*HEADING
 : NAFEMS BENCHMARK EXAMPLE 3DNLG-6
 BUCKLING OF A FLAT PLATE WHEN SUBJECTED TO IN-PLANE SHEAR
*RESTART,WRITE,FREQ=999
*NODE
1, 0.000000 , 0.000000 , 0.000000 
2, 62.500000 , 0.000000 , 0.000000 
3, 125.000000 , 0.000000 , 0.000000 
4, 187.500000 , 0.000000 , 0.000000 
5, 250.000000 , 0.000000 , 0.000000 
6, 312.500000 , 0.000000 , 0.000000 
7, 375.000000 , 0.000000 , 0.000000 
8, 437.500000 , 0.000000 , 0.000000 
9, 500.000000 , 0.000000 , 0.000000 
10, 562.500000 , 0.000000 , 0.000000 
11, 625.000000 , 0.000000 , 0.000000 
12, 687.500000 , 0.000000 , 0.000000 
13, 750.000000 , 0.000000 , 0.000000 
14, 812.500000 , 0.000000 , 0.000000 
15, 875.000000 , 0.000000 , 0.000000 
16, 937.500000 , 0.000000 , 0.000000 
17, 1000.000000 , 0.000000 , 0.000000 
18, 0.000000 , 62.500000 , 0.000000 
19, 62.500000 , 62.500000 , 0.414134 
20, 125.000000 , 62.500000 , 0.777311 
21, 187.500000 , 62.500000 , 1.048233 
22, 250.000000 , 62.500000 , 1.202312 
23, 312.500000 , 62.500000 , 1.234452 
24, 375.000000 , 62.500000 , 1.157397 
25, 437.500000 , 62.500000 , 0.996849 
26, 500.000000 , 62.500000 , 0.785236 
27, 562.500000 , 62.500000 , 0.555889 
28, 625.000000 , 62.500000 , 0.338625 
29, 687.500000 , 62.500000 , 0.156886 
30, 750.000000 , 62.500000 , 0.026018 
31, 812.500000 , 62.500000 , -0.047709 
32, 875.000000 , 62.500000 , -0.067448 
33, 937.500000 , 62.500000 , -0.045202 
34, 1000.000000 , 62.500000 , 0.000000 
35, 0.000000 , 125.000000 , 0.000000 
36, 62.500000 , 125.000000 , 0.779560 
37, 125.000000 , 125.000000 , 1.469232 
38, 187.500000 , 125.000000 , 1.995191 
39, 250.000000 , 125.000000 , 2.311523 
40, 312.500000 , 125.000000 , 2.405220 
41, 375.000000 , 125.000000 , 2.294069 
42, 437.500000 , 125.000000 , 2.019347 
43, 500.000000 , 125.000000 , 1.636236 
44, 562.500000 , 125.000000 , 1.204558 
45, 625.000000 , 125.000000 , 0.781174 
46, 687.500000 , 125.000000 , 0.414136 
47, 750.000000 , 125.000000 , 0.138015 
48, 812.500000 , 125.000000 , -0.029845 
49, 875.000000 , 125.000000 , -0.091679 
50, 937.500000 , 125.000000 , -0.069182 
51, 1000.000000 , 125.000000 , 0.000000 
52, 0.000000 , 187.500000 , 0.000000 
53, 62.500000 , 187.500000 , 1.055663 
54, 125.000000 , 187.500000 , 2.003485 
55, 187.500000 , 187.500000 , 2.752524 
56, 250.000000 , 187.500000 , 3.241545 
57, 312.500000 , 187.500000 , 3.445208 
58, 375.000000 , 187.500000 , 3.373467 
59, 437.500000 , 187.500000 , 3.065960 
60, 500.000000 , 187.500000 , 2.583899 
61, 562.500000 , 187.500000 , 2.001386 
62, 625.000000 , 187.500000 , 1.396775 
63, 687.500000 , 187.500000 , 0.843732 
64, 750.000000 , 187.500000 , 0.401719 
65, 812.500000 , 187.500000 , 0.106687 
66, 875.000000 , 187.500000 , -0.035943 
67, 937.500000 , 187.500000 , -0.053272 
68, 1000.000000 , 187.500000 , 0.000000 
69, 0.000000 , 250.000000 , 0.000000 
70, 62.500000 , 250.000000 , 1.216345 
71, 125.000000 , 250.000000 , 2.331545 
72, 187.500000 , 250.000000 , 3.255942 
73, 250.000000 , 250.000000 , 3.920773 
74, 312.500000 , 250.000000 , 4.284332 
75, 375.000000 , 250.000000 , 4.334925 
76, 437.500000 , 250.000000 , 4.091375 
77, 500.000000 , 250.000000 , 3.601632 
78, 562.500000 , 250.000000 , 2.939089 
79, 625.000000 , 250.000000 , 2.195369 
80, 687.500000 , 250.000000 , 1.468515 
81, 750.000000 , 250.000000 , 0.846968 
82, 812.500000 , 250.000000 , 0.392108 
83, 875.000000 , 250.000000 , 0.124084 
84, 937.500000 , 250.000000 , 0.016042 
85, 1000.000000 , 250.000000 , 0.000000 
86, 0.000000 , 312.500000 , 0.000000 
87, 62.500000 , 312.500000 , 1.253510 
88, 125.000000 , 312.500000 , 2.434911 
89, 187.500000 , 312.500000 , 3.473016 
90, 250.000000 , 312.500000 , 4.299918 
91, 312.500000 , 312.500000 , 4.855945 
92, 375.000000 , 312.500000 , 5.097573 
93, 437.500000 , 312.500000 , 5.007327 
94, 500.000000 , 312.500000 , 4.603065 
95, 562.500000 , 312.500000 , 3.942754 
96, 625.000000 , 312.500000 , 3.120881 
97, 687.500000 , 312.500000 , 2.254469 
98, 750.000000 , 312.500000 , 1.460092 
99, 812.500000 , 312.500000 , 0.827178 
100, 875.000000 , 312.500000 , 0.395483 
101, 937.500000 , 312.500000 , 0.144575 
102, 1000.000000 , 312.500000 , 0.000000 
103, 0.000000 , 375.000000 , 0.000000 
104, 62.500000 , 375.000000 , 1.177061 
105, 125.000000 , 375.000000 , 2.326035 
106, 187.500000 , 375.000000 , 3.406542 
107, 250.000000 , 375.000000 , 4.359253 
108, 312.500000 , 375.000000 , 5.108735 
109, 375.000000 , 375.000000 , 5.576540 
110, 437.500000 , 375.000000 , 5.701540 
111, 500.000000 , 375.000000 , 5.461294 
112, 562.500000 , 375.000000 , 4.886751 
113, 625.000000 , 375.000000 , 4.063646 
114, 687.500000 , 375.000000 , 3.117652 
115, 750.000000 , 375.000000 , 2.185745 
116, 812.500000 , 375.000000 , 1.381506 
117, 875.000000 , 375.000000 , 0.765124 
118, 937.500000 , 375.000000 , 0.328319 
119, 1000.000000 , 375.000000 , 0.000000 
120, 0.000000 , 437.500000 , 0.000000 
121, 62.500000 , 437.500000 , 1.011664 
122, 125.000000 , 437.500000 , 2.044075 
123, 187.500000 , 437.500000 , 3.092975 
124, 250.000000 , 437.500000 , 4.113576 
125, 312.500000 , 437.500000 , 5.020848 
126, 375.000000 , 437.500000 , 5.706658 
127, 437.500000 , 437.500000 , 6.068942 
128, 500.000000 , 437.500000 , 6.043564 
129, 562.500000 , 437.500000 , 5.627982 
130, 625.000000 , 437.500000 , 4.887886 
131, 687.500000 , 437.500000 , 3.943281 
132, 750.000000 , 437.500000 , 2.937282 
133, 812.500000 , 437.500000 , 1.997033 
134, 875.000000 , 437.500000 , 1.199316 
135, 937.500000 , 437.500000 , 0.552328 
136, 1000.000000 , 437.500000 , 0.000000 
137, 0.000000 , 500.000000 , 0.000000 
138, 62.500000 , 500.000000 , 0.791210 
139, 125.000000 , 500.000000 , 1.646634 
140, 187.500000 , 500.000000 , 2.596124 
141, 250.000000 , 500.000000 , 3.612886 
142, 312.500000 , 500.000000 , 4.611234 
143, 375.000000 , 500.000000 , 5.465601 
144, 437.500000 , 500.000000 , 6.044753 
145, 500.000000 , 500.000000 , 6.250000 
146, 562.500000 , 500.000000 , 6.044753 
147, 625.000000 , 500.000000 , 5.465601 
148, 687.500000 , 500.000000 , 4.611234 
149, 750.000000 , 500.000000 , 3.612886 
150, 812.500000 , 500.000000 , 2.596124 
151, 875.000000 , 500.000000 , 1.646634 
152, 937.500000 , 500.000000 , 0.791210 
153, 1000.000000 , 500.000000 , 0.000000 
154, 0.000000 , 562.500000 , 0.000000 
155, 62.500000 , 562.500000 , 0.552328 
156, 125.000000 , 562.500000 , 1.199316 
157, 187.500000 , 562.500000 , 1.997033 
158, 250.000000 , 562.500000 , 2.937282 
159, 312.500000 , 562.500000 , 3.943281 
160, 375.000000 , 562.500000 , 4.887886 
161, 437.500000 , 562.500000 , 5.627982 
162, 500.000000 , 562.500000 , 6.043564 
163, 562.500000 , 562.500000 , 6.068942 
164, 625.000000 , 562.500000 , 5.706658 
165, 687.500000 , 562.500000 , 5.020848 
166, 750.000000 , 562.500000 , 4.113576 
167, 812.500000 , 562.500000 , 3.092975 
168, 875.000000 , 562.500000 , 2.044075 
169, 937.500000 , 562.500000 , 1.011664 
170, 1000.000000 , 562.500000 , 0.000000 
171, 0.000000 , 625.000000 , 0.000000 
172, 62.500000 , 625.000000 , 0.328319 
173, 125.000000 , 625.000000 , 0.765124 
174, 187.500000 , 625.000000 , 1.381506 
175, 250.000000 , 625.000000 , 2.185745 
176, 312.500000 , 625.000000 , 3.117651 
177, 375.000000 , 625.000000 , 4.063646 
178, 437.500000 , 625.000000 , 4.886751 
179, 500.000000 , 625.000000 , 5.461294 
180, 562.500000 , 625.000000 , 5.701540 
181, 625.000000 , 625.000000 , 5.576540 
182, 687.500000 , 625.000000 , 5.108735 
183, 750.000000 , 625.000000 , 4.359253 
184, 812.500000 , 625.000000 , 3.406542 
185, 875.000000 , 625.000000 , 2.326035 
186, 937.500000 , 625.000000 , 1.177061 
187, 1000.000000 , 625.000000 , -0.000001 
188, 0.000000 , 687.500000 , 0.000000 
189, 62.500000 , 687.500000 , 0.144574 
190, 125.000000 , 687.500000 , 0.395483 
191, 187.500000 , 687.500000 , 0.827178 
192, 250.000000 , 687.500000 , 1.460092 
193, 312.500000 , 687.500000 , 2.254469 
194, 375.000000 , 687.500000 , 3.120881 
195, 437.500000 , 687.500000 , 3.942754 
196, 500.000000 , 687.500000 , 4.603065 
197, 562.500000 , 687.500000 , 5.007328 
198, 625.000000 , 687.500000 , 5.097573 
199, 687.500000 , 687.500000 , 4.855945 
200, 750.000000 , 687.500000 , 4.299918 
201, 812.500000 , 687.500000 , 3.473015 
202, 875.000000 , 687.500000 , 2.434911 
203, 937.500000 , 687.500000 , 1.253509 
204, 1000.000000 , 687.500000 , -0.000001 
205, 0.000000 , 750.000000 , 0.000000 
206, 62.500000 , 750.000000 , 0.016042 
207, 125.000000 , 750.000000 , 0.124084 
208, 187.500000 , 750.000000 , 0.392108 
209, 250.000000 , 750.000000 , 0.846968 
210, 312.500000 , 750.000000 , 1.468515 
211, 375.000000 , 750.000000 , 2.195369 
212, 437.500000 , 750.000000 , 2.939089 
213, 500.000000 , 750.000000 , 3.601632 
214, 562.500000 , 750.000000 , 4.091375 
215, 625.000000 , 750.000000 , 4.334925 
216, 687.500000 , 750.000000 , 4.284332 
217, 750.000000 , 750.000000 , 3.920773 
218, 812.500000 , 750.000000 , 3.255942 
219, 875.000000 , 750.000000 , 2.331545 
220, 937.500000 , 750.000000 , 1.216345 
221, 1000.000000 , 750.000000 , -0.000001 
222, 0.000000 , 812.500000 , 0.000000 
223, 62.500000 , 812.500000 , -0.053272 
224, 125.000000 , 812.500000 , -0.035944 
225, 187.500000 , 812.500000 , 0.106687 
226, 250.000000 , 812.500000 , 0.401719 
227, 312.500000 , 812.500000 , 0.843732 
228, 375.000000 , 812.500000 , 1.396775 
229, 437.500000 , 812.500000 , 2.001386 
230, 500.000000 , 812.500000 , 2.583898 
231, 562.500000 , 812.500000 , 3.065959 
232, 625.000000 , 812.500000 , 3.373467 
233, 687.500000 , 812.500000 , 3.445208 
234, 750.000000 , 812.500000 , 3.241545 
235, 812.500000 , 812.500000 , 2.752524 
236, 875.000000 , 812.500000 , 2.003485 
237, 937.500000 , 812.500000 , 1.055663 
238, 1000.000000 , 812.500000 , 0.000000 
239, 0.000000 , 875.000000 , 0.000000 
240, 62.500000 , 875.000000 , -0.069182 
241, 125.000000 , 875.000000 , -0.091679 
242, 187.500000 , 875.000000 , -0.029845 
243, 250.000000 , 875.000000 , 0.138015 
244, 312.500000 , 875.000000 , 0.414137 
245, 375.000000 , 875.000000 , 0.781175 
246, 437.500000 , 875.000000 , 1.204558 
247, 500.000000 , 875.000000 , 1.636237 
248, 562.500000 , 875.000000 , 2.019347 
249, 625.000000 , 875.000000 , 2.294069 
250, 687.500000 , 875.000000 , 2.405220 
251, 750.000000 , 875.000000 , 2.311523 
252, 812.500000 , 875.000000 , 1.995191 
253, 875.000000 , 875.000000 , 1.469232 
254, 937.500000 , 875.000000 , 0.779560 
255, 1000.000000 , 875.000000 , 0.000000 
256, 0.000000 , 937.500000 , 0.000000 
257, 62.500000 , 937.500000 , -0.045202 
258, 125.000000 , 937.500000 , -0.067448 
259, 187.500000 , 937.500000 , -0.047709 
260, 250.000000 , 937.500000 , 0.026018 
261, 312.500000 , 937.500000 , 0.156886 
262, 375.000000 , 937.500000 , 0.338625 
263, 437.500000 , 937.500000 , 0.555889 
264, 500.000000 , 937.500000 , 0.785236 
265, 562.500000 , 937.500000 , 0.996849 
266, 625.000000 , 937.500000 , 1.157397 
267, 687.500000 , 937.500000 , 1.234452 
268, 750.000000 , 937.500000 , 1.202312 
269, 812.500000 , 937.500000 , 1.048233 
270, 875.000000 , 937.500000 , 0.777311 
271, 937.500000 , 937.500000 , 0.414134 
272, 1000.000000 , 937.500000 , 0.000000 
273, 0.000000 , 1000.000000 , 0.000000 
274, 62.500000 , 1000.000000 , 0.000000 
275, 125.000000 , 1000.000000 , 0.000000 
276, 187.500000 , 1000.000000 , 0.000000 
277, 250.000000 , 1000.000000 , 0.000000 
278, 312.500000 , 1000.000000 , 0.000000 
279, 375.000000 , 1000.000000 , 0.000000 
280, 437.500000 , 1000.000000 , 0.000000 
281, 500.000000 , 1000.000000 , 0.000000 
282, 562.500000 , 1000.000000 , 0.000000 
283, 625.000000 , 1000.000000 , -0.000001 
284, 687.500000 , 1000.000000 , -0.000001 
285, 750.000000 , 1000.000000 , -0.000001 
286, 812.500000 , 1000.000000 , 0.000000 
287, 875.000000 , 1000.000000 , 0.000000 
288, 937.500000 , 1000.000000 , 0.000000 
289, 1000.000000 , 1000.000000 , 0.000000 
*ELEMENT, TYPE=S4R5, ELSET=PID1
1, 1, 2, 19, 18
2, 2, 3, 20, 19
3, 3, 4, 21, 20
4, 4, 5, 22, 21
5, 5, 6, 23, 22
6, 6, 7, 24, 23
7, 7, 8, 25, 24
8, 8, 9, 26, 25
9, 9, 10, 27, 26
10, 10, 11, 28, 27
11, 11, 12, 29, 28
12, 12, 13, 30, 29
13, 13, 14, 31, 30
14, 14, 15, 32, 31
15, 15, 16, 33, 32
16, 16, 17, 34, 33
17, 18, 19, 36, 35
18, 19, 20, 37, 36
19, 20, 21, 38, 37
20, 21, 22, 39, 38
21, 22, 23, 40, 39
22, 23, 24, 41, 40
23, 24, 25, 42, 41
24, 25, 26, 43, 42
25, 26, 27, 44, 43
26, 27, 28, 45, 44
27, 28, 29, 46, 45
28, 29, 30, 47, 46
29, 30, 31, 48, 47
30, 31, 32, 49, 48
31, 32, 33, 50, 49
32, 33, 34, 51, 50
33, 35, 36, 53, 52
34, 36, 37, 54, 53
35, 37, 38, 55, 54
36, 38, 39, 56, 55
37, 39, 40, 57, 56
38, 40, 41, 58, 57
39, 41, 42, 59, 58
40, 42, 43, 60, 59
41, 43, 44, 61, 60
42, 44, 45, 62, 61
43, 45, 46, 63, 62
44, 46, 47, 64, 63
45, 47, 48, 65, 64
46, 48, 49, 66, 65
47, 49, 50, 67, 66
48, 50, 51, 68, 67
49, 52, 53, 70, 69
50, 53, 54, 71, 70
51, 54, 55, 72, 71
52, 55, 56, 73, 72
53, 56, 57, 74, 73
54, 57, 58, 75, 74
55, 58, 59, 76, 75
56, 59, 60, 77, 76
57, 60, 61, 78, 77
58, 61, 62, 79, 78
59, 62, 63, 80, 79
60, 63, 64, 81, 80
61, 64, 65, 82, 81
62, 65, 66, 83, 82
63, 66, 67, 84, 83
64, 67, 68, 85, 84
65, 69, 70, 87, 86
66, 70, 71, 88, 87
67, 71, 72, 89, 88
68, 72, 73, 90, 89
69, 73, 74, 91, 90
70, 74, 75, 92, 91
71, 75, 76, 93, 92
72, 76, 77, 94, 93
73, 77, 78, 95, 94
74, 78, 79, 96, 95
75, 79, 80, 97, 96
76, 80, 81, 98, 97
77, 81, 82, 99, 98
78, 82, 83, 100, 99
79, 83, 84, 101, 100
80, 84, 85, 102, 101
81, 86, 87, 104, 103
82, 87, 88, 105, 104
83, 88, 89, 106, 105
84, 89, 90, 107, 106
85, 90, 91, 108, 107
86, 91, 92, 109, 108
87, 92, 93, 110, 109
88, 93, 94, 111, 110
89, 94, 95, 112, 111
90, 95, 96, 113, 112
91, 96, 97, 114, 113
92, 97, 98, 115, 114
93, 98, 99, 116, 115
94, 99, 100, 117, 116
95, 100, 101, 118, 117
96, 101, 102, 119, 118
97, 103, 104, 121, 120
98, 104, 105, 122, 121
99, 105, 106, 123, 122
100, 106, 107, 124, 123
101, 107, 108, 125, 124
102, 108, 109, 126, 125
103, 109, 110, 127, 126
104, 110, 111, 128, 127
105, 111, 112, 129, 128
106, 112, 113, 130, 129
107, 113, 114, 131, 130
108, 114, 115, 132, 131
109, 115, 116, 133, 132
110, 116, 117, 134, 133
111, 117, 118, 135, 134
112, 118, 119, 136, 135
113, 120, 121, 138, 137
114, 121, 122, 139, 138
115, 122, 123, 140, 139
116, 123, 124, 141, 140
117, 124, 125, 142, 141
118, 125, 126, 143, 142
119, 126, 127, 144, 143
120, 127, 128, 145, 144
121, 128, 129, 146, 145
122, 129, 130, 147, 146
123, 130, 131, 148, 147
124, 131, 132, 149, 148
125, 132, 133, 150, 149
126, 133, 134, 151, 150
127, 134, 135, 152, 151
128, 135, 136, 153, 152
129, 137, 138, 155, 154
130, 138, 139, 156, 155
131, 139, 140, 157, 156
132, 140, 141, 158, 157
133, 141, 142, 159, 158
134, 142, 143, 160, 159
135, 143, 144, 161, 160
136, 144, 145, 162, 161
137, 145, 146, 163, 162
138, 146, 147, 164, 163
139, 147, 148, 165, 164
140, 148, 149, 166, 165
141, 149, 150, 167, 166
142, 150, 151, 168, 167
143, 151, 152, 169, 168
144, 152, 153, 170, 169
145, 154, 155, 172, 171
146, 155, 156, 173, 172
147, 156, 157, 174, 173
148, 157, 158, 175, 174
149, 158, 159, 176, 175
150, 159, 160, 177, 176
151, 160, 161, 178, 177
152, 161, 162, 179, 178
153, 162, 163, 180, 179
154, 163, 164, 181, 180
155, 164, 165, 182, 181
156, 165, 166, 183, 182
157, 166, 167, 184, 183
158, 167, 168, 185, 184
159, 168, 169, 186, 185
160, 169, 170, 187, 186
161, 171, 172, 189, 188
162, 172, 173, 190, 189
163, 173, 174, 191, 190
164, 174, 175, 192, 191
165, 175, 176, 193, 192
166, 176, 177, 194, 193
167, 177, 178, 195, 194
168, 178, 179, 196, 195
169, 179, 180, 197, 196
170, 180, 181, 198, 197
171, 181, 182, 199, 198
172, 182, 183, 200, 199
173, 183, 184, 201, 200
174, 184, 185, 202, 201
175, 185, 186, 203, 202
176, 186, 187, 204, 203
177, 188, 189, 206, 205
178, 189, 190, 207, 206
179, 190, 191, 208, 207
180, 191, 192, 209, 208
181, 192, 193, 210, 209
182, 193, 194, 211, 210
183, 194, 195, 212, 211
184, 195, 196, 213, 212
185, 196, 197, 214, 213
186, 197, 198, 215, 214
187, 198, 199, 216, 215
188, 199, 200, 217, 216
189, 200, 201, 218, 217
190, 201, 202, 219, 218
191, 202, 203, 220, 219
192, 203, 204, 221, 220
193, 205, 206, 223, 222
194, 206, 207, 224, 223
195, 207, 208, 225, 224
196, 208, 209, 226, 225
197, 209, 210, 227, 226
198, 210, 211, 228, 227
199, 211, 212, 229, 228
200, 212, 213, 230, 229
201, 213, 214, 231, 230
202, 214, 215, 232, 231
203, 215, 216, 233, 232
204, 216, 217, 234, 233
205, 217, 218, 235, 234
206, 218, 219, 236, 235
207, 219, 220, 237, 236
208, 220, 221, 238, 237
209, 222, 223, 240, 239
210, 223, 224, 241, 240
211, 224, 225, 242, 241
212, 225, 226, 243, 242
213, 226, 227, 244, 243
214, 227, 228, 245, 244
215, 228, 229, 246, 245
216, 229, 230, 247, 246
217, 230, 231, 248, 247
218, 231, 232, 249, 248
219, 232, 233, 250, 249
220, 233, 234, 251, 250
221, 234, 235, 252, 251
222, 235, 236, 253, 252
223, 236, 237, 254, 253
224, 237, 238, 255, 254
225, 239, 240, 257, 256
226, 240, 241, 258, 257
227, 241, 242, 259, 258
228, 242, 243, 260, 259
229, 243, 244, 261, 260
230, 244, 245, 262, 261
231, 245, 246, 263, 262
232, 246, 247, 264, 263
233, 247, 248, 265, 264
234, 248, 249, 266, 265
235, 249, 250, 267, 266
236, 250, 251, 268, 267
237, 251, 252, 269, 268
238, 252, 253, 270, 269
239, 253, 254, 271, 270
240, 254, 255, 272, 271
241, 256, 257, 274, 273
242, 257, 258, 275, 274
243, 258, 259, 276, 275
244, 259, 260, 277, 276
245, 260, 261, 278, 277
246, 261, 262, 279, 278
247, 262, 263, 280, 279
248, 263, 264, 281, 280
249, 264, 265, 282, 281
250, 265, 266, 283, 282
251, 266, 267, 284, 283
252, 267, 268, 285, 284
253, 268, 269, 286, 285
254, 269, 270, 287, 286
255, 270, 271, 288, 287
256, 271, 272, 289, 288
*SHELL SECTION, ELSET=PID1, MATERIAL=MID1
        12.5,   5
*MATERIAL, NAME=MID1
*ELASTIC, TYPE=ISO
      6.4E+6,     0.3
*NSET,NSET=NODECENTER
 145,
*NSET,NSET=EDGE,GENERATE
 1,17,1
 1,273,17
 17,289,17
 273,289,1
*ELSET, ELSET=ESIDE1, GENERATE
 1,16,1
*ELSET, ELSET=ESIDE2, GENERATE
 16,256,16
*ELSET, ELSET=ESIDE3, GENERATE
 241,256,1
*ELSET, ELSET=ESIDE4, GENERATE
 1,241,16
*SURFACE, NAME=EDGE1
 ESIDE1,E1 
*SURFACE, NAME=EDGE2
 ESIDE2,E2 
*SURFACE, NAME=EDGE3
 ESIDE3,E3 
*SURFACE, NAME=EDGE4
 ESIDE4,E4 
*STEP, INC=1000, NLGEOM
*STATIC,RIKS
         0.01,      1.,   1.E-5,      0.01, 1
*BOUNDARY, OP=NEW
 EDGE, 3,3, 0.
 NODECENTER, 1,2, 0.
 NODECENTER, 6,6, 0.
*DSLOAD, FOLLOWER=NO, CONSTANT RESULTANT=YES
 EDGE1,EDLD,2.12E5,-1., 0., 0.
 EDGE2,EDLD,2.12E5, 0., 1., 0.
 EDGE3,EDLD,2.12E5, 1., 0., 0.
 EDGE4,EDLD,2.12E5, 0.,-1., 0.
*OUTPUT,FIELD,FREQ=999
*NODE OUTPUT
 U,
*OUTPUT,HISTORY,FREQ=1
*NODE OUTPUT,NSET=NODECENTER
 U,
*NODE PRINT,FREQ=999,NSET=NODECENTER
 U3, 
*NODE FILE, FREQ=1,NSET=NODECENTER
 U, 
*EL PRINT,FREQ=0
*END STEP