Geodesic
Lagrange variational principle in the micropolar elasticity theory for non-isothermal processes
Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 4 (2023), pp. 64-68

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In this paper, a variational principle of Lagrange, the Ritz method and piecewise polynomial serendipity shape functions are used to obtain a stiffness matrix and a system of linear algebraic equations in the micropolar theory of elasticity for anisotropic, isotropic and centrally symmetric material in case of a non isothermal process. 
@article{VMUMM_2023_4_a11,
     author = {A. V. Romanov},
     title = {Lagrange variational principle in the micropolar elasticity theory for non-isothermal processes},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {64--68},
     publisher = {mathdoc},
     number = {4},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2023_4_a11/}
}
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A. V. Romanov. Lagrange variational principle in the micropolar elasticity theory for non-isothermal processes. Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 4 (2023), pp. 64-68. http://geodesic.mathdoc.fr/item/VMUMM_2023_4_a11/