Results 111 to 120 of about 32,235 (223)

An analysis of landslides in Great Britain using soil texture, rainfall and topography reveals contrasting failure conditions between organic and mineral soils

open access: yesEarth Surface Processes and Landforms, Volume 51, Issue 4, April 2026.
Mineral and organic landslides from the BGS landslide database were each clustered into three distinct groups using landslide‐slope angle, rainfall on the day of the landslide, cumulative rainfall and soil texture. Differences between organic and mineral landslides as well as between landslide clusters were interpreted from a mechanistic viewpoint ...
Jane Elliott   +2 more
wiley   +1 more source

Effect of intermediate principal stress and minimum principal stress unloading stress path and rate on energy evolution of sandstone under true triaxial compression

open access: yesMeitan xuebao
In the process of deep coal mining, the unloading stress path and unloading rate of deep rock are complicated and changeable due to the influence of excavation and unloading.
Zhixi LIU   +3 more
doaj   +1 more source

State-dependent fractional plasticity model for the true triaxial behaviour of granular soil

open access: yesArchives of Mechanics, 2019
The fractional plasticity was proposed to model the stress-strain behaviour of granular soils, but only within the scope of classical triaxial loading condition.
Y. Sun, W. Sumelka
doaj   +1 more source

Kinematics of hypervelocity stars in the triaxial halo of the Milky Way

open access: yes, 2007
Hypervelocity stars (HVSs) ejected by the massive black hole at the Galactic center have unique kinematic properties compared to other halo stars.
Madau, Piero, Yu, Qingjuan
core   +2 more sources

Deep learning of wrist accelerometry from UK Biobank data identifies early movement signatures of knee osteoarthritis up to 5 years before diagnosis

open access: yesKnee Surgery, Sports Traumatology, Arthroscopy, Volume 34, Issue 4, Page 1524-1533, April 2026.
Abstract Purpose This study aims to test whether week‐long wrist accelerometry combined with deep learning can (i) distinguish healthy individuals from people with knee osteoarthritis (KOA), (ii) separate prodromal KOA from established KOA, and (iii) identify individuals who will receive a KOA diagnosis within 5 years.
Ricardo Smits Serena   +6 more
wiley   +1 more source

Determining Magnetic Field Intensity and Direction From the Anisotropy of Magnetic Remanence in Sediments

open access: yesGeochemistry, Geophysics, Geosystems, Volume 27, Issue 4, April 2026.
Abstract Anisotropy of magnetic remanence (AMR) holds promise for quantifying relative paleointensity values from sedimentary rocks. A proof of concept was established for applied fields that exceeded the intensity of the geomagnetic field. Under Earth‐like fields, large uncertainties necessitate the development of a new approach to improve the ...
Felix K. Ostermeier   +5 more
wiley   +1 more source

Effects of Oscillating Pore Pressure of Fluid Injection on Fault Slip Described by Rate and State Friction

open access: yesJournal of Geophysical Research: Solid Earth, Volume 131, Issue 4, April 2026.
Abstract Injection of pore fluid can substantially affect fault slip, often resulting in seismic activity. We simulate the axisymmetric compression experiments of Noël, Passelégue, et al. (2019), https://doi.org/10.1029/2019jb018517 on a saw‐cut specimen of Fontainebleau sandstone subjected to periodic oscillations of fluid pore pressure.
Micaela Mercuri, John W. Rudnicki
wiley   +1 more source

Resonant Orbits in Triaxial Galaxies

open access: yes, 1999
Box orbits in triaxial potentials are generically thin, that is, they lie close in phase space to a resonant orbit satisfying a relation of the form l\omega_1 +m\omega_2+n\omega_3=0 between the three fundamental frequencies.
Contopoulos G.   +12 more
core   +2 more sources

Testing the Accuracy of Paleointensity Estimates Using Experimental Pottery Assemblages

open access: yesJournal of Geophysical Research: Solid Earth, Volume 131, Issue 4, April 2026.
Abstract Paleointensity estimates from archaeological pottery represent a key source of information on Holocene variations in geomagnetic field intensity. Yet, pottery rarely exhibits ideal single‐domain behavior that fully satisfies the theoretical assumptions underlying absolute paleointensity methods.
Lior Bar‐Sovik   +5 more
wiley   +1 more source

Orbital Instabilities in a Triaxial Cusp Potential

open access: yes, 2007
This paper constructs an analytic form for a triaxial potential that describes the dynamics of a wide variety of astrophysical systems, including the inner portions of dark matter halos, the central regions of galactic bulges, and young embedded star ...
Anthony M. Bloch   +14 more
core   +1 more source

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