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Soil seismic analysis for 2D oblique incident waves using exact free-field responses by frequency-based

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 12,   Pages 1530-1551 doi: 10.1007/s11709-022-0900-7

Abstract: The seismic analysis of a viscoelastic half-space under two-dimensional (2D) oblique incident waves isdisplacements and stresses of the free field are derived in general form for arbitrary incident P and SV wavesWith the present formulation, no distinction needs to be made for SV waves with over-critical incidentangles that make the reflected P waves disappear, while no critical angle exists for P waves.indicated that distinct phase difference exists between the horizontal and vertical responses for SV waves

Keywords： oblique incident waves     critical angle     half-space     finite/infinite element approach     seismic response    

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Finite Element Analysis for Effects of Incident Wave Angle and Seabed on Hydrodynamic Characteristics of Buoy

Liu Rong,Zheng Yonghong,You Yage,Sun Xiaoyan,

Strategic Study of CAE 2005, Volume 7, Issue 3,   Pages 42-48

Abstract:

Effects of incident wave angle and complicated topography on hydrodynamic characteristics of a buoy are studied using the Finite Element Method (FEM). The hydrodynamic coefficients of different conditions are acquired. The correctness of the numerical method is verified through a comparison with analytical results of a simple seabed. In order to improve the efficiency of the analysis, the BiCGStab algorithm, considered to be among the most powerful algorithm in solving linear systems, is employed. The results presented here will supply some important information for designs of ocean structures.

Keywords： oblique waves     buoy     complex topography     FEM    

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Modeling oblique load carrying capacity of batter pile groups using neural network, random forest regression

Tanvi SINGH, Mahesh PAL, V. K. ARORA

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 674-685 doi: 10.1007/s11709-018-0505-3

Abstract: random forest regression (RF) and neural network (NN) based modelling approaches were used to predict obliquePile length ( ), angle of oblique load ( ), sand density ( ), number of batter piles ( ), and numberof vertical piles ( ) as input and oblique load ( ) as output was used.M5 model tree provides simple linear relation which can be used for the prediction of oblique load forof batter pile ( ) affect the oblique load capacity for both smooth and rough pile groups.

Keywords： batter piles     oblique load test     neural network     M5 model tree     random forest regression     ANOVA    

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Three cases of different types of oblique vaginal septum syndrome with pregnancy

Chen Xiujuan,Xiong Xiumei and Lin Yuan

Strategic Study of CAE 2014, Volume 16, Issue 5,   Pages 90-95

Abstract:

Burgis et al. reported the incidence of oblique vaginal septum syndrome

Keywords： oblique vaginal septum syndrome     pregnancy     ultrasound     treatment    

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A numerical framework for underground structures in layered ground under inclined P-SV waves using stiffness

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 10-24 doi: 10.1007/s11709-022-0904-3

Abstract: was proposed for the seismic analysis of underground structures in layered ground under inclined P-SV wavesmethods adopted in previous studies, the proposed framework exhibits the advantage of incorporating obliqueincident waves in a nonlinear heterogeneous ground.Numerical results show that SV-waves are more destructive to underground structures than P-waves, and

Keywords： underground structures     seismic response     stiffness matrix method     domain reduction method     P-SV waves    

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Ribbon bridge in waves based on hydroelasticity theory

Cong WANG, Shixiao FU, Weicheng CUI

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 57-62 doi: 10.1007/s11709-009-0005-6

Abstract: For the design and operation of a floating bridge, the understanding of its hydroelastic behavior in wavesmethod is applicable and adaptable for predicting the hydroelastic response of the floating bridge in waves

Keywords： hydroelasticity     ribbon bridge     wave     finite element method (FEM)    

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Analyses of Evolutionary Process of One Dimensional Stress-waves in Heterogeneous Rock Medium

Zhong Guangfu,Wang Zhiliang,Li Yongchi

Strategic Study of CAE 2006, Volume 8, Issue 5,   Pages 58-62

Abstract:

Violent earthquake waves will be produced when an underground spherically packed explosive is blastedThe emphasis is put on the waves propagated from hard rocks into soft rocks, or from soft rocks intoAt the same time, the influences of weak intercalated bed between rock masses on 1 D stress-waves are

Keywords： rock medium     1 D stress-waves     cap model     propagation and evolution    

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Propagation characteristics of transient waves in low-strain integrity testing on cast-in-situ concrete

Hanlong LIU, Xuanming DING

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 240-240 doi: 10.1007/s11709-009-0100-8

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Monitoring & Analysis of Earthquake phenomena by Artificial SLF Waves

Zhao Guoze,Lu Jianxun

Strategic Study of CAE 2003, Volume 5, Issue 10,   Pages 27-33

Abstract:

Electromagnetic waves in SLF (super low frequency) frequency band can be transmitted by powered generator

Keywords： SLF/ELF electromagnetic waves     electromagnetic anomaly     resistivity     earthquake monitoring    

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Experimental verification of the interface wave method to detect interlaminar damage of a metal multilayer structure

Bing LI,Xu GENG,Tong LU,Lei QIANG,Minghang LI

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 380-391 doi: 10.1007/s11465-015-0365-7

Abstract: In this research, an experiment that applies Stoneley waves (a type of interfacial wave between two solidFirst, the wave velocity and wave structure of Stoneley waves at a perfectly bonded aluminum-steel interfaceTherefore, Stoneley waves show great potential as a non-destructive inspection method of a multilayer

Keywords： crack localization     interface waves     Stoneley waves     interlaminar damage     multilayer structure    

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The Achievements and Paradoxes of the Wave-particle Duality Theory

Huang Zhixun

Strategic Study of CAE 2002, Volume 4, Issue 1,   Pages 54-63

Abstract:

This paper is devoted to a survey of wave-particle duality theory of the optical waves and matterwaves.And so,whether the optical waves and EM waves corresponds to matter, or the character of matter, is discussedThen, a question for the FTL phase velocity of matter waves is proposed.Finally,the paper presents a discussion on the particlelity of evanescent waves and the virtual photons

Keywords： photon     optical wavers     matter waves     wave-particle duality     soliton     EM pulse     faster than light     evanescentwaves     virtual photon    

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Numerical simulations of morphological changes in barrier islands induced by storm surges and waves using

Soumendra Nath KUIRY, Yan DING, Sam S Y WANG

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 1,   Pages 57-68 doi: 10.1007/s11709-014-0235-0

Abstract: flows and morphological changes in a tidal/coastal inlet and barrier islands due to storm surges and wavesintegrated coastal process model is capable of simulating flows induced by extreme conditions such as wavessurge tides, river flood flows, etc., and morphological changes induced by rapid coastal currents and waves

Keywords： coastal inlet     coastal process modeling     supercritical flow     sediment transport     barrier islands    

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Modeling of dynamic response of poroelastic soil layers under wave loading

Mehmet Bar?? Can üLKER

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 1,   Pages 1-18 doi: 10.1007/s11709-014-0233-2

Abstract: In this paper, the dynamic response of saturated and layered soils under harmonic waves is modeled using

Keywords： dynamic response of soils     coupled flow-deformation     finite elements     analytical solution     harmonic waves    

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Extended Hemispherical Lens and Its Applications in Millimeter Wave Focal Imaging Systems

Sun Zhongliang,Dou Wenbin

Strategic Study of CAE 2000, Volume 2, Issue 3,   Pages 42-47

Abstract: Experiments have been carried out for two types of incident waves, one is normally incident plane wave

Keywords： millimeter waves     antennas     imaging     extended hemispherical lens    

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Waves of Probability and the Problems of Torsion for Quantum Effect

OuYang Shoucheng,Li Zhilan,Yuan Dongsheng

Strategic Study of CAE 2005, Volume 7, Issue 6,   Pages 1-6

Abstract: The results show that the probability of probability waves is the quasi-regular flow under given condition

Keywords： torsion (spin)     probability     quantum effect     nonlinear instability     curvature space    

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Title Author Date Type Operation

Soil seismic analysis for 2D oblique incident waves using exact free-field responses by frequency-based

Journal Article

Finite Element Analysis for Effects of Incident Wave Angle and Seabed on Hydrodynamic Characteristics of Buoy

Liu Rong,Zheng Yonghong,You Yage,Sun Xiaoyan,

Journal Article

Modeling oblique load carrying capacity of batter pile groups using neural network, random forest regression

Tanvi SINGH, Mahesh PAL, V. K. ARORA

Journal Article

Three cases of different types of oblique vaginal septum syndrome with pregnancy

Chen Xiujuan,Xiong Xiumei and Lin Yuan

Journal Article

A numerical framework for underground structures in layered ground under inclined P-SV waves using stiffness

Journal Article

Ribbon bridge in waves based on hydroelasticity theory

Cong WANG, Shixiao FU, Weicheng CUI

Journal Article

Analyses of Evolutionary Process of One Dimensional Stress-waves in Heterogeneous Rock Medium

Zhong Guangfu,Wang Zhiliang,Li Yongchi

Journal Article

Propagation characteristics of transient waves in low-strain integrity testing on cast-in-situ concrete

Hanlong LIU, Xuanming DING

Journal Article

Monitoring & Analysis of Earthquake phenomena by Artificial SLF Waves

Zhao Guoze,Lu Jianxun

Journal Article

Experimental verification of the interface wave method to detect interlaminar damage of a metal multilayer structure

Bing LI,Xu GENG,Tong LU,Lei QIANG,Minghang LI

Journal Article

The Achievements and Paradoxes of the Wave-particle Duality Theory

Huang Zhixun

Journal Article

Numerical simulations of morphological changes in barrier islands induced by storm surges and waves using

Soumendra Nath KUIRY, Yan DING, Sam S Y WANG

Journal Article

Modeling of dynamic response of poroelastic soil layers under wave loading

Mehmet Bar?? Can üLKER

Journal Article

Extended Hemispherical Lens and Its Applications in Millimeter Wave Focal Imaging Systems

Sun Zhongliang,Dou Wenbin

Journal Article

Waves of Probability and the Problems of Torsion for Quantum Effect

OuYang Shoucheng,Li Zhilan,Yuan Dongsheng

Journal Article