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What is An Advanced Shell Model For The Analysis of Geometrical and Material Nonlinear Shells about?

This paper presents an advanced shell model for analyzing geometrical and material nonlinear shells, enhancing the Reissner–Mindlin theory with fluctuation displacements to improve accuracy in stress predictions. The model employs a nonlinear multi-field variational formulation and introduces a new ansatz with quadratic shape functions, resulting in better convergence, particularly for distorted meshes. Compared to fully 3D solutions, this 2D shell model significantly reduces computational time while accura

Author

Ruy

Language

EN