Variational formulations for TFEM of piezoelectricity
The paper presents a family of variational formulations of Trefftz finite elements wherein the assumed internal displacement and electric potential fields a priori fulfil the governing differential equations of the problem over the element sub-domain, while the inter-element continuity and the boundary conditions are enforced using a modified variational principle together with an independent frame field defined on each element boundary. It is based on four free energy densities, each with two...[Show more]
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|Source:||International Journal of Solids and Structures|
|01_Qin_Variational_formulations_for_2003.pdf||162.58 kB||Adobe PDF||Request a copy|
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