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《能源前沿(英文)》 >> 2008年 第2卷 第4期 doi: 10.1007/s11708-008-0097-z

Integrated virtual-design methods for forecasting radiated noise of single cylinder diesel block

Department of Mechanical and Energy Engineering, Zhejiang University

发布日期: 2008-12-05

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摘要

The two cycle dynamical results, such as the bearing load, the piston thrust, and the load spatial distribution etc., were obtained by hybrid dynamical simulation of the flexible assembly of the block and crank-train. The finite element model of the block was validated by modal test. The frequency response of the block was calculated using the finite element method (FEM). Finally, the radiated noise such as sound power level and efficiency in the out sound field were obtained using the direct boundary element method (BEM).

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