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  1. ab110

    Rotation boundary condition on a rigid body about a moving coordinate

    Hi Bartosz, I should confess that the structure of a hinge joint was not correct in my mind and it had made me confused. Finally I was able to fix the issue and get the model running. It seems everything is all right now. Thank you very much for your kind attention. I will let you know if I...
  2. ab110

    Rotation boundary condition on a rigid body about a moving coordinate

    Thanks Bartosz, I think you selected a point at the surface of the wheel and a point at the center of the wheel (not the reference point) to create a hinge in between. I am not sure what is the difference between that point in the center and the reference point. Is the location exactly the...
  3. ab110

    Rotation boundary condition on a rigid body about a moving coordinate

    The CAE file is attached.http://files.engineering.com/getfile.aspx?folder=142d5898-2c4a-4991-be85-fa70dfd46001&file=Test-6.cae
  4. ab110

    Rotation boundary condition on a rigid body about a moving coordinate

    Hi Bartosz, Thanks again in advance for your help. I have tried to open your model and understand it but unfortunately I cannot read it correctly. When I import the model in Abaqus-CAE, it gives me many error for instance missing reference point and etc! I your model I do not know what exactly...
  5. ab110

    Rotation boundary condition on a rigid body about a moving coordinate

    Hi, Thanks Bartosz for the reply. Unfortunately I cannot read the attached file in Abaqus CAE. When I read the file it is nothing and empty. I opened the file with notepad and saved it again as an *.inp file but again nothing! Do you have any idea what is happening? I am using Abaqus 6.13.1 ...
  6. ab110

    Rotation boundary condition on a rigid body about a moving coordinate

    Abaqus input file is attached.http://files.engineering.com/getfile.aspx?folder=fa471f48-0294-4a84-87b6-b60be3f0a548&file=Job-1.inp
  7. ab110

    Rotation boundary condition on a rigid body about a moving coordinate

    Dear All, I have posted a question about rotation of a local coordinate system but I did not get any reply. Today I thought to make the problem clearer and post it again. Hope this time I can get some replies. In the attached picture I want to make the rigid cylinder rotate about the Z axis...
  8. ab110

    How to rotate a local coordinate system during analysis

    Dear All, I have put a local coordinate system (Datum csys) at the reference point of a rigid roll and then tried to rotate the local coordinate with the rotation of roll. But it seems that the local coordinate does not change its direction with the rotation of the roll and it always keeps its...
  9. ab110

    Define a path to move a rigid body in simulation

    Hi All, In one of my simulations I need to move a rigid body along a pre-defined path in Abaqus. The path is 2D but it is not simple and it is a polyline and I cannot define amplitude for the X-Y directions in the boundary condition when I want to move the rigid body. I have the path from...
  10. ab110

    Aging effect in the tensile test

    I have not received any replies for my question. Please let me know if it is not clear. C, A
  11. ab110

    Aging effect in the tensile test

    Hi Everyone, I did a tensile test for the material. The material shows some aging effect close to the yield. I am not sure how can I implement the plastic part in the Abaqus. If I use the offset approach to find the yield stress, then what should I do for the aging effect in the plastic part...
  12. ab110

    skin-passing is plane-strain or plane-stress?

    Thanks Prntscrn for your reply.
  13. ab110

    skin-passing is plane-strain or plane-stress?

    I want to simulate this process as implicit analysis.
  14. ab110

    skin-passing is plane-strain or plane-stress?

    Hi All, I want to simulate a skin-passing process of a strip in 2D environment (the photo is attached). The dimensions of the strip are 1000, 2, and 70 mm in direction X, Y, and Z respectively. My question is for this 2D analysis should I consider plane-stress elements or plane-strain? I am in...
  15. ab110

    user subroutine for initial stresses

    I have not bee able to use SIGINI. I appreciate if someone please upload a complete example for SIGINI here.
  16. ab110

    user subroutine for initial stresses

    Hi all, I want to run a simulation in which material has initial stresses which vary through the thickness. The model has one shell element through thickness with arbitrary number of integration points. How can I implement the initial stresses to different integration point of material? Which...
  17. ab110

    Read coordinate data of a local system in subroutine

    Hi all, I want to read data of a local coordinate in the subroutine. If I write “y = coord(2)” the software will always read the coordinate in global system and put that in y, but I have some local coordinate systems in my ABAQUS model. How can I say to the software to read position data in...
  18. ab110

    Noise in reaction force

    Hi All, I am doing some bending tests. In finite element simulation of bend test, when I use very fine mesh to get accurate results, there is a lot of noise in reaction force. Does anyone know what is the reason of noise in reaction force and how can I omit that? I am recording the reaction...
  19. ab110

    Move a rigid body up and down

    Thanks akabarten for your help.

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