1998-02-23

The Use of CAE for the Optimization of Engine NVH Behaviour: State-of-the-Art and Future Trends 980274

Linear analysis are state-of-the-art to determine the NVH behaviour of engines 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 of different engines, new possibilities are shown for determining the NVH behaviour of complete power units.

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