$ Nastran bulk data written by FieldCraft $ units: mm-t-s-N-MPa SOL 101 CEND TITLE = FieldCraft model ECHO = NONE SUBCASE 1 SUBTITLE = Sag SPC = 1 LOAD = 4 DISPLACEMENT = ALL SPCFORCES = ALL STRESS = ALL STRAIN = ALL BEGIN BULK PARAM POST -1 PARAM AUTOSPC YES $ nodes GRID* 1 0. 0. * 0. GRID* 2 5. 0. * 0. GRID* 3 10. 0. * 0. GRID* 4 0. 5. * 0. GRID* 5 5. 5. * 0. GRID* 6 10. 5. * 0. GRID* 7 0. 10. * 0. GRID* 8 5. 10. * 0. GRID* 9 10. 10. * 0. $ materials $ material Aluminium: MAT1 1 MAT1* 1 70000. 0.33 * 2.7E-9 $ properties $ section skin: PSHELL 1 PSHELL* 1 1 2. 1 * 1 $ elements CQUAD4 1 1 1 2 5 4 CQUAD4 2 1 2 3 6 5 CQUAD4 3 1 4 5 8 7 CQUAD4 4 1 5 6 9 8 $ boundary conditions $ step Sag: SPC 1 SPC1 1 123456 1 4 7 $ loads $ load press: PLOAD4 2 PLOAD4* 2 1 -0.01 PLOAD4* 2 2 -0.01 PLOAD4* 2 3 -0.01 PLOAD4* 2 4 -0.01 $ load weight: GRAV 3 GRAV* 3 1. 0. * 0. -9810. LOAD* 4 1. 1. 2 * 1. 3 ENDDATA