Design optimization using Statistical Confidence Boundaries of response surfaces: Application to robust design of a biomedical implant
Résumé
This paper deals with the use of Statistical Confidence Boundaries (SCB) of response surfaces in robust
design optimization. An empirical model is therefore selected to describe a real design constraint
function. This constraint is thus approximated by a second order polynomial expansion which is fitted to
numerical simulations that use a Finite Element Method (FEM). A technique is also proposed to analyze
the effects of the uncertainties of the inputs of the simulations. This approach is employed to optimize the
design of a biomedical wrist implant. A real optimized implant is then manufactured and tested to
validate the numerical model.
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