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Verification & Validation
Mesh Convergence
Biased edge sizing can be applied to the model to get a dense mesh at the crack tip (center of the semicircle). The mesh convergence study is shown below. A bias factor of 50 is used. The stresses are measured in Pascals.
number of division=100, face sizing=2m | number of division=200, face sizing=1m | number of division=400, face sizing=0.5m | |
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Sigma_rr | 8.5973e5 | 1.4375e6 | 1.4622e6 |
Simga_rt | 2.6449e5 | 3.9456e5 | 4.1444e5 |
Simga_tt | 6.1382e5 | 1.005e6 | 9.9227e5 |