Sunday, September 24, 2023
Session 1: Short Course
Chair: M. A. Gallis
| 1:00-5:00 | Sparta: A Parallel, Flexible, Open-Source DSMC Code S. J. Plimpton, S.G. Moore, M.A. Gallis |
| 5:30-8:30 7:30 | Welcome Reception Social gathering for RGD NextGen |
Monday, September 25, 2023
Session 2: Keynote Lecture
Chair: M. A. Gallis, A. L. Garcia
| 8:00-8:20 | Welcome J. S. Lash |
| 8:20-9:20 | Graeme A. Bird Keynote Lecture: QuiPS: How a Discrete Velocity Technique Morphed into Monte Carlo Simulation P. Varghese |
| 9:20-9:40 | Break |
Monday, September 25, 2023
Session 3: Non-Continuum Flows I
Chair: T. E. Schwartzentruber
| 9:40-10:00 | Predictive Analysis of Atmosphere-Breathing Electric Propulsion using SPARTA Framework G. Moon, E. Jun |
| 10:00-10:20 | Quantum Mechanically Derived Monte-Carlo Simulations of Hypervelocity Experiments M. Grover, P. Valentini, N. Bisek |
| 10:20-10:40 | Simulation of Rarefied Hypersonic Gas Flow: Comparison of RNS and DSMC Methods A. Fedoseyev, J. Ouazzani |
| 10:40-11:00 | Comparison between DSMC and CFD for Hypersonic Planetary Entry Simulations A. Borner, D. Prabhu |
| 11:00-11:20 | A Robust Numerical Scheme for Fluctuating Hydrodynamics of Multispecies Gas Mixtures I. Srivastava, D. Ladiges, A. Nonaka, A. Garcia, J. Bell |
| 11:20-11:40 | Exploitation of the DSMC Method in Modelling the Particle Exhaust of Nuclear Fusion Devices S. Varoutis, C. Tantos, C. Day, C. Dhard, D. Naujoks |
| 11:40-1:00 | Lunch |
Monday, September 25, 2023
Session 4: Non-Continuum Flows II
Chair: E. Jun
| 1:00-1:20 | DSMC Simulations of The Shuttle Plume Impingement Flight EXperiment (SPIFEX) B. Stewart, P. Clarke, and F. Lumpkin III |
| 1:20-1:40 | Design and Simulation of a High-altitude Waverider . A. Klothakis, I. Nikolos |
| 1:40 -2:00 | DSMC Simulation of Impinging Thruster Plumes for Space Debris Detumbling A. Tiwari, S. Nair, D. Goldstein |
| 2:00-2:20 | An In-depth Numerical Analysis of Mixture Gas Flows in Channels of Arbitrary Lengths and Various Pressure Drops Via Linear and Non-linear Kinetic Theory C. Tantos, T. Teichmann, I. Sarris, C. Day |
| 2:20-2:40 | Dynamic Population Balance in SPARTA Using Stochastic Weighted Particle Methods A. Hong, M. Gallis |
| 2:40-3:00 | Break |
Monday, September 25, 2023
Session 5: Hybrids
Chair: S.G.Krishnan
| 3:00-3:20 | Hybridization of Staggered Compressible FHD and DSMC D. Ladiges, I. Srivastava, A. Garcia, J. Bell |
| 3:20-3:40 | hybridDCFoam: A Coupled DSMC/NSF Solver for Steady-State Gas Flows in OpenFOAM N. Vasileiadis, C. White |
| 3:40-4:00 | Hybrid CFD-DSMC Methodology for Optimizing Aerosol Injection Systems Used for Single-Particle Diffractive Imaging S. Peravali, A. Samanta, M. Breuer, P. Neumann, M. Amin, J. Küpper |
| 4:00-4:20 | Verification of an Open-Source Discontinuous Galerkin Fast Spectral (DGFS) Solver for the Full Boltzmann Equation using DSMC N. Adhikari, B. Morton, E. Vorozhbit, J. Hu, A. Alexeenko |
| 4:20-4:40 | Particle-Based Simulation of Polyatomic Gas Mixture Flows with the Ellipsoidal Statistical Bhatnagar-Gross-Krook Method F. Hild, M. Pfeiffer |
| 4:40-5:00 | Investigation of DSMC-inspired collisions for particle-laden flows M. Kroells, T. Schwartzentruber |
| 5:00-6:00 | SPARTA Users Meeting S. Plimpton |
Tuesday, September 26, 2023
Session 6: Algorithms
Chair: B. M. Stewart
| 8:00-8:40 | Invited: How We Can Make DSMC More Computationally Scalable, While Preserving Its Accuracy M. Borg |
| 8:40-9:00 | A Fokker-Planck-Based Kinetic Model for Diatomic Rarefied Gas Flows S. Kim and E. Jun |
| 9:00-9:20 | Roulette Merge with Variable Weights W. McDoniel, C. Moore |
| 9:20-9:40 | Adaptive Discretization of Particles for Multiscale Non-Equilibrium Flows S. Lauterbach, S. Fasoulas, M. Pfeiffer |
| 9:40-10:00 | SPARTA Kokkos: Towards Exascale S. Moore |
| 10:00-10:20 | Break |
Tuesday, September 26, 2023
Session 7: Gas-Surface Interactions I
Chair: A. Borner
| 10:20-10:40 | Simulation of Etch Pit Formation in DSMC through Active Sites in Carbon Fiber Micro-structures K. Gopalan, S. Schmitt, A. Borner |
| 10:40-11:00 | DSMC Simulations to Predict Permeability and Oxidation of Thermal Protection Systems Materials V. Ramu, S. Poovathingal |
| 11:00-11:20 | Boundary Layer Flow over Resolved Microstructure at Mars Sample Return Flight Conditions I. Ramjatan, M. Kroells, and T. Schwartzentruber |
| 11:20-11:40 | Fluid-Structure Interactions of Hypersonic Flow and Atmospheric Ice E. Huff, H. Chen, S. Poovathingal |
| 11:40-1:00 | Lunch |
Tuesday, September 26, 2023
Session 9: Chemistry
Chair: S. Poovathingal
| 1:00-1:20 | Direct Molecular Simulation of Chemically Reacting 5-species Air Mixture across a Normal Shock E. Torres, T. Gross, T. Schwartzentruber |
| 1:20-1:40 | Adding Direct Molecular Simulation (DMS) Capabilities to The DSMC SPARTA Code: Overview of Recent Progress and Future Directions P. Valentini, M. Grover, N. Bisek |
| 1:40-2:00 | Electronic Excitation in DSMC Code SPARTA Z. Eckert, M. Gallis |
| 2:00-2:20 | Modeling of Chemical Reactions in Rarefied Gas Flows by the Kinetic Fokker-Planck Method L. Basov, G. Oblapenko, M. Grabe |
| 2:20-2:40 | Stochastic simulations of reacting flows under non-equilibrium conditions in the continuum regime S. Trivedi, J. Harvey, J. Salinas, J. Chen |
| 2:40-3:00 | Break |
Tuesday, September 26, 2023
Session 10: Planetary Flows
Chair: J. Rabinovitch
| 3:00-3:20 | Fitting High-resolution DSMC Simulations of Water Vapor Cryovolcanic Plumes to Spacecraft Observations in a Timely Manner: How to Proceed? A. Mahieux, D. Goldstein, P. Varghese, L. Trafton |
| 3:20-3:40 | DSMC Applications in JPL Spacecraft Propulsion and Materials Engineering W. Hoey, C. Soares, J. Anderson, A. Conte |
| 3:40-4:00 | DSMC for Unsteady, Multi-Physics Problems in Planetary Science P. Prem |
| 4:00-4:20 | Simulating the Subsurface Conduits of Enceladus M. Zaharias, A. Mahieux, D. Goldstein, P. Varghese, L. Trafton |
| 4:20-4:40 | DSMC Modeling of Tvashtar Eruption: Effects of Radiation Confinement on Plume Structure A. O. Adeloye, D. Goldstein, L. Trafton, P. Varghese, A. Mahieux |
| 4:40-5:00 | Modeling of Plume-Solid Interaction and Estimation of Plume Impingement Forces J. Meza-Galvan, A.M. Karis, E. Vorozhbit, P. Kazarin, S. Pugia, K. F. Gasaway, A. Cofer, A. Alexeenko |
| 5:00-6:00 | RGD NextGen Connect Meeting |
| 6:30-9:00 | Conference Banquet |
Wednesday, September 27, 2023
Session 11: Plasmas and Instabilities
Chair: D. Goldstein
| 8:00-8:40 | Invited: A Tale of Two non-Maxwellians D. Levin |
| 8:40-9:00 | A Computational Model Combining The Direct Simulation Monte Carlo Method with a Collision Radiation Plasma Model for Simulations of Laser-induced Non-equilibrium Plasma Plumes A. Volkov, M. Stokes, O. Ranjbar, Z. Lin, S. Khairallah A. Rubenchik |
| 9:00-9:20 | Effect of Plasma Shielding in Plumes Induced by Irradiation of Metal Targets with Bursts of Laser Pulses: Simulations Based on a DSMC Method Modified for Plasma Flows M. Stokes, A. Volkov, S. Khairallah, A. Rubenchik, Z. Lin |
| 9:20-9:40 | Modelling Gap Closure Within Pulsed Power Machines G. Kirk, G. Oblapenko, D. Goldstein, P. Varghese, D. Sirajuddin, C. Moore |
| 9:40-10:00 | Molecular-level Simulations of Vortex Shedding Onset Behind a Circular Cylinder R. McMullen, M.A. Gallis |
| 10:00-10:20 | Shockwave Laminar Boundary Layer Interactions for a Flow over Compression Ramp I. Karpuzcu, D. Levin, V. Theofilis |
| 10:20-10:40 | Break |
Wednesday, September 27, 2023
Session 12: Gas-Surface Interactions II
Chair: A. Volkov
| 10:40-11:00 | DSMC simulations of Turbulent Flow over a Permeable Substrate M. A. Gallis, R. M. McMullen, M. Krygier, J. R. Torczynski |
| 11:00-11:20 | Modeling Low-Density Parachute Broadcloth Permeability for Mars Supersonic Inflations S. Ghasimi, L. Chacon-Olivar, S. Poovathingal, J. Rabinovitch |
| 11:20-11:40 | DSMC Simulations of Taylor-Couette Flow T. Koehler, J. Torczynski, M. Gallis |
| 11:40-1:00 | Lunch |