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A Realization to Enhance the Signal Noise Ratio With Superposition on the Same Phase Signal

Han Xiuting,Wang Jiechun,Jiao Zhenqaing,Gao Fei,Song Yubo

Strategic Study of CAE 2005, Volume 7, Issue 10,   Pages 64-68

Abstract: p>This paper talks about method to enhance vibration signals gotten by hitting iron pipe to cause a vibratingHowever, the reflection wave is usually too weak to acquire useful information correctly.

Keywords： vibrating wave     reflection wave     signal enhancement     software for superposition signal    

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Theoretical study of vibrating effect on heat transfer in laminar flow

Baoxing LI, Maocheng TIAN, Xueli LENG, Zheng ZHANG, Bo JIANG

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 542-545 doi: 10.1007/s11708-010-0026-9

Abstract: Green’s function method was adopted to study the problem of vibrating effect on heat transfer in laminarflow with constant flux and the influence of Prandtl number and the vibrating frequency on the heatleads to a different distribution of the unsteady velocity and temperature; with a lower frequency, the vibrating

Keywords： vibrating     full developed     heat transfer    

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A method of analysis for modal aero-damping of vibrating blade in incompressible flow

Jun XING, Lin LI,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 465-471 doi: 10.1007/s11708-009-0037-6

Abstract: By establishing a research model for aero-damping in a uniform incoming flow, the three-dimension analytical algorithm of the modal aero-damping based on the equivalent viscous damping principle was established. The algorithm, which is suited for low-speed flow, to compute aero-damping is based on classical lift line theory in aerodynamics, according to the analytical solution of unsteady aerodynamic force. According to the analytical equations, the modal aero-damping ratio for different nature frequencies of blades in various fluid field conditions can be solved, and the factors to affect the aero-damping can be determined.The first bend and the first torsion’s modal aero-damping ratios of a compressor blade are calculated by using the above algorithms. The results show that the aero-damping cannot be neglected comparing with the structure damping. It reflects the coupling degree between the flow field and the structure field, so the aero-damping is significant to compute the stress and life of blade.

Keywords： compressor     different     three-dimension analytical     classical     low-speed    

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Achieving desired nodal lines in freely vibrating structures via material-field series-expansion topology

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0758-y

Abstract: Accurately controlling the nodal lines of vibrating structures with topology optimization is a highly

Keywords： nodal line     topology optimization     structural dynamics design     material-field series-expansion    

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Study on wave rotor refrigerators

Yuqiang DAI, Dapeng HU, Meixia DING

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 83-87 doi: 10.1007/s11705-009-0075-y

Abstract: As a novel generation of a rotational gas wave machine, the wave rotor refrigerator (WRR) is an unsteadyA basic limitation on main structural parameters and operating parameters is deduced and the wave diagramIn the DUT Gas Wave Refrigeration Studying and Development Center (GWRSDC) lab, the isentropic efficiency

Keywords： wave rotor     refrigeration     unsteady flow theory     wave diagram    

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Prediction of the shear wave velocity

Amoroso SARA

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 1,   Pages 83-92 doi: 10.1007/s11709-013-0234-6

Abstract: The paper examines the correlations to obtain rough estimates of the shear wave velocity from non-seismic

Keywords： horizontal stress index     shear wave velocity     flat dilatometer test     cone penetration test    

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Lamb wave propagation modeling for structure health monitoring

Xiaoyue ZHANG, Shenfang YUAN, Tong HAO

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3,   Pages 326-331 doi: 10.1007/s11465-009-0045-6

Abstract: A number of different numerical computational techniques have been developed for wave propagation studiesin complex media (LISA/SIM theory), has been effectively applied to numerical simulations of elastic waveThe finite difference equations describing wave propagation used in the LISA/SIM theory are obtained.

Keywords： Lamb wave     modeling     LISA/SIM theory     finite difference equation     finite element    

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A simple multi-wave algorithm for the uncapacitated facility location problem

Fred GLOVER, Saïd HANAFI, Oualid GUEMRI, Igor CREVITS

Frontiers of Engineering Management 2018, Volume 5, Issue 4,   Pages 451-465 doi: 10.15302/J-FEM-2018038

Abstract:

The multi-wave algorithm (Glover, 2016) integrates tabu search and strategic oscillation utilizingWe propose a simple multi-wave algorithm for solving the Uncapacitated Facility Location Problem (UFLP

Keywords： discrete optimization     UFLP     multi-wave optimization     strategic oscillation     tabu search    

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On subsurface box-shaped lined tunnel under incident SH-wave propagation

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 948-960 doi: 10.1007/s11709-021-0740-x

Abstract: study is carried out to sensitize some effective parameters, including frequency content and incident wave

Keywords： box-lined tunnel     half-plane BEM     surface response     SH-wave     time-domain    

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A simple method for evaluating liquefaction potential from shear wave velocity

Lianyang ZHANG,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2,   Pages 178-195 doi: 10.1007/s11709-010-0023-4

Abstract: The simplified procedure using shear wave velocity measurements is increasingly used to evaluate theThis paper develops a simple method for evaluating the liquefaction potential of soils from shear wavefactors considered are the earthquake magnitude, the vertical effective overburden stress, the shear waveThe most important factor has been identified as the shear wave velocity.Neither stress-correction of shear wave velocity nor calculation of cyclic shear stress as in the simplified

Keywords： liquefaction     earthquake     simple method     shear wave velocity     case history introduction    

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Wave Interaction with a Partial Porous Double-Wall Cylinder

Teng Bin,Li Yucheng,Sun Lu

Strategic Study of CAE 2001, Volume 3, Issue 10,   Pages 41-47

Abstract:

A linear analytic solution is derived for wave interaetion with a combined cylinder with a solid interiorNumerical experiments have been carried out to examine the wave force and wave run-up on combined porousrun-up and wave loads on cylinders.Cylinders with whole porous section on the outer column are more suitable for reducing wave loads andwave run-up on cylinders.

Keywords： wave diffraction     wave force     wave run-up     porous structure     cylinder    

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Analytical solution for SH wave propagating through a graded plate of metamaterial

Jinfeng ZHAO, Yongdong PAN, Zheng ZHONG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 301-307 doi: 10.1007/s11465-011-0238-7

Abstract:

A physical model for the shear horizontal (SH) wave propagating from left-handed material (LHM) throughAfter the comparison of the basic wave equations of the electromagnetic, longitudinal, and SH waves,The shift along with the anti-symmetric profile may provide a way to monitor the wave behavior of the

Keywords： left-handed material (LHM)     metamaterial     shear horizontal (SH) wave    

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Characteristic of the High Energy Density and the Chemical Explosions and Discussion on the Effects of Flood Wave

Zhou Fengjun

Strategic Study of CAE 2000, Volume 2, Issue 12,   Pages 45-51

Abstract:

Based on results of radiate-hydrodynamic and TNT charge hydrodynamic blast wave calculations, thein close- in and distance regions of two kinds of explosions and the development of different blast waveAlso, flood wave disasters due to two kind explosions are discussed and great meaning of protection engineeringfor flood wave are described.

Keywords： high energy density explosion     chemical explosion     shock wave     flood wave    

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A review on front end conversion in ocean wave energy converters

Nagulan SANTHOSH,Venkatesan BASKARAN,Arunachalam AMARKARTHIK

Frontiers in Energy 2015, Volume 9, Issue 3,   Pages 297-310 doi: 10.1007/s11708-015-0370-x

Abstract: Effective utilization and sustainability of any wave energy harvester depend upon its adaptability inthe front end energy conversions are reviewed in detail which is positioned in the first stage of the waveIf the recent development of these front end energy conversion is well known then developing wave energyThis will be useful to the engineers for speeding up the development of a matured point absorbing type wave

Keywords： wave energy converter     point absorbers     power take off (PTO)     front end energy conversion    

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The feasibility of accurate earthquake prediction by HRT wave and examples of strong earthquakes including

Zhao Yulin and Qian Fuye

Strategic Study of CAE 2009, Volume 11, Issue 6,   Pages 111-122

Abstract: ="text-align: justify;">The method of earthquake short-term and impending prediction by using tidal wave

Keywords： “black box”& HRT wave model     PS-100HRT instrument system     discovery of HRT wave precursor and its regularity     practicality of HRT wave model    

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Title Author Date Type Operation

A Realization to Enhance the Signal Noise Ratio With Superposition on the Same Phase Signal

Han Xiuting,Wang Jiechun,Jiao Zhenqaing,Gao Fei,Song Yubo

Journal Article

Theoretical study of vibrating effect on heat transfer in laminar flow

Baoxing LI, Maocheng TIAN, Xueli LENG, Zheng ZHANG, Bo JIANG

Journal Article

A method of analysis for modal aero-damping of vibrating blade in incompressible flow

Jun XING, Lin LI,

Journal Article

Achieving desired nodal lines in freely vibrating structures via material-field series-expansion topology

Journal Article

Study on wave rotor refrigerators

Yuqiang DAI, Dapeng HU, Meixia DING

Journal Article

Prediction of the shear wave velocity

Amoroso SARA

Journal Article

Lamb wave propagation modeling for structure health monitoring

Xiaoyue ZHANG, Shenfang YUAN, Tong HAO

Journal Article

A simple multi-wave algorithm for the uncapacitated facility location problem

Fred GLOVER, Saïd HANAFI, Oualid GUEMRI, Igor CREVITS

Journal Article

On subsurface box-shaped lined tunnel under incident SH-wave propagation

Journal Article

A simple method for evaluating liquefaction potential from shear wave velocity

Lianyang ZHANG,

Journal Article

Wave Interaction with a Partial Porous Double-Wall Cylinder

Teng Bin,Li Yucheng,Sun Lu

Journal Article

Analytical solution for SH wave propagating through a graded plate of metamaterial

Jinfeng ZHAO, Yongdong PAN, Zheng ZHONG

Journal Article

Characteristic of the High Energy Density and the Chemical Explosions and Discussion on the Effects of Flood Wave

Zhou Fengjun

Journal Article

A review on front end conversion in ocean wave energy converters

Nagulan SANTHOSH,Venkatesan BASKARAN,Arunachalam AMARKARTHIK

Journal Article

The feasibility of accurate earthquake prediction by HRT wave and examples of strong earthquakes including

Zhao Yulin and Qian Fuye

Journal Article