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ANALYTICAL MODEL BEHAVIOR FOR BOLTED METAL-3D WOVEN COMPOSITE JOINTS

Abstract : This research work deals with development of a simplified beam model for 3D woven-metal bolted joints behavior. An analytical model called "bending beam model" applied to homogenous materials has been identified and investigated. Its adjustability to our application was confirmed through comparisons with Finite Element models on equivalent geometric configurations and several load cases. Then, a strategy is set in order to extend the model to composite joining behavior based on beam theory. The main idea consists on searching an equivalent stiffness able to describe the global composite behavior under bending loading. Thus, bending stiffness of an orthotropic beam under plan stress is considered. Stiffness calculation is necessary in bolted joint design. Hence, A method is proposed to take into account the out-of-plan stiffness of the beam. Finally, the pseudo homogenous behavior of the composite based on equivalent stiffness formulation is implemented in the analytical model and composite beam theory is applied. Results are compared to a 3D Finite Element model.
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https://hal.insa-toulouse.fr/hal-02518535
Contributor : Wafaa El Masnaoui <>
Submitted on : Wednesday, March 25, 2020 - 12:01:57 PM
Last modification on : Wednesday, June 24, 2020 - 4:18:58 PM

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  • HAL Id : hal-02518535, version 1

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W Masnaoui, Alain Daidié, Frederic Lachaud, C Paleczny. ANALYTICAL MODEL BEHAVIOR FOR BOLTED METAL-3D WOVEN COMPOSITE JOINTS. European Conference on Composite Materials, Jun 2018, Athènes, Greece. pp.24 - 28. ⟨hal-02518535⟩

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