Dear Libmeshers,
I am trying to write a programme using infinite elements. Since I am new to
libmesh, please forgive me dumb questions but I am a bit stuck at the moment.
I started with the example miscelaneous_ex1 where these are introduced but
figured out that, at least in my installation, no elements are added at all:
Compiling the code with METHOD=dbg gives the output
"added 0 infinite elements and 0 nodes to the mesh"
which, in my point of view, is due to an error in inf_elem_builder.C (see patch
in supplement; it seems to solve this problem)
However, running the code than, gave me several errors: First, the
exodus-output broke down with the message
"Error: Exodus requires all elements with a given subdomain ID to be the same
type.
Can't write both INFHEX8 and HEX8 in the same block!"
and commenting this line leads to the error
"Second derivatives for Infinite elements are not yet implemented!"
however, reinstalling libmesh with the option '--disable-second' leads to
several errors due to inconsistencies (variables are defined in areas that are
excluded but used outside of it
and I am not sure whether this will help me anyhow.
Has anybody made some experience with it? Or is the true error something else?
I would be happy about any suggestions and help.
Best,
Hubert
PS: My configuration is done with
./configure --prefix=/home/tm162/bin/libmesh \
--enable-default-comm-world \
--disable-strict-lgpl \
--enable-complex \
--enable-perflog \
--enable-qhull \
--enable-slepc \
--enable-petsc \
--enable-trilinos \
--enable-triangle \
--enable-tetgen \
--enable-tecplot \
--enable-ifem \
--enable-everything \
( and now I added --disable-second )
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