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请教Midas Civil弯梁的建模问题

发布者: wnbaggio | 发布时间: 2018-11-25 15:45| 查看数: 7962| 评论数: 5|帖子模式

我建了一个弯梁的模型,两端节点采用双支座模拟,从节点都定义了局部坐标。运行之后,信息窗口中显示了以下信息:

MULTI-FRONTAL SOLVERAVAILABLE MEMORY =    1.4 GBYTES
ENTRY PHASE FOR RENUMBERING
ENTRY NUMBERING_EQN
ENTRY FORM_STIFF_MASS_LOAD
THE INDIVIDUAL ELEMENT STIFFNESS AND LOAD MATRICES WILL NOW BE FORMED.
  ELEMENT NO. :     26  OF      26
ENTRY SOLUTION PHASE
ENTRY LOAD_BLOCK
TOTAL NUMBER OF VALID DOFS IN MODEL :     162
ENTRY ASSM_STIFF_LOAD ( FORM GLOBAL EQUILIBRIUM EQUATIONS IN BLOCKS )

ENTRY STATIC ANALYSIS
  MULTI-FRONTAL SOLUTION HAS BEEN PERFORMED 90 % .
WARNING : NODE NO.     14  RZ  DOF MAY BE SINGULAR.
WARNING : EQUATION NO.        84
WARNING : NODE NO.     14  DX  DOF MAY BE SINGULAR.
WARNING : EQUATION NO.        79
WARNING : NODE NO.     14  DY  DOF MAY BE SINGULAR.
WARNING : EQUATION NO.        80
WARNING : NODE NO.     14  RY  DOF MAY BE SINGULAR.
  MULTI-FRONTAL SOLUTION HAS BEEN COMPLETED.     
  DISPLACEMENT/FORCE/STRESS OUTPUT.
WARNING : DISPLACEMENT DZ AT NODE NO.      1 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.      1 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.      1 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.      2 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.      2 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.      2 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.      3 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.      3 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.      3 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.      4 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.      4 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.      4 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.      5 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.      5 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.      5 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.      6 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.      6 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.      6 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.      7 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.      7 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.      7 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.      8 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.      8 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.      8 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.      9 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.      9 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.      9 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.     10 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.     10 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.     10 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.     11 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.     11 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.     11 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.     12 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.     12 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.     12 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.     13 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.     13 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.     13 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.     14 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.     14 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.     14 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.     15 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.     15 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.     15 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.     16 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.     16 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.     16 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.     17 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.     17 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.     17 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.     18 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.     18 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.     18 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.     19 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.     19 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.     19 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.     20 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.     20 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.     20 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.     21 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.     21 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.     21 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.     22 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.     22 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.     22 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.     23 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.     23 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.     23 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.     24 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.     24 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.     24 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.     25 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.     25 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.     25 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.     26 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.     26 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.     26 IS ABNORMAL.
WARNING : DISPLACEMENT DZ AT NODE NO.     27 IS ABNORMAL.
WARNING : DISPLACEMENT RX AT NODE NO.     27 IS ABNORMAL.
WARNING : DISPLACEMENT RY AT NODE NO.     27 IS ABNORMAL.
  ELEM. :     26 OF      26


很郁闷,不知道哪里出了问题。我把模型发上来,请各位指点迷津,赐教一下弯梁的建模技巧。
谢谢大家!
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弯梁模型.rar

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最新评论

刘山QQ 发表于 2018-11-26 08:39:18
边界条件的问题吧,全部固结是计算不了的

点评

不是全部固结的,没有约束弯矩。  详情 回复 发表于 2018-11-26 09:41
wnbaggio 发表于 2018-11-26 09:41:18
刘山QQ 发表于 2018-11-26 08:39
边界条件的问题吧,全部固结是计算不了的

不是全部固结的,没有约束弯矩。
y312366402 发表于 2019-4-16 19:12:23
支座的三个方向都是1是不是有问题,不能这样做的吧。
tenten1 发表于 2019-5-2 11:37:52
是定义了施工阶段之后出现的错误吗?
pbghost 发表于 2019-8-20 12:30:15
边界条件问题吧。。三方面固定不行哦
 
 
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