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A new approach for a 3D deep drawing using an Asymptotic Numerical method

This paper presents an Asymptotic Numerical Method (A.N.M.) to simulate a 30 bemispherical deep‐drawing of a circular sheet. An elastoplastic model based on the plasticity deformation theory is adopted The problem discretisation is performed by a shell finale element well adapted for problems involving large displacements and large rotations. A comparison with results obtained by the help of the industrial code Abaqus evaluates the performance and the interest of the method.