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Fundamental Phenomena at Interfaces with Frictional Contact. Interface models, variational principles and numerical solutions for dynamic friction problems (J.A.C. Martins, J.T. Oden). Hemivariational inequalities in frictional contact problems and applications (P.D. Panagiotopoulos). The influence of slip hardening and interface compliance on contact stress distributions. A mathematical programming approach (A. Klarbring). Modelling of Interfaces in Geomechanics. On the modeling of contact problems with dilation (M. Plesha, T. Belytschko). Torsional response of cylindrical rigid inclusions with interface slip (A.P.S. Selvadurai, R.K.N.D. Rajapakse). Constitutive modelling for interfaces under cyclic loading (C.S. Desai, B.K. Nagaraj). Contact and Inclusion Problems. A finite element method for contact problems with finite deformations and mixed boundary conditions (G.Z. Voyiadjis, A.A. Poe). Effect of interface properties on wave propagation in a medium with inclusions (S.K. Datta, H.M. Ledbetter). Stability of a long cylindrical shell with partial contact at the end face (A. Azarkhin, J.R. Barber). Interface Problems in Geomechanics. Unilateral contact at an internally indented smooth elastic interface (A.P.S. Selvadurai). Large ice mass surging via ice-bedrock interface mobilization (D.F.E. Stolle, F.A. Mirza). An axisymmetric interface element for soil-structure interaction problems (M.O. Faruque). Interface Phenomena in Fracture Mechanics. Rapid interface flaw extension with friction: varying Coulomb or viscous coefficients of friction (L.M. Brock). Study of frictional closure of a crack emanating from a circular inclusion (M. Comninou, N. Li). Finite element interface crack analysis with application to massive hydraulic fracturing containment (E.P. Chen). Author Index. Subject Index.
The category of problems which examines the mechanical behaviour of contact regions constitutes an important branch of applied mechanics with extensive engineering applications. The results of such research can be applied to the study of mechanics of composite materials, tribology, soil-foundation interaction, mechanics of rock interfaces, modelling of damage phenomena and micro-mechanics. In classical studies, the modelling of interface responses has focussed on purely idealized forms of interface phenomena which range from frictionless contact to bonded contact, with Coulomb friction or finite friction occupying an intermediate position. Current research has attempted to improve such modelling by endowing the interface with its own characteristic constitutive responses. This research indicates the significant manner in which non linear, frictional, dilatant, hardening and softening interface constitutive responses can influence the global and local interface responses of engineering interest.
The technical sessions held in New Mexico (sponsored by the Elasticity Committee of the Engineering Mechanics Division of the American Society of Civil Engineers) brought together new advances in the theoretical formulation, analysis and the application of material interface modelling to problems of engineering interest. This book contains the papers presented plus invited contributions from leading researchers.
- © North Holland 1986
- 1st January 1986
- North Holland
- eBook ISBN:
McGill University, Montreal, Canada
Dr. Voyiadjis is a Member of the European Academy of Sciences, and Foreign Member of both the Polish Academy of Sciences, and the National Academy of Engineering of Korea. George Z. Voyiadjis is the Boyd Professor at the Louisiana State University, in the Department of Civil and Environmental Engineering. This is the highest professorial rank awarded by the Louisiana State University System. He is also the holder of the Freeport-MacMoRan Endowed Chair in Engineering. He joined the faculty of Louisiana State University in 1980. He is currently the Chair of the Department of Civil and Environmental Engineering. He holds this position since February of 2001. He also served from 1992 to 1994 as the Acting Associate Dean of the Graduate School. He currently also serves since 2012 as the Director of the Louisiana State University Center for GeoInformatics (LSU C4G; http://c4gnet.lsu.edu/c4g/ ). Voyiadjis’ primary research interest is in plasticity and damage mechanics of metals, metal matrix composites, polymers and ceramics with emphasis on the theoretical modeling, numerical simulation of material behavior, and experimental correlation. Research activities of particular interest encompass macro-mechanical and micro-mechanical constitutive modeling, experimental procedures for quantification of crack densities, inelastic behavior, thermal effects, interfaces, damage, failure, fracture, impact, and numerical modeling. Dr. Voyiadjis’ research has been performed on developing numerical models that aim at simulating the damage and dynamic failure response of advanced engineering materials and structures under high-speed impact loading conditions. This work will guide the development of design criteria and fabrication processes of high performance materials and structures under severe loading conditions. Emphasis is placed on survivability area that aims to develop and field a contingency armor that is thin and lightweight, but with a very high level of an overpressure protection system that provides low penetration depths. The formation of cracks and voids in the adiabatic shear bands, which are the precursors to fracture, are mainly investigated. He has two patents, over 332 refereed journal articles and 19 books (11 as editor) to his credit. He gave over 400 presentations as plenary, keynote and invited speaker as well as other talks. Over sixty two graduate students (37 Ph. D.) completed their degrees under his direction. He has also supervised numerous postdoctoral associates. Voyiadjis has been extremely successful in securing more than $30.0 million in research funds as a principal investigator/investigator from the National Science Foundation, the Department of Defense, the Air Force Office of Scientific Research, the Department of Transportation, National Oceanic and Atmospheric Administration (NOAA), and major companies such as IBM and Martin Marietta.
Boyd Professor, Department of Civil and Environmental Engineering, Louisiana State University