Search Results - "Ji Duofa, Ji Duofa"

Constant-ductility energy factors of SDOF systems subjected to mainshock-aftershock sequences by Ji Duofa, Ji Duofa, Wen Weiping, Wen Weiping, Zhai Changhai, Zhai Changhai

“…This article focuses on the energy factor of single-degree-of-freedom (SDOF) systems subjected to mainshock-aftershock (MSAS) sequences, of which 163 and 143…”
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The inelastic input energy spectra for main shock-aftershock sequences by Zhai Changhai, Zhai Changhai, Ji Duofa, Ji Duofa, Wen Weiping, Wen Weiping, Lei Weidong, Lei Weidong, Xie Lili, Xie Lili, Gong Maosheng, Gong Maosheng

“…This study investigates the input energy spectra for inelastic single-degree-of-freedom (SDOF) systems under main shock-aftershock sequences. The input energy…”
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Cumulative Damage of Structures under the Mainshock-aftershock Sequences in the Near-fault Region by Wen, Weiping, Ji, Duofa, Zhai, Changhai

“…This manuscript quantifies the effects of aftershocks with pulse characteristics on the cumulative damage of structures. The revised randomization method is…”
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Methodology for selection of the most damaging ground motions for nuclear power plant structures by Li, Cuihua, Zhai, Changhai, Kunnath, Sashi, Ji, Duofa

“…A methodology for selecting the most unfavorable ground motions (MUGMs) for practical dynamic analyses of nuclear power plant (NPP) systems is proposed. A…”
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Ground motion rotation for mainshock-aftershock sequences: Necessary or not? by Wen, Weiping, Ji, Duofa, Zhai, Changhai

“…This manuscript studies the effects of rotating mainshock-aftershock (MSAS) sequences to different orientations on the seismic performance of structures. A…”
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Maximum inelastic displacement of mainshock-damaged structures under succeeding aftershock by Ji, Duofa, Wen, Weiping, Zhai, Changhai, Katsanos, Evangelos I.

“…To facilitate the rapid, though, reliable assessment of mainshock-damaged structures against the succeeding aftershock excitations, the γ-index is introduced,…”
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The influences of aftershocks on the constant damage inelastic displacement ratio by Zhai, Changhai, Wen, Weiping, Ji, Duofa, Li, Shuang

“…This manuscript investigates the constant damage inelastic displacement ratios for the mainshock–aftershock sequence-type ground motions. The inelastic…”
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Finite element method and boundary element method iterative coupling algorithm for 2-D elastodynamic analysis by Ji, Duofa, Lei, Weidong, Liu, Zhijian

“…The coupling algorithm of the finite element method (FEM) and boundary element method (BEM) can make maximal use of both methods’ advantages. However, such…”
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An Improved Belief Entropy to Measure Uncertainty of Basic Probability Assignments Based on Deng Entropy and Belief Interval by Zhao, Yonggang, Ji, Duofa, Yang, Xiaodong, Fei, Liguo, Zhai, Changhai

“…It is still an open issue to measure uncertainty of the basic probability assignment function under Dempster-Shafer theory framework, which is the foundation…”
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A Framework to Assess the Seismic Resilience of Urban Hospitals by Zhai, Changhai, Ji, Duofa, Wen, Weiping, Yu, Peng, Xie, Lili

“…The phenomenon of hospital functional interruption has been widely observed in the historical moderate-strong earthquakes, indicating that hospital…”
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Influence of Brittle Fracture of Shear Connectors on Flexural Behavior of Steel–Plate Concrete Composite Beams Under Cyclic Loading by Lu, Bing, Zhai, Changhai, Li, Shuang, Ji, Duofa, Lu, Xianbin

“…The existing push-out test results showed that the ultimate shear capacities and ultimate slips of tie-bars and studs under cyclic loading were significantly…”
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Hysteretic energy prediction method for mainshock-aftershock sequences by Zhai, Changhai, Ji, Duofa, Wen, Weiping, Li, Cuihua, Lei, Weidong, Xie, Lili

“…Structures located in seismically active regions may be subjected to mainshock-aftershock (MSAS) sequences. Strong aftershocks significantly affect the…”
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Constant Ductility Site-Specific Yield Point Spectra for Seismic Design by Ji, Duofa, Zhai, Changhai, Wen, Weiping

“…Displacement-based seismic design (DBSD) is an iterative process because the strength and stiffness of a structure are needed to be adjusted in order to…”
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An Efficient Platform for Numerical Modeling of Partial Differential Equations by Ji, Duofa, Li, Chenxi, Zhai, Changhai, Cao, Zelin

“…Solving partial differential equations (PDEs) is a fundamental task for computational electromagnetic and mechanical wave modeling, which hold utmost…”
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A Novel Generative Adversarial Network for the Removal of Noise and Baseline Drift in Seismic Signals by Chen, Youming, Ji, Duofa, Ma, Qiang, Zhai, Changhai, Ma, Yuhong

“…Recorded seismic signals are of fundamental importance in earthquake engineering, serving as vital data for analyzing and comprehending various ground motion…”
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TTNN: A Physically Guided Deep Learning Model for Focal Depth and Epicenter Distance Estimation Based on Multistation Waveforms by Ji, Duofa, Fang, Wenji, Zhai, Changhai, Cao, Zelin, Ma, Yuhong

“…Earthquake localization is an important part of the seismicity monitoring workflow and catalog building, and it plays a fundamental role in earthquake…”
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Effects of ground motion scaling on the response of structures considering the interdependency between intensity measures and scale factors by Wen, Weiping, Ji, Duofa, Zhai, Changhai

“…•The effects of ground motion scaling on structural responses are quantified.•The method is proposed to quantify the interdependency between IMs and…”
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Framework for the vulnerability assessment of structure under mainshock-aftershock sequences by Wen, Weiping, Zhai, Changhai, Ji, Duofa, Li, Shuang, Xie, Lili

“…Many earthquakes have indicated that the mainshock-damaged structures may be more vulnerable to severe damage and collapse during the subsequent aftershocks…”
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Damage spectra of global crustal seismic sequences considering scaling issues of aftershock ground motions by Wen, Weiping, Zhai, Changhai, Ji, Duofa

“…Summary Recent studies and earthquakes have shown that the mainshock‐aftershock (MSAS) sequences would induce significant cumulative damage, and it is urgent…”
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The damage-based fragility analysis and probabilistic safety assessment of containment under internal pressure by Zheng, Zhi, Tian, Aonan, Pan, Xiaolan, Ji, Duofa, Wang, Yong

“…•A refined numerical model of PCCV is established.•Three parameters are proposed to evaluate the damage performance of PCCV.•The damage-based fragility method…”
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