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PreVABS Fibre orientation

  1. Subramani Anbazhagan

    Hello, 

              I'm little confused about the fibre orientation in Cross-sectional lamina schema data file in PreVABS, for example in the case of a biaxial[+45/-45] material we'll have mechanical properties for the biaxial coupon. Do I have give this two fibre orientations or I can use 0 deg since the layer'll be in +45/-45. if I have to provide two or even three orientations in case of a triaxial material,  How can I provide that in Cross-sectional lamina schema data file. 

    Thank for your time.

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    Replying to Subramani Anbazhagan

    1. Ning Liu

      My opinion is to model it as one layer and  use zero degree fiber orientation and mechanical properties you obtained from coupon test; or if you know the mechanical properties of a single uniaxial lamina [0 degree], then you can model your biaxial laminate as two layer.

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      Replying to Ning Liu

    2. Wenbin Yu

      Ning is right. 

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      Replying to Wenbin Yu