*HEADING
o TOTAL DSA ANALYSIS, MEMBRANE ELEMENTS
*PARAMETER
E=1.0e05
T=0.2
X=0.0
*DESIGN PARAMETER
T,X
*NODE, NSET=NALL
** M3D3
 1, 0.0, 0.0, 0.0
 2, 1.0, 0.0, 0.0
 3, 1.0, 1.0, 0.0
 4, 0.0, 1.0, 0.0
** M3D4
 5, 0.0, 2.0, 0.0
 6, 1.0, 2.0, 0.0
 7, 1.0, 3.0, 0.0
 8, 0.0, 3.0, 0.0
** M3D4R
 9, 0.0, 4.0, 0.0
10, 1.0, 4.0, 0.0
11, 1.0, 5.0, 0.0
12, 0.0, 5.0, 0.0
** M3D6
13, 0.0, 6.0, 0.0
14, 1.0, 6.0, 0.0
15, 1.0, 7.0, 0.0
16, 0.0, 7.0, 0.0
17, 0.5, 6.0, 0.0
18, 1.0, 6.5, 0.0
19, 0.5, 7.0, 0.0
20, 0.0, 6.5, 0.0
21, 0.5, 6.5, 0.0
** M3D8
22, 0.0, 8.0, 0.0
23, 1.0, 8.0, 0.0
24, 1.0, 9.0, 0.0
25, 0.0, 9.0, 0.0
26, 0.5, 8.0, 0.0
27, 1.0, 8.5, 0.0
28, 0.5, 9.0, 0.0
29, 0.0, 8.5, 0.0
** M3D8R
30, 0.0,10.0, 0.0
31, 1.0,10.0, 0.0
32, 1.0,11.0, 0.0
33, 0.0,11.0, 0.0
34, 0.5,10.0, 0.0
35, 1.0,10.5, 0.0
36, 0.5,11.0, 0.0
37, 0.0,10.5, 0.0
** M3D9
38, 0.0,12.0, 0.0
39, 1.0,12.0, 0.0
40, 1.0,13.0, 0.0
41, 0.0,13.0, 0.0
42, 0.5,12.0, 0.0
43, 1.0,12.5, 0.0
44, 0.5,13.0, 0.0
45, 0.0,12.5, 0.0
46, 0.5,12.5, 0.0
** M3D9R
47, 0.0,14.0, 0.0
48, 1.0,14.0, 0.0
49, 1.0,15.0, 0.0
50, 0.0,15.0, 0.0
51, 0.5,14.0, 0.0
52, 1.0,14.5, 0.0
53, 0.5,15.0, 0.0
54, 0.0,14.5, 0.0
55, 0.5,14.5, 0.0
*PARAMETER SHAPE VARIATION, PARAMETER=X
3,  1.0, 0.0, 0.0
7,  1.0, 0.0, 0.0
11, 1.0, 0.0, 0.0
15, 1.0, 0.0, 0.0
24, 1.0, 0.0, 0.0
32, 1.0, 0.0, 0.0
40, 1.0, 0.0, 0.0
49, 1.0, 0.0, 0.0
*ELEMENT, TYPE=M3D3, ELSET=M3D3
1, 1, 2, 3
2, 1, 3, 4
*ELEMENT, TYPE=M3D4, ELSET=M3D4
3, 5, 6, 7, 8
*ELEMENT, TYPE=M3D4R, ELSET=M3D4R
4, 9, 10, 11, 12
*ELEMENT, TYPE=M3D6, ELSET=M3D6
5, 13, 14, 15, 17, 18, 21
6, 13, 15, 16, 21, 19, 20
*ELEMENT, TYPE=M3D8, ELSET=M3D8
7, 22, 23, 24, 25, 26, 27, 28, 29
*ELEMENT, TYPE=M3D8R, ELSET=M3D8R
8, 30, 31, 32, 33, 34, 35, 36, 37
*ELEMENT, TYPE=M3D9, ELSET=M3D9
9, 38, 39, 40, 41, 42, 43, 44, 45, 46
*ELEMENT, TYPE=M3D9R, ELSET=M3D9R
10, 47, 48, 49, 50, 51, 52, 53, 54, 55
*ELSET,ELSET=EALL
M3D3,M3D4,M3D4R,M3D6,M3D8,M3D8R,M3D9,M3D9R
*MATERIAL, NAME=STEEL
*ELASTIC
<E>, 0.3
*MEMBRANE SECTION, ELSET=EALL, MATERIAL=STEEL
<T>,
*NSET, NSET=VERTICAL
 1,  4,  5,  8, 9, 12, 13, 16, 20,
22, 25, 29, 30,33, 37, 38, 41, 45,
47, 50, 54
*NSET, NSET=HORIZONTAL
 1, 2,   5,  6,  9, 10, 13, 14, 17, 
22, 23, 26, 30, 31, 34, 38, 39, 42,
47, 48
*NSET, NSET=LOAD
 3, 7,11,15,24,32,40,49
*BOUNDARY
NALL,       3, 3, 0.0
VERTICAL,   1, 1, 0.0
HORIZONTAL, 2, 2, 0.0
*DSA CONTROLS, FORMULATION=TOTAL
T,CD,0.01
X,CD,0.01
*STEP, NLGEOM,DSA
Initial Load
*STATIC
0.5, 1.0
*DLOAD
EALL, BX, 20.0
*DESIGN RESPONSE
*NODE RESPONSE
U,
*ELEMENT RESPONSE
S,
*END STEP
*STEP, NLGEOM,DSA
Extra Load
*STATIC
0.5, 1.0
*CLOAD
LOAD, 2, 1.0
*DESIGN RESPONSE
*NODE RESPONSE
U,
RF,
*ELEMENT RESPONSE
S,
LE,
*END STEP