LMS International, working in conjunction with BMW, FH Aachen and MAKROSS,
has developed an analytical process that allows predicting the durability performance of
vehicle doors. The scope of this project comprises the use of virtual simulation to predict
the ability of components to withstand door slams. It combines explicit Finite-Element
(FE) analyses using modal superposition techniques, and durability simulations to convert
the obtained local stress histories into fatigue-life predictions. When further elaborated
and optimized, this approach has the capacity to provide reliable insights in the durability
performance of body and door components, before physical prototypes become available.
In the future, this way of working may potentially replace or complement BMW’s current
approach, which includes performing physical tests on vehicle prototypes.
continued …
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