Merge branch 'fix-mesh-for-new-PETSc' into 'development'

mesh works again for PETSc >= 3.19

Closes #320

See merge request damask/DAMASK!843

src/mesh/FEM_quadrature.f90

@@ -20,13 +20,13 @@ module FEM_quadrature
                            -1.0_pREAL,  1.0_pREAL, -1.0_pREAL, &
                            -1.0_pREAL, -1.0_pREAL,  1.0_pREAL], shape=[3,4])
 
-  type :: group_real                                                                               !< variable length datatype
+  type :: group_real                                                                                !< variable length datatype
     real(pREAL), dimension(:), allocatable :: p
   end type group_real
 
-  integer,             dimension(2:3,maxOrder), public, protected :: &
+  integer,          dimension(2:3,maxOrder), public, protected :: &
     FEM_nQuadrature                                                                                 !< number of quadrature points for spatial dimension(2-3) and interpolation order (1-maxOrder)
-  type(group_real),   dimension(2:3,maxOrder), public, protected :: &
+  type(group_real), dimension(2:3,maxOrder), public, protected :: &
     FEM_quadrature_weights, &                                                                       !< quadrature weights for each quadrature rule
     FEM_quadrature_points                                                                           !< quadrature point coordinates (in simplical system) for each quadrature rule
 

src/mesh/FEM_utilities.f90

@@ -122,19 +122,20 @@ subroutine FEM_utilities_init(num_mesh)
   flush(IO_STDOUT)
   call PetscOptionsClear(PETSC_NULL_OPTIONS,err_PETSc)
   CHKERRQ(err_PETSc)
-  CHKERRQ(err_PETSc)
 
   petsc_options = misc_prefixOptions('-snes_type newtonls &
                                &-snes_linesearch_type cp -snes_ksp_ew &
                                &-snes_ksp_ew_rtol0 0.01 -snes_ksp_ew_rtolmax 0.01 &
                                &-ksp_type fgmres -ksp_max_it 25 ' // &
                                 num_mech%get_asStr('PETSc_options',defaultVal=''), 'mechanical_')
-
   write(petsc_optionsOrder,'(a,i0)') '-mechFE_petscspace_degree ', p_s
   petsc_options = petsc_options // ' ' // petsc_optionsOrder
   call PetscOptionsInsertString(PETSC_NULL_OPTIONS,petsc_options,err_PETSc)
   CHKERRQ(err_PETSc)
 
+  call PetscOptionsSetValue(PETSC_NULL_OPTIONS,'-petscds_force_quad','0',err_PETSc)
+  CHKERRQ(err_PETSc)
+
   wgt = real(mesh_maxNips*mesh_NcpElemsGlobal,pREAL)**(-1)
 
 end subroutine FEM_utilities_init

src/mesh/mesh_mech_FEM.f90

@@ -155,6 +155,8 @@ subroutine FEM_mechanical_init(fieldBC,num_mesh)
   CHKERRQ(err_PETSc)
   call DMGetDimension(mechanical_mesh,dimPlex,err_PETSc)
   CHKERRQ(err_PETSc)
+  call DMSetFromOptions(mechanical_mesh,err_PETSc)
+  CHKERRQ(err_PETSc)
 
 !--------------------------------------------------------------------------------------------------
 ! Setup FEM mech discretization