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  1. fmerwick

    Interpreting Vibration Measurement Results

    Thanks for the reply, yes I understand that the reference was 10^-2, but for this application is there a standard formula in order to convert it to an acceleration? I have read that once it is in dB that all my results are referred back to the reference level once it is stated however I need...
  2. fmerwick

    Interpreting Vibration Measurement Results

    Hi all, I am having trouble with an experiment I am conducting at the minute. I am designing a device to be mounted on a vibrating structure and am trying to determine a damping mechanism to eliminate the vibration on the imposed product. I have measured the vibration on the structure it is to...
  3. fmerwick

    Applying Gravity Load

    Hi, I am attempting to model free fall of an object in dynamic,explicit. I am applying an initial velocity to the object and wish for gravity to contribute to the velocity thereafter. The object is falling in the negative Z direction. In the load module I have selected gravity. I then select...
  4. fmerwick

    fixed part/moveable part

    Hi, I would like to know if it is possible to designate a part as a fixed or moveable part. Does this depend on the order the parts are added to the assembly? I am having difficulty constraining my assembly as I cannot choose faces on one of the parts as it does not seem to be considered...
  5. fmerwick

    Querying for shear stress on a complex 3D model

    Hello, I have modeled a 3D hip stem that is in contact with a solid that represents bone. I have tied the surfaces to create the contact between the two bodies. I am looking to determine what the shear stresses are on the surface of the stem where the surfaces are tied? Is there any way to...

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