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Appropriate Preconditioner

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Old   June 28, 2004, 21:18
Default Appropriate Preconditioner
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Joe cool
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Hi, I am trying to solve a simple 2D Poisson equation of a known function with Neumann boundary condition. I am using a point-by-point meshfree solver, and am testing out on the preconditioned BiCGSTAB method.

I have currently tested out using the Jacobi precond, but the results are not good. Anyone has any recommendation of a good precond? Preferrably one without the need to obtain any transpose matrix or something, as my solver will eventually lead to larger scale, parallel, point-by-point solving. Thanks!
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