MeshView and MixedFunctionSpace not in dolfin from conda-forge

racso8 · January 18, 2023, 5:40pm

I was working with dolfin downloaded from conda-forge fenics. Then I needed MeshView and MixedFunctionSpace and I got dolfinx working but couldn’t find the attributes MeshView and MixedFunctionSpace there. Is it still possible to get MeshView and MixedFunctionSpace for dolfin via conda-forge? I have versions conda 22.11.1 and dolfin 2019.1.0.

dokken · January 19, 2023, 6:01am

There hasn’t been a release of dolfin since the introduction of mixed dimensional methods.

This is mainly due to all development moving to DOLFINx.

I am trying to make the appropriate tags needed for a final legacy fenics release, but it has taken more time than expected.

racso8 · January 19, 2023, 1:24pm

Hi, thanks for your reply.

If I understand it correctly then it is not possible to use dolfinx from conda-forge for MeshView and MixedFunctionSpace but it is with the latest dolfin/Fenicsx built from source? Since dolfinx from conda-forge doesn’t seem to have either.

dokken · January 19, 2023, 4:41pm

You can build from source, or use docker, for instance the image: ghcr.io/scientificcomputing/fenics:2023-01-16
which is based on the latest commit of dolfin, built with this recipe:

github.com

scientificcomputing/packages/blob/main/fenics/Dockerfile

# Dependency versions
ARG PYBIND11_VERSION=2.10.1
ARG PETSC_VERSION=3.18.6
ARG SLEPC_VERSION=3.18.3
ARG UFL_BRANCH="main"
ARG DOLFIN_BRANCH="master"
ARG FFC_BRANCH="master"
ARG DIJITSO_BRANCH="master"
ARG FIAT_BRANCH="master"

# Flags to pass to ninja build system.
ARG MAKEFLAGS
# Compiler optimisation flags for SLEPc and PETSc, all languages.
# CMake build type for DOLFIN C++ build. See CMake documentation.
ARG DOLFIN_CMAKE_BUILD_TYPE="RelWithDebInfo"
# Extra CMake C++ compiler flags for DOLFIN C++ build.
ARG DOLFIN_CMAKE_CXX_FLAGS="-O2"

########################################

This file has been truncated. show original

For mixeddimensional support in DOLFINx, see the work of @jpdean :GitHub - jpdean/mixed_domain_demos

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MeshView and MixedFunctionSpace not in dolfin from conda-forge

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