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相关论文: Topological Complexity of Frictional Interfaces: F…

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We have developed different network approaches to analyze complex patterns of frictional interfaces (contact area developments). Network theory is a fundamental tool for the modern understanding of complex systems in which, by a simple…

综合物理 · 物理学 2012-01-04 H. O. Ghaffari , R. P. Young

The complex configurations of dynamic friction patterns-regarding real time contact areas- are transformed into appropriate networks. With this transformation of a system to network space, many properties can be inferred about the structure…

地球物理 · 物理学 2014-01-03 H. O. Ghaffari , R. P. Young

We have developed different network approaches to complex patterns of frictional interfaces (contact areas developments). Here, we analyze the dynamics of static friction. We found, under the correlation measure, the fraction of triangles…

地球物理 · 物理学 2012-02-24 H. O. Ghaffari , R. P. Young

The shear strength and stick-slip behavior of a rough rock joint are analyzed using the complex network approach. We develop a network approach on correlation patterns of void spaces of an evolvable rough fracture (crack type II).…

地球物理 · 物理学 2012-09-21 Hamed O. Ghaffari , M. Sharifzadeh , E. Evgin

A model based on self-organizing nature of the surfaces is represented to capture the evolution of friction networks. Also, the curvatures of displacement fields are determined and critical curvature profiles are connected through links to…

地球物理 · 物理学 2012-12-12 H. O. Ghaffari

Through this research, embedded synthetic fracture networks in rock masses are studied. To analysis the fluid flow complexity in fracture networks with respect to the variation of connectivity patterns, two different approaches are…

计算工程、金融与科学 · 计算机科学 2012-02-23 H. O. Ghaffari , M. H. B. Nasseri , R. P. Young

We report some new applications of functional complex networks on acoustic emission waveforms from frictional interfaces. Our results show that laboratory faults undergo a sequence of generic phases as well as strengthening, weakening or…

地球物理 · 物理学 2014-07-29 H. O. Ghaffari , B. D. Thompson , R. P. Young

We show that the mesoscopic and transport characteristics of networks follow the same trends for the same type of the shear ruptures in terms of rupture speed while also comparing the results of three different friction experiments.The…

地球物理 · 物理学 2014-01-03 H. O. Ghaffari , R. P. Young

We performed a set of numerical simulations to characterize the interplay of fracture network topology, upscaling, and mesh refinement on flow and transport properties in fractured porous media. We generated a set of generic…

计算工程、金融与科学 · 计算机科学 2023-02-23 Aleksandra A. Pachalieva , Matthew R. Sweeney , Hari Viswanathan , Emily Stein , Rosie Leone , Jeffrey D. Hyman

The onset of frictional motion at the interface between two distinct bodies in contact is characterized by the propagation of dynamic rupture fronts. We combine friction experiments and numerical simulations to study the properties of these…

地球物理 · 物理学 2020-02-03 Ilya Svetlizky , Gabriele Albertini , Gil Cohen , David S. Kammer , Jay Fineberg

The strength and stability of frictional interfaces, ranging from tribological systems to earthquake faults, are intimately related to the underlying spatially-extended dynamics. Here we provide a comprehensive theoretical account, both…

材料科学 · 物理学 2013-12-17 Yohai Bar-Sinai , Robert Spatschek , Efim A. Brener , Eran Bouchbinder

We model flow and transport in three-dimensional fracture networks with varying degrees of fracture-to-fracture aperture/permeability heterogeneity and network density to show how changes in these properties can cause the emergence of…

The correlations among elements that break in random fuse network fracture are studied, for disorder strong enough to allow for volume damage before final failure. The growth of microfractures is found to be uncorrelated above a…

统计力学 · 物理学 2009-11-10 F. Reurings , M. J. Alava

Complexity of fluid flow in a rough fracture is induced by the complex configurations of opening areas between the fracture planes. In this study, we model fluid flow in an evolvable real rock joint structure, which under certain normal…

流体动力学 · 物理学 2011-03-08 H. Ghaffari , A. Nabovati , M. Sharifzadeh , R. P. Young

In the paper, we study fluctuations over several ensembles of maximum-entropy random networks. We derive several fluctuation-dissipation relations characterizing susceptibilities of different networks to changes in external fields. In the…

无序系统与神经网络 · 物理学 2009-11-11 Agata Fronczak , Piotr Fronczak , Janusz A. Holyst

The importance of studying properties of networks is manifest in diverse fields ranging from biology, engineering, physics, chemistry, neuroscience, and medicine. The functionality of networks with regard to performance, throughput,…

A complex network approach on a rough fracture is developed. In this manner, some hidden metric spaces (similarity measurements) between apertures profiles are set up and a general evolutionary network in two directions (in parallel and…

适应与自组织系统 · 物理学 2009-05-12 H. O. Ghaffari , M. Sharifzadeh , M. Fall , E. Evgin

The fractal nature of complex networks has received a great deal of research interest in the last two decades. Similarly to geometric fractals, the fractality of networks can also be defined with the so-called box-covering method. A network…

物理与社会 · 物理学 2023-04-25 Enikő Zakar-Polyák , Marcell Nagy , Roland Molontay

Many studies have shown that we can gain additional information on time series by investigating their accompanying complex networks. In this work, we investigate the fundamental topological and fractal properties of recurrence networks…

统计力学 · 物理学 2015-06-19 Jin-Long Liu , Zu-Guo Yu , Vo Anh

In this study, we develop a complex network approach on a rough fracture, where evolution of elementary aperture during translational shear is characterized. In this manner, based on some hidden metric spaces (similarity measurements)…

地球物理 · 物理学 2014-07-29 Hamed Owladeghaffari , Mostafa Sharifzadeh
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