Implicit scheme implementation
Iíve successfully implemented a point implicit scheme into my density based CFD solver (For hypersonic flow regimes).
Everything worked fine on a planar geometry. However, when I started using the Axisymmetric geometries, some fluctuation appeared in the heat flux curve near the stagnation zone.
The solver has originally been written in Cartesian coordinate, and I couldnít find any paper or doc modeling axisymmetry in Cartesian coordinate. So Iíve adapted one from cylindrical coordinate to Cartesian ones.
I probably made a mistake, and at this stage, Iím nearly abandoning this.
Iíd really appreciate if some one can send me some doc or a tip that can help here.
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