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Step 7: Verification & Validation

Importance of Verification

It is imperative to do some checks to make sure that the numerical results are accurate. Numerical results can either be compared directly to empirical data or they may be compared to theory.

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.

Number of Elements

Total Deformation (m)

Maximum Bending Stress

2

0.0051352

4.6352x10^6

10

0.0051352

4.6352x10^6



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