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Article Dans Une Revue Numerical Heat Transfer, Part B Fundamentals Année : 2011

The modal substructuring method: An efficient technique for large-size numerical simulations

Résumé

This article presents an extension of the branch Eigenmodes reduction method (BERM) to substructuring models. One of the method's interests lies in its capacity to build a reduced modal model for complex geometries which are characterized by very large matrix sizes. This article treats a 3-D nonlinear application. Such a substructuring reduced model permits us to obtain precise results over the whole domain, with an important gain of CPU time. In the case considered, a global reduced branch model can also be built. A comparison between the two reduced models shows the interest of the substructuring technique.
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Dates et versions

hal-01176731 , version 1 (18-07-2018)

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Pierre Olivier Laffay, Olivier Quéméner, Alain Neveu, Bilal Elhajjar. The modal substructuring method: An efficient technique for large-size numerical simulations. Numerical Heat Transfer, Part B Fundamentals, 2011, 60 (4), pp.278-304. ⟨10.1080/10407790.2011.609113⟩. ⟨hal-01176731⟩

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