We consider parameter estimation of elastic media. By energy method we demonstrate that the parameter-to-output map is twice Frechet differentiable and illustrate quasi-Newton algorithms to simultaneously recover the density and the Lame parameters of elastic media. The convergences of the iterative procedures are also proved.
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Army Mil Transportat Univ, Dept Basic Sci, Tianjin 300161, Peoples R ChinaArmy Mil Transportat Univ, Dept Basic Sci, Tianjin 300161, Peoples R China
Li, Changguo
Pei, Yongzhen
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Tianjin Polytech Univ, Sch Sci, Tianjin 300161, Peoples R China
Tianjin Polytech Univ, Sch Comp Sci & Software Engn, Tianjin 300387, Peoples R ChinaArmy Mil Transportat Univ, Dept Basic Sci, Tianjin 300161, Peoples R China
Pei, Yongzhen
Zhu, Meixia
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Tianjin Polytech Univ, Sch Sci, Tianjin 300161, Peoples R China
Tianjin Polytech Univ, Sch Comp Sci & Software Engn, Tianjin 300387, Peoples R ChinaArmy Mil Transportat Univ, Dept Basic Sci, Tianjin 300161, Peoples R China
Zhu, Meixia
Deng, Yue
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Tianjin Polytech Univ, Sch Sci, Tianjin 300161, Peoples R China
Tianjin Polytech Univ, Sch Comp Sci & Software Engn, Tianjin 300387, Peoples R ChinaArmy Mil Transportat Univ, Dept Basic Sci, Tianjin 300161, Peoples R China