PETSc Error When Increased mesh size "Rank deficient least squares fit" #285
Description
Error occurs when increasing mesh size in input file attached below which used the following cad model of the peregrine motor combustion chamber.
The error is copy pasted below:
[0]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------
[0]PETSC ERROR: Rank deficient least squares fit, indicates an isolated cell with two colinear points
[0]PETSC ERROR: See https://petsc.org/release/faq/ for trouble shooting.
[0]PETSC ERROR: Petsc Development GIT revision: v3.17.1-249-g89669be4d2 GIT Date: 2022-05-02 13:41:30 +0000
[0]PETSC ERROR: /home/salaml/ablate/cmake-build-opt-ablate/default/ablate on a arch-ablate-opt named DESKTOP-89VT3N5 by salaml Mon Jun 13 14:48:40 2022
[0]PETSC ERROR: Configure options PETSC_ARCH=arch-ablate-opt --download-mpich --download-fblaslapack --download-ctetgen --download-egads --download-fftw --download-hdf5 --download-metis --download-ml --download-mumps --download-netcdf --download-p4est --download-parmetis --download-pnetcdf --download-scalapack --download-slepc --download-suitesparse --download-superlu_dist --download-triangle --with-slepc --download-zlib --with-libpng --download-tchem --download-opencascade --with-debugging=0
[0]PETSC ERROR: #1 PetscFVLeastSquaresPseudoInverseSVD_Static() at /home/salaml/petsc/src/dm/dt/fv/interface/fv.c:2023
[0]PETSC ERROR: #2 PetscFVComputeGradient_LeastSquares() at /home/salaml/petsc/src/dm/dt/fv/interface/fv.c:2090
[0]PETSC ERROR: #3 PetscFVComputeGradient() at /home/salaml/petsc/src/dm/dt/fv/interface/fv.c:1658
[0]PETSC ERROR: #4 PetscFVLeastSquaresPseudoInverseSVD_Static() at /home/salaml/petsc/src/dm/dt/fv/interface/fv.c:2023
[0]PETSC ERROR: #5 PetscFVComputeGradient_LeastSquares() at /home/salaml/petsc/src/dm/dt/fv/interface/fv.c:2090
[0]PETSC ERROR: #6 PetscFVComputeGradient() at /home/salaml/petsc/src/dm/dt/fv/interface/fv.c:1658
[0]PETSC ERROR: #7 PetscFVLeastSquaresPseudoInverseSVD_Static() at /home/salaml/petsc/src/dm/dt/fv/interface/fv.c:2023
[0]PETSC ERROR: #8 PetscFVComputeGradient_LeastSquares() at /home/salaml/petsc/src/dm/dt/fv/interface/fv.c:2090
[0]PETSC ERROR: #9 PetscFVComputeGradient() at /home/salaml/petsc/src/dm/dt/fv/interface/fv.c:1658
[0]PETSC ERROR: #10 PetscFVLeastSquaresPseudoInverseSVD_Static() at /home/salaml/petsc/src/dm/dt/fv/interface/fv.c:2023
[0]PETSC ERROR: #11 PetscFVComputeGradient_LeastSquares() at /home/salaml/petsc/src/dm/dt/fv/interface/fv.c:2090
[0]PETSC ERROR: #12 PetscFVComputeGradient() at /home/salaml/petsc/src/dm/dt/fv/interface/fv.c:1658
[0]PETSC ERROR: #13 PetscFVLeastSquaresPseudoInverseSVD_Static() at /home/salaml/petsc/src/dm/dt/fv/interface/fv.c:2023
[0]PETSC ERROR: #14 PetscFVComputeGradient_LeastSquares() at /home/salaml/petsc/src/dm/dt/fv/interface/fv.c:2090
[0]PETSC ERROR: #15 PetscFVComputeGradient() at /home/salaml/petsc/src/dm/dt/fv/interface/fv.c:1658
[0]PETSC ERROR: #16 PetscFVLeastSquaresPseudoInverseSVD_Static() at /home/salaml/petsc/src/dm/dt/fv/interface/fv.c:2023
[0]PETSC ERROR: #17 PetscFVComputeGradient_LeastSquares() at /home/salaml/petsc/src/dm/dt/fv/interface/fv.c:2090
[0]PETSC ERROR: #18 PetscFVComputeGradient() at /home/salaml/petsc/src/dm/dt/fv/interface/fv.c:1658
[0]PETSC ERROR: #19 PetscFVLeastSquaresPseudoInverseSVD_Static() at /home/salaml/petsc/src/dm/dt/fv/interface/fv.c:2023
[0]PETSC ERROR: #20 PetscFVComputeGradient_LeastSquares() at /home/salaml/petsc/src/dm/dt/fv/interface/fv.c:2090
[0]PETSC ERROR: #21 PetscFVComputeGradient() at /home/salaml/petsc/src/dm/dt/fv/interface/fv.c:1658