Optimization Of Water Tank Superstructures For Fire Fighting Vehicles

Mohd Zaid, Sokayail (2011) Optimization Of Water Tank Superstructures For Fire Fighting Vehicles. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Water tank superstructure is use to support fire fighting water tank and other payload integrates with it. It mounts on the vehicle main chassis, thus refinement need to be made in order to reduce the structural weight and manufacturing cost. Nowadays with the capabilities of advanced computer aided design and engineering tools, the process of structural design in the automotive industry has been significantly refined. The application of FEA such as structural modification and optimization is used to reduce component complexity, weight and subsequently cost. Because the level of model complexity can be high, the opportunity for error can also be high. For this reason, some form of model verification is needed before design decisions made in the FEA environment can be implemented in production with high confidence. This thesis project involved static and dynamics analysis to determine key characteristics of a water tank cladding. The static characteristics include identifying location of high stress area and deflection area. The dynamic characteristics of truck chassis such as the natural frequency and mode shape were determined by using finite element method. Model updating of water tank cladding model was done by alters the structure dimension and added stiffener such as hollow beam or c-channel beam. The purpose of these modifications was proposed to reduce the vibration, improve the strength, and optimize the weight of the tank cladding.

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