*HEADING
  POST OUTPUT FOR
  INELASTIC NONLINEAR BEAM GENERAL SECTION DYNAMICS 
*POST OUTPUT,STEP=1
20, 
*EL PRINT
SF, 
*EL FILE
SF, 
*POST OUTPUT,STEP=1
40, 
*EL FILE
SPE, 
SEPE, 
*EL PRINT
SPE, 
SEPE,