*Heading
Beam
*Part,Name=BM
*End Part
*Assembly, Name=Beam
*Instance, name=BM1, part=BM
*Node
1, 0.0, 0.0
2, 5.0, 0.0
3,10.0, 0.0
4,15.0, 0.0
5,20.0, 0.0
*Element, Type=B23, Elset=Eall
1, 1, 2
2, 2, 3
3, 3, 4
4, 4, 5
*Beam Section, material=M1, elset=eall, section=circ
1.0
*End Instance
*End Assembly
*Material, name=M1
*Elastic
10000.0, 0.2
*Boundary
Beam.BM1.1, 1, 6, 0.0
*Parameter
P1=0.2
P2=0.2
P3=0.3
P4=0.5
P5=2.0
P6=2.0
*Design parameter
P1,P2,P5,P6
*Dsa controls, formulation=Total
*Step, nlgeom, Dsa
*Static,direct
0.5, 1.0
*cload
Beam.BM1.2, 2, <P1>
Beam.BM1.3, 2, <P2>
Beam.BM1.4, 2, <P3>
Beam.BM1.5, 2, <P4>
*Cload
Beam.BM1.5, 2, <P3>
*Output, field
*Node Output
U,
*Design Response
*Node Response
U,
*End step
*Step,Perturbation,dsa
*Static,direct
1.0, 1.0
*cload
Beam.BM1.5, 2, <P5>
*Output, field
*Node Output
U,
*Design Response
*Node Response
U,
*End step
*Step,dsa
*Static,direct
1.0, 1.0
*cload
Beam.BM1.5, 2, <P6>
*Output, field
*Node Output
U,
*Design Response
*Node Response
U,
*End step
*Step,dsa
*Static,direct
1.0, 1.0
*cload,OP=NEW
*Output, field
*Node Output
U,
*Design Response
*Node Response
U,
*End step