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Development of the US3D Code for Advanced Compressible and Reacting Flow SimulationsAerothermodynamics and hypersonic flows involve complex multi-disciplinary physics, including finite-rate gas-phase kinetics, finite-rate internal energy relaxation, gas-surface interactions with finite-rate oxidation and sublimation, transition to turbulence, large-scale unsteadiness, shock-boundary layer interactions, fluid-structure interactions, and thermal protection system ablation and thermal response. Many of the flows have a large range of length and time scales, requiring large computational grids, implicit time integration, and large solution run times. The University of Minnesota NASA US3D code was designed for the simulation of these complex, highly-coupled flows. It has many of the features of the well-established DPLR code, but uses unstructured grids and has many advanced numerical capabilities and physical models for multi-physics problems. The main capabilities of the code are described, the physical modeling approaches are discussed, the different types of numerical flux functions and time integration approaches are outlined, and the parallelization strategy is overviewed. Comparisons between US3D and the NASA DPLR code are presented, and several advanced simulations are presented to illustrate some of novel features of the code.
Document ID
20180002133
Acquisition Source
Ames Research Center
Document Type
Conference Paper
Authors
Candler, Graham V. (Minnesota Univ. Minneapolis, MN, United States)
Johnson, Heath B. (Minnesota Univ. Minneapolis, MN, United States)
Nompelis, Ioannis (Minnesota Univ. Minneapolis, MN, United States)
Subbareddy, Pramod K. (Minnesota Univ. Minneapolis, MN, United States)
Drayna, Travis W. (Minnesota Univ. Minneapolis, MN, United States)
Gidzak, Vladimyr (Minnesota Univ. Minneapolis, MN, United States)
Barnhardt, Michael D. (ERC, Inc. Moffett Field, CA, United States)
Date Acquired
March 28, 2018
Publication Date
January 5, 2015
Subject Category
Aeronautics (General)
Report/Patent Number
ARC-E-DAA-TN19548
Meeting Information
Meeting: AIAA SciTech Meeting
Location: Kissimmee, FL
Country: United States
Start Date: January 5, 2015
End Date: January 9, 2015
Sponsors: American Inst. of Aeronautics and Astronautics
Funding Number(s)
CONTRACT_GRANT: FA9550-10-1-0563
CONTRACT_GRANT: NNA10DE12C
CONTRACT_GRANT: FA9550-12-1-0064
Distribution Limits
Public
Copyright
Public Use Permitted.
Keywords
CFD
Aerothermodynamics
Software development

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