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  1. yikyeh

    Critical damping fraction in modal dynamics step

    I really need someone to help me to solve my problem. Your assistance is very much appreciated. Thanks.
  2. yikyeh

    Critical damping fraction in modal dynamics step

    Hi, I am doing a simulation on vibration characteristics of a lap-shear spot welded plate using Abaqus CAE. The load is defined as an impulse force (input in tabular form). I would like to ask about the damping in the modal dynamics step. I have read through the abaqus manual. However I still...
  3. yikyeh

    Coupling constraint

    Hi, is it possible to do a kinematic coupling constraint from a reference point to a point (which is not a node) on an edge of a geometry?
  4. yikyeh

    Modal analysis (impact hammer test) ABAQUS simulation

    Thanks for your reply. If I use Modal Dynamics, with the acceleration-time graph that I obtain, how to plot frequency response function (|Acceleration/Force| vs Frequency)for all the modes in the frequency range of interest in ABAQUS? I'm gonna obtain a FRF graph like the image attached below...
  5. yikyeh

    Modal analysis (impact hammer test) ABAQUS simulation

    Hi, Currently I am doing an experimental modal analysis (free-free boundary condition) using impact hammer. The test specimen is a mild steel plate. I have force-time graph from force transducer, acceleration-time graph from accelerometer and frequency response function (|Acceleration/Force| vs...

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