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| 1 | ELASTO-PLASTICITY ANALYSIS BASED ON COLLOCATION WITH THE MOVING LEAST SQUARE METHOD显示文摘A meshless approach based on the moving least square method is developed for elasto-plasticity analysis, in which the incremental formulation is used. In this approach, the displacement shape functions are constructed by using the moving least square approximation, and the discrete governing equations for elasto-plastic material are constructed with the direct collocation method. The boundary conditions are also imposed by collocation. The method established is a truly meshless one, as it does not need any mesh, either for the purpose of interpolation of the solution variables, or for the purpose of construction of the discrete equations. It is simply formulated and very efficient, and no post-processing procedure is required to compute the derivatives of the unknown variables, since the solution from this method based on the moving least square approximation is already smooth enough. Numerical examples are given to verify the accuracy of the meshless method proposed for elasto-rdasticity analysis. | Song Kangzu Zhang Xiong Lu Mingwan (Department of Engineering Mechanics,Tsinghua University,Beijing 100084,China) | 2003 | Acta Mechanica Solida Sinica2003，16，2： | 2 |
| 2 | Arbitrary polygonal 2D finite elements 显示文摘 | Fan Yaling Zhang Gaoyuan Lu Mingwan | 1995 | Chinese Journal of Mechanics1995，27，6： | 1 |
| 3 | Meshless methods based on collocation with radial basic function 显示文摘 | Zhang Xiong Lu Mingwan Song Kangzu | 2000 | Comput Mech2000，26，4： | 1 |
| 4 | Elasto-plastic behavior of pipe subjected to steady axial load and cyclic bending显示文摘 | Yao Yanping Lu Mingwan Zhang Xiong | 2004 | Nuclear Engineering and Design2004，229，： | 1 |
| 5 | Meshless method based on collocation with radial basis functions显示文摘 | Zhang Xiong Song Kangzu Lu Mingwan | 2000 | Comput Mech2000，26，4： | 1 |
| 6 | Two-step approach of stress classification and primary structure method显示文摘 | LU Mingwan CHEN Yong LI Jianguo | 2000 | JPressure Vessel Tech2000，122，1： | 1 |
| 7 | Primary Structure-An important concept to distinguish primary stresses 显示文摘 | LU Mingwan LI Jianguo | 1996 | Seismic Engineering ASME PVP1996，340，： | 1 |
| 8 | Primary structure an important concept to distinguish primary stresses显示文摘 | LU MingWan LI JinaGuo | 1996 | Seismic Engineering American Society of Mechanical Engineers Pressure Vessel and Piping(ASME PVP)1996，340，： | 1 |
| 9 | Meshless method based on collocation with radial basis function显示文摘 | Zhang Xiong Song Kangzu Lu Mingwan | 2000 | Comput Mech2000，26，4： | 1 |
| 10 | Imposition of essential boundary conditions by displacement constraint equations in meshless methods 显示文摘 | Zhang Xiong Liu Xin Lu Mingwan | 2001 | Communications in Numerical Methods in Engineering2001，17，： | 1 |
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