*HEADING
 STEADY STATE RESPONS WITH STRUCTURAL DAMPING 
*RESTART,WRITE,FREQUENCY=999
*PREPRINT, ECHO=YES, MODEL=YES, HISTORY=YES
*NODE
 1,0
 4,30
*NGEN,NSET=ALL
 1,4
*NSET,NSET=TIP
 4,
*NSET,NSET=BOT
 1, 
*ELEMENT,TYPE=T3D2
 1,1,2
*ELGEN,ELSET=ALL
 1,3
*MATERIAL,NAME=ALL
*ELASTIC
 5,
*DENSITY
 0.011111, 
*DAMPING, structural=0.1
*SOLID SECTION,MATERIAL=ALL,ELSET=ALL
 2,
*BOUNDARY
 BOT,ENCASTRE
 ALL,2,3
*STEP
*FREQUENCY, EIGENSOLVER=AMS, NORMALIZATION=MASS, DAMPING=ON
 ,,2.
*EL PRINT
 S,E
*OUTPUT, FIELD, VARIABLE=PRESELECT, FREQUENCY=999
*END STEP
*STEP
 STEP-2
*STEADY STATE DYNAMICS
0.15,0.2,20,3
*CLOAD
 4,1,5.
*modal damping,structural
1,3,0.1
*damping controls, structural=factor
*EL PRINT,FREQUENCY=1
S,E,PHS,PHE
*NODE PRINT,FREQUENCY=1
U,V,A
CF,RF,PU
*OUTPUT, FIELD, VARIABLE=PRESELECT, FREQUENCY=999
*OUTPUT, HISTORY
*ELEMENT OUTPUT, ELSET=ALL
 S,E
*node output,nset=all
u,
*END STEP
*STEP
 STEP-3
*STEADY STATE DYNAMICS
0.15,0.2,20,3
*CLOAD
 4,1,5.
*EL PRINT,FREQUENCY=1
S,E,PHS,PHE
*NODE PRINT,FREQUENCY=1
U,V,A
CF,RF,PU
*OUTPUT, FIELD, VARIABLE=PRESELECT, FREQUENCY=999
*OUTPUT, HISTORY
*ELEMENT OUTPUT, ELSET=ALL
 S,E
*node output,nset=all
u,
*END STEP
*STEP
 STEP-4
*STEADY STATE DYNAMICS
0.15,0.2,20,3
*CLOAD
 4,1,5.
*modal damping,structural
1,3,0.05
*global damping, structural=0.05
*damping controls, structural=factor
*EL PRINT,FREQUENCY=1
S,E,PHS,PHE
*NODE PRINT,FREQUENCY=1
U,V,A
CF,RF,PU
*OUTPUT, FIELD, VARIABLE=PRESELECT, FREQUENCY=999
*OUTPUT, HISTORY
*ELEMENT OUTPUT, ELSET=ALL
 S,E
*node output,nset=all
u,
*END STEP
*STEP
 STEP-5
*STEADY STATE DYNAMICS
0.15,0.2,20,3
*CLOAD
 4,1,5.
*global damping, structural=0.05
*damping controls, structural=combined
*EL PRINT,FREQUENCY=1
S,E,PHS,PHE
*NODE PRINT,FREQUENCY=1
U,V,A
CF,RF,PU
*OUTPUT, FIELD, VARIABLE=PRESELECT, FREQUENCY=999
*OUTPUT, HISTORY
*ELEMENT OUTPUT, ELSET=ALL
 S,E
*node output,nset=all
u,
*END STEP