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Seismic fragility curves for structures using non-parametric representations

Chu MAI, Katerina KONAKLI, Bruno SUDRET

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 2,   Pages 169-186 doi: 10.1007/s11709-017-0385-y

Abstract: The classical approach relies on assuming a lognormal shape of the fragility curves; it is thus parametricIn this paper, we introduce two non-parametric approaches to establish the fragility curves without employingThe curves obtained with the non-parametric approaches are compared with respective curves based on the

Keywords： earthquake engineering     fragility curves     lognormal assumption     non-parametric approach     kernel density estimation    

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Nonlinear restoring force identification based on measured time series

Xu Bin,He Jia

Strategic Study of CAE 2011, Volume 13, Issue 9,   Pages 76-82

Abstract: style="text-align: justify;">In this study, a general nonlinear restoring force (NRF) identification approachIn this approach, the least-squares technique is employed to identify the parameters of an equivalentThe proposed approach is developed when the structure to be identified is incompletely excited.

Keywords： nonlinear restoring force identification     MR damper     least-squares techniques     equivalent linear system     non-parametric    

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Uncertainty propagation in dynamics of composite plates: A semi-analytical non-sampling-based approach

Mahdi FAKOOR, Hadi PARVIZ

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1359-1371 doi: 10.1007/s11709-020-0658-8

Abstract: properties on free vibration analysis of composite plates were investigated via development of a new approachfrequencies, and the corresponding mode shapes of the plate were determined using a polynomial chaos approach

Keywords： composite plate     spatially varying stochastic properties     Galerkin method     polynomial chaos approach     semi-analyticalapproach    

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A systematic approach to ON-OFF event detection and clustering analysis of non-intrusive appliance load

Chuan Choong YANG,Chit Siang SOH,Vooi Voon YAP

Frontiers in Energy 2015, Volume 9, Issue 2,   Pages 231-237 doi: 10.1007/s11708-015-0358-6

Abstract: The aim of non-intrusive appliance load monitoring (NIALM) is to disaggregate the energy consumptionof individual electrical appliances from total power consumption utilizing non-intrusive methods.In this paper, a systematic approach to ON-OFF event detection and clustering analysis for NIALM were

Keywords： non-intrusive appliance load monitoring     event detection     goodness-of-fit (GOF)     K-means clustering    

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Decoction, a Chinese herbal formula, improves insulin resistance in overweight/obese subjects with non-alcoholicfatty liver disease: a translational approach

Frontiers of Medicine 2022, Volume 16, Issue 5,   Pages 745-759 doi: 10.1007/s11684-021-0880-3

Abstract: Decoction (LGZG) has been investigated in basic studies, with satisfactory effects on insulin resistance in non-alcoholicThis translational approach aimed to explore the effect and underlying mechanism of LGZG in clinical

Keywords： insulin resistance     non-alcoholic fatty liver disease     Chinese herbal medicine     randomized controlled    

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Eco-innovative design approach: Integrating quality and environmental aspects in prioritizing and solving

Mahmoud CHAKROUN,Grigore GOGU,Thomas PACAUD,Fran?ois THIRION

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 3,   Pages 203-217 doi: 10.1007/s11465-014-0308-8

Abstract: This approach provides a synergy between the Life Cycle Assessment (LCA), the non-quality matrix, theThen, for a better consideration of environmental aspects, a new tool is developed, the non-quality matrix

Keywords： eco-innovation     non-quality matrix     TRIZ     composted product spreading    

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An approach for mechanical fault classification based on generalized discriminant analysis

LI Wei-hua, SHI Tie-lin, YANG Shu-zi

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 3,   Pages 292-298 doi: 10.1007/s11465-006-0022-2

Abstract: To deal with pattern classification of complicated mechanical faults, an approach to multi-faults classification(GDA), one of nonlinear discriminant analysis methods, is more suitable for classifying the linear non-separable

Keywords： generalized discriminant     non-separable     abnormality     classification     multi-faults classification    

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uncertain composite plates and stochastic irregularity in their buckling mode shapes: A semi-analytical non-intrusiveapproach

Frontiers of Structural and Civil Engineering   Pages 179-190 doi: 10.1007/s11709-022-0888-z

Abstract: effects on the buckling load and corresponding mode shapes were studied by developing a semi-analytical non-intrusiveapproach.The probabilistic response space was obtained by employing the non-intrusive polynomial chaos method.

Keywords： uncertain composite plate     stochastic assume mode method     Karhunen−Loève theorem     polynomial chaos approach    

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Implementation of an adaptive feed speed 3D NURBS interpolation algorithm

LIANG Hong-bin, WANG Yong-zhang, LI Xia

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 403-408 doi: 10.1007/s11465-006-0047-6

Abstract: NURBS (non-uniform rational B-spline) interpolation algorithms have been provided in modern CNC (computerIn order to deal with this problem, an adaptive feed speed interpolation algorithm for 3D NURBS parametric

Keywords： NURBS parametric     rational B-spline     second-order     non-uniform rational     precision    

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Parametric equations for notch stress concentration factors of rib–deck welds under bending loading

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 595-608 doi: 10.1007/s11709-021-0720-1

Abstract: The effective notch stress approach for evaluating the fatigue strength of rib–deck welds requires notchTo improve the efficiency of the approach, the notch stress concentration factors for three typical fatigue-crackingThen, we performed a parametric analysis to investigate the effects of multiple geometric parameters

Keywords： notch stress concentration factor     rib–deck weld     parametric analysis     regression analysis     parametric    

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Building information modeling based on intelligent parametric technology

ZENG Xudong, TAN Jie

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 3,   Pages 367-370 doi: 10.1007/s11709-007-0049-4

Abstract: China’s building industry, the author studies building information modeling (BIM) based on intelligent parametrictwo-dimensional CAD technology, and demonstrates the advantages and characteristics of intelligent parametricBuilding information modeling, which is based on intelligent parametric modeling technology, will certainly
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Parametric oscillation of cables and aerodynamic effect

Yong XIA, Jing ZHANG, Youlin XU, Yozo FUJINO,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 321-325 doi: 10.1007/s11709-010-0028-z

Abstract: This paper addresses the aerodynamic effect on the nonlinear oscillation, particularly parametric vibration

Keywords： parametric vibration     cables     cable-stayed bridge     nonlinear vibration    

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Parametric study on seismic performance of self-centering reinforced concrete column with bottom-placed

Frontiers of Structural and Civil Engineering   Pages 1145-1162 doi: 10.1007/s11709-023-0945-2

Abstract: Extensive parametric studies pertaining to SRRC columns have been conducted to investigate the critical

Keywords： seismic resilience     self-centering     rubber layer     flag-shaped hysteresis loop     parametric study    

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Nonlinear Model-Based Process Operation under Uncertainty Using Exact Parametric Programming

Vassilis M. Charitopoulos,Lazaros G. Papageorgiou,Vivek Dua

Engineering 2017, Volume 3, Issue 2,   Pages 202-213 doi: 10.1016/J.ENG.2017.02.008

Abstract:

In the present work, two new, (multi-)parametric programming (mp-P)-inspired algorithms for the solutionlogarithmic terms, with the first one being developed for the deterministic case, and the second for the parametric

Keywords： Parametric programming     Uncertainty     Process synthesis     Mixed-integer nonlinear programming     Symbolic manipulation    

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Parametric study of hexagonal castellated beams in post-tensioned self-centering steel connections

Hassan ABEDI SARVESTANI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1020-1035 doi: 10.1007/s11709-019-0534-6

Abstract: The effects of important parameters (beam reinforcing plates, initial post-tensioning, and material properties of steel angles) on the behavior of hexagonal castellated beams in post-tensioned self-centering (PTSC) connections undergone cyclic loading up to 4% lateral drift have been investigated by finite element (FE) analysis using ABAQUS. The PTSC connection is comprised of bolted top and bottom angles as energy dissipaters and steel strands to provide self-centering capacity. The FE analysis has also been validated against the experimental test. The new formulations derived from analytical method has been proposed to predict bending moment of PTSC connections. The web-post buckling in hexagonal castellated beams has been identified as the dominant failure mode when excessive initial post-tensioning force is applied to reach greater bending moment resistance, so it is required to limit the highest initial post-tensioning force to prevent this failure. Furthermore, properties of steel material has been simulated using bilinear elastoplastic modeling with 1.5% strain-hardening which has perfectly matched with the real material of steel angles. It is recommended to avoid using steel angles with high yielding strength since they lead to the yielding of bolt shank. The necessity of reinforcing plates to prevent beam flange from local buckling has been reaffirmed.

Keywords： finite element analysis     hexagonal castellated beam     parametric study     post-tensioned self-centering steel    

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Title Author Date Type Operation

Seismic fragility curves for structures using non-parametric representations

Chu MAI, Katerina KONAKLI, Bruno SUDRET

Journal Article

Nonlinear restoring force identification based on measured time series

Xu Bin,He Jia

Journal Article

Uncertainty propagation in dynamics of composite plates: A semi-analytical non-sampling-based approach

Mahdi FAKOOR, Hadi PARVIZ

Journal Article

A systematic approach to ON-OFF event detection and clustering analysis of non-intrusive appliance load

Chuan Choong YANG,Chit Siang SOH,Vooi Voon YAP

Journal Article

Decoction, a Chinese herbal formula, improves insulin resistance in overweight/obese subjects with non-alcoholicfatty liver disease: a translational approach

Journal Article

Eco-innovative design approach: Integrating quality and environmental aspects in prioritizing and solving

Mahmoud CHAKROUN,Grigore GOGU,Thomas PACAUD,Fran?ois THIRION

Journal Article

An approach for mechanical fault classification based on generalized discriminant analysis

LI Wei-hua, SHI Tie-lin, YANG Shu-zi

Journal Article

uncertain composite plates and stochastic irregularity in their buckling mode shapes: A semi-analytical non-intrusiveapproach

Journal Article

Implementation of an adaptive feed speed 3D NURBS interpolation algorithm

LIANG Hong-bin, WANG Yong-zhang, LI Xia

Journal Article

Parametric equations for notch stress concentration factors of rib–deck welds under bending loading

Journal Article

Building information modeling based on intelligent parametric technology

ZENG Xudong, TAN Jie

Journal Article

Parametric oscillation of cables and aerodynamic effect

Yong XIA, Jing ZHANG, Youlin XU, Yozo FUJINO,

Journal Article

Parametric study on seismic performance of self-centering reinforced concrete column with bottom-placed

Journal Article

Nonlinear Model-Based Process Operation under Uncertainty Using Exact Parametric Programming

Vassilis M. Charitopoulos,Lazaros G. Papageorgiou,Vivek Dua

Journal Article

Parametric study of hexagonal castellated beams in post-tensioned self-centering steel connections

Hassan ABEDI SARVESTANI

Journal Article