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Verification & Validation

Verification

Two important verifications that can be made to check whether the simulation correctly solved the model is to see if mass is balance and if the pressure on the blade has converged. Both have been inspected in the previous section. 

Check iterations

Another essential condition to verify is whether a sufficient number of iterations were performed in obtaining the solution (i.e if the solution converged). The figure below shows how the solution behaves after 3000 iterations. As you can see, the residuals do not change much between 1500 and 3000 iterations. This is why 1500 iterations was deemed appropriate for the sake of this tutorial, considering the reduction in solving time. The solution, however, does appear to converges better after 3000 iterations. 

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