Results 251 to 260 of about 2,802,132 (301)
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2004
In metalworking processes the workpiece is deformed by the contact with the die. The pressure required for deformation generates a stress normal to the die surface. The movement of the workpiece relative to the die surface generates a shear stress at the interface.
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In metalworking processes the workpiece is deformed by the contact with the die. The pressure required for deformation generates a stress normal to the die surface. The movement of the workpiece relative to the die surface generates a shear stress at the interface.
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High order mesh-free method for frictional contact
Engineering analysis with boundary elements, 2018This work concerns numerical simulations of the frictional contact of two elastic deformable bodies and a novel treatment technique of incompatible contact nodes.
Y. Belaasilia, B. Braikat, M. Jamal
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Contact Problems with Friction
2016Contact problems become much more complicated when a kind of friction is taken into account, even in the case that we restrict our attention to 3D problems of linear elasticity. The problems start with the formulation of friction laws, which are of phenomenological nature.
Zdeněk Dostál +2 more
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Contact and Friction at Nanoscale
Advanced Materials Research, 2008Molecular Dynamics (MD) simulations of indentation and scratch over crystal nickel (100) were carried out to investigate the microstructure evolution at nanoscale. The dislocation nucleation and propagation during process were observed preferably between close-packed planes.
X.M. Liu, X. You, Zhuo Zhuang
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2015
Our understanding of friction and mechanism of energy dissipation has undoubtedly experienced a tremendous profit after the introduction of scanning probe microscopy. Nowadays the tribological response of a sliding asperity can be easily traced down to the atomic scale.
Marcin Kisiel +3 more
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Our understanding of friction and mechanism of energy dissipation has undoubtedly experienced a tremendous profit after the introduction of scanning probe microscopy. Nowadays the tribological response of a sliding asperity can be easily traced down to the atomic scale.
Marcin Kisiel +3 more
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Contact, Support, and Friction
Sociological Perspectives, 1986The networks literature has been bedeviled by an assumption that networks convey supportiveness to the exclusion of conflict. In this article, we discuss a method for distinguishing conflict, support, and simple contact network linkages in surveys.
Ann Leffler +2 more
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Nonsmooth spatial frictional contact dynamics of multibody systems
Multibody system dynamics, 2021Kun Wang, Q. Tian, Haiyan Hu
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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 ...
Heege, Andreas, Alart, Pierre
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Frictional receding contact problem for a graded bilayer system indented by a rigid punch
International Journal of Mechanical Sciences, 2018The frictional receding contact problem for two graded layers pressed by a rigid punch is considered in this paper. The punch is subjected to both normal and tangential loads thereby resulting in frictional contact with the upper layer.
K. B. Yilmaz +4 more
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2013
This chapter introduces contact forces and pressures and its modelling; consequent to this is friction as occurs within the structure and between the constituent components. Various friction or more correctly energy dissipative mechanisms are identified and are grouped into two categories; those that arise because of relative motion between components ...
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This chapter introduces contact forces and pressures and its modelling; consequent to this is friction as occurs within the structure and between the constituent components. Various friction or more correctly energy dissipative mechanisms are identified and are grouped into two categories; those that arise because of relative motion between components ...
openaire +1 more source