Optimal Tolerance Allocation in Blade Manufacturing by Sensitivity-Based Performance Impact Evaluation

What is it about?

For blade manufacturing, one strives to decrease the production cost, while reduce the performance deviation due to geometric variations, which is achieved by the multi-objective optimization presented in the paper. Production cost is assessed by a polynomial function in terms of integral tolerance. We employ for the first time the second-order sensitivities to evaluate the performance change of turbomachinery blade.

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