Accepted paper: Computational electro- and magneto-elasticity for quasi-incompressible media immersed in free space

An article co-authored by Dr Andrew McBride and Jean-Paul Pelteret, Denis Davydov, Andrew McBride, Duc Khoi Vu & Paul Steinmann has been published in the International Journal for Numerical Methods in Engineering.

In this work a mixed variational formulation to simulate quasi-incompressible electro- or magneto-active polymers immersed in the surrounding free space is presented. A novel domain decomposition is used to disconnect the primary coupled problem and the arbitrary free space mesh update problem. Exploiting this decomposition we describe a block iterative approach to solving the linearised multiphysics problem, and a physically and geometrically based, three-parameter method to update the free space mesh. Several application-driven example problems are implemented to demonstrate the robustness of the mixed formulation for both electro-elastic and magneto-elastic problems involving both finite deformations and quasi-incompressible media.

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