Composite materials in beams how Ansys calculates deformation

- November 2, 2023 at 4:34 pm
  
  Noureldeen Radi
  Subscriber
  
  How Ansys calculates deformation in beams made out of isotropic materials
  I used transformation section rule for solving for deflection analytically but the value is different around 22mm for Ansys apdl result and 52mm for analytical results
- November 3, 2023 at 2:11 pm
  
  Mike Rife
  Ansys Employee
  
  Hi Noureldeen
  Before getting into materials, which beam theory did you assume in your hand calculations? Mechanical APDL uses Timoshenko beam theory for Beam188/189.
  Mike
  - November 3, 2023 at 2:28 pm
    
    Noureldeen Radi
    Subscriber
    
    Hello, my question was. Not clear
    I used she'll 181 fo so how ansys calculates the deflection and stresses on my beam.. I have a 4 point force and 3 isotropic materials in 1 composite lay-up... Finally all modeling is made in areas..
    How ansys calculates it analytically?
    And should I do any boundary conditions or initializing any equations?

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