1996-10-01

Advanced Simulation Techniques for Optimization of Powertrain NVH and Fatigue Behaviour 962396

Linear static and dynamic analysis are state-of-the-art to determine the NVH behaviour of engines and the fatigue behaviour of crankshafts by use of the finite element method (FEM). Using direct methods for solving the equations even supercomputing does not help to prevent nonlinear transient analysis from being very time consuming and inefficient for the essentially large number of degrees of freedom.
Presenting nonlinear transient analysis results of different engines, the K+P software products XFEP/CT and XFEP/NVH are shown to be both highly sophisticated and efficient for determining the NVH and the fatigue behaviour of complete power units.

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