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New Developments In The Radial Basis Functions Analysis Of Composite Shells

机译:复合材料壳体径向基函数分析的新进展

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In this paper, we use the third order shear deformation theory of Reddy [Reddy JN. Mechanics of laminated composite plates and shells. CRC Press; 2004] with a meshless numerical method to analyze the static deformation of composite plates and shells. Numerical results are compared with Navier solutions in various examples. The meshless collocation method based on radial basis functions requires a user-defined shape parameter than can compromise the quality of the solution when poorly chosen. To improve the choice of this shape parameter, we apply an optimization technique based on the Ieave-one-out cross validation analysis to obtain the shape parameter in a given interval. The results obtained were significantly better than those produced with a user-defined shape parameter.
机译:在本文中,我们使用Reddy的三阶剪切变形理论[Reddy JN。层压复合板和壳的力学。 CRC Press; [2004]用无网格数值方法分析复合材料板和壳的静态变形。在各个示例中,将数值结果与Navier解决方案进行了比较。基于径向基函数的无网格搭配方法需要用户定义的形状参数,当选择不当时,该参数可能会损害解决方案的质量。为了改善此形状参数的选择,我们基于Ieave-one-out交叉验证分析应用了一种优化技术,以获取给定间隔内的形状参数。获得的结果明显优于使用用户定义的形状参数产生的结果。

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