Hi, I am working on 3D Navier Stokes equations. I use Newton’s method. We met an error when executing ChangeNumbering from Freefem to PETSc: Assertion fail : (ptIn->N() == ptA->_A->getDof()) line :2946, in file PETSc-code.hpp I am not sure what happened here. Could you help me out? I attach the …

PETSc error of ChangeNumbering

prj May 29, 2023, 4:05pm 2

You need to call buildDmesh() before you define your local fespace named SpaceVector.

Transfer function in

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