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Geometrically nonlinear analysis of functionally graded materials based on reproducing kernel particle method

机译:基于再现核颗粒法的功能梯度材料几何非线性分析

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摘要

Using the total Lagrange formulation, the reproducing kernel particle method (RKPM) for the geometrically nonlinear problem of the functionally graded materials (FGM) is proposed, and the corresponding formulae are derived. The displacement boundary condition is applied by the penalty method, and the numerical solution is solved by Newton-Raphson (N-R) iterative method. Furthermore, penalty factor, the control parameter of influence domain radius, loading step number and node distribution are discussed. Finally, the numerical examples illustrate that the RKPM for the geometrically nonlinear problem of the FGM is correct and effective.
机译:提出了使用总拉拉格制剂,提出了用于功能梯度材料(FGM)的几何非线性问题的再生核颗粒方法(RKPM),并导出相应的公式。惩罚方法施加位移边界条件,通过牛顿-Raphson(N-R)迭代方法解决了数值解决方案。此外,讨论了惩罚因子,影响域半径,加载步数和节点分布的控制参数。最后,数值示例说明了FGM的几何非线性问题的RKPM是正确且有效的。

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