Parsa Ghofrani

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Questions related from Parsa Ghofrani

Numerical instability in semi-implicit finite difference approximation of incompressible Navier-Stokes equations?

I'm using a semi-implicit staggered grid(MAC H. Harlow and J. Eddie.) finite difference approximation of incompressible Navier-stokes equations . The convection and diffusion terms are...

17 June 2020 555 0 View

How should I reorder a linear system of equations such that no diagonal element is 0 ?

Hello, I am using ILU factorization as the preconditioner of a Bi-CGSTAB solver for solving a linear system of equations Ax=b. The preconditioner matrix M=(LU)^-1 is calculated by backward...

26 August 2019 319 4 View