求各路大神指点 dyna计算没有 N o r m a l t e r m i n a t ? 50

浏览:3297 回答:10

正常dyna计算应该有termination 这个计算怎么没有也没有产生错误,是否是时间步长的问题。

 E:\work\s\model\5-24\assem.key


 Open include file: 01_controls.k


 Open include file: 03_gravity.k


 Open include file: S_M_1.k


 Open include file: 02_rail_coarse.k


 *** Warning 10170 (KEY+170)

     duplicate node ID 5020422


 *** Warning 10170 (KEY+170)

     duplicate node ID 5021468


 *** Warning 10170 (KEY+170)

     duplicate node ID 5021469


 *** Warning 10170 (KEY+170)

     duplicate node ID 5091839


 *** Warning 10170 (KEY+170)

     duplicate node ID 5091840


 *** Warning 10170 (KEY+170)

     duplicate node ID 5091841


 *** Warning 10172 (KEY+172)

           6 duplicate nodes deleted


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 1


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 7


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 13


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 19


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 25


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 31


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 37


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 43


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 49


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 50


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 51


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 52


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 53


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 54


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 55


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 57


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 61


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 63


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 66


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 67


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 72


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 74


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 77


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 80


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 84


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 87


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 90


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 94


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 98


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 100


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 104


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 107


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 109


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 115


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 121


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 122


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 123


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 139


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 147


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 153


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 164


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 168


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 169


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 172


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 174


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 176


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 180


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 182


 *** Warning 10177 (KEY+177)

     nodal rigid body and part share the same ID 183


     Message 10177 (KEY+177) exceeds 50 times

     Further printing will be suppressed from screen only

     You can change the limit (MSGMAX) at field 4 of card 2 of *CONTROL_OUTPUT


 Memory required to process keyword     :    294083182


 *** Warning 21129 (STR+1129)

     shell element, ID= 71736 violates heuristic shape criterion

     area/(longest diagonal)/(longest diagonal) equals: 9.9936E-02

     which may be too small (< 0.1) to permit a stable calculation.


 *** Warning 21129 (STR+1129)

     shell element, ID= 75542 violates heuristic shape criterion

     area/(longest diagonal)/(longest diagonal) equals: 9.4949E-02

     which may be too small (< 0.1) to permit a stable calculation.


 *** Warning 21129 (STR+1129)

     shell element, ID= 75543 violates heuristic shape criterion

     area/(longest diagonal)/(longest diagonal) equals: 9.5098E-02

     which may be too small (< 0.1) to permit a stable calculation.


 *** Warning 20282 (STR+282)

     warpage angle of element ID= 1273441 is computed as 4.0980E+01 degrees.


 *** Warning 21129 (STR+1129)

     shell element, ID= 2169949 violates heuristic shape criterion

     area/(longest diagonal)/(longest diagonal) equals: 9.3599E-02

     which may be too small (< 0.1) to permit a stable calculation.


 *** Warning 21129 (STR+1129)

     shell element, ID= 2170119 violates heuristic shape criterion

     area/(longest diagonal)/(longest diagonal) equals: 9.6718E-02

     which may be too small (< 0.1) to permit a stable calculation.


 *** Warning 21129 (STR+1129)

     shell element, ID= 2170637 violates heuristic shape criterion

     area/(longest diagonal)/(longest diagonal) equals: 8.9153E-02

     which may be too small (< 0.1) to permit a stable calculation.


 *** Warning 21129 (STR+1129)

     shell element, ID= 2171062 violates heuristic shape criterion

     area/(longest diagonal)/(longest diagonal) equals: 9.8608E-02

     which may be too small (< 0.1) to permit a stable calculation.


 *** Warning 21129 (STR+1129)

     shell element, ID= 2171371 violates heuristic shape criterion

     area/(longest diagonal)/(longest diagonal) equals: 9.1302E-02

     which may be too small (< 0.1) to permit a stable calculation.


 *** Warning 21129 (STR+1129)

     shell element, ID= 2171496 violates heuristic shape criterion

     area/(longest diagonal)/(longest diagonal) equals: 8.3178E-02

     which may be too small (< 0.1) to permit a stable calculation.


 *** Warning 21129 (STR+1129)

     shell element, ID= 2171833 violates heuristic shape criterion

     area/(longest diagonal)/(longest diagonal) equals: 9.6692E-02

     which may be too small (< 0.1) to permit a stable calculation.


 *** Warning 21129 (STR+1129)

     shell element, ID= 2476517 violates heuristic shape criterion

     area/(longest diagonal)/(longest diagonal) equals: 8.3438E-02

     which may be too small (< 0.1) to permit a stable calculation.


 *** Warning 21129 (STR+1129)

     shell element, ID= 2476581 violates heuristic shape criterion

     area/(longest diagonal)/(longest diagonal) equals: 8.0407E-02

     which may be too small (< 0.1) to permit a stable calculation.


 *** Warning 21129 (STR+1129)

     shell element, ID= 2477298 violates heuristic shape criterion

     area/(longest diagonal)/(longest diagonal) equals: 8.0690E-02

     which may be too small (< 0.1) to permit a stable calculation.


 *** Warning 21129 (STR+1129)

     shell element, ID= 2549471 violates heuristic shape criterion

     area/(longest diagonal)/(longest diagonal) equals: 8.1710E-02

     which may be too small (< 0.1) to permit a stable calculation.


 *** Warning 21129 (STR+1129)

     shell element, ID= 2549901 violates heuristic shape criterion

     area/(longest diagonal)/(longest diagonal) equals: 8.3471E-02

     which may be too small (< 0.1) to permit a stable calculation.


 *** Warning 21129 (STR+1129)

     shell element, ID= 2549930 violates heuristic shape criterion

     area/(longest diagonal)/(longest diagonal) equals: 8.0441E-02

     which may be too small (< 0.1) to permit a stable calculation.


 *** Warning 20289 (STR+289)

     Number of elements exceed warpage angle = 1

       min warpage angle = 4.0980E+01

       max warpage angle = 4.0980E+01


 input of data is completed


 *** Warning 30226 (INI+226)

     node 1 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 2 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 3 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 4 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 5 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 6 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 7 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 8 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 9 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 10 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 11 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 12 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 13 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 14 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 15 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 16 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 17 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 18 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 19 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 20 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 21 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 22 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 23 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 24 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 25 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 26 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 27 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 28 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 29 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 30 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 31 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 32 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 33 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 34 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 35 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 36 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 37 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 38 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 39 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 40 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 41 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 42 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 43 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 44 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 45 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 46 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 47 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 48 (rigidwall 1) init. penetration= 4.0980E+01


 *** Warning 30226 (INI+226)

     node 49 (rigidwall 1) init. penetration= 4.0980E+01


     Message 30226 (INI+226) exceeds 50 times

     Further printing will be suppressed from screen only

     You can change the limit (MSGMAX) at field 4 of card 2 of *CONTROL_OUTPUT


 initial kinetic energy = 0.49793461E+05


 *** Warning 30313 (INI+313)

     Number of warning messages for rigid bodies

     Have a principal inertia at least 4 orders of magnitude apart=       30434

     2-noded nodal rigid body is deleted due to massless node     =           0

     Nodal rigid body deleted due to null inertia tensor          =           0


 *** Warning 30131 (INI+131)

     total number of massless nodes = 12307


 total nodal rigid body mass= 1.9200516E+00


 The LS-DYNA time step size should not exceed     1.500E-07

 to avoid contact instabilities.  If the step size is

 bigger then scale the penalty of the offending surface.


 Memory required to begin solution      :    659896221

 Additional dynamically allocated memory:    566751203

                                   Total:   1226647424


 initialization completed


 summary of initial penetration for interface #=          20

   number of warning messages                  =       13432

   number of penetrating nodes                 =       13432

   number of penetrating node eliminated       =           0

   min penetration distance                    =  5.1672E-02

   max penetration distance                    =  6.7359E+00


 calculation with mass scaling for minimum dt

    added mass   =   4.2077E-02

    physical mass=   1.2024E+02

    ratio        =   3.4994E-04


 dt of cycle       1 is controlled by dt2ms

 time...........................   0.00000E+00

 time step......................   8.00000E-07

 kinetic energy.................   3.75696E+04

 internal energy................   1.00000E-20

 stonewall energy...............   2.84913E+06 wall#    1

 spring and damper energy.......   1.00000E-20

 joint internal energy..........   0.00000E+00

 hourglass energy ..............   0.00000E+00

 system damping energy..........   0.00000E+00

 sliding interface energy.......   0.00000E+00

 external work..................   0.00000E+00

 eroded kinetic energy..........   0.00000E+00

 eroded internal energy.........   0.00000E+00

 eroded hourglass energy........   0.00000E+00

 total energy...................   2.88670E+06

 total energy / initial energy..   7.68643E+01

 energy ratio w/o eroded energy.   7.68643E+01

 global x velocity..............   2.08342E+01

 global y velocity..............   0.00000E+00

 global z velocity..............   0.00000E+00


 number of shell elements that

 reached the minimum time step..    0

       1 t 0.0000E+00 dt 8.00E-07 flush i/o buffers            05/24/17 16:08:42

       1 t 0.0000E+00 dt 8.00E-07 write d3plot file            05/24/17 16:08:42


 Deformable Spotwelds:

 total added spotweld mass            =   1.8207E-10

 percentage mass increase             =   1.5142E-10


 cpu time per zone cycle............       207 nanoseconds

 average cpu time per zone cycle....       319 nanoseconds

 average clock time per zone cycle..       312 nanoseconds


 estimated total cpu time          =   3864350 sec (    1073 hrs 25 mins)

 estimated cpu time to complete    =   3863620 sec (    1073 hrs 13 mins)

 estimated total clock time        =   3772979 sec (    1048 hrs  2 mins)

 estimated clock time to complete  =   3772249 sec (    1047 hrs 50 mins)


 added mass          =   5.5561E-02

 percentage increase =   4.6208E-02


 termination time                  = 2.000E+00



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(6)
默认 最新
奈文摩尔
是的,模型有问题,dupulicate点都报出来了,找找相关的part看看
2017年5月25日
评论 点赞 1
TechmanLXS

这是初始化的预估,你等他跑一下再估一下。

2020年9月23日
评论 点赞
愿随风散去

老哥,问题解决了吗,是哪里出错了,我似乎碰到一样的问题了

2020年9月23日
评论 点赞
FEM小生
你的模型估计重合面或者重合点之类的太多了吧,导致计算时间很长。而且你的网格我猜你是自动划分的吧,网格质量很差。
2017年5月25日
评论 1 点赞
周游
你这个显示1000加的小时还能正常结束啊,模型问题应该不小
2017年5月24日
已采纳 评论 2 点赞
技术工
@dyna_focus @蓝牙@奈文摩尔
2017年5月24日
评论 1 点赞

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