Before you export the mesh from Cubit, change the element type to something like QUAD4. PETSc does not automatically remap SHELL elements to QUADs.
-- David On Fri, Sep 20, 2024 at 8:05 AM neil liu <liufi...@gmail.com> wrote: > Dear Petsc developers and users, > > I am trying to read an exodus II file from coreform cubit, but without > success, > Then I used petsc's built-in exodus file, > /share/petsc/datafiles/meshes/sevenside.exo. > This file can be read by petsc successfully. > > And I did a test. This file, sevenside.exo, is imported into coreform > Cubit, and then is saved as a new exodus file. This new exodus file can not > be read by petsc successfully. > > [0]PETSC ERROR: Invalid argument > [0]PETSC ERROR: Unrecognized element type SHELL > [0]PETSC ERROR: See > https://urldefense.us/v3/__https://petsc.org/release/faq/__;!!G_uCfscf7eWS!YXFbgIYxxvzCFais_YdSXz_Ud3HzkOxfL59IAAUpV7ib_eKf36dajg1egysD6JLSeii4EZ_NXsx3DrXzCiY$ > > <https://urldefense.us/v3/__https://petsc.org/release/faq/__;!!G_uCfscf7eWS!fcN-KL0rs3WRHNRfT47zioS4djjyXM7OCr32LT2olmZHm3X1NIk-WMdU9-UR3rNotQSpINEm8NrcMtWTCFqKEg$> > for > trouble shooting. > [0]PETSC ERROR: Petsc Release Version 3.21.1, Apr 26, 2024 > [0]PETSC ERROR: ./app on a arch-linux-c-opt named localhost.localdomain by > xiaodongliu Fri Sep 20 09:36:16 2024 > [0]PETSC ERROR: Configure options -download-mumps -download-scalapack > --with-cc=gcc --with-fc=gfortran --with-cxx=g++ --download-fblaslapack > --download-mpich --with-scalar-type=complex --download-triangle > --with-debugging=no --download-parmetis --download-metis -download-ptscotch > --download-bison --download-hdf5 > -download-mmg=/home/xiaodongliu/Documents/3rdPartyLib/d5c43d1bcefe598d51428f6a7fee10ec29478b79.tar.gz > --download-ctetgen --download-pragmatic --download-eigen > --download-netcdf=/home/xiaodongliu/Documents/3rdPartyLib/netcdf-c-4.9.2-p1.tar.gz > --download-zlib --download-pnetcdf --download-exodusii > [0]PETSC ERROR: #1 ExodusGetCellType_Internal() at > /home/xiaodongliu/Documents/petsc-with-docs-3.21.1/petsc-3.21.1/src/dm/impls/plex/plexexodusii.c:1470 > [0]PETSC ERROR: #2 DMPlexCreateExodus() at > /home/xiaodongliu/Documents/petsc-with-docs-3.21.1/petsc-3.21.1/src/dm/impls/plex/plexexodusii.c:1551 > [0]PETSC ERROR: #3 DMPlexCreateExodusFromFile() at > /home/xiaodongliu/Documents/petsc-with-docs-3.21.1/petsc-3.21.1/src/dm/impls/plex/plexexodusii.c:1390 > > Thanks a lot. > > Xiaodong > Compose: > Inquiry about reading an exodus II file from coreform Cubit > [image: Minimize][image: Pop-out][image: Close] > PETSc users list >