There are no contacts in the model!nResidual force NR is displayed over the entire model shell.nThe shell in the modoli is broken with a 1000 mm mesh.nThis is -  SHELL181; keyopt=1nIt became impossible to solve the whole model with a 100 mm grid, so I made a test model with one span. But even a solution with such a fine grid could not be found.nThe grid that was before - 1000 mmnMesh which has become - 100 mmnn