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Anefficient quadrature demodulator for medical ultrasound imaging

Hao ZHOU,Yin-fei ZHENG

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 4,   Pages 301-310 doi: 10.1631/FITEE.1400205

Abstract: demodulation method for B-mode and color flow imaging, in which the RF signal is demodulated by a pair of finiteimpulse response filters without mixing with the reference signal, to reduce the computational complexity

Keywords： B-mode ultrasound imaging     Color flow imaging     Quadrature demodulation     Finite impulse response filter    

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On detecting primary user emulation attack using channel impulse response in the cognitive radio network Article

Qiao-mu JIANG, Hui-fang CHEN, Lei XIE, Kuang WANG

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 10,   Pages 1665-1676 doi: 10.1631/FITEE.1700203

Abstract: In the proposed method, the uniqueness of the channel impulse response (CIR) between the secondary user

Keywords： Cognitive radio network     Primary user emulation attack     Subspace-based blind channel estimation     Channel impulseresponse    

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Anenhanced mixedmodulated Lagrange explicit time delay estimator with noisy input Article

Wei XIA,Ju-lei ZHU,Wen-ying JIANG,Ling-feng ZHU

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 10,   Pages 1067-1073 doi: 10.1631/FITEE.1500417

Abstract: Aiming at this issue, an enhanced MMLETDE algorithm is proposed for noisy inputs based on the unbiased impulseresponse estimation technique, assuming that the noise power ratio is known a priori.for narrowband signals or sinusoids over a wide frequency range, the proposed algorithm with a small filter

Keywords： Time delay estimation     Adaptive filter     Noisy input     Modulated Lagrange     Unbiased impulse response estimation    

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Massively efficient filter for topology optimization based on the splitting of tensor product structure

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0710-6

Abstract: In this work, we put forward a massively efficient filter for topology optimization (TO) utilizing theAfterwards, an explicit sensitivity filter, which is decomposed by the splitting pipeline as that appliedcompared with the traditional filter.Therefore, the proposed filter is massively improved by the splitting of tensor product structure anddelivers a much more efficient way of solving TO problems in the frameworks of isogeometric analysis and finite

Keywords： topology optimization     isogeometric analysis     finite element analysis     tensor product structure     sensitivity    

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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 usingthe finite element method.The response variations are presented in terms of pore water pressure and shear stress distributionsnon-dimensional parameters and their respective ratios as a result of layering play a major role in the dynamic response

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

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Explicit finite element method for calculation and analysis to the elasto-plastic dynamic response of

LI Liang, DU Xiuli, LI Liyun, ZHAO Chenggang

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 4,   Pages 436-442 doi: 10.1007/s11709-007-0059-2

Abstract: In order to describe the elasto-plastic dynamic response of fluid-saturated porous media, the incrementalOn the basis of the integral formula mentioned above, the time-domain explicit finite element methodis developed for calculation and analysis of the elasto-plastic dynamic response of fluid-saturated porous

Keywords： discretization     computational     calculation     integral     requirement    

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Finite element modeling of cable sliding and its effect on dynamic response of cable-supported truss

Yujie YU, Zhihua CHEN, Renzhang YAN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1227-1242 doi: 10.1007/s11709-019-0551-5

Abstract: sliding behaviors and the resultant dynamic responses are solved by combining the vector form intrinsic finiteThe proposed analytical method is achieved within MATLAB and applied to simulate the dynamic responsetruss have an averaging effect on the oscillation magnitudes, but it also magnifies the internal force response

Keywords： sliding cable     explicit solution framework     original length method     seismic response     cable rupture    

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Centrifuge experiment and numerical analysis of an air-backed plate subjected to underwater shock loading

Zhijie HUANG, Xiaodan REN, Zuyu CHEN, Daosheng LING

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1350-1362 doi: 10.1007/s11709-019-0559-x

Abstract: Systematic numerical studies are performed to investigate the effect of the accumulated shock impulseexperimental results suggest that the peak strains are strongly dependent on the accumulated shock impulse

Keywords： underwater explosion     centrifuge experiment     shock load     dynamic response     accumulated shock impulse    

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An investigation of ballistic response of reinforced and sandwich concrete panels using computational

Mohammad HANIFEHZADEH, Bora GENCTURK

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1120-1137 doi: 10.1007/s11709-019-0540-8

Abstract: Two modeling techniques, smoothed particle hydrodynamics (SPH) and conventional finite element (FE) analysis

Keywords： concrete panels     projectile impact     finite element modeling     smoothed particle hydrodynamics     strain rate    

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Development of dimensionless P-I diagram for curved SCS sandwich shell subjected to uniformly distributed blast pressure

Yonghui WANG, Ximei ZHAI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1432-1445 doi: 10.1007/s11709-019-0566-y

Abstract: In this paper, a dimensionless Pressure-Impulse (P-I) diagram was constructed as a convenient tool toconstruct the dimensionless P-I diagram, the energy balance method was utilized to yield the pressure and impulseasymptotes and the responses in the dynamic response regime were obtained via employing the SDOF methodThen, the finite element method was employed to validate the developed dimensionless P-I diagram.

Keywords： blast loading     curved steel-concrete-steel sandwich shell     Pressure-Impulse diagram     single-degree-of-freedommethod     finite element analysis    

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Application of semi-analytical finite element method to analyze the bearing capacity of asphalt pavements

Pengfei LIU, Dawei WANG, Frédéric OTTO, Markus OESER

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 2,   Pages 215-221 doi: 10.1007/s11709-017-0401-2

Abstract: The computational program SAFEM was developed with the objective of evaluating the dynamic response ofIn this research project SAFEM is compared to commercial finite element software ABAQUS and field measurementsThus, SAFEM appears to be a feasible approach to determine the dynamic response of pavements under dynamic

Keywords： semi-analytical finite element method     bearing capacity     asphalt pavements     moving loads     dynamic response    

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

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

Abstract: of a viscoelastic half-space under two-dimensional (2D) oblique incident waves is carried out by the finiteBased on the asymmetric finite/infinite element model, the frequency-domain motion equations for seismic

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

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Research of mid and high frequency response of complex mechanical structures using energy finite element

Zhu Danhui,Xie Miaoxia,Kong Xiangjie,Zhang Wenbo,Chen Hualing

Strategic Study of CAE 2013, Volume 15, Issue 1,   Pages 106-112

Abstract: reviewed, which indicate that the development direction of this method tend to predict the dynamic responsenbsp;the achievements of our research group are presented, which focus on predict the dynamical responseThere are three main aspects are referred: the first section is that the EFEM to predict the responsecylindrical shell and truncated conical shell, and this method help us to obtain the local detail response

Keywords： mid and high frequency response     energy finite element method     prediction of vibro-acoustical response    

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Predicting the response of continuous RC deep beams under varying levels of differential settlement

M. Z. NASER, R. A. HAWILEH

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 686-700 doi: 10.1007/s11709-018-0506-2

Abstract: A total of twenty three-dimensional nonlinear finite element models were developed taking into accountThese models are first validated by comparing numerical predictions in terms of load-deflection responseThis study also aims at presenting a numerical approach using finite element simulation, supplemented

Keywords： concrete     continuous beams     deep beams     finite element modeling     support settlement    

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Three-dimensional seismic response analysis of a concrete-faced rockfill dam on overburden layers

Dakuo FENG, Ga ZHANG, Jianmin ZHANG,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2,   Pages 258-266 doi: 10.1007/s11709-010-0031-4

Abstract: Reasonable seismic response analysis of a high rockfill dam is of great engineering significance in guidingThe three-dimensional seismic behavior of the Miaojiaba CFRD is simulated and analyzed by the finitethe impounding condition and overburden characteristics have great effects on the dam’s seismic response

Keywords： concrete-faced rockfill dam (CFRD)     overburden layer     dynamic analysis     finite element method (FEM)    

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Title Author Date Type Operation

Anefficient quadrature demodulator for medical ultrasound imaging

Hao ZHOU,Yin-fei ZHENG

Journal Article

On detecting primary user emulation attack using channel impulse response in the cognitive radio network

Qiao-mu JIANG, Hui-fang CHEN, Lei XIE, Kuang WANG

Journal Article

Anenhanced mixedmodulated Lagrange explicit time delay estimator with noisy input

Wei XIA,Ju-lei ZHU,Wen-ying JIANG,Ling-feng ZHU

Journal Article

Massively efficient filter for topology optimization based on the splitting of tensor product structure

Journal Article

Modeling of dynamic response of poroelastic soil layers under wave loading

Mehmet Bar?? Can üLKER

Journal Article

Explicit finite element method for calculation and analysis to the elasto-plastic dynamic response of

LI Liang, DU Xiuli, LI Liyun, ZHAO Chenggang

Journal Article

Finite element modeling of cable sliding and its effect on dynamic response of cable-supported truss

Yujie YU, Zhihua CHEN, Renzhang YAN

Journal Article

Centrifuge experiment and numerical analysis of an air-backed plate subjected to underwater shock loading

Zhijie HUANG, Xiaodan REN, Zuyu CHEN, Daosheng LING

Journal Article

An investigation of ballistic response of reinforced and sandwich concrete panels using computational

Mohammad HANIFEHZADEH, Bora GENCTURK

Journal Article

Development of dimensionless P-I diagram for curved SCS sandwich shell subjected to uniformly distributed blast pressure

Yonghui WANG, Ximei ZHAI

Journal Article

Application of semi-analytical finite element method to analyze the bearing capacity of asphalt pavements

Pengfei LIU, Dawei WANG, Frédéric OTTO, Markus OESER

Journal Article

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

Journal Article

Research of mid and high frequency response of complex mechanical structures using energy finite element

Zhu Danhui,Xie Miaoxia,Kong Xiangjie,Zhang Wenbo,Chen Hualing

Journal Article

Predicting the response of continuous RC deep beams under varying levels of differential settlement

M. Z. NASER, R. A. HAWILEH

Journal Article

Three-dimensional seismic response analysis of a concrete-faced rockfill dam on overburden layers

Dakuo FENG, Ga ZHANG, Jianmin ZHANG,

Journal Article