Results 61 to 70 of about 462,939 (118)

A PDE-constrained optimization formulation for discrete fracture network flows [PDF]

open access: yes, 2013
We investigate a new numerical approach for the computation of the 3D flow in a discrete fracture network that does not require a conforming discretization of partial differential equations on complex 3D systems of planar fractures.
Pieraccini, Sandra   +2 more
core   +1 more source

Combined index finger pollicization with an anterolateral thigh fl ap for thumb reconstruction

open access: yesChinese Journal of Traumatology, 2014
A severe crush injury to the hand is devastating to patients. Under conditions in which the crush force is too great, the digits are not viable candidates for replantation. We present two cases in which the patients suffered from loss of the thumb ray at
Yu Guang
doaj  

Fracture mechanics of volcanic eruptions [PDF]

open access: yes, 2009
Seismology is a key tool in the forecasting of volcanic eruptions. The onset of an eruption is often preceded and accompanied by an increase in local seismic activity, driven by fracturing within the edifice.
Matthews, C., Matthews, C
core  

Buoyancy-driven crack propagation: the limit of large fracture toughness [PDF]

open access: yes, 2007
We study steady vertical propagation of a crack filled with buoyant viscous fluid through an elastic solid with large effective fracture toughness. For a crack fed by a constant flux Q, a non-dimensional fracture toughness K=Kc/(3μQm3/2)1/4 describes the
Roper, S.M.   +3 more
core   +1 more source

The Uncommon Trapezium Fracture: A Case Series. [PDF]

open access: yesJ Wrist Surg, 2020
Beekhuizen SR   +3 more
europepmc   +1 more source

Generalized phase-field models for brittle and ductile fracture

open access: yes, 2017
The formation of fracture or slip surfaces in brittle or perfectly-plastic bodies, respectively, is predicted by the minimization of a two field free-energy functional as in classical phase-field models.
Royer Carfagni G., Freddi F.
core  

Cyclic fracture behaviour of brazed martensitic stainless steel joints

open access: yes, 2009
In the present work, the cyclic fracture behaviour of brazed joints of the soft martensitic stainless steel X3CrNiMo13-4 was investigated. The fatigue crack propagation curves (da/dN-ΔK) were derived for different load ratios R.
Leinenbach, Christian (author)   +2 more
core   +1 more source

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