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- The development and verification of the Charring Ablating Thermal Protection Implicit System Solver is presented. This work concentrates on the derivation and verification of the stationary grid terms in the equations that govern three-dimensional heat and mass transfer for charring thermal protection systems including pyrolysis gas flow through the porous char layer. The governing equations are discretized according to the Galerkin finite element method with first and second order implicit time integrators. The governing equations are fully coupled and are solved in parallel via Newton's method, while the fully implicit linear system is solved with the Generalized Minimal Residual method. Verification results from exact solutions and the Method of Manufactured Solutions are presented to show spatial and temporal orders of accuracy as well as nonlinear convergence rates.
- NASA Technical Reports Server (NTRS) Collection.
- Document ID: 20110000471.
49th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition; 4-7 Jan. 2011; Orlando, FL; United States.
- No Copyright.
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