The M119 howitzer is the current fielded 105-mm artillery weapon. It is undergoing upgrades to the fire control system in which they will be adding new components and brackets to the existing system. Finite element analysis (FEA) was performed to determine the stress contours along the side of the saddle (a subsystem of the howitzer) in regions where holes will be added for fire control brackets. The FEA results were ...
A finite element analysis study was completed on the forward joint of a 120-mm mortar. The purpose of the study was to determine to what degree the adapter threads could be diametrically interrupted without compromising structural integrity during gun launch. The finite element analysis modeled the mortar assembly with a dynamic pressure load. Material nonlinearities were included in the analysis. Contact surfaces in the joint were modeled as threads. The ...
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