Results 241 to 250 of about 14,877,607 (296)

Evolution patterns and characteristics of ballasted track bed lateral resistances in cold regions under progressive freezing of ice layers. [PDF]

PLoS One
Liu J, Qi W, Chen A, Cao Y, Kou L, Sysyn M, Ma Z.   +6 more
europepmc   +1 more source

Multiscale Analysis of Reinforced Concrete Frames with Embedded Metamaterials Under Progressive Collapse. [PDF]

Materials (Basel)
Long X, Samuneti C, Iyela PM, Kawkabi KW, Ngangura PM, Fan K.   +5 more
europepmc   +1 more source

Cutting soft materials: how material differences shape the response. [PDF]

NPJ Comput Mater
Moreno-Mateos MA, Steinmann P.
europepmc   +1 more source

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A cohesive zone model for the adhesion of cylinders

Journal of Adhesion Science and Technology, 1997
A cohesive zone model is developed to describe the adhesion between long cylinders in contact, thus extending the work of Maugis, who considered the adhesion of spheres. A parameter λ is shown to govern the range of applicability of the different contact theories, and an explicit condition is given for the use of the Johnson-Kendall-Roberts (JKR ...
C -Y Hui
exaly   +2 more sources

The cohesive zone model: advantages, limitations and challenges

Engineering Fracture Mechanics, 2002
Abstract This paper reviews the cohesive process zone model, a general model which can deal with the nonlinear zone ahead of the crack tip––due to plasticity or microcracking––present in many materials. Furthermore, the cohesive zone model is able to adequately predict the behaviour of uncracked structures, including those with blunt notches, and not
Javier Gomez, Manuel Elices Calafat, Jaime Planas   +2 more
exaly   +2 more sources

Determination of cohesive parameters for a mixed-mode cohesive zone model

International Journal of Adhesion and Adhesives, 2010
Abstract The mechanical behaviour and failure properties of adhesive joints are influenced not only by adhesive properties but also by interface characteristics. Various modelling methods have been proposed to predict the failure behaviour of adhesive joints.
Byung Chai Lee, Jung Ju Lee
exaly   +2 more sources

Cohesive zone modelling of fracture in polybutene

Engineering Fracture Mechanics, 2006
Fracture properties of isotactic polybutene-1 have been investigated. Fracture tests have been conducted and relevant properties at initiation have been determined according to linear elastic fracture mechanics. Two distinct fracture mechanisms have been identified, one of them causing partial instability during crack propagation.
ANDENA, LUCA, RINK SUGAR, MARTA ELISABETH, J. G. WILLIAMS   +2 more
openaire   +2 more sources

Cohesive Zone Models and Fracture

The Journal of Adhesion, 2011
Basic concepts on cohesive models and their usage in fracture are reviewed. These included potential based cohesive zone models and the concept of an anisotropic failure surface. Some new results are presented for history-dependent cohesive zone models. In particular, a class of cohesive zone models where damage is represented by a state variable which
C. Y. Hui, A. Ruina, R. Long, A. Jagota
openaire   +1 more source

A refined cohesive zone model that accounts for inertia of cohesive zone of a moving crack

Mechanics Research Communications, 2016
Abstract Existing cohesive zone models assume that actual fracture zone of non-zero mass can be modeled by a line segment (cohesive zone) with no mass and inertia. In the present work, a simplified mass-spring model is presented to study inertia effect of cohesive zone on a mode-I steady-state moving crack. It is showed that fracture energy predicted
J. Wu, C.Q. Ru
openaire   +1 more source

A micromechanical model for a viscoelastic cohesive zone

International Journal of Fracture, 2001
A micromechanical model for a viscoelastic cohesive zone is formulated herein. Care has been taken in the construction of a physically-based continuum mechanics model of the damaged region ahead of the crack tip. The homogenization of the cohesive forces encountered in this region results in a damage dependent traction-displacement law which is both ...
David H. Allen, Chad R. Searcy
openaire   +1 more source