用大质量法计算东风EQ140汽车前面罩的强迫运动响应

THE CALCULATION OF ENFORCED MOTION RESPONSE OF THE FRONT FACE OF DONGFENG EQ140 TRUCK BY THE LARGE MASS METHOD

摘要: 本文用大质量法进行强迫运动分析的理论结构分析程序ＭＳＣ／ＮＡＳＴＲＡＮ进行了东风ＥＱ１４０汽车前面罩的强迫响应计算，并分析了计算结果．根据计算结果提出的改进方案已被设计部门采用．

Abstract: The structure analysis program MSC/ NASTRAN is used to calculate the enforced motion response of the front face of Dong Feng EQ140 Truck with the Large Mass Method. And the result has been used to imporve the design.