Results 211 to 220 of about 31,402 (263)

Study on the evolution law of overlying strata movement inducing surface subsidence under different mining sequences of multiple coal seams: a case study. [PDF]

Sci Rep
Chen Y, Wu F, Liu C, Lu Y, Hu J.
europepmc   +1 more source

Phase-Field Damage Modeling of Electromechanical Fracture in MEMS Piezoelectric Films. [PDF]

Materials (Basel)
Chen X, Zhang Y, Xue Y, Shi Y, Cheng J.
europepmc   +1 more source

Influence of seismic strain stress on evolution law of microcracks in concrete TPB tests using AE technology. [PDF]

Sci Rep
Xiao D, Wen L, Cao Y, Chen S, Dou Y, Tang L.   +5 more
europepmc   +1 more source

Fracture Properties of High-Elasticity Asphalt Concrete Reinforced with Rubber Particles and Polyester Fibers. [PDF]

Materials (Basel)
Wu J, Huo T, Wang J, Gao X, Liu H, Wang J.   +5 more
europepmc   +1 more source

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Hydraulic-Fracture Propagation in a Naturally Fractured Reservoir

SPE Production & Operations, 2010
Summary We present the results of numerical modeling that quantify the physical mechanisms of mechanical activation of a natural fault because of contact with a pressurized hydraulic fracture (HF). We focus on three stages of interactions: HF approaching, contact, and subsequent infiltration of the fault.
D. A. Chuprakov, A. V. Akulich, E. Siebrits, M. Thiercelin   +3 more
openaire   +1 more source

Fold Catastrophe Model of Fracture Propagation of Hydraulic Fracturing

2010 International Conference on E-Business and E-Government, 2010
According to energy conservation from the destruction of rock catastrophe, a new calculation method of the length of fracture propagation in hydraulic fracturing is proposed, and assuming the crack extends to approximate ellipse, the width calculation model of fracture extension is established.
Zhaowan Chun, Wan Tingting, Ai Chi, Ju Guoshuai   +3 more
openaire   +1 more source

Elastic interface waves propagating in a fracture

Physical Review Letters, 1992
We have made the first direct observation of a new class of elastic interface waves that propagate along the discontinuity of a fracture in a solid. Two propagating eigenmodes were detected in a synthetic fracture in aluminum. The waves are dispersive and polarization dependent, verifying theoretical predictions.
, Pyrak-Nolte, , Xu, , Haley
openaire   +2 more sources

Linear stability analysis for propagating fracture

Physical Review E, 1996
To study the stability of mode I (opening-mode) fracture, we consider a two-dimensional system in which a crack moves along the center line of a very wide, infinitely long strip. We compute the first-order response of the crack to a spatially periodic, perturbing shear stress. We assume isotropic linear elasticity in the strip and a cohesive-zone model
, Ching, , Langer, , Nakanishi
openaire   +2 more sources

Dynamic fracture propagation in hydraulic re-fracturing

Journal of Petroleum Science and Engineering, 2010
Re-fracturing is important for stimulating low-permeability reservoirs, for the effective production duration after the initial fracturing is short and needs to be stimulated again. However, the fracture configuration caused by re-fracturing affects the re-stimulated production greatly.
Guang Qing Zhang, Mian Chen
openaire   +1 more source

Effect of Natural Fractures on Hydraulic Fracture Propagation

SPE European Formation Damage Conference, 2005
Abstract Various fracture interaction criteria were reviewed and a systematic study is presented to analyze the effect of natural fractures on hydraulic fracture propagation. From the literature review, the approach of Warpinski and Teufel was adopted to evaluat the fracture propagation that would occur after a hydraulic fracture ...
N. Potluri, D. Zhu, A. D. Hill
openaire   +1 more source