Question

b) List the four material properties needed to perform a FE analysis using a bilinear material. c) Describe the boundary conditions needed to impose a symmetry plane when using shell elements.

Answer 1

B.) FE means Finite Element Analysis , used for the behaviour of any element for stress strain curve . The material properties needed to perform a FE analysis using a bilinear material are - 1. Poissons Ratio 2. Shear and Bulk Modulus , 3. Yield Strength , 4. Young Modulus. C.) Boundary conditions needed to impose a symmetry plane when using shell elements are symmetry and anti symmetry boundary conditions . For Symmetry conditions , displacement vector componenet which is perpendicular to the respective plane should be zero , and rotational components parallel to plane shall also be zero .We can assume reverse of all this conditions when thinking about anti symmetry conditions .

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