空调系统混合建模方法研究

Abstract

Abstract: Modal analysis of air conditioning system is used in air conditioning pipeline design as a guiding role. In this paper, with the idea of hybrid modeling by computing the experimental modal and the finite element modal of the compressor part of the air conditioning outdoor unit, the substructure hybrid modeling method based on the frequency response function is used to calculate the overall modal of the air conditioning system. Compared with the traditional finite element model, the modal frequency is more accurate, the error in 200Hz~300Hz frequency range is less than 2%, which provides reference value for the structure design.

Key words: Hybrid modeling, Experimental modal, Finite element simulation, Air conditioner

LI Shan, XUE Weifei, FENG Jinping. Research on hybrid modeling method of air conditioning system[J]. Journal of Appliance Science & Technology, 2018, 0(12): 75-77.

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Research on hybrid modeling method of air conditioning system

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