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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 highMeshing force distribution affects the load sharing of the tooth during meshing, and theoretical researchThe displacement formulae of meshing point under tangential force are derived according to the torsionBased on the relationship of meshing forces and circumferential displacements, meshing forces and loadingand tangential force amplitude because of the change of contact status between the flexspline and the

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

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Gear fault diagnosis using gear meshing stiffness identified by gearbox housing vibration signals

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0713-3

Abstract: Therefore, using gearbox housing vibration signal to identify gear meshing excitation signal is of greatThis paper establishes an analytical mathematical description of the whole transfer process from gear meshingThe gear meshing stiffness (GMS) identification approach is proposed by using housing vibration signalsare discovered in the identified GMS spectra, and the results also validate the rationality of using meshingstiffness to describe the actual gear meshing process.

Keywords： gearbox fault diagnosis     meshing stiffness     identification     transfer path     signal processing    

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Image meshing via hierarchical optimization

Hao XIE,Ruo-feng TONG

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 1,   Pages 32-40 doi: 10.1631/FITEE.1500171

Abstract: A popular way to convert raster images into vector graphics is image meshing, the aim of which is toFor traditional meshing algorithms, the crux of the problem resides mainly in the high non-linearity

Keywords： Image meshing     Hierarchical optimization     Convexification    

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Effects of Boundary Condition and Helix Angle on Meshing Performance of TI Worm Gearing

SUN Yue-hai, DUAN Lu-qian, WANG Shu-ren, ZHANG Ce

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1,   Pages 90-95 doi: 10.1007/s11465-005-0006-7

Abstract: into contact line analysis.With helix angle chosen as parameter, the criterion for the existence of meshingResults show that there can be four situations for meshing boundary line on the tooth surface of gear, namely, inexistence of meshing boundary line, a unique line, two lines, and two coincident lines.If the helix angle is equal to or slightly smaller than the bigger angle, which makes two meshing boundarylines superpose, a preferable meshing performance is obtained.

Keywords： preferable     inexistence     Results     validity     boundary condition    

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Modeling limit force capacities of high force to volume lead extrusion dampers

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 609-622 doi: 10.1007/s11709-021-0724-x

Abstract: Small volumetric sizes and high force capacities define high-force-to-volume (HF2V) devices, which canHowever, the design of such devices for specific force capacities has proven difficult based on the complexitiesThis study developed upper- and lower-bound force capacity estimates from analytical mechanics basedThe proposed models were validated by comparing the predicted bounds to experimental force capacity data/sub>) pair has a mean lower-bound gap of 36%, meaning the lower bound was 74% of the actual device force

Keywords： extrusion     lead dampers     upper and lower bound     analytical modelling     limit force    

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Quality control based on electrode displacement and force in resistance spot welding

Chuntao JI, Lipeng DENG

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 412-417 doi: 10.1007/s11465-010-0114-x

Abstract: The behaviors of electrode displacement and force during spot welding under various conditions, suchAn electrode force peak is observed and believed relevant to the sufficient nugget size.

Keywords： aluminum     electrode displacement     electrode force     nugget size     data acquisition    

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Visualization of force networks in 2D dense granular materials

Jianguo LIU, Qicheng SUN, Feng JIN,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1,   Pages 109-115 doi: 10.1007/s11709-010-0003-8

Abstract: To understand the structure and evolution of force chains, a photoelastic technique was improved forThe interparticle contact force distribution was found a peak around the mean value, a roughly exponentialtail for greater force and a dip toward zero for smaller force.The force chain network around the probe tip was depicted, and the contact angle distribution of particlesin force chains was found to be well aligned in the directions of major principal stress.

Keywords： granular matter     force chain     multiscale modeling    

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Motion/force transmission indices of parallel manipulators

Xinjun LIU, Chao WU, Fugui XIE

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 1,   Pages 89-91 doi: 10.1007/s11465-011-0215-1

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Applications of atomic force microscopy in immunology

Jiping Li, Yuying Liu, Yidong Yuan, Bo Huang

Frontiers of Medicine 2021, Volume 15, Issue 1,   Pages 43-52 doi: 10.1007/s11684-020-0769-6

Abstract: The principle of atomic force microscopy (AFM) and its three running modes are introduced for the mechanicalThe peak force tapping mode provides the most delicate and desirable virtues to collect high-resolutionimages of morphology and force curves.

Keywords： cellular mechanics     atomic force microscopy     neutrophil extracellular trap     macrophage phagocytosis     pore    

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Non-convex sparse optimization-based impact force identification with limited vibration measurements

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0762-2

Abstract: Impact force identification is important for structure health monitoring especially in applications involvingDifferent from the traditional direct measurement method, the impact force identification technique isAs a typical inverse problem, impact force reconstruction and localization is a challenging task, whichMJX-TeXAtom-ORD">-ADMM is applied to solve the impact forceidentification problem with unknown force locations, which can realize simultaneous impact localization

Keywords： impact force identification     inverse problem     sparse regularization     under-determined condition     alternating    

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Shape and topology optimization for tailoring the ratio between two flexural eigenfrequencies of atomic force

Qi XIA,Tao ZHOU,Michael Yu WANG,Tielin SHI

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 1,   Pages 50-57 doi: 10.1007/s11465-014-0286-x

Abstract:

In an operation mode of atomic force microscopy that uses a higher eigenmode to determine the physical

Keywords： atomic force microscopy     cantilever probe     eigenfrequency     optimization    

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on PVDF ultrafiltration membrane fouling behavior under different pH conditions: interface adhesion force

Xudong WANG,Miao ZHOU,Xiaorong MENG,Lei WANG,Danxi HUANG

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 4, doi: 10.1007/s11783-016-0855-9

Abstract: Dramatic flux decline is caused by membrane–BSA adhesion force at start of filtration.different hydrophilic PVDF ultrafiltration (UF) membranes over a range of pH values, self-made atomic forcemembrane–BSA adhesion interaction was stronger than the BSA–BSA adhesion interaction, and the adhesion forceAt the same pH condition, the PVDF/PVA membrane–BSA adhesion force was smaller than that of PVDF/PVP

Keywords： PVDF membrane     Membrane fouling     Adhesion force     Protein     Interfacial free energy    

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Nonlinear sealing force of a seawater balance valve used in an 11000-meter manned submersible

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0726-y

Abstract: The increasing sealing force improves the sealing performance and increases the system’s energy consumptionA hybrid analytical–numerical–experimental (ANE) model is proposed to obtain the minimum sealing forceThe effects of roundness error, environmental pressure, and materials on the minimum sealing force areFinally, the minimum sealing force equation is applied in a balance valve to be experimented using aThe balance valve designed through the minimum sealing force equation is leak-free in the experiment.

Keywords： seawater balance valve     sealing performance     hybrid ANE model     FEM     minimum sealing force equation    

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bionic approach for the mechanical and electrical decoupling of an MEMS capacitive sensor in ultralow force

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-023-0747-1

Abstract: Capacitive sensors are efficient tools for biophysical force measurement, which is essential for theindicating its great performance improvements over existing devices and feasibility in ultralow biomedical force

Keywords： capacitive sensor     bionics     operation instability     mechanical and electrical decoupling     biomedical force    

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Reverse engineering in the construction of numerical simulation oriented patient-specific model of stented aortic arch aneurysm

Xianlong MENG, Wenyu FU, Yun ZHANG, Aike QIAO,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 328-335 doi: 10.1007/s11465-010-0026-9

Abstract: numerical simulation-oriented patient-specific model for aortic arch aneurysm that can perform particular meshingmodeling approach was employed to divide the whole model into several domain blocks to adopt different meshingParticular meshing was performed especially in the boundary layer and around the stents.

Keywords： reverse engineering     aortic arch aneurysm     surface model     meshing     finite element model    

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Title Author Date Type Operation

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

Journal Article

Gear fault diagnosis using gear meshing stiffness identified by gearbox housing vibration signals

Journal Article

Image meshing via hierarchical optimization

Hao XIE,Ruo-feng TONG

Journal Article

Effects of Boundary Condition and Helix Angle on Meshing Performance of TI Worm Gearing

SUN Yue-hai, DUAN Lu-qian, WANG Shu-ren, ZHANG Ce

Journal Article

Modeling limit force capacities of high force to volume lead extrusion dampers

Journal Article

Quality control based on electrode displacement and force in resistance spot welding

Chuntao JI, Lipeng DENG

Journal Article

Visualization of force networks in 2D dense granular materials

Jianguo LIU, Qicheng SUN, Feng JIN,

Journal Article

Motion/force transmission indices of parallel manipulators

Xinjun LIU, Chao WU, Fugui XIE

Journal Article

Applications of atomic force microscopy in immunology

Jiping Li, Yuying Liu, Yidong Yuan, Bo Huang

Journal Article

Non-convex sparse optimization-based impact force identification with limited vibration measurements

Journal Article

Shape and topology optimization for tailoring the ratio between two flexural eigenfrequencies of atomic force

Qi XIA,Tao ZHOU,Michael Yu WANG,Tielin SHI

Journal Article

on PVDF ultrafiltration membrane fouling behavior under different pH conditions: interface adhesion force

Xudong WANG,Miao ZHOU,Xiaorong MENG,Lei WANG,Danxi HUANG

Journal Article

Nonlinear sealing force of a seawater balance valve used in an 11000-meter manned submersible

Journal Article

bionic approach for the mechanical and electrical decoupling of an MEMS capacitive sensor in ultralow force

Journal Article

Reverse engineering in the construction of numerical simulation oriented patient-specific model of stented aortic arch aneurysm

Xianlong MENG, Wenyu FU, Yun ZHANG, Aike QIAO,

Journal Article