Dear All, Hope you are having a great week. Thank you for any help.
I am trying to make a minimal working example (please see MWE attached)
based on Step-15 (wihout refinement) using KINSOL with a fixed-point solver
that incorporates Anderson acceleration. If I set the additional data
variable below to zero (around line 345-350 in attachment)
additional_data.anderson_subspace_size = 0;
the code runs as expected (in terms of the printed residuals being the same
as those obtained without KINSOL in step-15's first mesh). However, if I
bump the value of the anderson_subspace_size up to 1 (or 2 or 3) and have
additional_data.anderson_subspace_size = 1;
I run into a segmentation fault. I am probably missing something here, but
have tried different additions/adjustments with no luck. Please help.
Thank you for your time.
Best,
Dan Brauss
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mwe_using_step-15.cc
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