ENERGY ERROR LIMIT REACHED
Hi，Recently encountered this problem
*** ERROR # 4002 ***
Running RADIOSS engine, 2 ERRORs and 0 WARNINGs have been detected.
They are listed below.
ENGINE ERROR:
** RUN KILLED : ENERGY ERROR LIMIT REACHED
ENGINE ERROR:
** RUN KILLED : ENERGY ERROR LIMIT REACHED
Then I checked the .0001 file，find the following error：
*** PARTS WITH HIGHEST KINETIC ENERGY
PART_ID K-ENERGY PROP_ID PROP_TYPE MAT_ID MAT_TYPE
8 0.9779E+42 8 11 3 25
5 0.2085E+17 5 1 2 2
4 5274. 4 1 2 2
*** PARTS WITH HIGHEST INTERNAL ENERGY
PART_ID I-ENERGY PROP_ID PROP_TYPE MAT_ID MAT_TYPE
2 0.1588E+44 2 1 2 2
8 0.3382E+34 8 11 3 25
3 0.2991E+26 3 1 2 2
6 0.3831E+15 6 1 2 2
5 0.6502E+09 5 1 2 2
4 0.1186E+08 4 1 2 2
*** NODES WITH HIGHEST VELOCITY
NODE VELOCITY K-ENER MASS MASS0 DM/MASS0
2115893 0.4969E+20 0.8813E+31 0.7140E-08 0.1963E-08 2.637
2115885 0.1871E+20 0.3213E+31 0.1836E-07 0.3914E-08 3.692
2115894 0.1445E+20 0.8372E+30 0.8017E-08 0.1981E-08 3.047
2021296 0.8145E+19 0.000 0.000 0.2616E-08 -1.000
2021295 0.6374E+19 0.000 0.000 0.4702E-08 -1.000
2115886 0.5165E+19 0.2000E+30 0.1499E-07 0.3825E-08 2.920
2813216 0.4677E+19 0.000 0.000 0.2000E-08 -1.000
2813011 0.4677E+19 0.000 0.000 0.3984E-08 -1.000
2813103 0.4676E+19 0.000 0.000 0.8164E-09 -1.000
2021031 0.3395E+19 0.000 0.000 0.2111E-08 -1.000
I can't figure out the reason about it，element？velocity？mass？ I don't know，
The workd ，The outer plate is a steel plate and the inner plate is a composite material.
But in ，I just make some changes，offset some element for composite，then，the error occurs。
Can someone help me check the reason of the error?
Answers
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Altair Forum User said:
But in ，I just make some changes，offset some element for composite，then，the error occurs。
Are these elements part of contact?
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Altair Forum User said:
Are these elements part of contact?
I don't know what do you mean？I'm confused abou the contact between the rigid wall and the B-pillar?
In addition, there is a downward slide after the collision, how to prevent this from happening
<?xml version="1.0" encoding="UTF-8"?>
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Altair Forum User said:
I don't know what do you mean？I'm confused abou the contact between the rigid wall and the B-pillar?
In addition, there is a downward slide after the collision, how to prevent this from happening
<?xml version="1.0" encoding="UTF-8"?>
I mean the elements which were offset from their original position, are they part of the contact interface?
To avoid sliding, constraint the rigid tube.
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Altair Forum User said:
I mean the elements which were offset from their original position, are they part of the contact interface?
To avoid sliding, constraint the rigid tube.
The offset element Tie with the original element, but is not in contact with the rigid wall,
and how to restrain the rigid wall from slipping？
Please check the .fem file，thank you。
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Altair Forum User said:
The offset element Tie with the original element, but is not in contact with the rigid wall,
and how to restrain the rigid wall from slipping？
Please check the .fem file，thank you。
OK, I thought it is a tube which is made rigid. I will check and update you soon.
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Altair Forum User said:
OK, I thought it is a tube which is made rigid. I will check and update you soon.
Thank you，could you provide the method about how to constraint the rigid tube？0 -
In the.0001 file ，the error messages details shows following，
ERROR : NEGATIVE STIFFNESS NODE
Could you give me some advice ？ How to solve this kind of question？thank you
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The error could be due to contacts or due to material properties. If you have unrealsitic material properties, such error pops up.
Please check the contacts, material properties and units.
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Altair Employee