Rigorous analysis of magnetostrictive constitutive models (Conference Presentation)

Alecsander N. Imhof; John P. Domann

doi:10.1117/12.2558677

24 April 2020 Rigorous analysis of magnetostrictive constitutive models (Conference Presentation)

Alecsander N. Imhof, John P. Domann

Proceedings Volume 11377, Behavior and Mechanics of Multifunctional Materials IX; 1137711 (2020) https://doi.org/10.1117/12.2558677
Event: SPIE Smart Structures + Nondestructive Evaluation, 2020, Online Only

Abstract

By providing a fast and accurate constitutive model suitable for use in finite element analysis, a key barrier inhibiting the development of magnetostrictive technologies will be lowered. A magnetostrictive constitutive model must calculate the nonlinear magnetization and magnetostriction of a material in response to magnetic and mechanical loads. This presentation will analyze the accuracy and computational complexity of three different integration methods performing these calculations: Riemann sums, Clenshaw-Curtis (CCQ) quadrature, and Laplace’s Method. We will show how using Laplace’s method provides an accurate and computationally efficient calculation of nonlinear magnetization, magnetostriction, and material properties for use in a FEA program.

Conference Presentation

Citation Download Citation

Alecsander N. Imhof and John P. Domann "Rigorous analysis of magnetostrictive constitutive models (Conference Presentation)", Proc. SPIE 11377, Behavior and Mechanics of Multifunctional Materials IX, 1137711 (24 April 2020); https://doi.org/10.1117/12.2558677

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