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三轴围压下砂浆弹塑性损伤变形过程的细观力学分析
  • ISSN号：1000-4750
  • 期刊名称：《工程力学》
  • 时间：0
  • 分类：O327[理学—一般力学与力学基础;理学—力学] TM312[电气工程—电机]
  • 作者机构：[1]State Key Laboratory of-Nonlinear Mechanics （LN M）, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China, [2]Faculty of Information and Automation, Kunming University of Science and Technology, Kunming 650051, China, [3]Department of Civil Engineerning, Guangdong Technical College of Water Resources and Electric Engineering, Guangzhou 510635, China, [4]Department of Mechanical Engineering, University of Connecticut, Storrs, CT 06269, USA
  • 相关基金：Project supported by the National Natural Science Foundation of China（NSFC, Grant Nos. 10721202 and 11023001） and by Chinese Academy of Sciences（Grant No. KJX2-EW-L03）.
作者： 刘芳[1], 付强[1], 陈岑[1], 梁乃刚[1]
关键词： 支撑结构, 固有频率, 弹性地基, 支撑梁, 屈曲荷载, 特征值问题, 休息, 屈曲载荷, beam, elastic foundation, buckling, eigenfrequency, curve crossing, curve veering
中文摘要：

弄弯的负担的特征值问题和一个有弹性的基础上的一根 braced 横梁的自然频率被调查。特征值的准确解决方案被介绍。特征值与不同参数变化并且对钩住地点特别敏感。作为一个连续系统的横梁，无限的特征值和这些特征值被钩住不同地影响了，特征值表演富人变化模式。因为这些特征值身体上对应于弄弯负担和自然频率的结构，特征值变化模式上的学习能提供使用翻译春天的侧面的钩住加强结构的设计指导。

英文摘要：

The eigenvalue problems of the buckling loads and natural frequencies of a braced beam on an elastic foundation are investigated. sented. The eigenvalues vary with the different The exact solutions for the eigenvalues are preparameters and are especially sensitive to the brace location. As the beam of a continuous system has infinite eigenvalues and these eigenvalues are influenced differently by a brace, the eigenvalues show rich variation patterns. Because these eigenvalues physically correspond to the structure buckling loads and natural frequencies, the study on the eigenvalues variation patterns can offer a design guidance of using a lateral brace of translation spring to strengthen the structure.

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期刊信息
  • 《工程力学》
  • 中国科技核心期刊
  • 主管单位:中国科学技术协会
  • 主办单位:中国力学学会
  • 主编：袁驷
  • 地址：北京清华大学新水利馆114号
  • 邮编：100084
  • 邮箱：gclxbjb@tsinghuae.du.cn
  • 电话：010-62788648
  • 国际标准刊号：ISSN：1000-4750
  • 国内统一刊号：ISSN：11-2595/O3
  • 邮发代号:82-862
  • 获奖情况:
  • 1999年获在物理、力学类刊物中影响因子位居第二（0...
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  • 被引量:32789