The results after improvement show that the maximum intrusion decreases by 15.8% during the 40% offset impact, with the B pillar ensemble acceleration reduced during the 100% front impact.
改进后的结果表明: 40%偏置碰撞时,最大车身侵入量减小了15.8%; 100%正面碰撞时,B柱的整体加速度减小。
Based on the information of practical survey upon gravity change before and after Haicheng Earthquake, the paper presents a reduced representation for change of acceleration of gravity with time.
本文根据海城地震前后重力变化的实测资料提出重力加速度随时间变化的一种简化表示。
Then the inertia force is reduced by the inconstant acceleration, so that the static rigidity of the machine is raised and the kinetic performance of the machine is improved.
通过变加速方法降低惯性力,提高了机床的静刚度,改善了机床的动力学性能。
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