Running PrePoMax on EC2 Windows server instance - only 1 CPU core activated

[FEAnalyst]

Try setting the OMP_NUM_THREADS environment variable to the number of CPUs you want to use. You can copy the input file and submit it outside of PrePoMax from the command line. You will just need a proper CalculiX binary.

Using standalone CalculiX

Some PrePoMax users may not be used to running analyses outside of this GUI. And it’s sometimes necessary, for example in those cases: changes that can’t be handled by the keyword editor (like unsupported element types) submitting many analyses with small differences between them testing different versions of CalculiX Here’s how to do it on Windows: Download the package with CalculiX files from http://www.dhondt.de/ [ccx download] After unpacking, you can use the solver by just puttin…