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The Green functions are the basic elements of the boundary element method. To obtain the boundary integral formulation the Green function and its derivative should be known for the considered differential operator. Today the interesting group of materials are electronic composites. The special case of the electronic composite is the magnetoelectroelastic continuum. The mentioned continuum is a model of the piezoelectric-piezomagnetic composites. The anisotropy of their physical properties makes the problem of Green’s function determination very difficult. For that reason Green’s functions for the magnetoelectroelastic continuum are not known in the closed form and numerical methods should be applied to determine such Green’s functions. These means that the problem of the accurate and simply determination of Green’s function derivatives is even harder. Therefore in the present work the dual number algebra method is applied to calculate numerically the derivatives of 3D Green’s functions for the magnetoelec...

Dual number algebra method for Green’s function derivatives in 3D magneto-electro-elasticity