応用力学論文集
Online ISSN : 1884-832X
Print ISSN : 1345-9139
動力学に基づく震源インバージョン手法の非線形性に関する考察
後藤 浩之澤田 純男本田 利器
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ジャーナル フリー

8 巻 (2005) p. 733-740

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Dynamic rupture model was proposed to simulate source rupture processes based on physical relationship between the stress and strain field near the fault plane. However, if we use dynamic rupture model for inversion analysis, it is difficult to find a global minimum because of a high nonlinearity caused by the inversion method. We propose a stage by stage inversion process, in which the number of the estimated parameters increase as the stage proceeds, in order to give adequate initial values and to estimate the optimal resolution of the inversion problem.

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