三维粘弹性分层介质中平稳随机波的传播

高强; 林家浩

三维粘弹性分层介质中平稳随机波的传播

高强,
林家浩

大连理工大学工业装备结构分析国家重点实验室,辽宁大连 116023

基金项目: 国家自然科学基金资助项目(10472023);教育部高等学校博士学科点专项科研基金资助项目(20040141020)

详细信息

作者简介:
高强(1978- ),男,博士生(Tel:+86-411-84700230;E-mail:gaoqiang@student.dlut.edy.cn);林家浩(1941- ),男,教授,博士生导师(联系人.Tel+86-411-84709403;Fax:+86-411-84708400;E-mail:jilin@dlut.edu.cn).

中图分类号: TU352
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- 文章访问数: 2814
- HTML全文浏览量: 151
- PDF下载量: 485
- 被引次数: 0
出版历程
- 收稿日期: 2004-01-08
- 修回日期: 2004-12-06
- 刊出日期: 2005-06-15

Stationary Random Waves Propagation in 3D Viscoelastic Stratified Solid

State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116023, P. R. China

摘要

摘要: 研究平稳随机波在粘弹性分层横观各向同性介质中的传播问题．将岩层考虑为分层介质，各层性质不同，岩层位于基岩上面，并且认为基岩比岩层刚很多，在基岩处给出随机激励．在频率和波数域中将控制方程化为常微分方程求解．对常微分方程，应用两点边值问题的精细积分法进行求解．因此，近年来发展的应用于结构随机振动的虚拟激励法可推广于当前分层岩层响应的计算．
- 分层介质 /
- 精细积分法 /
- 虚拟激励法 /
- 波传播 /
- 随机振动
Abstract: Propagation of stationary random waves in viscoelastic stratified transverse isotropic materials is investigated.The solid was considered multi-layered and located above the bedrock,which was assumed to be much stiffer than the soil,and the power spectrum density of the stationary random excitation was given at the bedrock.The governing differential equations are derived in frequency and wave-number domains and only a set of ordinary differential equations (ODEs) must be solved.The precise integration algorithm of two-point boundary value problem was applied to solve the ODEs.Thereafter,the recently developed pseudo-excitation method for structural random vibration is extended to the solution of the stratified solid responses.
- layered material /
- precise integration /
- pseudo-excitation method /
- wave propagation /
- random vibration

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参考文献(28)

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三维粘弹性分层介质中平稳随机波的传播

作者简介:
高强(1978- ),男,博士生(Tel:+86-411-84700230;E-mail:gaoqiang@student.dlut.edy.cn);林家浩(1941- ),男,教授,博士生导师(联系人.Tel+86-411-84709403;Fax:+86-411-84708400;E-mail:jilin@dlut.edu.cn).

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Stationary Random Waves Propagation in 3D Viscoelastic Stratified Solid

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留言板

三维粘弹性分层介质中平稳随机波的传播

作者简介: 高强(1978- ),男,博士生(Tel:+86-411-84700230;E-mail:gaoqiang@student.dlut.edy.cn);林家浩(1941- ),男,教授,博士生导师(联系人.Tel+86-411-84709403;Fax:+86-411-84708400;E-mail:jilin@dlut.edu.cn).

计量

出版历程

Stationary Random Waves Propagation in 3D Viscoelastic Stratified Solid

计量

出版历程

目录

作者简介:
高强(1978- ),男,博士生(Tel:+86-411-84700230;E-mail:gaoqiang@student.dlut.edy.cn);林家浩(1941- ),男,教授,博士生导师(联系人.Tel+86-411-84709403;Fax:+86-411-84708400;E-mail:jilin@dlut.edu.cn).