304 物理座標に再変換するモード合成法による非線形動的挙動解析

概要

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We present a nonlinear dynamic analysis of rough-road testing for a hydraulic excavator using a component mode synthesis method with retransformed physical coordinates. Simulation technique in advance on design stage lead us to break through a retrial development, and to success the speedy development of new products on construction machinery. The motion of the hydraulic excavator on rough-road testing involves dynamics of vehicle structure and contact with ground. After the vehicle structure is modeled by using FEM, the FE model is transformed to a super-element using the component mode synthesis method with retransformed physical coordinates. The calculation results show that accuracy is equivalent with conventional method, and that the proposed method is useful for nonlinear dynamic analysis.
一般社団法人日本機械学会の論文
2000-09-01