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Recent content by Kamyar_K

  1. Kamyar_K

    How to get uniform tension in a rail using dynamic/explicit analysis?

    Thank you for your reply. There is no interaction between rails and crossties in this step, the rail is supposed to get pulled individually without transferring load to other components.
  2. Kamyar_K

    How to get uniform tension in a rail using dynamic/explicit analysis?

    I see, thanks for the tip. I tried to do the import technique, however, the second model gets stuck in "submitted" phase and doesn't continue running. Do you have any idea or any reference that I could use to overvoem the issue?
  3. Kamyar_K

    How to get uniform tension in a rail using dynamic/explicit analysis?

    Hello everyone, I’m working on a 3D simulation of a railroad track in ABAQUS using a dynamic/explicit analysis to investigate the longitudinal behavior of the rail. My model consists of multiple steps. In the first step, I apply a tensile force at one end of the rail, while the opposite end is...
  4. Kamyar_K

    Defining multiple interaction in abaquss

    Hello all, I was wondering if there is any quick way to define contact-to-contact interactions in dynamic-explicit analysis for multiple surfaces and varying interaction properties. Thanks for your help.
  5. Kamyar_K

    Contact Interaction and Gravity

    If the prescribed displacement is in tangential direction, does the interaction work?
  6. Kamyar_K

    Contact Interaction and Gravity

    Hello guys, I'd really appreciate it if you answer my questions. 1- Is it necessary to have gravity load to activate contact interaction (to simulate friction) between two components? 2- What should be g (acceleration due to gravity) unit to be consistent with kips for force and inch for...
  7. Kamyar_K

    Changing the slip interface by loading rate

    Hi everyone, I am currently working on the modeling of the railroad track. In my model, I have simulated the rail and the crossties by beam elements and used connectors to add longitudinal elastic and friction elements. The rail is pushed by a concentrated force in axial direction. I am...
  8. Kamyar_K

    Slip in the rigid railroad track - ABAQUS model

    Anyone? :)
  9. Kamyar_K

    Slip in the rigid railroad track - ABAQUS model

    Yes, connector elements were used to define friction and elasticity. This model has been also adopted in other paper which it can be seen in link below, some other characteristics are mentioned there...
  10. Kamyar_K

    Slip in the rigid railroad track - ABAQUS model

    Hello everyone, I am currently working on a 3D FE model in ABAQUS, focusing on simulating thermal force resulting in a rail break which generates a gap in the rail. Model description: This model applies a compressive load in the longitudinal direction, aligned with the rail length, equivalent...
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