Results 261 to 270 of about 116,211 (311)

Strain-based criteria for mixed-mode fracture of polycrystalline graphite

Engineering Fracture Mechanics, 2016
The mixed-mode brittle fracture of two types of commercial graphite is investigated focusing on strain-based fracture criteria. The previously published experiments using centrally-cracked Brazilian disk specimens subjected to mixed-mode loadings are ...
M M Mirsayar, Filippo Berto, M R M Aliha   +2 more
exaly   +3 more sources

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Perren’s Strain Theory and Fracture Healing

2020
The healing process of fractures depends on their biomechanical environment. The distinct knowledge and understanding of the biomechanical influence on fracture healing is the basis of the definition of the treatment strategy. The primary goal in treating a fracture is to achieve prompt and functional recovery of the injured limb.
Halvachizadeh, Sascha, Pape, Hans-Christoph   +1 more
openaire   +2 more sources

Bone dynamics: Stress, strain and fracture

Journal of Sports Sciences, 1987
Bone is a dynamic tissue whose functional mass is controlled by the balance between the endocrine drive towards bone resorption and the mechanically-engendered drive towards bone formation. Strain is the key intermediate variable between loading forces and bone remodelling. Animal studies have shown that static loading of bone has no osteogenic effect;
A D, Martin, R G, McCulloch
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Stress/strain variability in fractured media: a fracture geometric study

Geotechnical and Geological Engineering, 2021
The presence of natural fractures in fractured media plays a vital role in the in-situ stress state, which is predominantly influenced by tectonic stresses and local perturbations. Fracture orientation, wellbore stability/orientation, and permeability anisotropy are strongly dependent on local stress variations.
Meysam Khodaei, Ebrahim Biniaz Delijani, Ali Naghi Dehghan, Mastaneh Hajipour, Kasra Karroubi   +4 more
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Sprains, Strains, and Fractures

Journal of Consumer Health on the Internet, 2017
ABSTRACTSprains, strains, and fractures are common in all age groups, but individuals have little or no information about what to expect until it happens to them or someone they know. These injuries can occur in a flash, but the recovery can take days, months, or sometimes even longer.
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Representation of Damage with Fracture-Strain

Applied Mechanics and Materials, 2014
Under the influence of stresses and strains damage is progressively accumulated in the material leading to full damage viz. fracture corresponding to a critical damage parameter. The damage parameter varies in between zero and unity inclusive of both the values corresponding to non damaged and fully damaged condition.
C.S. Surendran, G. Sasikala
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Studies on Stress and Strain in Treatment of Fractures

The Journal of Bone & Joint Surgery, 1964
The care of older patients is challenging and fraught with pitfalls, but the orthopaedic surgeon has the opportunity to give the elderly patient a gift that is of the highest value at that time of life, the chance to function better and more independently.
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Fracture in strain gradient elasticity

Metals and Materials, 1998
Recent experiments have shown that the microscale material behavior is very different from that of bulk materials, and displays strong size effects when the characteristic length associated with the deformation is on the order of microns. Conventional continuum theories, however, can not predict this size dependence because they do not have an ...
K. C. Hwang, T. F. Cuo, Y. Huang, J. Y. Chen   +3 more
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Instability of Plastic Strain and Fracture. Strain Diagram for Inhomogeneous Media

Journal of Applied Mechanics and Technical Physics, 2000
A strain diagram for a locally inhomogeneous medium (a medium with a porous structure or a system with noncut particles) is constructed on the basis of the Cosserat nonlinear pseudocontinuum model. A modified criterion of geometrical softening is considered that makes it possible to establish the dependence of the moment of stability loss on the ...
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The plane strain fracture of polysulfone

Engineering Fracture Mechanics, 1974
Abstract It is shown using photoelastic techniques that the concepts of fracture mechanics apply to the plain strain fracture of isotropic polysulfone, a ductile glassy polymer. This forms a yielded zone, consisting of crazes, ahead of the crack, that can be described by the Dugdale model.
R.D.R. Gales, N.J. Mills
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