速度溢出

我在爆炸冲击时，出现了速度溢出的错误提示，时间步长我从0.55-0.75试了一下，都未能解决，请有这方面经验的专家老师给予指导，先谢谢了！下面附上错误提示以及k文件
| |
| Livermore Software Technology Corporation |
| |
| 7374 Las Positas Road |
| Livermore, CA 94551 |
| Tel: (925) 449-2500 Fax: (925) 449-2507 |
| www.lstc.com |
|_________________________________________________|
| |
| LS-DYNA, A Program for Nonlinear Dynamic |
| Analysis of Structures in Three Dimensions |
| Version : ls971s R4.2 Date: 02/04/2009 |
| Revision: 50638 Time: 07:58:32 |
| |
| Features enabled in this version: |
| Shared Memory Parallel |
| ANSYS Database format |
| ANSYS License (ans110) |
| |
| Licensed to: |
| |
| Platform : PC WINX64 |
| OS Level : SP1 B7601P/SRV 2003 X64 |
| Compiler : Intel Fortran Compiler 10.1 |
| Hostname : Lenovo-PC |
| Precision : Single precision (I4R4) |
| Product ID : 50777 |
| |
| Unauthorized use infringes LSTC copyrights |
|_________________________________________________|
Input file: e:\mabin\fcg\3\armature.k
The native file format : 32-bit small endian
Memory size from command line: 320000000
expanding memory to 320000000 starting ls-dyna
******** notice ******** notice ******** notice ********
* *
* This is the LS-DYNA Finite Element code. *
* *
* Neither LSTC nor the authors assume any responsibility for *
* the validity, accuracy, or applicability of any results *
* obtained from this system. The user must verify his own *
* results. *
* *
* LSTC endeavors to make the LS-DYNA code as complete, *
* accurate and easy to use as possible. *
* Suggestions and comments are welcomed. Please report any *
* errors encountered in either the documentation or results *
* immediately to LSTC through your site focus. *
* *
* Copyright (C) 1990-2009 *
* by Livermore Software Technology Corp. (LSTC) *
* All rights reserved *
* *
******** notice ******** notice ******** notice ********
contracting memory to 1 beginning of keyword reader
expanding memory to 21002
expanding memory to 3024792
expanding memory to 11528352
expanding memory to 11558352
expanding memory to 11618352
expanding memory to 13511839
expanding memory to 15395519
expanding memory to 15415726
expanding memory to 15435726
expanding memory to 15455726
expanding memory to 15475726
expanding memory to 15495726
expanding memory to 15515726
expanding memory to 15535726
expanding memory to 15555726
expanding memory to 15575726
expanding memory to 15595726
expanding memory to 15615726
expanding memory to 15635726
expanding memory to 15655726
expanding memory to 16155361
expanding memory to 16654886
expanding memory to 22149661
expanding memory to 22649186
expanding memory to 31107746
expanding memory to 31607271
expanding memory to 31629271
expanding memory to 31651271
expanding memory to 31673271
expanding memory to 31695271
expanding memory to 31717271
expanding memory to 31739271
expanding memory to 31761271
expanding memory to 31783271
expanding memory to 31805271
expanding memory to 31827271
expanding memory to 31849271
expanding memory to 31871271
expanding memory to 31893271
expanding memory to 31915271
expanding memory to 31937271
expanding memory to 31959271
expanding memory to 31981271
expanding memory to 32003271
expanding memory to 32025271
expanding memory to 32047271
expanding memory to 32069271
expanding memory to 32091271
expanding memory to 32113271
expanding memory to 32135271
expanding memory to 32157271
expanding memory to 32212856
expanding memory to 32262941
expanding memory to 32809312
CHECKING MATERIAL INPUT Part ID= 1
*** Warning The default hourglass properties of the following
ALE part are being modified to avoid unnecessary
application of hourglass forces.
Resetting coefficient qm=1.0e-6.
PART ID 1 with
MATERIAL ID 1 and
EOS ID 1
This is PART 1 in the order of input.
CHECKING MATERIAL INPUT Part ID= 2
*** Warning The default hourglass properties of the following
ALE part are being modified to avoid unnecessary
application of hourglass forces.
Resetting coefficient qm=1.0e-6.
PART ID 2 with
MATERIAL ID 2 and
EOS ID 2
This is PART 2 in the order of input.
CHECKING MATERIAL INPUT Part ID= 3
*** Warning The default hourglass properties of the following
ALE part are being modified to avoid unnecessary
application of hourglass forces.
Resetting coefficient qm=1.0e-6.
PART ID 3 with
MATERIAL ID 3 and
EOS ID 3
This is PART 3 in the order of input.
CHECKING MATERIAL INPUT Part ID= 4
*** Warning The default hourglass properties of the following
ALE part are being modified to avoid unnecessary
application of hourglass forces.
Resetting coefficient qm=1.0e-6.
PART ID 4 with
MATERIAL ID 4 and
EOS ID 4
This is PART 4 in the order of input.
Memory required to process keyword : 32809312
contracting memory to 1 end of keyword reader
LS-DYNA will perform a structural only analysis
LS-DYNA user input
ls-dyna ls971s.50638 R4.2 date 02/04/2009
expanding memory to 2833 material, node and element data
expanding memory to 2915 material properties
expanding memory to 5671575 element data
expanding memory to 6820896 gradient of damage data
expanding memory to 13869822 user control for contact interfaces
expanding memory to 13869827 for boundary cond. vectorization
expanding memory to 14339722 arbitrary element numbering input
expanding memory to 14871522 spc cards
expanding memory to 41252005 process element material data
expanding memory to 41254006 load curve data
contracting memory to 41252207 regularize time history data
contracting memory to 41252207 rigidwall definitions
expanding memory to 41772475 nodal constraint sets
expanding memory to 45528611 contact interfaces
expanding memory to 50756941 mass scaling with ale
expanding memory to 52255516 ALE neighboring info
expanding memory to 151509876 ALE multimaterial storage
expanding memory to 151510876 contact segment data 1
expanding memory to 156768811 contact segment data 3
expanding memory to 157554392 contact definition
expanding memory to 159053411 rigid body
contracting memory to 157555263 contact friction
expanding memory to 157555323 joints
contracting memory to 157555323 shell solid interfaces
contracting memory to 157555323 accelerometers
expanding memory to 157555423 rigid bodies for disp. termination
contracting memory to 157555423 transformation to move nodes
expanding memory to 159785067 ale reference system
expanding memory to 161783243 void materials
expanding memory to 161783247 thermal expansion 0
expanding memory to 161783251 flexible body 2
contracting memory to 161783251 implicit joints
s t o r a g e a l l o c a t i o n
Memory required to begin solution : 161783251
Additional dynamically allocated memory: 16337422
Total: 178120673
1 t 0.0000E+00 dt 2.62E-02 flush i/o buffers
1 t 0.0000E+00 dt 2.62E-02 write d3plot file
*** Note history variables in lsprepost --> Fcomp -->misc
history variable 1 to 4 belongs to AMMG 1
history variable 5 to 17 belongs to AMMG 2
history variable 18 to 28 belongs to AMMG 3
history variable 29 to 38 belongs to AMMG 4
77 t 1.9908E+00 dt 2.62E-02 write d3plot file
156 t 3.9979E+00 dt 2.44E-02 write d3plot file
235 t 5.9767E+00 dt 2.55E-02 write d3plot file
313 t 7.9921E+00 dt 2.62E-02 write d3plot file
389 t 9.9829E+00 dt 2.62E-02 write d3plot file
466 t 1.2000E+01 dt 2.62E-02 write d3plot file
542 t 1.3991E+01 dt 2.62E-02 write d3plot file
618 t 1.5981E+01 dt 2.62E-02 write d3plot file
695 t 1.7998E+01 dt 2.62E-02 write d3plot file
771 t 1.9989E+01 dt 2.62E-02 write d3plot file
*** Warning negative vol in advection redo cycle 816
*** Warning negative vol in advection redo cycle 817
*** Warning negative vol in advection redo cycle 818
node # 1 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 2 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 3 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 4 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 5 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 6 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 7 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 8 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 9 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 10 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 11 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 12 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 13 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 14 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 15 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 16 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 17 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 18 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 19 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 20 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 21 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 22 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 23 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 24 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 25 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 26 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 27 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 28 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 29 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
node # 30 has out-of-range velocities
x-velocity= NaN
y-velocity= NaN
z-velocity= NaN
900 t 2.1187E+01 dt 0.00E+00 write d3plot file
900 t 2.1187E+01 dt 0.00E+00 write d3plot file
E r r o r t e r m i n a t i o n
s t o r a g e a l l o c a t i o n
Memory required to complete solution : 161783251
Additional dynamically allocated memory: 16337422
Total: 178120673
T i m i n g i n f o r m a t i o n
CPU(seconds) %CPU Clock(seconds) %Clock
----------------------------------------------------------------
Initialization ....... 0.0000E+00 0.00 0.0000E+00 0.00
Element processing ... 1.4490E+03 99.86 1.4486E+03 99.82
Binary databases ..... 1.0000E+00 0.07 2.5830E+00 0.18
ASCII database ....... 1.0000E+00 0.07 2.4000E-02 0.00
Contact algorithm .... 0.0000E+00 0.00 1.9000E-02 0.00
Contact entities ..... 0.0000E+00 0.00 0.0000E+00 0.00
Rigid bodies ......... 0.0000E+00 0.00 5.0000E-03 0.00
Implicit Nonlinear ... 0.0000E+00 0.00 0.0000E+00 0.00
Implicit Lin. Alg. ... 0.0000E+00 0.00 0.0000E+00 0.00
----------------------------------------------------------------
T o t a l s 1.4510E+03 100.00 1.4512E+03 100.00
Problem time = 2.1187E+01
Problem cycle = 900
Total CPU time = 1451 seconds ( 0 hours 24 minutes 11 seconds)
CPU time per zone cycle = 3430 nanoseconds
Clock time per zone cycle= 3431 nanoseconds
Number of CPU's 2
NLQ used/max 136/ 136
Start time 06/01/2015 09:06:34
End time 06/01/2015 09:31:05
Elapsed time 1471 seconds( 0 hours 24 min. 31 sec.) for 900 cycles
E r r o r t e r m i n a t i o n