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Verification & Validation
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Verification
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Steps
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<iframe width="560" height="315" src="https://www.youtube.com/embed/3RMqaGN74Cg" frameborder="0" allowfullscreen></iframe> |
Check Equilibrium
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<iframe width="560" height="315" src="https://www.youtube.com/embed/FlM9BMQARSM" frameborder="0" allowfullscreen></iframe> |
Check Mesh Dependence
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<iframe width="560" height="315" src="https://www.youtube.com/embed/GNpoYKqrCTI" frameborder="0" allowfullscreen></iframe> |
Verification of Maximum Bending Stress and Maximum Total Deformation
The ANSYS results will be verified by comparing them to the results obtained using Euler-Bernoulli beam theory in the pre-analysis. The ANSYS simulation outputted 4.6352MPa for the maximum bending stress and the calculation in the pre-analysis yielded 4.635 MPa. The ANSYS simulation outputted 0.0051352m for the total deformation of the beam at x=4 while the calculation from the pre-analysis yielded 0.005103m. The ANSYS results very closely match the calculations from the pre-analysis, thus the simulation has been verified.
Another, way to verify the solution of a numerical method is to examine the convergence of the solution as the mesh is refined. The table below displays the outputs of the ANSYS simulation for a mesh of 2 elements and a mesh of 10 elements.
Number of Elements | Total Deformation (m) | Maximum Bending Stress PA |
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2 | 0.0051352 | 4.6352x10^6 |
10 | 0.0051352 | 4.6352x10^6 |
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