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Dislocations, as topological defects in crystal lattices, are fundamental to understanding plasticity in materials. Similar periodic structures also arise in continuum field theories, such as chiral soliton lattices (CSLs), which appear in…

高能物理 - 理论 · 物理学 2025-06-23 Minoru Eto , Kentaro Nishimura , Muneto Nitta

The leeway of 20-foot containers in typical distress conditions is established through field experiments in a Norwegian fjord and in open-ocean conditions off the coast of France with wind speed ranging from calm to 14 m/s. The experimental…

大气与海洋物理 · 物理学 2013-04-16 Øyvind Breivik , Arthur A. Allen , Christophe Maisondieu , Jens-Christian Roth , Bertrand Forest

This paper investigates the polytropic matter shell collapse in the non-commutative Reissner-Nordstr$\ddot{o}$m geometry. Using the Israel criteria, equation of motion for the polytropic matter shell is derived. In order to explore the…

广义相对论与量子宇宙学 · 物理学 2015-06-04 M. Sharif , G. Abbas

The Convective Overstability (COS) is a hydrodynamic instability occurring in protoplanetary disk (PPD) regions with an adverse radial entropy gradient. It is a potential driver of turbulence and may influence planetesimal formation. In…

地球与行星天体物理 · 物理学 2025-03-05 Marius Lehmann , Min-Kai Lin

In recent years, water needs increased, driven by climate change and world population growth. In this context, we study groundwater flow in the vadose zone of Beauce aquifer (O-ZNS site, France). This lacustrine limestone vadose zone is…

地球物理 · 物理学 2024-06-25 Abdoul Nasser Yacouba , C. Mallet , J. Deparis , S. Gaboreau , P. Leroy , D. Jougnot , M. Azaroual

In the framework of research into radioactive waste disposal, it was decided to investigate the thermally induce pore pressure occurring in the Callovo-Oxfordian claystone, a possible host rock in which the ANDRA underground laboratory of…

A particular focus of water-quality monitoring is the concentrations of sediments and nutrients in rivers, constituents that can smother biota and cause eutrophication. However, the physical and economic constraints of manual sampling…

The Jeans stability criterium for gravitational collapse is examined for the case of an inert binary mixture in local equilibrium, neglectinq dissipative effects. The corresponding transport equations are established using kinetic theory…

统计力学 · 物理学 2021-10-18 A. Sandoval-Villalbazo , A. R. Sagaceta-Mejia

Fractures are ubiquitous in the subsurface. The flow and mechanical properties of these fractures are controlled by its compliance or stiffness. Characterizing fracture compliance and conductivity is crucial in applications such as fault…

地球物理 · 物理学 2019-05-13 HanYi Wang , Mukul M. Sharma

Conditions for the onset of nonpenetrative convection in a horizontal Boussinesq fluid layer subject to a step change in temperature are studied using propagation theory. A wide range of Prandtl numbers and two different kinematic boundary…

流体动力学 · 物理学 2025-01-08 C F Ihle , Y Niño

Thermoelectric materials are of great interest for heat energy harvesting applications. One such promising material is TlGaSe$_{2}$, a p-type semiconducting ternary chalcogenide. Recent reports show it can be processed as a thin film,…

Distributed models to forecast the spatial and temporal occurrence of rainfall-induced shallow landslides are based on deterministic laws. These models extend spatially the static stability models adopted in geotechnical engineering, and…

地球物理 · 物理学 2014-03-17 S. Raia , M. Alvioli , M. Rossi , R. L. Baum , J. W. Godt , F. Guzzetti

Roof falls due to geological conditions are major safety hazards in mining and tunneling industries, causing lost work times, injuries, and fatalities. Several large-opening limestone mines in the Eastern and Midwestern United States have…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Ergin Isleyen , Sebnem Duzgun , McKell R. Carter

Structural failure of concrete buildings on fire and complete destruction of the monolithic refractory lining during their drying stage are dangerous examples of the effect of explosive spalling on partially saturated porous media. Several…

材料科学 · 物理学 2022-03-17 M. H. Moreiraa , S. Dal Pont , A. Tengattinib , A. P. Luz , V. C. Pandolfelli

Two laboratory scale experiments of dry and under-water avalanches of non-cohesive granular materials are investigated. We trigger solitary waves and study the conditions under which the front is transversally stable. We show the existence…

软凝聚态物质 · 物理学 2009-11-11 F. Malloggi , J. Lanuza , B. Andreotti , E. Clément

The paper discusses a collapse of a self-interacting electrically charged scalar field in the decoupling limit of the dilatonic Gauss-Bonnet gravity. The emerging spacetimes were either non-singular or singular and containing black holes of…

广义相对论与量子宇宙学 · 物理学 2022-10-18 Anna Nakonieczna , Łukasz Nakonieczny

We examine conditions for finite-time collapse of the solutions of the higher-order nonlinear Schr\"odinger (NLS) equation incorporating third-order dispersion, self-steepening, linear and nonlinear gain and loss, and Raman scattering; this…

斑图形成与孤子 · 物理学 2015-11-11 V. Achilleos , S. Diamantidis , D. J. Frantzeskakis , T. P. Horikis , N. I. Karachalios , P. G. Kevrekidis

As modern hydrodynamic codes increase in sophistication, the availability of realistic test problems becomes increasingly important. In gas dynamics, one common unrealistic aspect of most test problems is the ideal gas assumption, which is…

偏微分方程分析 · 数学 2019-10-01 Zachary M. Boyd , Emma M. Schmidt , Scott D. Ramsey , Roy S. Baty

Two major problems, still associated with the SN1987A, are: a) the signals observed with the gravitational waves detectors, b) the duration of the collapse. Indeed, a) the sensitivity of the gravitational wave detectors seems to be small…

综合物理 · 物理学 2016-09-06 P. Galeotti , G. Pizzella

The linear stability of granular gas that reflects the contribution of self-gravitational force of mass density perturbations is investigated in order to clarify the condition of competition between clustering instability and Jeans…

统计力学 · 物理学 2019-03-06 Tomohiro Tanogami