Fracture Model Reduction and Optimization for Forchheimer Flows in Reservoir [PDF]
J. Math. Phys. 60, 051504 (2019), 2017 In this study, we analyze the flow filtration process of slightly compressible fluids in fractured porous media. We model the coupled fractured porous media system, where the linear Darcy flow is considered in porous media and the nonlinear Forchheimer equation is used inside the fracture.
Aulisa, Eugenio +3 more
arxiv +3 more sources
Atomistic Simulations of Nanotube Fracture [PDF]
, 2002 The fracture of carbon nanotubes is studied by atomistic simulations. The fracture behavior is found to be almost independent of the separation energy and to depend primarily on the inflection point in the interatomic potential. The rangle of fracture strians compares well with experimental results, but predicted range of fracture stresses is marketly ...
A. Maiti +29 more
arxiv +3 more sources
Fractures in complex fluids: the case of transient networks [PDF]
, 2013 We present a comprehensive review of the current state of fracture phenomena in transient networks, a wide class of viscoelastic fluids. We will first define what is a fracture in a complex fluid, and recall the main structural and rheological properties of transient networks.
Ligoure, Christian, Mora, Serge
arxiv +4 more sources
A hybrid-mixed finite element method for single-phase Darcy flow in fractured porous media [PDF]
, 2021 We present a hybrid-mixed finite element method for a novel hybrid-dimensional model of single-phase Darcy flow in a fractured porous media. In this model, the fracture is treated as an $(d-1)$-dimensional interface within the $d$-dimensional fractured porous domain, for $d=2, 3$.
arxiv +1 more source
RANK/RANKL/OPG pathway: genetic associations with stress fracture period prevalence in elite athletes [PDF]
, 2014 Context: The RANK/RANKL/OPG signalling pathway is important in the regulation of bone turnover, with single nucleotide polymorphisms (SNPs) in genes within this pathway associated with bone phenotypic adaptations.
Albagha +45 more
core +1 more source
Reduced mortality and subsequent fracture risk associated with oral bisphosphonate recommendation in a fracture liaison service setting: A prospective cohort study [PDF]
, 2018 Objective: Osteoporotic fragility fractures, that are common in men and women, signal increased risk of future fractures and of premature mortality. Less than one-third of postmenopausal women and fewer men are prescribed active treatments to reduce ...
Bliuc, Dana +8 more
core +4 more sources
Mechanical Engineering Journal, 2016 By using an aligned multi-walled carbon nanotube (MWCNT) reinforced epoxy composite, an electrothermal bimorph actuator was fabricated and its load and deformation capacities were investigated.
Keiichi SHIRASU +6 more
doaj +1 more source
Functional polymorphisms in the P2X7 receptor gene are associated with stress fracture injury [PDF]
, 2016 Context: Military recruits and elite athletes are susceptible to stress fracture injuries. Genetic predisposition has been postulated to have a role in their development.
A Gam +50 more
core +1 more source
Mechanical and thermal expansion properties of aligned carbon nanotube reinforced epoxy composites
Mechanical Engineering Journal, 2019 Aligned MWCNT/epoxy composites made with the three types of the multi-walled carbon nanotubes (MWCNTs) with different thermal annealing temperature have been prepared, and the tensile tests and thermal expansion tests of the composites in the MWCNT ...
Keiichi SHIRASU +3 more
doaj +1 more source
Analysis of the Bauschinger Effect in Cold Drawn Pearlitic Steels
Metals, 2020 Prestressing steel wires usually undergo cyclic loading in service. Therefore, it is of interest to analyse certain features of their mechanical behaviour under this type of loading, such as the Bauschinger effect (BE) or the hardening rule, that fit the
Jesús Toribio +6 more
doaj +1 more source