An Innovative Approach To The Design Of
Multi-bolted Joint Assemblies In The Uncertain
Early Stages
Author(s)
T. Dericquebourg, D. Lenoir, F. Debarle & L. Jézéquel
Abstract
In the automotive industry, the optimization of the preliminary stages is a major
asset for reducing the time of the design process. So, a new approach for setting
up the optimal configuration of a bolted joints assembly has been developed. The
aim is to efficiently fix the main characteristics of bolted joint assemblies in a
particularly uncertain context. Indeed, in preliminary design, choices are made
with little information and many indeterminations, but these should be relevant
whatever the following steps of the design process may be. The methodology
developed is based on simplified models included in a strategy consisting of
testing configurations to choose the best one. In order to scan the design space
well, an optimized Latin hypercube strategy is used. Then, algorithms have been
developed to find clusters of good items and of unacceptable ones. These clusters
are then used to specify a robust solution or to avoid incorrect configurations. An
application was conducted on an automotive mounting. The reduced time needed
to obtain useful results really contributes to shortening the design process
duration and the approach allows one to control the risks of the process
uncertainties.
Keywords: mechanical design, preliminary design, bolted joints, uncertain
context, modelling.
Keywords
mechanical design, preliminary design, bolted joints, uncertain
context, modelling.
Related Book
Other papers in this volume
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