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From homotopy perturbation technique to reduced order model for multiparametric modal analysis of large finite element models

Abstract : The paper focuses on the definition of a reduced order model for linear modal analysis. The aim is to supply a suitable mathematical alternative tool compatible for multiparametric analysis of large finite element model considering numerous variable parameters, numerous mode shapes and significant levels of variation. The initial full eigenvalue problem is so replaced by a reduced one considering an efficient projection basis. To build it, we propose to combine homotopy transformation and perturbation technique for each parameter direction to define a reduced order model compatible with the design space. Finally, a complete finite element application highlights the capabilities of the proposal in terms of precision and computational time.
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https://hal.archives-ouvertes.fr/hal-03359283
Contributor : Isabelle Massa-Turpin Connect in order to contact the contributor
Submitted on : Thursday, September 30, 2021 - 9:41:09 AM
Last modification on : Tuesday, June 28, 2022 - 10:09:39 AM

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Franck Massa, Isabelle Massa-Turpin, Thierry Tison. From homotopy perturbation technique to reduced order model for multiparametric modal analysis of large finite element models. Mechanical Systems and Signal Processing, Elsevier, 2017, 96, pp.291-302. ⟨10.1016/j.ymssp.2017.04.025⟩. ⟨hal-03359283⟩

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