ELOAD,P3,200000
these is the way
*NODE, NSET=Nbeam
1,-5.000000000000e-01,5.000000000000e-01,0.000000000000e+00
2,0.000000000000e+00,5.000000000000e-01,0.000000000000e+00
3,0.000000000000e+00,5.000000000000e-01,1.000000000000e+00
4,-5.000000000000e-01,5.000000000000e-01,1.000000000000e+00
5,-5.000000000000e-01,0.000000000000e+00,0.000000000000e+00
6,0.000000000000e+00,0.000000000000e+00,0.000000000000e+00
7,0.000000000000e+00,0.000000000000e+00,1.000000000000e+00
8,-5.000000000000e-01,0.000000000000e+00,1.000000000000e+00
9,0.000000000000e+00,5.000000000000e-01,2.000000000000e+00
10,-5.000000000000e-01,5.000000000000e-01,2.000000000000e+00
11,0.000000000000e+00,0.000000000000e+00,2.000000000000e+00
12,-5.000000000000e-01,0.000000000000e+00,2.000000000000e+00
13,0.000000000000e+00,5.000000000000e-01,3.000000000000e+00
14,-5.000000000000e-01,5.000000000000e-01,3.000000000000e+00
15,0.000000000000e+00,0.000000000000e+00,3.000000000000e+00
16,-5.000000000000e-01,0.000000000000e+00,3.000000000000e+00
17,0.000000000000e+00,5.000000000000e-01,4.000000000000e+00
18,-5.000000000000e-01,5.000000000000e-01,4.000000000000e+00
19,0.000000000000e+00,0.000000000000e+00,4.000000000000e+00
20,-5.000000000000e-01,0.000000000000e+00,4.000000000000e+00
21,0.000000000000e+00,5.000000000000e-01,5.000000000000e+00
22,-5.000000000000e-01,5.000000000000e-01,5.000000000000e+00
23,0.000000000000e+00,0.000000000000e+00,5.000000000000e+00
24,-5.000000000000e-01,0.000000000000e+00,5.000000000000e+00
25,0.000000000000e+00,5.000000000000e-01,6.000000000000e+00
26,-5.000000000000e-01,5.000000000000e-01,6.000000000000e+00
27,0.000000000000e+00,0.000000000000e+00,6.000000000000e+00
28,-5.000000000000e-01,0.000000000000e+00,6.000000000000e+00
29,0.000000000000e+00,5.000000000000e-01,7.000000000000e+00
30,-5.000000000000e-01,5.000000000000e-01,7.000000000000e+00
31,0.000000000000e+00,0.000000000000e+00,7.000000000000e+00
32,-5.000000000000e-01,0.000000000000e+00,7.000000000000e+00
33,0.000000000000e+00,5.000000000000e-01,8.000000000000e+00
34,-5.000000000000e-01,5.000000000000e-01,8.000000000000e+00
35,0.000000000000e+00,0.000000000000e+00,8.000000000000e+00
36,-5.000000000000e-01,0.000000000000e+00,8.000000000000e+00
37,-5.000000000000e-01,-5.000000000000e-01,0.000000000000e+00
38,0.000000000000e+00,-5.000000000000e-01,0.000000000000e+00
39,0.000000000000e+00,-5.000000000000e-01,1.000000000000e+00
40,-5.000000000000e-01,-5.000000000000e-01,1.000000000000e+00
41,0.000000000000e+00,-5.000000000000e-01,2.000000000000e+00
42,-5.000000000000e-01,-5.000000000000e-01,2.000000000000e+00
43,0.000000000000e+00,-5.000000000000e-01,3.000000000000e+00
44,-5.000000000000e-01,-5.000000000000e-01,3.000000000000e+00
45,0.000000000000e+00,-5.000000000000e-01,4.000000000000e+00
46,-5.000000000000e-01,-5.000000000000e-01,4.000000000000e+00
47,0.000000000000e+00,-5.000000000000e-01,5.000000000000e+00
48,-5.000000000000e-01,-5.000000000000e-01,5.000000000000e+00
49,0.000000000000e+00,-5.000000000000e-01,6.000000000000e+00
50,-5.000000000000e-01,-5.000000000000e-01,6.000000000000e+00
51,0.000000000000e+00,-5.000000000000e-01,7.000000000000e+00
52,-5.000000000000e-01,-5.000000000000e-01,7.000000000000e+00
53,0.000000000000e+00,-5.000000000000e-01,8.000000000000e+00
54,-5.000000000000e-01,-5.000000000000e-01,8.000000000000e+00
55,5.000000000000e-01,5.000000000000e-01,0.000000000000e+00
56,5.000000000000e-01,5.000000000000e-01,1.000000000000e+00
57,5.000000000000e-01,0.000000000000e+00,0.000000000000e+00
58,5.000000000000e-01,0.000000000000e+00,1.000000000000e+00
59,5.000000000000e-01,5.000000000000e-01,2.000000000000e+00
60,5.000000000000e-01,0.000000000000e+00,2.000000000000e+00
61,5.000000000000e-01,5.000000000000e-01,3.000000000000e+00
62,5.000000000000e-01,0.000000000000e+00,3.000000000000e+00
63,5.000000000000e-01,5.000000000000e-01,4.000000000000e+00
64,5.000000000000e-01,0.000000000000e+00,4.000000000000e+00
65,5.000000000000e-01,5.000000000000e-01,5.000000000000e+00
66,5.000000000000e-01,0.000000000000e+00,5.000000000000e+00
67,5.000000000000e-01,5.000000000000e-01,6.000000000000e+00
68,5.000000000000e-01,0.000000000000e+00,6.000000000000e+00
69,5.000000000000e-01,5.000000000000e-01,7.000000000000e+00
70,5.000000000000e-01,0.000000000000e+00,7.000000000000e+00
71,5.000000000000e-01,5.000000000000e-01,8.000000000000e+00
72,5.000000000000e-01,0.000000000000e+00,8.000000000000e+00
73,5.000000000000e-01,-5.000000000000e-01,0.000000000000e+00
74,5.000000000000e-01,-5.000000000000e-01,1.000000000000e+00
75,5.000000000000e-01,-5.000000000000e-01,2.000000000000e+00
76,5.000000000000e-01,-5.000000000000e-01,3.000000000000e+00
77,5.000000000000e-01,-5.000000000000e-01,4.000000000000e+00
78,5.000000000000e-01,-5.000000000000e-01,5.000000000000e+00
79,5.000000000000e-01,-5.000000000000e-01,6.000000000000e+00
80,5.000000000000e-01,-5.000000000000e-01,7.000000000000e+00
81,5.000000000000e-01,-5.000000000000e-01,8.000000000000e+00
*ELEMENT, TYPE=C3D8, ELSET=Ebeam
1, 1, 2, 3, 4, 5, 6, 7, 8
2, 4, 3, 9, 10, 8, 7, 11, 12
3, 10, 9, 13, 14, 12, 11, 15, 16
4, 14, 13, 17, 18, 16, 15, 19, 20
5, 18, 17, 21, 22, 20, 19, 23, 24
6, 22, 21, 25, 26, 24, 23, 27, 28
7, 26, 25, 29, 30, 28, 27, 31, 32
8, 30, 29, 33, 34, 32, 31, 35, 36
9, 5, 6, 7, 8, 37, 38, 39, 40
10, 8, 7, 11, 12, 40, 39, 41, 42
11, 12, 11, 15, 16, 42, 41, 43, 44
12, 16, 15, 19, 20, 44, 43, 45, 46
13, 20, 19, 23, 24, 46, 45, 47, 48
14, 24, 23, 27, 28, 48, 47, 49, 50
15, 28, 27, 31, 32, 50, 49, 51, 52
16, 32, 31, 35, 36, 52, 51, 53, 54
17, 2, 55, 56, 3, 6, 57, 58, 7
18, 3, 56, 59, 9, 7, 58, 60, 11
19, 9, 59, 61, 13, 11, 60, 62, 15
20, 13, 61, 63, 17, 15, 62, 64, 19
21, 17, 63, 65, 21, 19, 64, 66, 23
22, 21, 65, 67, 25, 23, 66, 68, 27
23, 25, 67, 69, 29, 27, 68, 70, 31
24, 29, 69, 71, 33, 31, 70, 72, 35
25, 6, 57, 58, 7, 38, 73, 74, 39
26, 7, 58, 60, 11, 39, 74, 75, 41
27, 11, 60, 62, 15, 41, 75, 76, 43
28, 15, 62, 64, 19, 43, 76, 77, 45
29, 19, 64, 66, 23, 45, 77, 78, 47
30, 23, 66, 68, 27, 47, 78, 79, 49
31, 27, 68, 70, 31, 49, 79, 80, 51
32, 31, 70, 72, 35, 51, 80, 81, 53
*NSET,NSET=Nfix
1, 2, 5, 6, 37, 38, 55, 57, 73,
*ELSET,ELSET=Eload
9, 10 ,11, 12, 13, 14, 15, 16
25, 26 ,27, 28, 29, 30, 31, 32
*MATERIAL,NAME=EL
*ELASTIC
2e6,0.3
*SOLID SECTION,ELSET=Ebeam,MATERIAL=EL
*DENSITY
7.86E-9
*BOUNDARY
Nfix,1,3,0
*STEP
*STATIC
*DLOAD
**Ebeam,GRAV,9810.,0.,0.,-1.
Eload,P2,10
*NODE FILE
U
*EL FILE
S
*END STEP
maybe you should start more simple