Nonlinear Stain of Variable Cross-Section Beam Element Based on Positional FEM

Lv Zhou Ma; Jian Liu; Xun Lin Diao; Xiao Dong Jia

doi:10.4028/www.scientific.net/AMR.557-559.2371

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 557-559Nonlinear Stain of Variable Cross-Section Beam...

Nonlinear Stain of Variable Cross-Section Beam Element Based on Positional FEM

Abstract:

Based on positional finite element method, this paper attempts to find beam elements that can show the characteristics of the variable cross-section beam and can be practically applied. In this paper, the stain on a random point of the variable cross-section beam element is obtained when beam depth changes in a linear or quadratic parabolic way and beam width is fixed. The calculation is different and simpler than the classical nonlinear FEM.