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About narasimhamurthy

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  1. narasimhamurthy


    Hi, Need to perform fatigue analysis is FEMFAT. Static analysis has performed in Radioss. now static analysis stresses are used to do fatigue analysis. how to carry static analysis results from radioss to FEMFAT. If you have any study material on this, Please share. Thanks, Narasimhamurthy
  2. narasimhamurthy

    Geometric nonlinear - implicit

    Hi, this is confidential model . so i can not share. please find attached .output file. There is friction coefficient between sheet metal and concrete. please share possibility of error. Thanks 3085351_48_27IN.out
  3. narasimhamurthy

    Geometric nonlinear - implicit

    Hi, Is possible to perform Geometric nonlinear - implicit with Gravity load? because getting ISTOP=0 error. ENGINE ERROR: ** ERROR : RADIOSS IMPLICIT STOPPED DUE TO LOADING DATA ** Thanks Narasimhamurthy
  4. narasimhamurthy


    Hi, Trying to perform Impact analysis, but getting error as shown below. Please suggest to solve this error and find attached .out file. Thanks and Regards, Narasimhamurthy air_guide_0000.out
  5. narasimhamurthy

    Gauge optimisation

    Hi, Is need to extract mid surface of sheet metal for gauge optimisation?? here optimisation is performing on shelf assembly, shelf pan has bends and holes. since all mid surfaces are not importing. how to import all mid surfaces without loss?? Thanks and regards Narasimhamurthy
  6. narasimhamurthy

    How to apply torque/moment.

  7. narasimhamurthy

    How to apply torque/moment.

    yes, Direction is good but rotating point is different.
  8. narasimhamurthy

    How to apply torque/moment.

    Block is not rotating about rigid body master node axis, where we specified torque. Rigid body moved near to block.
  9. narasimhamurthy

    How to apply torque/moment.

    Please find attached starter and engine files. crash0_0000.rad crash0_0001.rad
  10. narasimhamurthy

    How to apply torque/moment.

    yes, have applied in concentrated load only.
  11. narasimhamurthy

    How to apply torque/moment.

    Hi, I have created a block with Hexa elements and shell elements with rigid body at 1 mm distance from block. please find attached image file. Block is going to impact over rigid shell with 50 N-mm of torque. Type-7 contact is defined between block and shell elements. problem is solving without error but in contour plot rigid body moved near to block and block is swinging. as shown in below picture. is there any method to define torque in Radioss? Thanks and Regards Narasimhamurthy
  12. narasimhamurthy


    Thank you very much. In initial velocity load collector, I have assigned GROUND-COMP SET in ground id, here set was created by COMPONENTS entity. now changed to GROUND NODE set and set created by NODES entity. it is working.
  13. narasimhamurthy


    Hi velocity is -13.3 m/sec in Z-direction. please find attached starter file. TubeCrush_0000.rad
  14. Hi, Followed all procedures as given in tutorial. But tube is not crushing and also not showing any error. please find attached images and output file. what are the changes need to make??? Thanks and Regards Narasimhamurthy TubeCrush_0001.out a.avi Exercise_6.1-Interface_Parameters_on_Crush_Tube-HyperMesh.pdf
  15. narasimhamurthy

    Buckling analysis

    Hi, Performing buckling analysis in Optistuct, but showing error as shown in below picture. please give suggestions, how to solve this error. Thanks and Regards, Narasimhamurthy