openfoam 1906.191111+dfsg1-1 (arm64 binary) in ubuntu focal

 OpenFOAM is the free, open source CFD software released and developed
 primarily by OpenCFD Ltd since 2004. It has a large user base across most
 areas of engineering and science, from both commercial and academic
 organisations. OpenFOAM has an extensive range of features to solve anything
 from complex fluid flows involving chemical reactions, turbulence and heat
 transfer, to acoustics, solid mechanics and electromagnetics.
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 Package contains binaries.