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Dynamic analysis of Compressor Mounting Bracket in Automobiles


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DOI: https://doi.org/10.15866/ireme.v12i1.13272

Abstract


The experimental modal analysis has developed very fast since the start of digital FFT spectrum analyzer in the early 1970s. Nowadays, impact testing (or bump testing) has become well-known as quick and economical option to find the modes of vibration of a machine or structure. This paper presents the comparison of the experimental and numerical modal analysis of a compressor mounting bracket (CMB) made of Aluminum and mild steel. The dynamic behavior of CMB is investigated by performing the model analysis in Ansys-15 software. The 3-D finite element models are constructed using Altair Hyper Mesh and a numerical modal analysis is then performed to generate mode shapes and natural frequencies in three-orthogonal directions. The both finite element model agrees well with the simulation tests and eventually helps the designer to act upfront with much lesser cost and experimentation time.
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Keywords


Dynamic Analysis; Mode Shapes; Compressor Mounting Bracket (CMB)

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References


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