Element Free Galerkin Formulation of Composite Beams with Longitudinal and Transverse Partial Interactions

Dzulkarnain Ahmad; Airil Yasreen Mohd Yassin; Ahmad Kueh

doi:10.4028/www.scientific.net/AMM.166-169.3237

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 166-169Element Free Galerkin Formulation of Composite...

Element Free Galerkin Formulation of Composite Beams with Longitudinal and Transverse Partial Interactions

Abstract:

Partial interaction between two different materials of composite beam is consequent from longitudinal slip and transverse uplift effects at interfacial surface. The behaviour has yielded higher order differential equation as compared to beam that interacts fully. In this paper, a meshless approach for the analysis of composite beam with partial interaction by Element Free Galerkin (EFG) method is formulated and investigated. Discretized solely by nodes, the Moving Least Square (MLS) method is adopted for the EFG shape functions formulation and the variational approach is chosen in developing its Galerkin weak form. The weak form essential boundary conditions are enforced by Lagrange multiplier, where comparable results are obtained between developed EFG code and established analytical solutions. In addition, influence of various weight functions on shape function smoothness of EFG code is explored.

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Periodical:

Applied Mechanics and Materials (Volumes 166-169)

Pages:

3237-3240

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.166-169.3237

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Online since:

May 2012

Authors:

Dzulkarnain Ahmad, Airil Yasreen Mohd Yassin, Ahmad Kueh

Keywords:

Composite Beam, Element Free Galerkin Method, Moving Least Square, Partial Interaction

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