottom: 22px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1);">
<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">September 6, 2023</strong>
</p>
<p style="margin: 0;">Spencer <a href="http://www2.me.gatech.edu/www/calendar/view_seminar.asp?speaker=Spencer%20Bryngelson&startDate=9/6/2023&startTime=1:00%20PM" target="_blank" rel="noopener noreferrer">gave a seminar</a> for the Georgia Tech Woodruff School of Mechanical Engineering.</p>
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<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">July 31, 2023</strong>
</p>
<p style="margin: 0;">Ajay’s neural net. inference library, <a href="https://github.com/comp-physics/rosenna" target="_blank" rel="noopener noreferrer">roseNNa</a>, is now also described <a href="https://arxiv.org/pdf/2307.16322.pdf" target="_blank" rel="noopener noreferrer">in this manuscript</a>!</p>
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<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">July 6, 2023</strong>
</p>
<p style="margin: 0;">Congraulations to group Ph.D. student Haocheng Yu, who passed his qualifying exam today!</p>
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<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">July 5, 2023</strong>
</p>
<p style="margin: 0;">Congratulations to the <a href="https://www.vip.gatech.edu/teams/vwp" target="_blank" rel="noopener noreferrer">VIP Student Cluster Competition team</a> for being accepted to the IndySCC competition!</p>
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<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">June 25, 2023</strong>
</p>
<p style="margin: 0;">Our preprint on the fast macroscopic forcing method is <a href="https://arxiv.org/abs/2306.13625" target="_blank" rel="noopener noreferrer">on arXiv!</a> A collaborative effort with <a href="https://f-t-s.github.io/" target="_blank" rel="noopener noreferrer">Florian Schäfer</a> (Gatech) and Jessie Liu and <a href="https://manigroup.stanford.edu/" target="_blank" rel="noopener noreferrer">Ali Mani</a> (Stanford).</p>
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<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">June 17, 2023</strong>
</p>
<p style="margin: 0;">Congratulations to research scientist Dr. Bryan Gard on winning GTRI IRAD of the Year award! For work with the group on quantum algorithms for PDEs and CFD.</p>
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<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">June 13, 2023</strong>
</p>
<p style="margin: 0;">Paper on electrodynamic drops <a href="https://doi.org/10.1016/j.jcp.2023.112248" target="_blank" rel="noopener noreferrer">published in JCP</a>.</p>
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<p style="margin-bottom: 8px;">
<strong style="color: #c0995e;">June 6, 2023</strong>
</p>
<p style="margin: 0;">Spencer gave the OpenACC Webinar today. Will update this post with the recording.</p>
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