Application of moving least square method for large deformation analysis of the conical shells

• Main Authors: Shao-PinWu, 吳紹彬
• Other Authors: Yung-Ming Wang
• Format: Others
• Language: zh-TW
• Published: 2015
• Online Access: http://ndltd.ncl.edu.tw/handle/f85cb4

碩士 === 國立成功大學 === 土木工程學系 === 103 === In this article, the assumption of first-order shear deformation and the principle of virtual work are employed to derive large deformation theory of conical shells. With the quasi-Hermite type formulation in moving least squares method (MLS), it can handle equilibrium equations, constitutive relations, to get the numerical solution. When solving the numerical solution, nonlinear equilibrium equations of the conical shells under large deformation is linearized by using the Newton-Raphson method, and using the iterative process to approximate it, and calculate the resulting force, and bending moments after large deformation. The numerical examples of the nonlinear behavior of conical shells are discussed, it include the buckling behavior of conical shells, nonlinear behavior of the shell under internal pressure, and the snap through behavior of opened conical shell.