DOI: https://doi.org/10.1115/detc1995-0152Mar 5, 2021Proceedings Paper

Finite Element Analysis of Dynamic Rigidity of Diesel Engine Housing

James P. ReaRaymond McCafferty

Abstract

High levels of dynamic loads in a modem diesel engine take place at low frequencies and are connected with the forced vibration of the engine under the action of excitation gas and inertia forces. The lower range of these frequencies are equivalent to the speed of the engine (two stroke) and half engine speed (four stroke). They lead to high stress levels and deformations and often cause internal damage or component failure as well as increasing vibration transmitted to the foundation. One of the most important factors in improving the reliability and durability of engine components and reducing the level of vibration is providing sufficient rigidity for the engine housing. Careful choice of the main dimensions and design parameters will greatly influence engine performance.

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