bug in solidDisplacementFoam and other structural codes
Dear Foamers, after inspecting solvers like solidDisplacementFoam (and similar) i found, that increase of pressure on surface leads to expansion of material!
This error have roots in patch description: surface normal pressure is added to traction (but it must be subtracted), let's see to tractionDisplacementFvPatchVectorField.C
And of course, excuse me my English
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