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Simulation of Structural Applications and Sheet Metal Forming Processes Based on Quadratic Solid–Shell Elements with Explicit Dynamic Formulation

Article dans une revue avec comité de lecture
Auteur
CHALAL, Hocine
243747 Labex DAMAS
178323 Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux [LEM3]
ABED-MERAIM, Farid
178323 Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux [LEM3]
243747 Labex DAMAS

URI
http://hdl.handle.net/10985/19667
DOI
10.1142/s1758825119500820
Date
2019
Journal
International Journal of Applied Mechanics

Résumé

In this work, nonlinear dynamic analysis of thin structures is investigated using quadratic solid–shell (SHB-EXP) elements. The proposed SHB-EXP elements are based on a fully three-dimensional formulation using an in-plane reduced-integration scheme along with the assumed-strain method in order to alleviate most locking phenomena. These developments consist of a 20-node hexahedral element, denoted SHB20-EXP, and its 15-node prismatic counterpart, denoted SHB15-EXP. The formulation of these elements is combined with fully three-dimensional behavior models, including elastic behavior as well as anisotropic plastic behavior for metallic materials. The resulting formulations are implemented into the ABAQUS explicit/dynamic software package in the framework of large displacements and rotations. First, to assess the performance of the SHB-EXP elements, four representative nonlinear dynamic benchmark tests have been conducted. Then, impact/crash problem and deep drawing of cylindrical cup have been performed to demonstrate the capabilities of the SHB-EXP elements in handling various types of nonlinearities (large strains, anisotropic plasticity, and double-sided contact). Comparisons with results obtained by ABAQUS elements as well as with reference solutions taken from the literature show the good capabilities of the developed quadratic SHB-EXP elements for the explicit dynamic simulation of thin structures.

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Documents liés

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  • Investigation of ductility limits based on bifurcation theory coupled with continuum damage mechanics 
    Article dans une revue avec comité de lecture
    BOUKTIR, Yasser; CHALAL, Hocine; HADDAD, Moussa; ABED-MERAIM, Farid (Elsevier, 2016)
    The ductility limits of an St14 steel are investigated using an elastic‒plastic‒damage model and bifurcation theory. An associative J2-flow theory of plasticity is coupled with damage within the framework of continuum ...
  • Evaluation of a new solid-shell finite element on the simulation of sheet metal forming processes 
    Communication avec acte
    CHALAL, Hocine; SALAHOUELHADJ, Abdellah; ABED-MERAIM, Farid (Wiley, 2012)
    In this paper, the performance of the solid-shell finite element SHB8PS is assessed in the context of sheet metal forming simulation using anisotropic elastic-plastic behavior models. This finite element technology has ...
  • Quadratic solid‒shell elements for nonlinear structural analysis and sheet metal forming simulation 
    Article dans une revue avec comité de lecture
    WANG, Peng; CHALAL, Hocine; ABED-MERAIM, Farid (Springer Verlag, 2017)
    In this paper, two quadratic solid‒shell (SHB) elements are proposed for the three-dimensional modeling of thin structures. These consist of a twenty-node hexahedral solid‒shell element, denoted SHB20, and its fifteen-node ...
  • Linear and Quadratic Solid-Shell Elements for Quasi-Static and Dynamic Simulations of Thin 3D Structures: Application to a Deep Drawing Process 
    Article dans une revue avec comité de lecture
    WANG, Peng; CHALAL, Hocine; ABED-MERAIM, Farid (Univerza v Ljubljani Fakulteta za strojništvo, 2017)
    A family of prismatic and hexahedral solid–shell (SHB) elements, with their linear and quadratic versions, is proposed in this work to model thin structures. The formulation of these SHB elements is extended to explicit ...
  • Quadratic solid–shell finite elements for geometrically nonlinear analysis of functionally graded material plates 
    Article dans une revue avec comité de lecture
    CHALAL, Hocine; ABED-MERAIM, Farid (MDPI, 2018)
    In the current contribution, prismatic and hexahedral quadratic solid–shell (SHB) finite elements are proposed for the geometrically nonlinear analysis of thin structures made of functionally graded material (FGM). The ...

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