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Multi-harmonic forced vibration and resonance of simple beams to moving vehicles

Frontiers of Structural and Civil Engineering   Pages 981-993 doi: 10.1007/s11709-023-0979-5

Abstract: load on the modal coordinates of a linear elastic simple Euler–Bernoulli beam, and investigated theThe analysis revealed that a moving load induces high-harmonic forced resonance amplification when theTo verify the occurrence of high-harmonic forced resonance, numerical tests were conducted on single-spansimple beams based on structural modeling using the finite element method (FEM) and a moving sprung-massFor the investigated single-span simple beams, the moving vehicle carriage heaving oscillation modulates

Keywords： forced vibration     linear Euler beam     moving load     harmonic structure     frequency modulation     end restraints    

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The analysis of the motions of the double eccentric cams used in a process intensification equipment

Zhu Ruilin,Zhu Guolin

Strategic Study of CAE 2012, Volume 14, Issue 10,   Pages 90-96

Abstract: eccentric cam rotates around a fixed axis, it is the geometric center of eccentric cam that moves in simpleharmonic motion (sine/cosine motion), under certain conditions, the components (such as piston) drivenby the eccentric cam do not move in the same simple harmonic motion, therefore some problems, such as

Keywords： cam     piston     simple harmonic motion    

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A simple digital control algorithm for three phase shunt active filter: simulation and experimentation

Subbaraman SRINATH, Chandan KUMAR, M. P. SELVAN

Frontiers in Energy 2014, Volume 8, Issue 1,   Pages 119-128 doi: 10.1007/s11708-013-0288-0

Abstract: A novel and simple control algorithm using digital signal processor (DSP) has been proposed and realizedThe hardware results correlate with the simulation results in reducing the total harmonic distortion

Keywords： active filter (SAF)     power quality     voltage source inverter (VSI)     digital signal processor (DSP)     total harmonic    

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Evaluation of the harmonic scalpel in open surgery for abdominal aortic aneurysm

Zeyu Wu, Zhe Chen, Lin Peng

Frontiers of Medicine 2012, Volume 6, Issue 1,   Pages 85-88 doi: 10.1007/s11684-012-0174-x

Abstract:

The harmonic scalpel is a hemostatic device primarily designed for use in laparoscopic surgery.During the last few years, many surgeons have begun to use the harmonic scalpel in open surgery.The aim of the present study is to determine the value of the harmonic scalpel in open operation forOpen surgery performed with the harmonic scalpel on 105 patients was compared with open operation usingThe hospital stay was shorter for the harmonic scalpel group than for the conventional surgery group

Keywords： abdominal aortic aneurysm     harmonic scalpel     minimally invasive    

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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: This paper develops a simple method for evaluating the liquefaction potential of soils from shear waveThe developed method uses the measured data directly and in a very simple way.Comparisons indicate that the developed simple method has a higher success rate for evaluating liquefactionA case study is presented to illustrate the application of the developed simple method and further confirms

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

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An investigation into the vibration of harmonic drive systems

M. Masoumi, H. Alimohammadi

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 4,   Pages 409-419 doi: 10.1007/s11465-013-0275-5

Abstract:

Harmonic drive systems are precise and specific transmission gear systems which are beneficial inThis paper presents a vibration analysis of harmonic drive systems using the shell theory.

Keywords： harmonic drive system     strain wave gearing mechanism     vibration analysis     natural frequencies    

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Meshing stiffness property and meshing status simulation of harmonic drive under transmission loading

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0674-6

Abstract: The multitooth meshing state of harmonic drive (HD) is an important basic characteristic of its high

Keywords： harmonic drive     meshing flexibility matrix     meshing force     loading backlash     flexspline     contact analysis    

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Dynamic analysis of composite beam subjected to harmonic moving load based on the third-order shear deformation

Mohammad Javad REZVANIL, Mohammad Hossein KARGARNOVIN, Davood YOUNESIAN

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 4,   Pages 409-418 doi: 10.1007/s11465-011-0245-8

Abstract:

The response of an infinite Timoshenko beam subjected to a harmonic moving load based on the third-orderusing the principle of total minimum potential energy, the governing partial differential equations of motion

Keywords： timoshenko composite beam     pasternak viscoelastic foundation     third-order shear deformation theory (TSDT)     harmonic    

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Offline motion planning and simulation of two-robot welding coordination

Tie ZHANG, Fan OUYANG

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 1,   Pages 81-92 doi: 10.1007/s11465-012-0309-4

Abstract: After that, the non master/slave scheme is chosen for the motion planning, the non master/slave scheme

Keywords： complex curve seam     two robots     coordinated welding     motion planning    

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Experiments on channel columns with inclined simple edge stiffeners under compression loading

WANG Chungang, ZHANG Yaochun, ZHANG Zhuangnan

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 3,   Pages 312-321 doi: 10.1007/s11709-007-0041-z

Abstract: order to investigate the compression behavior of pin-ended cold-formed channel columns with inclined simple

Keywords： different     post-buckling strength     capacity     distortional buckling     Furthermore    

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A simple and cheap method for preparation of coupled ZrO2/ZnO with high photocatalytic activities

WANG Zheng, ZHANG Bingru, LI Fengting

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 4,   Pages 454-458 doi: 10.1007/s11783-007-0072-7

Abstract: Coupled ZrO/ZnO photocatalyst was prepared with a simple precipitation method with cheap raw

Keywords： objective     ZrO/ZnO photocatalyst     photocatalyst     precipitation     degradation    

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Effect of harmonic distortion on electric energy meters of different metrological principles

Illia DIAHOVCHENKO, Vitalii VOLOKHIN, Victoria KUROCHKINA, Michal ŠPES, Michal KOSTEREC

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 377-385 doi: 10.1007/s11708-018-0571-1

Abstract: Some devices take into account all the harmonic distortions and the constant component which occur inthe network while others measure the power and energy values of the fundamental harmonic only.

Keywords： current     distortion     electric energy meter     harmonics     power quality    

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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: We 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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Complete set technologies and equipment for 900 t simple-supported box beam construction in high-speed

Wang Qingming,Liu Linsheng

Strategic Study of CAE 2011, Volume 13, Issue 4,   Pages 75-80

Abstract:

Complete set technologies and equipment for 900 t simple supported boxare introduced in this paper, including the pre fabrication technologies and equipment of the 900 t simplelaying and erection technologies and equipment, construction technologies and equipment of the 900 t simple

Keywords： high speed railway     simple supported box beam     construction technology    

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Three-dimensional composite Li metal anode by simple mechanical modification for high-energy batteries

Frontiers in Energy 2023, Volume 17, Issue 5,   Pages 569-584 doi: 10.1007/s11708-023-0875-7

Abstract: Under this condition, a novel method to construct 3D composite anode via simple mechanical modification

Keywords： lithium (Li)-ion battery (LIB)     Li metal battery     three-dimensional (3D) composite Li metal anode     mechanical modification     reducing local current density    

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Title Author Date Type Operation

Multi-harmonic forced vibration and resonance of simple beams to moving vehicles

Journal Article

The analysis of the motions of the double eccentric cams used in a process intensification equipment

Zhu Ruilin,Zhu Guolin

Journal Article

A simple digital control algorithm for three phase shunt active filter: simulation and experimentation

Subbaraman SRINATH, Chandan KUMAR, M. P. SELVAN

Journal Article

Evaluation of the harmonic scalpel in open surgery for abdominal aortic aneurysm

Zeyu Wu, Zhe Chen, Lin Peng

Journal Article

A simple method for evaluating liquefaction potential from shear wave velocity

Lianyang ZHANG,

Journal Article

An investigation into the vibration of harmonic drive systems

M. Masoumi, H. Alimohammadi

Journal Article

Meshing stiffness property and meshing status simulation of harmonic drive under transmission loading

Journal Article

Dynamic analysis of composite beam subjected to harmonic moving load based on the third-order shear deformation

Mohammad Javad REZVANIL, Mohammad Hossein KARGARNOVIN, Davood YOUNESIAN

Journal Article

Offline motion planning and simulation of two-robot welding coordination

Tie ZHANG, Fan OUYANG

Journal Article

Experiments on channel columns with inclined simple edge stiffeners under compression loading

WANG Chungang, ZHANG Yaochun, ZHANG Zhuangnan

Journal Article

A simple and cheap method for preparation of coupled ZrO2/ZnO with high photocatalytic activities

WANG Zheng, ZHANG Bingru, LI Fengting

Journal Article

Effect of harmonic distortion on electric energy meters of different metrological principles

Illia DIAHOVCHENKO, Vitalii VOLOKHIN, Victoria KUROCHKINA, Michal ŠPES, Michal KOSTEREC

Journal Article

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

Fred GLOVER, Saïd HANAFI, Oualid GUEMRI, Igor CREVITS

Journal Article

Complete set technologies and equipment for 900 t simple-supported box beam construction in high-speed

Wang Qingming,Liu Linsheng

Journal Article

Three-dimensional composite Li metal anode by simple mechanical modification for high-energy batteries

Journal Article