Contact problems
Solving dynamic contact problems with local refinement in space and time
... dynamic contact problems with locally refined ...the contact zone. For linear problems, we have shown that under some reasonable assumptions, the convergence rate of the correspond ing ...
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On the coupling of local multilevel mesh refinement and ZZ methods for unilateral frictional contact problems in elastostatics
... frictional contact problems in elasto- ...frictional contact problems is ...of contact status is required between the refinement ...the contact areas and that the converged LDC ...
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A domain decomposition strategy for nonclassical frictional multi-contact problems
... multi-contact problems Domain decomposition methods (substructuring techniques) are ecient because they allow to reduce memory storage and calculation ...
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A consistent segment procedure for solution of 2D contact problems with large displacements
... Solution of friction contact problems in a general three-dimensional setting is a chal- lenging task. Much research has been conducted for the solution of 2D and 3D con[r] ...
146
Mesh r-adaptation for unilateral contact problems
... We have adopted, in the present work, an adaptation technique based on hierar- chical estimators. In other words, we use higher order interpolation to evaluate local errors. It is noteworthy that edge based errors are ...
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Comparative study of the use of C1-continuous finite elements and splines for contact problems with large slidings
... of contact problems is still a delicate matter especially when large transforma- tions are ...the contact surfaces and the discretization error induced by linear finite elements may not be ...the ...
3
An application of a master-slave algorithm for solving 3D contact problems between deformable bodies in forming processes
... large-strain problems in which the mesh degenerates long before the end of the ...the contact conditions because the possible penetrations of the slave domain into the master ones are small enough to be ...
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Energy-Consistent CoRotational Schemes for Frictional Contact Problems
... Such problems become even more difficult to solve in case of contact and have led to many research activities both from the numerical and the theoretical points of view (see [5, 12, 13, 17, 19] and the ...
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Modeling of topological derivatives for contact problems
... Unité de recherche INRIA Sophia Antipolis 2004, route des Lucioles - BP 93 - 06902 Sophia Antipolis Cedex France Unité de recherche INRIA Futurs : Parc Club Orsay Université - ZAC des Vi[r] ...
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Numerical methods for dynamic contact and fracture problems
... unilateral contact with cohesive forces, assuming the sur- jectivity of the operator B de ned by ...unilateral contact problems with cohesive ...tact problems with cohesive ...unilateral ...
157
Hybrid discretization methods for Signorini contact and Bingham flow problems
... Figure 1.8: Signorini’s exact solution for our numerical results from Chapter 2. The magenta dots represent the values of the numerical solution at the faces and cells barycenters of an hexagonal mesh (depicted in ...
109
Modélisation numérique et approche expérimentale du contact en dynamique : Application au contact aubes/carter de turboréacteur
... au contact (l´eg`ere pression: l’aube touche le carter sur une seule zone longue d’environ 30 cm): un enregistrement des r´eponses de l’aube et du carter est fait sur l’intervalle ...le contact a ´et´e ...
200
Contact sensing--a sequential decision approach to sensing manipulation contact features
... A similar idea is presented in [Robles, 1995], although here the focus is assembly. In this thesis, an action map for states that might be visited given the nominal [r] ...
186
Fissuration avec X-FEM et contact
... 4 Giens 2005 3. Originalité des discrétisations éléments finis La méthode X-FEM est basée sur la partition de l’unité (Melenk et al., 1996) et propose d’enrichir la base des fonctions de forme (Moës et al., 1999) dans ...
7
Mesure du rythme respiratoire sans contact
... et al., 2011]. En fait, le son émis par la respiration n’est pas une vibration comme dans le cas de la parole (vibrations de l’air fait par les cordes vocales) mais une conséquence d’un déplacement d’air engendré par ...
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Graphene : FET and metal contact modeling – Graphène : modélisation du FET et du contact métallique
... DFT was used to study the band-structure of graphene-metal complexes, along with their work function and bonding energy for various metals. Those studies allowed dis- tinguishing two categories of complexes upon the ...
129
Contact thermal lithography
... The transient heating characteristics of the polymer are used to deduce the appropriate optical intensity and exposure time necessary to cure the resist through its thickn[r] ...
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Contact and calquing
... ‘honey badger’ (lit. ‘ripper of ankles’) Taine-Cheikh (2008: 126) stresses that it is somewhat difficult to trace back the origin of these compounds. Accordingly, she speaks of a process of conver- gence between the two ...
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Asynchronous Contact Tracing
... • It is not even necessary for Alice to exist as a physical person, because the virus could transfer on to a surface as a result of coming into contact with other contaminated surfaces, such as articles being sent ...
11
CONTACT DE LANGUES ET TRANSFERTS CONCEPTUELS
... CONTACT OF LANGUAGES AND CONCEPTUAL TRANSFERS Abstract This paper aims to illustrate the relations between culture and language, through two examples. The first one concerns the transfers of use from the word ...
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