Results 141 to 150 of about 6,981,402 (189)

THE CONTACT LENS PROBLEM

JAMA: The Journal of the American Medical Association, 1949
The American Committee on Optics and Visual Physiology 1 has been interested in the contact lens problem for some time and authorized the investigation which is the basis for this report. This committee is composed of ophthalmologists from the Section on Ophthalmology of the American Medical Association, the American Ophthalmological Society, the ...
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On a contact problem

Mathematical Notes, 1995
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Kirushev, V. A., Malozemov, V. N.
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On the contact-minimization-problem

2006
The contact minimization problem is the problem of determining which layers should be used for wiring the signal nets of a circuit, such that the total number of layer changes (called contacts or via holes) is minimized. In this paper we show how to use a polynomialtime algorithm to find a maximum matching for a graph to solve the contact minimization ...
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Integral equation and contact problem

Applied Mathematics and Computation, 2004
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M. A. Abdou 0001, F. A. Salama
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Approximation of Contact Problems. Shape Optimization in Contact Problems

1988
The main part of this contribution deals with the approximation of variational inequalities, with special emphasize to contact problems. Finite element technique is used, starting from different variational formulations (primal, mixed). More details, concerning the approximation and numerical realization of contact problems can be found in [9].
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Coupled Problems of Contact Interaction

Journal of Mathematical Sciences, 2019
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Kuz'menko, V. I., Plashenko, S. O.
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The Contact Problem

1989
An important class of structural mechanics problems deals with the stress analysis of bodies in contact. A contact problem occurs when at least two bodies not mechanically joined touch each other without becoming rigidly attached. In most cases, high stress concentrations are developed in the contact areas.
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The Contact Problem for Viscoelastic Bodies

Journal of Applied Mechanics, 1960
The contact problem in viscoelasticity is one in which different types of boundary conditions are prescribed depending on whether boundary points inside or outside the region of contact are considered. Since, in general, the contact region varies with time, this lends to a problem which cannot be treated directly by application of the Laplace transform,
Lee, E. H., Radok, J. R. M.
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A FRICTIONAL CONTACT ELEMENT FOR STRONGLY CURVED CONTACT PROBLEMS

International Journal for Numerical Methods in Engineering, 1996
Based 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 ...
Heege, Andreas, Alart, Pierre
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Some Bubble and Contact Problems

SIAM Review, 1980
A number of problems involving bubbles in a fluid, or contact of surfaces, or both are considered. In each case the size and/or the shape of the bubble, or the location of the points of contact, are unknown in advance and must be found. When the problems are formulated mathematically, boundary conditions must be satisfied at the bubble surface and at ...
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