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irwinp

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About irwinp

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    Hong Kong
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  1. Hi Pranav, Thank you for your reply. I am using MAT LAW 36 but i want to consider crack/fractures on my analysis. For that I will need the D1, D2 and D3 parameters. Is there any way to calculate those parameters from the Stress-Strain curve? thanks, Irwinp
  2. Hello guys, I would like to know how i can determine the johnson-cook parameters using my stress-strain curve? Is there any formula or method? Thanks
  3. Hello guys, I would like to know how i can determine the johnson-cook parameters using my stress-strain curve? Is there any formula or method? Thanks
  4. Hi, i just want to know if there is any analysis tutorial for Hammering Test for alloy wheels. Also, is this same as the Frequency Response? thanks, Irwin
  5. Does it has something to do with the damage parameters? or settings in properties?
  6. I used Fail Johnson card.
  7. Hi George, thanks for your reply. i was expecting that the lower the mass, damage should be also less and cracks may not occur since i used only half of the mass from my initial analysis. but the damage/cracks are just the same and occurred in the same time frame. is there anything i need to change in the parameters?
  8. Hi, I am new to HyperWorks. I did a 2 simulation trials for impact using same mesh model, same velocity but with different mass and it gives me same results. The crack propagation came exactly at the same time frame. I was expecting that the lower mass will not give me cracks as compared to the higher mass load. What am I missing here? Does mass have effect if we are using velocity? I used HyperMesh and RADIOSS. thanks, Irwin
  9. here is my output file.WHEEL13deg_0000.outWHEEL13deg_0000.out
  10. Hi, I am new to RADIOSS. I tried to run the solver but got error of "no restart file". how do i solve this? thanks!
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