Results 251 to 260 of about 26,650 (306)
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A FRICTIONAL CONTACT ELEMENT FOR STRONGLY CURVED CONTACT PROBLEMS
International Journal for Numerical Methods in Engineering, 1996Based on a mixed formulation approach, a frictional contact element is proposed for the solution of contact problems including strongly curved rigid obstacles. For modelling of the forming tool geometries by computer aided geometric design techniques and in order to achieve a high performance of the contact search, the numerical schemes operate ...
P Alart
exaly +3 more sources
2021
In this chapter, we show how the HHO method can be used to discretize a linear elasticity problem with nonlinear boundary conditions resulting from contact and friction. The main idea is to use a boundary penalty technique to enforce these conditions.
Cicuttin M., Ern A., Pignet N.
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In this chapter, we show how the HHO method can be used to discretize a linear elasticity problem with nonlinear boundary conditions resulting from contact and friction. The main idea is to use a boundary penalty technique to enforce these conditions.
Cicuttin M., Ern A., Pignet N.
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American Journal of Industrial Medicine, 1985
AbstractFrictional trauma to the palms and fingertips can provoke a dermatitis. Cases of frictional dermatitis have been recognized in workers handling large quantities of pressure‐sensitive carbonless paper. Elimination of the trauma led to healing within 2–3 weeks.
T, Menne, N, Hjorth
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AbstractFrictional trauma to the palms and fingertips can provoke a dermatitis. Cases of frictional dermatitis have been recognized in workers handling large quantities of pressure‐sensitive carbonless paper. Elimination of the trauma led to healing within 2–3 weeks.
T, Menne, N, Hjorth
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Brush Friction and Contact Losses
Transactions of the American Institute of Electrical Engineers, 1913It is apparent from the foregoing that the niceties of adjustment found necessary in obtaining coefficient of friction show the hopelessness of determining the true friction loss by the method outlined in the existing Standardization Rules. It is evident that in measuring brush friction by reading the input to, the machine with brushes up and brushes ...
H. F. T. Erben, A. H. Freeman
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FRICTIONAL VISCOELASTIC CONTACT
The Quarterly Journal of Mechanics and Applied Mathematics, 1986It is shown that, in a previous treatment of this topic [the author, ibid. 32, 25-52 (1979; Zbl 0409.73093)], the expression used for the coefficient of hysteretic friction was incomplete. Corrected expressions for this quantity are derived from a treatment of the problem which is more general, and in some respects more compact and elegant, than the ...
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Frictional Heating of Elliptic Contacts
1994Wherever friction occurs mechanical energy is transformed into heat. The maximum surface temperature associated with this heat generation can have an important influence on the tribological behaviour of the mating components. For band contacts and circular contacts this temperature has already been studied extensively.
Bos, J., Moes, H.
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Contact Mechanics: Friction and Wear
1998Contact mechanics describes the stresses and the deformations in the neighbourhood of the contact between two pressed bodies. The following examples are given: concentrated and distributed normal and tangential loads, point load, pressure on a circular surface, hertzian contact for normal and tangential loadings.
Dominique François +2 more
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Contact - Friction of Fuzzy Type. Contact - Friction of Fractal Type
1995The aim of this paper is to introduce fuzzy and fractal friction laws. Fuzzy superpotential laws were first considered by the second author in Panagiotopoulos (1993). The phenomenon is described in terms of a nonconvex superpotential which is appropriately defined and a hemivariational inequality is obtained.
E. S. Mistakidis +2 more
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FRICTIONAL CONTACT WITH TRANSVERSE SHEAR
The Quarterly Journal of Mechanics and Applied Mathematics, 1986The problem considered is that of a rigid plane indentor pressed into a region ...
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Friction in an elastohydrodynamic contact
Fluid Dynamics, 1976The problem of the movement of a fluid in an elastohydrodynamic contact is examined in cases of high pressures, high displacement velocities, and low characteristic times, taking into account the nonlinear properties of the fluid — dependence of viscosity on pressure, temperature, and displacement velocity. Simple asymptotic formulas are obtained.
M. A. Galakhov, V. V. Shirobokov
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