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时域自适应算法求解弹性地基薄板的动力问题
  • ISSN号：1000-4939
  • 期刊名称：应用力学学报
  • 时间：2012
  • 页码：164-169
  • 分类：O327[理学—一般力学与力学基础;理学—力学]
  • 作者机构：[1]大连理工大学工业装备结构分析国家重点实验室/工程力学系,大连116024
  • 相关基金：国家自然科学基金（10421002;10772035;10721062;11072043）; 973项目（2005CB321704;2010CB832703）; 辽宁省中青年学术带头人基金
  • 相关项目：基于代理模型的多宗量粘弹性反问题的数值求解
作者： 杨海天，李哈汀|
关键词： 弹性地基薄板, 动力问题, 时域自适应算法, 有限元法
中文摘要：

为更精确地求解弹性地基薄板的动力响应,发展了一种分段时域自适应算法,通过变量在离散时段内的展开,将时空耦合的初边值问题转化为一系列递推的基于有限元（FEM）的空间问题求解,通过自适应计算保持稳定的计算精度。数值算例表明：本文解与解析解相比最大相对误差不超过3.59%;当步长较大时四阶Runge-Kutta法和Newmark法均失效,本文所提算法仍可得到满意的计算结果。

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期刊信息
  • 《应用力学学报》
  • 北大核心期刊（2011版）
  • 主管单位:国家教育部
  • 主办单位:西安交通大学
  • 主编：陈宜亨
  • 地址：西安市咸宁西路28号西安交通大学
  • 邮编：710049
  • 邮箱：cjam@mail.xjtu.edu.cn
  • 电话：029-82668756
  • 国际标准刊号：ISSN：1000-4939
  • 国内统一刊号：ISSN：61-1112/O3
  • 邮发代号:
  • 获奖情况:
  • 国际工程索引（EI）及我国力学类核心期刊
  • 国内外数据库收录:
  • 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,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:8573