On 8/22/24 15:42, Mark Simmons wrote:
1.) can I check to see if deal.ii is actually reassembling my matrix at
every time step?
2.) how can I make sure that my matrix is only assembled once at the
beginning?
deal.II is not calling functions behind your back. If your run()
function is not calling assemble_system(), then assemble_system() is not
called.
But if you want to make sure, why don't you just put something like
std::cout << "********* ASSEMBLING MATRIX ***********" << std::endl;
at the top of the function that assembles the matrix? Then you just have
to read through your program's output to see where that function is
apparently executed.
Best
W.
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