Abstract
The analysis of the strength and stiffness of a diesel engine frame can be carried out in two parts; an analysis of the whole frame loaded by the inertia of the moving parts and an analysis of one line loaded by the explosion forces. This paper describes computer programs which have been used to make the above analyses in more detail and in less time than is possible by hand calculation.
Results are given for an engine frame in which one program was used to determine the shear and bending forces on the frame and the loads on the ligaments between the various holes in the sides of the frame. Another program was used for the analysis under explosion forces; the walls were divided into a large number of elemental panels (each of side about 2 in) and the stress distribution (both direct and bending) in each of these elements was determined.
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