*Heading
DSA verification for truss elements
*Node
** T2D2
1,  0.0, 0.0
2, 10.0, 0.0
3, 20.0, 0.0
** T2D2H 
5, 30.0, 0.0
6, 40.0, 0.0
** T2D3	 
8, 45.0, 0.0
9, 50.0, 0.0
10,55.0, 0.0
11,60.0, 0.0
** T2D3H 
13,65.0, 0.0
14,70.0, 0.0
15,75.0, 0.0
16,80.0, 0.0
** T3D2  
18,90.0, 0.0
19,100.0,0.0
** T3D2H 
21,110.0, 0.0
22,120.0, 0.0
** T3D3
24,125.0, 0.0
25,130.0, 0.0
26,135.0, 0.0
27,140.0, 0.0
** T3D3H
29,145.0, 0.0
30,150.0, 0.0
31,155.0, 0.0
32,160.0, 0.0
*Element, type=T2D2, elset=T2D2
1, 1, 2
2, 2, 3
*Element, type=T2D2, elset=T2D2H
3, 3, 5
4, 5, 6
*Element, type=T2D3, elset=T2D3
5, 6,  8,  9
6, 9, 10, 11
*Element, type=T2D3, elset=T2D3H
7, 11, 13, 14
8, 14, 15, 16
*Element, type=T3D2, elset=T3D2
9, 16, 18
10,18, 19
*Element, type=T3D2, elset=T3D2H
11, 19, 21
12, 21, 22
*Element, type=T3D3, elset=T3D3
13, 22, 24, 25
14, 25, 26, 27
*Element, type=T3D3, elset=T3D3H
15, 27, 29, 30
16, 30, 31, 32
*Elset, Elset=Eall
T2D2, T2D2H, T2D3, T2D3H, T3D2, T3D2H,
T3D3, T3D3H
*Solid section, Elset=Eall, Material=ABAQUS
<A>,
*Material, Name=ABAQUS
*Elastic
<ElasticModulus>, 0.3
*Parameter
A=2.0
ElasticModulus=10000.0
*Design parameter
ElasticModulus,A
*Dsa controls, formulation=total
*Boundary
1, 1, 2, 0.0
2, 2, 2, 0.0
3, 2, 2, 0.0
5, 2, 2, 0.0
6, 2, 2, 0.0
8, 2, 2, 0.0
9, 2, 2, 0.0
10,2, 2, 0.0
11,2, 2, 0.0
13,2, 2, 0.0
14,2, 2, 0.0
15,2, 2, 0.0
16,2, 2, 0.0
18,2, 3, 0.0
19,2, 3, 0.0
21,2, 3, 0.0
22,2, 3, 0.0
24,2, 3, 0.0
25,2, 3, 0.0
26,2, 3, 0.0
27,2, 3, 0.0
29,2, 3, 0.0
30,2, 3, 0.0
31,2, 3, 0.0
32,2, 3, 0.0
*Nset, nset=load
3, 6, 11, 16, 19, 22, 27, 32
*Step, nlgeom, dsa
*Static
1.0, 1.0
*Cload
load, 1, 20.0
*Output, field
*Node output
U,
*Element Output
S,
E,
*Design response
*Node response
U,
*Element response
S,
E,
*End step