搜索结果: 1-15 共查到“知识库 理学 fracture”相关记录27条 . 查询时间(0.06 秒)
Performance-based fractal fracture model for complex fracture network simulation
Fractal geometry Fractal fracture model Complex fracture network characterization Contributing reservoir volume Refracturing
2018/4/2
The paper presents a novel hydraulic fracturing model for the characterization and simulation of the complex fracture network in shale gas reservoirs. We go beyond the existing method that uses planar...
The influence of genetic susceptibility and calcium plus vitamin D supplementation on fracture risk
fracture bone mineral density genetic risk score calcium vitamin D postmenopausal women
2018/11/13
Background: Fracture is a complex trait, affected by both genetic and environmental factors. A meta-analysis of genome-wide association studies (GWASs) identified multiple bone mineral density (BMD) a...
A new mixed-mode fracture criterion for large-scale lattice models
mixed-mode fracture criterion large-scale lattice models
2014/12/18
Reasonable fracture criteria are crucial for the
modeling of dynamic failure in computational lattice models.
Successful criteria exist for experiments on the micro- and
on the mesoscale, which are...
Numerical Modeling of Fracturing in Non-Cylindrical Folds: Case Studies in Fracture Prediction Using Structural Restoration
Fractures Geomechanics Joints Sant Corneli anticline Unfolding Fracture prediction Structural restoration
2014/10/22
This thesis contains several distinct studies aimed at better understanding fracturing in compressional fault-cored folds. At outcrops of growth strata in the Oliana anticline in the Spanish Pyrenees,...
Reactive-infiltration instabilities in rocks. Fracture dissolution
Reactive-infiltration instabilities rocks Fracture dissolution Fluid Dynamics
2012/4/19
A reactive fluid dissolving the surface of a uniform fracture will trigger an instability in the dissolution front, leading to spontaneous formation of pronounced well-spaced channels in the surroundi...
Threshold Characteristics of Pulse Loads Causing Fracture on an Example of Concrete and Rocks
threshold pulse crack extension electrical expl osion of conductor fr acture energy concrete rocks
2012/9/24
The technique of definition of threshold parameters of an impact is shown. The experimental results on crack extension in concrete and rocks under the short pulse (2 μ s) of loading are presented. Th...
Hierarchic Nature of Dynamic Deformation and Fracture of Rock Mass
hierarchy of internal structure rock mass dynamic deformation and fracture hierarchic nature
2012/9/24
Dynamic deformation and fracture process of rock mass are investigated from the perspective of structural hierarchy. The relationship between spatial scales of deformation and fracture with strain rat...
A solvable model of fracture with power-law distribution of fragment sizes
solvable model power-law distribution Statistical Mechanics
2011/7/27
Abstract: The present paper describes a stochastic model of fracture, whose fragment size distribution can be calculated analytically as a power-law-like distribution. The model is basically cascade f...
Calculation technique for simulation of wave and fracture dynamics in a reinforced sheet
Calculation technique wave and fracture dynamics
2011/8/30
Mathematical models and computer algorithms are developed to calculate dynamic stress concentration and fracture wave propagation in a reinforced composite sheet. The composite consists of a regular s...
Calculation technique for simulation of wave and fracture dynamics in a reinforced sheet
simulation of wave fracture dynamics reinforced sheet Computational Physics
2011/7/27
Abstract: Mathematical models and computer algorithms are developed to calculate dynamic stress concentration and fracture wave propagation in a reinforced composite sheet. The composite consists of a...
SIDIS in the target fragmentation region: polarized and transverse momentum dependent fracture functions
SIDIS polarized transverse momentum
2011/4/7
SIDIS in the target fragmentation region: polarized and transverse momentum dependent fracture functions 。
Spatio-temporal Model of Multiscale Fracture in Brittle Solids
incubation time criterion dynamic fracture dynamic strength fracture toughness spatio-temporal discretization scale levels cr ack propagation pipelines FEM modelling.
2012/9/24
We analyze examples illustrating typical dynamic effects inherent in dynamic fracture process,and we propose a unified interpretation for fracture of solids utilizing structural-temporal approach bas...
Fracture lineaments and their surroundings with respect to groundwater flow in the bedrock of Sunnfjord,Western Norway
Fracture lineaments surroundings groundwater flow bedrock of Sunnfjord
2009/12/3
Assumptions about groundwater flow based on observations from single-well test sites and a multi-well test site were evaluated by statistical methods on a regional data set of borehole flow rates and ...
Aeromagnetic mapping of deep-weathered fracture zones in the Oslo Region–a new tool for improved planning of tunnels
Aeromagnetic mapping deep-weathered fracture zones Oslo Region planning of tunnels
2009/12/2
A new method referred to as the Amager Method (AeroMAgnetic and GEomorphological Relations) has been developed to map the occurrence of deep clay alteration in the bedrock of the Oslo Region. Rock ins...
The Lofoten-Vesterålen continental margin:a multiphase Mesozoic-Palaeogene rifted shelf as shown by offshore-onshore brittle fault-fracture analysis
Lofoten-Vesterå len continental margin multiphase Mesozoic-Palaeogene rifted shelf fault-fracture analysis
2009/12/2
Regional offshore-onshore research using 2D seismic data, gravity and magnetic data, satellite images, 3D terrain image models and detailed onshore structural analysis, reveals that the Lofoten archip...