| 柔性隔振墙的模型试验数值模拟 |
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| 引用本文： | 黄开勇,向国威,叶冠林,王建华. 柔性隔振墙的模型试验数值模拟[J]. 地下空间与工程学报, 2011, 7(Z1): 1340-1343 |
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| 作者姓名： | 黄开勇 向国威 叶冠林 王建华 |
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| 作者单位： | 上海交通大学土木工程系,上海,200240 |
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| 基金项目： | 上海市科委资助项目(09231201500) |
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| 摘 要： | 首先介绍了泡沫板隔振模型试验的方案,然后利用显式动力有限元计算软件LS-DYNA来模拟模型试验,介绍了数值模型的网格划分、边界设置、参数选取以及荷栽模拟.最后通过数值结果与试验结果的对照,说明了相同的振动衰减规律,肯定了泡沫板的隔振效果,同时从中可以发现模型试验中用于吸振的泡沫板不能完全消除边界对振动波的反射干扰,相比...
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| 关 键 词： | 隔振 模型试验 LS-DYNA:数值模拟 |
Numerical Simulation of Cystosepiment Vibration Isolation Model Test |
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| Huang Kaiyong,Xiang Guowei,Ye Guanlin,Wang Jianhua. Numerical Simulation of Cystosepiment Vibration Isolation Model Test[J]. Chinese Journal of Underground Space and Engineering, 2011, 7(Z1): 1340-1343 |
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| Authors: | Huang Kaiyong Xiang Guowei Ye Guanlin Wang Jianhua |
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| Affiliation: | Huang Kaiyong,Xiang Guowei,Ye Guanlin,Wang Jianhua(Department of Civil Engineering,Shanghai Jiaotong University,Shanghai 200240,China) |
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| Abstract: | Schemes of cystosepiment vibration isolation model test are introduced,and the explicit dynamic FEM calculation software LS-DYNA is utilized to simulate the model test,mesh division of the numerical model as well as its boundary establishment,parameter selection and load simulation is illustrated.Based on comparisons between numerical results and experimental ones,similar vibration attenuation law is showed and the vibration isolation effect of cystosepiment is confirmed,it is also found that the cystosepim... |
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| Keywords: | vibration isolation model test LS-DYNA numerical stimulation |
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