L-Chao / finite-element-matlab-coding

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Matlab codes for Finite Element Analysis

1. Basic steps of finite element problem

  1. Define a set of elements connected at nodes
  2. For each element, compute stiffness matrix $\textbf{K^e}$, and force vector $\textbf{f^e}$
  3. Assemble the contribution of all elements into the global system $\textbf{Ka=f}$
  4. Modify the global system by imposing essential (displacements) boundary conditions
  5. Solve the global system and obtain the global displacements $\textbf{a}$
  6. For each element, evaluate the strains and stresses (post-processing)

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