A splitting positive definite mixed finite element method is proposed for second-order viscoelasticity wave equation. The proposed procedure can be split into three independent symmetric positive definite integro-differential sub-system and does not need to solve a coupled system of equations. Error estimates are derived for both semidiscrete and fully discrete schemes. The existence and uniqueness for semidiscrete scheme are proved. Finally, a numerical example is provided to illustrate the efficiency of the method.
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Aisino Corp Inc, Digital Technol Acad, Beijing 100195, Peoples R ChinaAisino Corp Inc, Digital Technol Acad, Beijing 100195, Peoples R China
Wang, Fang
Chen, Yanping
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S China Normal Univ, Sch Math Sci, Guangzhou 510631, Guangdong, Peoples R ChinaAisino Corp Inc, Digital Technol Acad, Beijing 100195, Peoples R China
Chen, Yanping
Tang, Yuelong
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Hunan Univ Sci & Engn, Dept Math & Computat Sci, Yongzhou 425100, Hunan, Peoples R ChinaAisino Corp Inc, Digital Technol Acad, Beijing 100195, Peoples R China
机构:
Novosibirsk State Univ, Ul Pirogova 2, Novosibirsk 630090, RussiaNovosibirsk State Univ, Ul Pirogova 2, Novosibirsk 630090, Russia
Voronin, K. V.
Laevsky, Yu. M.
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Novosibirsk State Univ, Ul Pirogova 2, Novosibirsk 630090, Russia
Russian Acad Sci, Siberian Branch, Inst Computat Math & Math Geophys, Novosibirsk 630090, RussiaNovosibirsk State Univ, Ul Pirogova 2, Novosibirsk 630090, Russia