ELEMENT-FREE GALERKIN METHOD FOR NUMERICAL ANALYSIS OF CIRCULAR MINDLIN PLATE BENDING ON A WINKLER FOUNDATION
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摘要: 无单元伽辽金法(Element Free Galerkin Methods,EFGM)是一种典型的无网格分析方法,理论上具有创新性并具备了完整的结构。该方法根据最小二乘插值方法,得出无单元伽辽金法场函数的近似方案,基于Mindlin中厚板理论,建立Winkler地基上圆形厚板弯曲挠度的EFGM法求解控制方程,并据此编制相应的计算程序,算例分析表明该方法有效可行,为工程实践中圆板的弯曲问题提供了一种新型有效的计算方法。Abstract: The Element-Free Galerkin Method(EFGM) is a typical kind of meshless method,it has innovation theory and complete structure.Constructing interpolation function by using the moving least-squares technique,it was obtained a approximate scheme of field function.Based on the Mindlin plate theory,the governing equations of EFGM to deflection solution of circular mindlin plate bending on Winkler elastic soil foundation were established.Numerical results indicated that the above method and the corresponding program were effective and accurate.The work of this paper provided a new effective method for the bending of circular plate in practice.
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刘东,刘龙泉. 弹性地基上圆板在中心集中力作用下的大挠度问题[J].重庆建筑工程学院学报,1992,(04):78-83. 何芳社,黄义,吴艳红. 弹性半空间上中厚圆板弯曲的Fourier.Bessel级数解[J].力学季刊,2007,(03):485-490. Nguycn V P,Rabczuk T,Bordas S. Meshless Methods:A Review and Computer Implementation Aspects[J].Mathematics and Computers in Simulation,2008,(03):763-813. Belytschko T,Krongauz Y,Organ D. Meshless Methods:an Overview and Recent Developments[J].Computation Methods Apply Mechanic Engineering,1996.3-7.doi: 10.1016/S0045-7825(96)01078-X. Belytschko T,Lu Y Y,Gu L. Element-Free Galerkin Methods[J].International Journal for Numerical Methods in Engineering,1994.229-256. Ouatouati A E,Johnson D A. A New Approach for Numerical Modal Analysis Using the Element Free Method[J].International Journal for Numerical Methods in Engineering,1999.1-27. 张建辉,邓安福. 无单元法在筏板基础计算中的应用[J].岩土工程学报,1999,(06):691-695. 张建辉,邓安福. 无单元法在弹性地基板计算中的应用[J].重庆建筑大学学报,1999,(02):84-88. 王勖成,邵敏. 有限单元法基本原理和数值方法[M].北京:清华大学出版社,1997. 包彦. 带裙房高层建筑与地基基础共同作用的理论应用与工程实践研究[D].上海:同济大学,2003. 曾祥勇,邓安福. 弹性地基上水工结构各向异性Mindlin底板计算分析的无单元法(EFGM)[J].岩土力学,2006,(增刊2):1029-1032. 邓安福,李正良,干滕君. 弹性地基上厚板的计算分析[J].岩土工程学报,2003,(06):653-657. 柯列湟夫BT. 弹性地基上板和梁的计算问题[M].北京:中国建筑工业出版社,1994. 支喜兰,王秉剐. 弹性地基上圆形厚板的有限层分析[J].西安公路学院学报,1989,(04):50-57.
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