Abstract
AbstractThe safe operation of a compressor machine heavily relies on the proper design of its foundation. The frame-type supporting foundation is usually adopted in engineering. This paper studies the vibration design of the compressor’s foundation. Two types of finite element model for the foundation are considered, which are beam-slab element model and solid element model. By the comparative analysis of vibration mode shape and time-history dynamic calculation, it is concluded that the commonly used beam-slab element model could be unsafe for a design purpose. In contrast, the solid element model is more reliable. Then, the solid element model was used to study the influence of structural arrangement parameters on vibration response, including roof thickness, column’s section size, eccentric unit arrangement and plate cantilever length. It is concluded that the thickness of the top plate has the most significant influence on the vibration response compared to other factors.
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