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考虑剪切变形的复杂刚架结构动力学特性分析
  • ISSN号：1004-132X
  • 期刊名称：中国机械工程
  • 时间：2014
  • 页码：1922-1925
  • 分类：TH113[机械工程—机械设计及理论]
  • 作者机构：[1]哈尔滨工业大学,哈尔滨150001, [2]中国工程物理研究院总体工程研究所,绵阳621900, [3]北京工业大学,北京100124
  • 相关基金：基金项目：国家自然科学基金资助项目（11172084,50935002）
  • 相关项目：轻质点阵夹芯结构主被动一体化振动控制研究
作者： 鄂林仲阳|刘春川|李凤明|
关键词： 谱元法, 刚架结构, Timoshenko梁模型, 动力学响应, spectral element method, rigid frame structure, Timoshenko beam model, dynamics re-sponse
中文摘要：

采用谱元法计算分析了复杂刚架结构的动力学响应特性，建立了直杆和Timoshenko梁的局部动力刚度阵，并组装得到了整体刚架结构的动力刚度阵。计算了刚架结构的频响曲线，并与有限元法得到的结果进行了比较，获得了刚架的固有频率和冲击载荷作用下的频域曲线。研究结果表明，谱元法可有效且准确地分析刚架结构的动力学响应特性，尤其适合中高频动态响应特性分析，与有限元方法相比，其精度高且用时短。

英文摘要：

A spectral element method was used to analyze dynamics response characteristics of the complex rigid frame structure .The local dynamic stiffness matrices of straight bar and Timoshenko beam could be established ,and the global dynamic stiffness matrix of the frame structures could be obtained .Comparing frame harmonic response based on spectral element method and finite element method ,and calculating the natural frequencies and frequency domain results under impact load fur-ther ,it show s that the spectral element method can be used effectively and accurately to analyze the dynamic response characteristics of complex frame structures ,especially for the high frequency re-sponses ,and the precision and efficiency are high compared with the finite element method .

同期刊论文项目
空间新型大尺度可折展式机构创新设计理论与方法研究
期刊论文 75 会议论文 25 专利 21
轻质点阵夹芯结构主被动一体化振动控制研究
期刊论文 67 会议论文 2 获奖 4
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期刊信息
  • 《中国机械工程》
  • 中国科技核心期刊
  • 主管单位:中国科学技术协会
  • 主办单位:中国机械工程学会
  • 主编：董仕节
  • 地址：湖北工业大学772信箱
  • 邮编：430068
  • 邮箱：paper@cmemo.org.cn
  • 电话：027-87646802
  • 国际标准刊号：ISSN：1004-132X
  • 国内统一刊号：ISSN：42-1294/TH
  • 邮发代号:38-10
  • 获奖情况:
  • 1997年获中国科协期刊一等奖，第二届全国优秀科技...,机械行业优秀期刊一等奖,1999年获首届国家期刊奖,2001年获首届湖北十大名刊,中国期刊方阵“双高”期刊,2003第二届国家期刊奖提名奖,百种中国杰出学术期刊
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘（网络版）,荷兰文摘与引文数据库,美国剑桥科学文摘,英国科学文摘数据库,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:50788