Contact Stiffness
Sliding Friction Contact Stiffness Model of Involute Arc Cylindrical Gear Based on Fractal Theory
... and contact area using a cubic polynomial in the elastic-plastic ...a contact stiffness model of machined plane to study the contact between planes machined by different ...of contact ...
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A Comparison of Contact Stiffness Measurements Obtained by the Digital Image Correlation and Ultrasound Techniques
... tangential contact stiffness is reasonably repeatable in the four tests where it was ...tangential contact stiffness and this may possibly be explained by noting that ultrasound is very much a ...
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Micromechanical modeling of the contact stiffness of an osseointegrated bone–implant interface
... Figure 4 shows that for relatively low BIC values (below around 50%), the results obtained with the Lekesiz’s model with crack interaction (I) and with the FE model are in good agreement, while the results obtained with ...
18
Stress Analysis of Interference Fit by FEM
... handle contact of pin and hole problems in interference fit with the finite element method, the stiffness relationship between the two contact areas is usually established through a spring that is ...
8
Indenting thin films using an atomic force microscope
... List effective hp plastic hs displacement Pmax maximum applied hmax maximum a radius of the contact circle A projected contact area S contact stiffness P Applied load h depth depth of th[r] ...
119
CALCULATION OF HIGH CONTACT RATIO SPUR GEAR MESH STIFFNESS AND LOAD SHARING RATIO USING MATLAB & EXCEL SPREAD SHEET
... mesh stiffness have been quantified with angular displacements of the ...mesh stiffness variation in multi mesh, two stage gear ...mesh stiffness parameters on instabilities ...mesh stiffness ...
16
Closed-Form Modeling and Analysis of an XY Flexure-Based Nano-Manipulator
... Hertzian contact interface, ...the contact stiffness, and the load mass have significant influence on the static and dynamic performances of the ...the contact stiffness can be ...
11
Ultrasonic Measurement for Film Thickness and Solid Contact in Elastohydrodynamic Lubrication
... lubricated contact between a sliding steel ball and a flat steel disc when substantial solid contact ...point contact was established. The liquid film stiffness was calculated by using a ...
26
Disc-Plate Squeal Investigation Using Finite Element Software: Study And Compare
... the contact between the different components and modelise it precisely so as to be able to predict the dynamic behavior of the ...friction stiffness acts as spring causing the stiffness matrix to be ...
12
Contact Model of Revolute Joint with Clearance Based on Fractal Theory
... theoretical contact force mod- els over the years, including the classic GW model [12], WA model [13], and MB model ...fractal contact mode between rough surfaces based on the fractal ...tangential ...
11
The frequency response of dynamic friction: Enhanced rate-and-state models
... of contact between two sliding surfaces is usually far smaller than the apparent area of ...true contact occurs only at the tips of interacting ...interfacial stiffness processes take place around ...
27
Vibration analysis of stylus instrument for random surface measurement
... for investigating surface profile fidelity in stylus instruments, using a novel dynamic model that takes account of Hertzian contact stiffness between the stylus tip and surface. It briefly describes ...
23
The use of reflected Rayleigh waves to study rough contact interfaces
... of contact parameters is by recording the proportion of an ultrasonic pulse that is reflected from the ...real contact area between two ...media. Contact stiffness measurements using both ...
20
Stiffness and Damping Model of Bolted Joints with Uneven Surface Contact Pressure Distribution
... tangential contact stiffness of bolted joints, most researchers have studied the contact model of asperities based on the Hertz contact theory and obtained the contact stiffness ...
13
Simulation of Failure in Gearbox Using MSC.Adams
... Vehicle’s gearbox is regarded as one of the most crucial elements in a vehicle but it sustains a variety of faults such as a broken tooth, misalignment, imbalance, looseness, and even a broken case. Using accelerometers, ...
10
A New Orthotropic Model for the Stiffness of Machine Tool Joints
... This paper proposes an orthotropic model to describe the stiffness of the joints. This model is one kind of solid block model with orthotropic material properties. The parameters and the stiffness of the ...
5
Prediction of Stiffness for Angular Contact Ball Bearings
... angular contact ball bearings with angularity and self align ball bearings are preferred in machinery where speeds are high and loads are light to moderately ...the stiffness of the rotating components (the ...
8
Investigation on the fretting wear of a coated substrate: interlayer stress behaviour
... the contact and the wear ...the contact area) and introduces the residual stresses, the role of which in a crack propagation mechanism and wear mechanism is very significant ...
7
Calculation of the Combined Torsional Mesh Stiffness of Spur Gears with Two- and Three-Dimensional Parametrical FE Models
... The 2D FE model is used to derive a simple formula for the combined torsional mesh stiffness of spur gears in mesh. This formula uses the three main parts of a gear – body, teeth and contact – to calculate ...
9
Substantiation of Reliability of Developed Spatial Static and Dynamic Models of Natural and Pile Foundations of NPP Structures
... integral stiffness of the foundation at linear and rotary motions of the structure relatively to the coordinate axes; c x , c y , c z , c j x , c j y , c j z – viscous integral stiffness of the foundation ...
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