What is the theory of failure and how to determine the FEM result when we get result was passed.

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Theory of failure is a concept used in engineering to predict the failure of materials under different loading conditions.

Theory of failure helps engineers understand how materials will behave under stress and strain.
Different theories of failure include maximum normal stress theory, maximum shear stress theory, and maximum strain energy theory.
Finite Element Method (FEM) is a numerical technique used to analyze stress, strain, and deformation of materials.
To determine FEM results, engineers compare the calculated stresses and strains with the material's failure criteria based on the theory of failure.
If the calculated stresses and strains are below the material's failure criteria, the FEM result is considered safe.

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