- 积分
- 6
- 注册时间
- 2003-12-30
- 仿真币
-
- 最后登录
- 1970-1-1
|
楼主 |
发表于 2004-1-4 11:26:22
|
显示全部楼层
来自 湖南长沙
回复: 【寻找】求救(关于弹簧的模拟)
又作了一个类似的,同样出现该情况,一定是质量单元有问题。k文件如下:
很奇怪,我定义的质量单元是4000G,但是k中却是4000000000,定义的加速度曲线是0--10MSEC时刻,k中却是 0.0 -500000.0
10000000.0 -500000.0
不知道哪里除了问题。5555555555555555555555555555555555!
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
$ LS-DYNA(950) DECK WRITTEN BY : eta/FEMB-PC version
$ ENGINEER :
$ PROJECT :
$ UNITS : MM, G, MSEC, N
$ TIME :
$ DATE :
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*KEYWORD
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*TITLE
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
$ $
$ CONTROL CARD $
$ $
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*CONTROL_TERMINATION
$ ENDTIM ENDCYC DTMIN ENDENG ENDMAS
10.0 0 0.0 0.0 0.0
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
$ $
$ DATABASE CONTROL FOR ASCII $
$ $
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*DATABASE_GLSTAT
$ DT
1.0
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
$ $
$ DATABASE CONTROL FOR BINARY $
$ $
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*DATABASE_BINARY_D3PLOT
$ DT/CYCL LCDT BEAM NPLTC
1.0 0 0
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
$ $
$ PART CARDS $
$ $
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*PART
$HEADING
shell
$ PID SECID MID EOSID HGID GRAV ADPOPT TMID
1 1 1 0 0
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
$ $
$ SECTION CARDS $
$ $
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*SECTION_SHELL
$^P-1
$ SECID ELFORM SHRF NIP PROPT QR/IRID ICOMP SETYP
1 1 1.0 2 0.0 0.0 0 1
$ T1 T2 T3 T4 NLOC
2.0 2.0 2.0 2.0 0
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
$ $
$ MATERIAL CARDS $
$ $
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*MAT_ELASTIC
$^M-1
$ MID RO E PR DA DB
1 0.00783 0.27 0.28 0.0 0.0
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
$ $
$ PART SET CARDS $
$ $
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*SET_PART_LIST
$^PART_SET
$ SID DA1 DA2 DA3 DA4
1 0.0 0.0 0.0 0.0
$ PID1 PID2 PID3 PID4 PID5 PID6 PID7 PID8
1 2
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
$ $
$ BOUNDARY PRESCRIBED CARDS $
$ $
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*BOUNDARY_PRESCRIBED_MOTION_NODE
$^PRESCRIBED
$ NID DOF VAD LCID SF VID DEATH BIRTH
32 3 1 1 1.0 1.000E+31 0.0
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
$ $
$ INITIAL VELOCITY CARDS $
$ $
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*INITIAL_VELOCITY_GENERATION
$^VELOCITY
$ ID STYP OMEGA VX VY VZ
1 1 0.0 0.0 0.0 13.0
$ XC YC ZC NX NY NZ PHASE
0.0 0.0 0.0 0.0 0.0 0.0 0
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
$ $
$ LOAD CURVE CARDS $
$ $
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*DEFINE_CURVE
$^LCUR_1
$ LCID SIDR SFA SFO OFFA OFFO DATTYP
1 0 1.0 1.0 0.0 0.0 0
$ A1 O1
0.0 -500000.0
10000000.0 -500000.0
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
$ $
$ NODE INFORMATION $
$ $
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*NODE
$ NID X Y Z TC RC
1 0.0 0.0 0.0 0.0 0.0
2 10.0 0.0 0.0 0.0 0.0
3 20.0 0.0 0.0 0.0 0.0
4 0.0 20.0 0.0 0.0 0.0
5 10.0 20.0 0.0 0.0 0.0
6 20.0 20.0 0.0 0.0 0.0
7 0.0 40.0 0.0 0.0 0.0
8 10.0 40.0 0.0 0.0 0.0
9 20.0 40.0 0.0 0.0 0.0
10 0.0 60.0 0.0 0.0 0.0
11 10.0 60.0 0.0 0.0 0.0
12 20.0 60.0 0.0 0.0 0.0
13 0.0 80.0 0.0 0.0 0.0
14 10.0 80.0 0.0 0.0 0.0
15 20.0 80.0 0.0 0.0 0.0
16 0.0 100.0 0.0 0.0 0.0
17 10.0 100.0 0.0 0.0 0.0
18 20.0 100.0 0.0 0.0 0.0
19 0.0 120.0 0.0 0.0 0.0
20 10.0 120.0 0.0 0.0 0.0
21 20.0 120.0 0.0 0.0 0.0
22 0.0 140.0 0.0 0.0 0.0
23 10.0 140.0 0.0 0.0 0.0
24 20.0 140.0 0.0 0.0 0.0
25 0.0 160.0 0.0 0.0 0.0
26 10.0 160.0 0.0 0.0 0.0
27 20.0 160.0 0.0 0.0 0.0
28 0.0 180.0 0.0 0.0 0.0
29 10.0 180.0 0.0 0.0 0.0
30 20.0 180.0 0.0 0.0 0.0
31 0.0 200.0 0.0 0.0 0.0
32 10.0 200.0 0.0 0.0 0.0
33 20.0 200.0 0.0 0.0 0.0
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
$ $
$ ELEMENTS INFORMATION $
$ $
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
$ $
$ MASS ELEMENTS $
$ $
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*ELEMENT_MASS
$ EID NID MASS
21 32 4000000000.0
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
$ $
$ SHELL ELEMENTS $
$ $
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*ELEMENT_SHELL
$ EID PID NID1 NID2 NID3 NID4
1 1 1 4 5 2
2 1 2 5 6 3
3 1 4 7 8 5
4 1 5 8 9 6
5 1 7 10 11 8
6 1 8 11 12 9
7 1 10 13 14 11
8 1 11 14 15 12
9 1 13 16 17 14
10 1 14 17 18 15
11 1 16 19 20 17
12 1 17 20 21 18
13 1 19 22 23 20
14 1 20 23 24 21
15 1 22 25 26 23
16 1 23 26 27 24
17 1 25 28 29 26
18 1 26 29 30 27
19 1 28 31 32 29
20 1 29 32 33 30
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*END |
|