frictional contact
Comparison of two projection methods for the solution of frictional contact problems
... Frictional contact phenomena among deformable bodies or between deformable and rigid bodies abound in industry and daily life; they play an important role in many fields of solid mechanics [1, ...the ...
14
A Numerical Solution for a Frictional Contact Problem between an Orthotropic Strip and Punch System
... 1. ε is equal to zero in frictionless contact problem. In this situation, the smallest pressure value occurs in the middle point of the contact area t = 0 . the pressure graph is also a symmetrical curve. ...
11
An efficient quasi-optimal space-time PGD application to frictional contact mechanics
... The proper generalized decomposition (PGD) aims at finding the solution of a generic problems into a low rank approximation. On the contrary to the singular value decomposition (SVD), such a low rank approximation is ...
17
A Mixed Variational Formulation for a Slip-dependent Frictional Contact Model
... Abstract—A 3D slip-dependent frictional contact problem in elastostatics is discussed. We deliver a variational formulation as a mixed variational problem whose Lagrange multipliers set is solution- ...
5
Weak Solutions via Lagrange Multipliers for a Slip-dependent Frictional Contact Model
... slip-dependent frictional contact law by Tresca’s law with given friction bound g = g(x), the set of the Lagrange multipliers be- comes a fix set Λ (a priori known) and the weak formu- lation is related to ...
6
A computational approach for thermo-elasto-plastic frictional contact based on a monolithic formulation using non-smooth nonlinear complementarity functions
... applications frictional contact and elasto-plastic material behavior come hand in ...the contact interface. Secondly, the dissipation of frictional work leads to an additional heating at the ...
37
A Short Review on Frictional Contact Stress Distribution in Involute Gears
... local contact stress along the profile of the tooth is higher than that occurring at the root of the tooth and is a primary source of the surface fatigue failure, many studies were focused on contact ...
13
An optimization-based algorithm for Coulomb's frictional contact
... dry frictional contact, and the two classical ways to formulate it as a complementarity constraint, either between the gap and the force or between the impulse and the ...with contact forces governed ...
16
System identification of a beam with frictional contact
... The frictional contact boundary condition is provided using a rod attached to the beam ...a contact preload to restrict the lateral movement of the beam at frictional ...
10
Fabrication of a Graphitic Layer for Nanotribological Studies of Temperature Rise in a Frictional Contact Area
... mechanical system (MEMS) switches in satellites. All of these devices have sliding components subject to significant frictional forces that cause heating at the interface. The heating can cause the surface to ...
42
Seismic Analysis of Free-Standing Dry Storage Cask for Spent Fuel
... nonlinear frictional contact at the cask/pad interface will be established, and a dynamic analysis will be performed to simulate a shaking table test on a 1/3 scale model cask conducted by Central Research ...
10
Existence and uniqueness result for a class of mixed variational problems
... Our aim in this paper is to investigate the existence and uniqueness result for a class of mixed variational problems. They are governed by two variational inequalities. By applying the saddle-point theory, we obtain the ...
16
Influence of Friction on Contact Stress for Small Power Transmission Planetary Gear Box
... Define contact type & formulation method of contact, if the problem has contact ...of contact determines how the contacting bodies can move relative to one ...and Frictional. ...
6
Download Download PDF
... The contact restrictions are imposed in the form of projection functions, resulting in a very robust framework to both FEM and BEM frictional contact ...3D frictional contact on ...
17
FRICTIONAL EFFECT IN PACEMAKER LEAD CABLE DUE TO COUPLED CONTACT MODE
... The normal distributed force S and the tangential distributed forces P and Q act along the line of contact between the core and helical wire. The above interfacial forces can be related to the forces and moments ...
5
An experimental study on surface state description by wiping motion for the estimation of floor surface condition using indoor search robot
... Regarding of the studies about the identification of surface and estimation of friction force, literature [4–6] can be mentioned. In these studies, the static friction forces of various road surfaces are measured in ...
9
Wear and frictional behaviour of metals
... The frictional force was recorded during the sliding process for all the ...The frictional behaviour for all the materials seems to be steady especially with the brass and the mild ...the frictional ...
6
Models for predicting frictional properties of rapeseed
... content of rapeseed (% wet basis). The frictional proper- ties were determined at the moisture content of 6.58, 8.15, 9.68 and 11.16% (a wet basis). After adjustment, the sam- ples were placed in sealed bags and ...
6
THE REDUCTION OF FRICTIONAL RESISTANCE IN THE CURVES
... Однако с точки зрения реализации силы тяги локомоти- вов существующая на данном этапе лубрика- ции практика некачественного нанесения луб- рикантов на боковую грань голов[r] ...
9
Response surface methodology
... wear resistance in the KFRE composite in N-O is higher than that of other composites, which indicates high resistance at the interface and reflects the high friction coefficient at this fibre orientation. In the case of ...
76