Back Analysis by Finite Element Method Using Ek-Wli Procedure

Sutoh, Atsushi; Hoshiya, Masaru

doi:10.2208/jscej.1992.446_177

Cited by 9 publications

(2 citation statements)

References 8 publications

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“…Previous studies proposed time‐domain analysis methods to determine the input motion by estimating the input motion for a linear model with the help of a Kalman filter . Moreover, the EK‐WLI method using the absolute acceleration has been employed to determine the input motion and system parameters . However, the systems employed in these studies were linear.…”

Section: Introductionmentioning

confidence: 99%

Input motion inversion in elastoplastic soil model using modal iterative error correction method

Suzuki

2019

Japan Architectural Review

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In conducting simulation analyses for the safety assessment of buildings following an earthquake, the input motion should be set to reproduce an observed wave at an observed point. If the analysis model is linear, the input motion can be easily set, whereas it is difficult to do so if the analysis model exhibits nonlinearity. This study proposes a new time‐domain inversion method using a generalized inverse of the perturbation impulse matrix and the iterative method. First, the method outline and details are described. Second, the effectiveness of the method is verified through experimentation. As a result, it is verified that the input motion that reproduces the surface response of a nonlinear soil model can be calculated using the proposed methods. It is confirmed that the proposed methods for inversion in nonlinear soil models is very effective, the analysis of which has been difficult until now.

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Section: Introductionmentioning

confidence: 99%

Input motion inversion in elastoplastic soil model using modal iterative error correction method

Suzuki

2019

Japan Architectural Review

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“…EK-WLI 7) 8) In conducting simulation analyses, an input motion should be set to reproduce an observed wave at an observed point. If the analysis model is in a linear range, the input motion can easily be set.…”

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confidence: 99%

Input Motion Inversion in Elasto-Plastic Soil Model by Using Modal Iterative Error Correction Method

Suzuki

2018

Nihon Kenchiku Gakkai Kozokei Ronbunshu

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In conducting simulation analyses, an input motion should be set to reproduce an observed wave at an observed point. If the analysis model is in a linear range, the input motion can easily be set. However, this setting is difficult if the analysis model exhibits non-linear behavior. This study proposes a new time domain inversion method with a generalized inverse of the perturbation impulse matrix and the iterative method. First, the method outline and details are described. Second, the method precision is confirmed through experimentation. Thus, a new method for input motion inversion in a non-linear soil model is presented.

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Dynamic Parameter Identification by the Ek-Wli-Fem

Sutoh

Hoshiya

1993

Doboku Gakkai Ronbunshu

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Back Analysis by Finite Element Method Using Ek-Wli Procedure

Cited by 9 publications

References 8 publications

Input motion inversion in elastoplastic soil model using modal iterative error correction method

Input motion inversion in elastoplastic soil model using modal iterative error correction method

Input Motion Inversion in Elasto-Plastic Soil Model by Using Modal Iterative Error Correction Method

Dynamic Parameter Identification by the Ek-Wli-Fem

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