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MMTUser1's latest activity
M
MMTUser1
replied to the thread
Simulation of Cyclic Loading in Tensile Test
.
I will try this approach. So far, we built a simple model and have successfully tested till we could apply Original YUM formula through...
Apr 16, 2024
M
MMTUser1
reacted to
FEAnalyst's post
in the thread
Simulation of Cyclic Loading in Tensile Test
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Like
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As I've mentioned in the first reply, the best way is to build up the complexity gradually but if the model is already complete then you...
Apr 16, 2024
M
MMTUser1
reacted to
FEAnalyst's post
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Simulation of load-unload test in Abaqus
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Try with a single hex element first (like the examples in the Abaqus verification guide). You will find some tips (like gradually...
Apr 16, 2024
M
MMTUser1
replied to the thread
Simulation of load-unload test in Abaqus
.
Hi, I have encountered this issue in my cyclic loading tensile test simulation but only my stresses were negative. This usually occurs...
Apr 16, 2024
M
MMTUser1
replied to the thread
Simulation of Cyclic Loading in Tensile Test
.
I tried to smoothen the amplitude of the loading curve obtained from the experiment. The simulation curve now resembles the experimental...
Apr 16, 2024
M
MMTUser1
replied to the thread
Simulation of Cyclic Loading in Tensile Test
.
Yes, the increment size is set to 0.001 for both initial and maximum increment size. We are using automatic increment and not fixed...
Apr 14, 2024
M
MMTUser1
reacted to
FEAnalyst's post
in the thread
Simulation of Cyclic Loading in Tensile Test
with
Like
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I guess that you mean increment size. But is it set for both initial and maximum increment size or are you using direct (fixed)...
Apr 14, 2024
M
MMTUser1
replied to the thread
Simulation of Cyclic Loading in Tensile Test
.
Yes, amplitude is applied to the displacement BC to recreate the cyclic loading. The time step is given as 0.001 and there are 1000...
Apr 11, 2024
M
MMTUser1
reacted to
FEAnalyst's post
in the thread
Simulation of Cyclic Loading in Tensile Test
with
Like
.
So that cyclic load is modeled as displacement boundary condition with amplitude ? Is incrementation and output frequency adjusted to...
Apr 11, 2024
M
MMTUser1
replied to the thread
Simulation of Cyclic Loading in Tensile Test
.
Thank you for the reply and all the information! You are right about the RVE, we used a single element model to test the FORTRAN code in...
Apr 10, 2024
M
MMTUser1
reacted to
FEAnalyst's post
in the thread
Simulation of Cyclic Loading in Tensile Test
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Like
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I'm a bit late but it can still be of interest. First of all, user-defined material behavior (UMAT, USDFLD or other) should always be...
Apr 10, 2024
M
MMTUser1
reacted to
Tom.G's post
in the thread
Simulation of Cyclic Loading in Tensile Test
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Like
.
Try using Double Precision variables & calculations. Those jagged falling edges suggest there could be a precision problem. (At least...
Mar 26, 2024
M
MMTUser1
replied to the thread
Simulation of Cyclic Loading in Tensile Test
.
Following is the FORTRAN code snippet: CALL GETVRM('SINV',ARRAY,JARRAY,FLGRAY,JRCD,JMAC,JMATYP,MATLAYO, 1 LACCFLA)...
Mar 26, 2024
M
MMTUser1
replied to the thread
Simulation of Cyclic Loading in Tensile Test
.
Further information: To check the FORTRAN code, we used a RVE (a simple cube element). Original YUM formula mentioned in the research...
Mar 26, 2024
M
MMTUser1
replied to the thread
Simulation of Cyclic Loading in Tensile Test
.
Thank you!
Mar 26, 2024
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