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valid - Code Validation Demonstrate convergence under...

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Code Validation Demonstrate convergence under spatial mesh refinement Δ x 0 (in 3D, Δ x , Δ y , Δ z 0) Demonstrate convergence as Δ t 0 Compare with science &/or experiment Compare with analytical or approximate solutions (in limiting cases): for example, approximately linear regime of nonlinear problem or Rie- mann problem for 1D gas dynamics Vary physical parameters (for example, in Burgers’ equation, vary vis- cosity for shock profile solution) Compare with results using other numerical methods & other codes Vary computational parameters (for example, in compressible fluid flow, vary artificial viscosity & CFL factor) Check symmetry & conservation Recommended Methods for Initial Value Problems
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