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Dissipated energy minimization in a combustion engine mount system by position dependent damping coefficients

Lipiński K., Kneba Z.

Vibrations in Physical Systems

2008

Vol. 23

241--246

Multibody modelling of a combustion engine is presented in the paper. The engine’s vibrations are of primary interest as well as energy dissipated in the engine’s suspension. System’s excitation is proportional to engine’s rotational velocity, thus vibration’s amplitude converges to some constant, non-zero value for high rotational velocities. With the amplitude being constant, suspension’s dissipated energy grows significantly with the velocity. A method to reduce the energy is considered in the paper.