*HEADING
: I FRAME SECTION, AQUA LOADING  [FRAME2D]
*NODE
 1,  0.0, 0.0
11, 75., 0.0
*NGEN,NSET=ALL
 1,11,2
*AQUA
 -100., 50., 10.0, 8000.0E-6
 0., -30., 0., -100.
 0., -30., 0., 50.
*ELEMENT,TYPE=FRAME2D, ELSET=EALL
1,1,3
2,3,5
3,5,7
4,7,9
5,9,11
*ELSET, ELSET=FOUR
4, 
*FRAME SECTION,SECTION=I, ELSET=EALL, DENSITY=8000.0E-4
1.0428572, 2.4, 3., 2., .2, .2, .2
0., 0., -1
3.E6, 1.1538E6, .001
*BOUNDARY
1, 1,2,
1, 6,,
*STEP
*STATIC
*CLOAD
11,2,25.E-4
*EL PRINT
SF,
SEE,
*EL FILE, ELSET=FOUR
SF,
SEE,
*NODE FILE
 U,COORD
 RF,
*NODE PRINT
 U,
 RF, 
*ENERGY FILE 
*ENERGY PRINT 
*END STEP
*********************** STEP 2
*STEP,PERTURBATION
*STATIC
*DLOAD
EALL, GRAV,1.0E-3, 0., -1., 0.
*EL PRINT
SF,
SEE,
*EL FILE, ELSET=FOUR
SF,
SEE,
*NODE FILE
 U,COORD
 RF,
*NODE PRINT
 U,
 RF, 
*ENERGY FILE 
*ENERGY PRINT 
*END STEP
*********************** STEP 3
*STEP,PERTURBATION
 same as 2nd step
*STATIC
*DLOAD
EALL, PY, -1.12E-3
*ENERGY FILE 
*ENERGY PRINT 
*END STEP
*********************** STEP 4
*STEP,PERTURBATION
*STATIC
*DLOAD
EALL, P2, -1.12E-3
*ENERGY FILE 
*ENERGY PRINT 
*END STEP
*********************** STEP 5
*STEP
*STATIC
*DLOAD
EALL, FDD, 1.E-4, 3.11388889, 1.,
**         Mag, D,        Cd, 
*ENERGY FILE 
*ENERGY PRINT 
*END STEP
*********************** STEP 6
*STEP,PERTURBATION
 aqua: PB loading 
*STATIC
*DLOAD
EALL, PB, 1.E-4, 13.35712137, 
**        Mag, D,      
*EL PRINT
SF,
SEE,
*EL FILE, ELSET=FOUR
SF,
*NODE FILE
 U,COORD
*NODE PRINT
 U,
 RF, 
*ENERGY FILE 
*ENERGY PRINT 
*END STEP