### Abstract

A stress-based approach to the analysis of linear electro-magneto-elastic materials is proposed. Firstly, field equations for linear electro-magneto-elastic solids are given in detail. Next, as a counterpart of coupled governing equations in terms of the displacement field, generalized stress equations of motion for the analysis of three-dimensional (3D) problems Are obtained – they supply a more convenient basis when mechanical boundary conditions are entirely tractions. Then, a sufficient set of conditions for the corresponding solution of generalized stress equations of motion to be unique are detailed in a uniqueness theorem. A numerical passage to obtain the solution of such equations is then given by generalizing a reciprocity theorem in terms of stress for such materials. Finally, as particular cases of the general 3D form, the stress equations of motion for planar problems (plane strain and Generalized plane stress) for transversely isotropic media are formulated.

Original language | English (US) |
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Pages (from-to) | 3806-3822 |

Number of pages | 17 |

Journal | Mathematics and Mechanics of Solids |

Volume | 24 |

Issue number | 12 |

DOIs | |

State | Published - Dec 1 2019 |

### Keywords

- Stress formulation
- alternative equations of motion
- elastodynamics
- electro-magneto-elastic materials

### ASJC Scopus subject areas

- Mathematics(all)
- Materials Science(all)
- Mechanics of Materials

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## Cite this

*Mathematics and Mechanics of Solids*,

*24*(12), 3806-3822. https://doi.org/10.1177/1081286519857127