*HEADING
*restart,read,step=3
*STEP,INC=300,NLGEOM=YES,UNSYMM=YES
 2:  ABLATION
*STEADY STATE TRANSPORT,INERTIA=YES
*RESTART,WRITE,FREQ=1
*print,contact=yes,adapt=yes
*adaptive mesh,elset=TREAD,FREQ=1,MESH=4
*adaptive mesh constraint,type=velocity,user
NADAPT,1,,5.E-13
*adaptive mesh constraint,constraint=lagrangian
NADAPT_LAGR,
*END STEP