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Application of multi-grid method on the simulation of incremental forging processes

Abstract : Numerical simulation becomes essential in manufacturing large part by incremental forging processes. It is a splendid tool allowing to show physical phenomena however behind the scenes, an expensive bill should be paid, that is the computational time. That is why many techniques are developed to decrease the computational time of numerical simulation. Multi-Grid method is a numerical procedure that permits to reduce computational time of numerical calculation by performing the resolution of the system of equations on several mesh of decreasing size which allows to smooth faster the low frequency of the solution as well as its high frequency. In this paper a Multi-Grid method is applied to cogging process in the software Forge 3. The study is carried out using increasing number of degrees of freedom. The results shows that calculation time is divide by two for a mesh of 39,000 nodes. The method is promising especially if coupled with Multi-Mesh method.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-01414655
Contributor : Magalie Prudon <>
Submitted on : Monday, December 12, 2016 - 2:45:30 PM
Last modification on : Thursday, September 24, 2020 - 5:22:56 PM

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Mohamad Ramadan, Mahmoud Khaled, Lionel Fourment. Application of multi-grid method on the simulation of incremental forging processes . ESAFORM 2016, Apr 2016, Nantes, France. pp.130004, ⟨10.1063/1.4963523⟩. ⟨hal-01414655⟩

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