On 3/25/24 00:13, Yufei Fang wrote:
I appreciate the effort and time you dedicated to reviewing and addressing the
error I encountered. Your guidance has been beneficial. Following your advice,
I have updated the mesh file to incorporate triangles. The file now has the
following structure:
"""
3 # number of vertices per element
16308 # number of elements
# Elements
0 2 1
3 1 2
1 3 5
...
"""
However, this modification has led to a new error message:
"""
An error occurred in line <1557> of file
</dssg/opt/icelake/linux-centos8-icelake/gcc-9.3.0/dealii-9.4.0/src/dealii-9.4.0/source/grid/grid_in.cc> in function
void dealii::GridIn<dim, spacedim>::read_comsol_mphtxt(std::istream&)
[with int dim = 2; int spacedim = 3; std::istream = std::basic_istream<char>]
*The violated condition was:
s == "4 Mesh"*
Additional information:
You are trying to use functionality in deal.II that is currently not
implemented. In many cases, this indicates that there simply didn't
appear much of a need for it, or that the author of the original code
did not have the time to implement a particular case. If you hit this
exception, it is therefore worth the time to look into the code to
find out whether you may be able to implement the missing
functionality. If you do, please consider providing a patch to the
deal.II development sources (see the deal.II website on how to
contribute).
Yufei:
the error indicates that the deal.II version you are using (9.4) had not yet
implemented the ability to read triangle meshes. But this is already fixed in
9.5, I believe, and I verified that the mesh can be properly read with the
current development version. You'll either have to update to 9.5, or use
quadrilateral meshes instead (which I *think* should work in 9.4, but am not
entirely sure).
Best
W.
--
------------------------------------------------------------------------
Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
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