Stepped Shaft: Exercises

Exercise 1:

Using one-dimensional link or bar elements, create a one-dimensional mesh for the stepped shaft using elements with different cross-sectional areas. Note what happens at the sharp re-entrant corner. Refine the mesh in the vicinity of the step and report your results for the stress variation across the step. 

Exercise 2:

Rerun the SimCafe tutorial refining the mesh in the vicinity of the fillet. Using h-convergence mesh refinement, optimize the ratio of element edge length to fillet radius, i.e. determien the ratio of element edge length to fillet radius that will result in a converged solution for the stress concentration to within the accuracy of the reported formula (5%). 

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