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Code-to-Code Comparison, and Material Response Modeling of Stardust and MSL using PATO and FIAT
NTRS Full-Text: Click to View  [PDF Size: 1.8 MB]
Author and Affiliation:
Omidy, Ali D.(Kentucky Univ., Lexington, KY, United States);
Panerai, Francesco(Kentucky Univ., Lexington, KY, United States);
Martin, Alexandre(Kentucky Univ., Lexington, KY, United States);
Lachaud, Jean R.(California Univ., Santa Cruz, CA, United States);
Cozmuta, Ioana(Science and Technology Corp., Moffett Field, CA, United States);
Mansour, Nagi N.(NASA Ames Research Center, Moffett Field, CA, United States)
Abstract: This report provides a code-to-code comparison between PATO, a recently developed high fidelity material response code, and FIAT, NASA's legacy code for ablation response modeling. The goal is to demonstrates that FIAT and PATO generate the same results when using the same models. Test cases of increasing complexity are used, from both arc-jet testing and flight experiment. When using the exact same physical models, material properties and boundary conditions, the two codes give results that are within 2% of errors. The minor discrepancy is attributed to the inclusion of the gas phase heat capacity (cp) in the energy equation in PATO, and not in FIAT.
Publication Date: Jun 01, 2015
Document ID:
20160006963
(Acquired Jun 03, 2016)
Subject Category: FLUID MECHANICS AND THERMODYNAMICS
Report/Patent Number: NASA/CR-2015-218960, ARC-E-DAA-TN27949
Document Type: Technical Report
Contract/Grant/Task Num: NNA10DF26C; NNX10AL96H; NNX15AD73G; NNX12AG47A; NNX14AC93A; NNX14AI97G
Financial Sponsor: NASA Ames Research Center; Moffett Field, CA United States
Description: 36p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright; Distribution under U.S. Government purpose rights; under NASA contract NNA10DF26C, NNX10AL96H and grants NNX15AD73G and NNX14AC93A
NASA Terms: ABLATIVE MATERIALS; THERMAL PROTECTION; FLIGHT TESTS; HEAT SHIELDING; SPECIFIC HEAT; VAPOR PHASES; STARDUST MISSION
Other Descriptors: ABLATIVE MATERIALS; HEAT SHIELDING; AEROTHERMOCHEMISTRY
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