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Importing material properties in ANSYS ACP

  1. Apr 26, 2017 #1
    i am doing composite analysis in ansys acp. i am using nomex hneycomb as core sandwiched with 3k twill carbon fiber on each side. i am unable to understand properties that my manufacturer gave. these are lengthwise and widthwise but in ansys i have to enter properties in x y z direction. can any body help?
     
  2. jcsd
  3. Apr 26, 2017 #2

    Mech_Engineer

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    Are you trying to model the material properties for each of the layers, or the total composite structure as a unit? Typically modeling a complex composite structure (especially layered composite structures) requires orthotropic material properties for each layer and orientation information. If you want to just model the structure as a whole, you should be able to orient the model coordinate system in your ANSYS model to match the material properties provided by the vendor.

    See here: http://www.ansys.stuba.sk/html/guide_55/g-str/GSTR11.htm
     
  4. Apr 26, 2017 #3
    i am trying to model properties of each layer. can you please guide me? also i am facing difficulty in importing properties of honeycomb nomex . this is the properties of honeycomb that my manufacturer gave
     

    Attached Files:

  5. Apr 26, 2017 #4

    Mech_Engineer

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    Those are the compression strength and orthotropic shear modulus for the honeycomb but may not apply to your loading conditions. You're going to need more detailed information to create a model in Ansys. If not available, your other option is to get raw material properties for the Nomex and then physically model the honeycomb geometry.
     
  6. Apr 26, 2017 #5
    ok i will try to get more properties. can you please tell me how to use properties of resin and carbon fiber? i am also doing analysis in abaqus but i dont have properties of laminate. how can i use resin in abaqus?
     
  7. Apr 26, 2017 #6

    Mech_Engineer

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    Typically you would not model the resin separately from the carbon fibers. The structural strength of a layered carbon fiber structure comes from the carbon, so in many cases the resin is ignored. If the resin's properties are important (say for out-of-plane loading or loads orthogonal to the fiber direction) you will need to find the material properties of the resin combined with the fibers.
     
  8. Apr 26, 2017 #7
    can i use cohesive behavior with finite thickness? like in this video.



    https://wenku.baidu.com/view/a5e4a74d767f5acfa1c7cdf3.html
     
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