*HEADING ABAQUS/Explicit verification problem The problem simulates the penatration of a thin plate by a projectile UNITS [kg, N, m, s] Note: The velocity must be written to the results file as it is used in the parametric study pp_mesh_study.psf ** *NODE, NSET=NALL 1,0.,0. ,50.E-3,0 ,0.,1.3E-3 ,50.E-3,1.3E-3 *NGEN, NSET=CENTER 1,, *NGEN, NSET=EDGE ,, *NFILL, NSET=NALL, BIAS=0.975 CENTER,EDGE,, *NSET,NSET=PLATE NALL, ** *ELEMENT, ELSET=EALL, TYPE=CAX4R 1,1,,, *ELGEN,ELSET=EALL 1,,,,,, ** *PARAMETER elno=50 rows=5 velo=600 ninch=1 einch=1 pendis=55E-3 begy=ninch+rows endx=1+(elno*begy) endy=endx+rows nintv=begy nextx=begy+1 nexty=nextx+1 prevy=nexty-begy eincv=elno time=pendis/velo time4=time/4.0 contype='CONTACT PAIR' *SOLID SECTION, ELSET=EALL, MATERIAL=M2024T4A1 ** *MATERIAL, NAME=M2024T4A1 *ELASTIC 71.9E9,0.34 *PLASTIC 306.031E6, 0.0 367.350E6, 0.019 389.394E6, 0.039 407.510E6, 0.058 423.825E6, 0.076 439.095E6, 0.095 453.686E6, 0.113 467.801E6, 0.131 481.570E6, 0.148 495.076E6, 0.165 *SHEAR FAILURE 0.50, *DENSITY 2767.99, ** *NODE, NSET=RREF 99999,0., -68.5E-3 *NSET, NSET=NALL RREF, *ELEMENT, TYPE=MASS, ELSET=EMASS 99999,99999 *MASS, ELSET=EMASS 0.11, *INITIAL CONDITION, TYPE=VELOCITY 99999,2, *BOUNDARY EDGE,1,2 99999,1,1 99999,4,6 ** *SURFACE, TYPE=SEGMENTS, NAME=PROJECTILE START,-1.E-4,-5.E-3 LINE,10.E-3,-32.47E-3 LINE,10.E-3,-68.5E-3 *SURFACE,TYPE=NODE, NAME=PLATE PLATE, *RIGID BODY,REFNODE=99999, ANALYTICAL SURFACE =PROJECTILE *STEP *DYNAMIC, EXPLICIT ,