| 用模态法识别结构弹性碰撞载荷的可行性 |
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| 引用本文： | 邢誉峰,诸德超.用模态法识别结构弹性碰撞载荷的可行性[J].力学学报,1995,27(5):560-566. |
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| 作者姓名： | 邢誉峰 诸德超 |
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| 作者单位： | 北京航空航天大学固体力学所，100083 |
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| 摘 要： | 本文在探讨杆的纵向和横向碰撞问题基础上，论证了用模态叠加法求解结构弹性撞击载荷的可行性。发展了识别撞击载荷的数值方法。用波传播理论、弹性接触理论和模态理论等有关知识对载荷历程进行了分析和解释，并验证了所给方法的精度和实用性。
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| 关 键 词： | 碰撞 接触 工程结构 工程动力学 |
THE FEASIBILITY OF THE DETERMINATION OF RIGID/ELASTIC IMPACT LOADS BETWEEN STRUCTURES WITH THE METHOD OF MODE SUPERPOSITION |
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| XingYufeng,ZhuDechao.THE FEASIBILITY OF THE DETERMINATION OF RIGID/ELASTIC IMPACT LOADS BETWEEN STRUCTURES WITH THE METHOD OF MODE SUPERPOSITION[J].chinese journal of theoretical and applied mechanics,1995,27(5):560-566. |
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| Authors: | XingYufeng ZhuDechao |
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| Abstract: | In this paper,the problem of both the lateral and the logitudinal impactof bars is investigated.The feasibility of the dertermination of rigid / elastic impact loadsbetween structures with the method of mode superposition is verified。A numerical integra-tion method is developed to evaluate the time history of the impaact load , and the obtainedresults are analyzed and interpreted through the use of the theories of wave propagation,elastic contact and vibration modes。The accuracy and utility of the given me... |
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| Keywords: | impact contact modes wave propgation time integration |
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