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  1. han_cyuan

    ABAQUS problem

    How to solve?
  2. han_cyuan

    ABAQUS problem

    I would like to ask how to cut a section in a three-dimensional modal analysis to see the deformation of the section in three planes.
  3. han_cyuan

    ABAQUS Vehicle bridge interaction for 3d roughness surface

    I now want to use the ISO8608 regulations to generate 3D road surface roughness. Is there any way to do this? And how to set the contact settings between my wheels and the rough surface?
  4. han_cyuan

    abaqus natural free vibration

    How to increase the frequency of the second bridge frequency while fixing the first bridge frequency
  5. han_cyuan

    ABAQUS problem

    The poisson ratio of 0.49900 exceeds 0.495 (the bulk modulus of 3.33333e+19 exceeds 100 times the shear modulus of 6.67111e+16) for the elastic material named steel. However, a hybrid type element is not used. This may cause convergence problems. It is recommended that you change the element...
  6. han_cyuan

    ABAQUS problem

    "I currently have a U-shaped section, how can I place nodes to discretize the section into elements?"
  7. han_cyuan

    Bridge setup with rough surface

    I used the open source plug-in https://github.com/ElsevierSoftwareX/SOFTX-D-23-00071 to generate a rough surface. I wanted to add this rough surface to my original bridge.
  8. han_cyuan

    Bridge setup with rough surface

    I would like to ask if I am using a plug-in program to generate a rough surface. What function can I use to combine the rough surface with the surface of my bridge so that my bridge is rough?
  9. han_cyuan

    ABAQUS Convergence

    standard:gravity dynamic implicit:Solver for car motion
  10. han_cyuan

    ABAQUS Convergence

    Currently, a quarter of the simulated test vehicle is being built and will move on the bridge. The interaction is to set hard contact and rough. Will using the automatic stabilization function make my convergence better? Want to enable axle coupling through rough surfaces
  11. han_cyuan

    ABAQUS Convergence

    I use ROUGH in the interaction and it cannot converge. How do I need to modify the settings?
  12. han_cyuan

    I would like to ask if I want to us

    I would like to ask if I want to use the rough function of interaction and encounter convergence problems, can I directly change the minimum value of the time increment to a smaller value so that the analysis can converge?
  13. han_cyuan

    *friction,lagrange or *friction,rou

    So I can't assume a friction coefficient on my own?
  14. han_cyuan

    *friction,lagrange or *friction,rou

    Is there any numerical range limit?
  15. han_cyuan

    *friction,lagrange or *friction,rou

    How many recommended parameters should be set?
  16. han_cyuan

    *friction,lagrange or *friction,rou

    I would like to ask if you need to set penalty friction in the following two steps.
  17. han_cyuan

    *friction,lagrange or *friction,rou

    *friction,lagrange or *friction,rough may cause convergence difficulty when used in conjunction with the *surface behavior, augmented lagrange or penalty option. Use penalty friction instead. How to deal with it
  18. han_cyuan

    abaqus monitor problem

    I would like to ask, the red line is the acceleration of the center of mass of the car body. How can I modify it to be the same as the blue line, so that there is an acceleration response from the beginning? I would also like to ask what is the difference between field output and history output...
  19. han_cyuan

    abaqus monitor problem

    I now use fft to convert the acceleration of the car body into frequency. There is only the frequency of the car, not the frequency of the bridge. How can I correct my model? My vehicle currently moves from the left to the right of the bridge using hard contact and frictionless force. Do I need...
  20. han_cyuan

    abaqus monitor problem

    I would like to ask how to express the establishment of a wheel. It can be ignored or become a point.

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