Results 11 to 20 of about 359,894 (264)

Hydrothermal Reservoir and Electrical Anisotropy Investigated by Magnetotelluric Data, Case Study of Asal Rift, Republic of Djibouti

open access: yesApplied Sciences, 2023
At the center of the Republic of Djibouti, an eroded rift called Asal is located where tectonic and magmatic activities can be observed at the surface. Multiple studies were carried out with different exploration methods, such as structural, geophysical ...
Abdek Hassan Aden
doaj   +1 more source

Characteristics of selected measures of stress triaxiality near the crack tip for 145Cr6 steel - 3D issues for stationary cracks

open access: yesOpen Engineering, 2020
In the paper the numerical analysis of the stress fields for 145Cr6 steel, near crack tip is presented, based on three-dimensional finite element method (FEM) analysis. The FEM analysis is focused on SEN(B) specimens with relative crack length a/W ≈ 0.30.
Graba Marcin
doaj   +1 more source

Stress Intensity Factor calculation from displacement fields [PDF]

open access: yesFracture and Structural Integrity, 2017
In the last two decades, visual image techniques such as Digital Image Correlation (DIC) enabled to experimentally determine the crack tip displacement and strain fields at small scales. The displacements are tracked during loading, and parameters as the
S. Beretta, L. Patriarca, S. Rabbolini
doaj   +3 more sources

TECTONOPHYSICAL RESEARCH AT INSTITUTE OF THE EARTH’S CRUST SB RAS: MAJOR ACHIEVEMENTS AND ACTUAL PROBLEMS

open access: yesГеодинамика и тектонофизика, 2015
The article presents major results which have been obtained during 30 years of researches conducted by the Laboratory of Tectonophysics at the Institute of the Earth’s Crust.General regularities in organization of fault-block structures in the brittle ...
Semen I. Sherman   +1 more
doaj   +1 more source

Application of J2 Integral Method in Calculating Complicated Stress Intensity Factors on Three-dimensional Components [PDF]

open access: yesE3S Web of Conferences, 2021
In this paper, a technique to determine complicated stress intensity factors on three-dimensional components, which based on the conservation law and the elementary mechanics is proposed, it only needs the geometric relationship between multiple singular
Li Long.   +4 more
doaj   +1 more source

Tectonic inversion of the Dnieper-Donets depression and the Donbas (models and reconstructions)

open access: yesГеофизический журнал, 2019
For the southeastern part of the DDD and the Donbas prolongation of basin modeling to the area of late post-rift and following inverse co-folding movements has been methodically justified.   Predictive analysis with recovered volume of eroded sediments
V. V. Gonchar
doaj   +1 more source

Kinematic evolution of the Pieniny Klippen Belt in Cenozoic (Ukrainian Carpathians)

open access: yesГеофизический журнал, 2016
The data on surface, subsurface and deep structure of the Pieniny Klippen Belt (PKB) have been summarized and new results of its geological-structural and fault kinematic studies within the Ukrainian part of the Eastern Carpathians have been presented ...
A. V. Murovskaya   +5 more
doaj   +1 more source

Ferromagnetism of concrete

open access: yesCase Studies in Construction Materials, 2023
Studying the intrinsic properties of concrete is essential for addressing various aspects of concrete structure design, material selection, and sustainability. In this study, a suspended strong magnetic torsion balance device was designed and constructed
Benniu Zhang   +4 more
doaj   +1 more source

Evolution of stress fields during the supercontinent cycle

open access: yesGeodesy and Geodynamics, 2022
We investigate the evolution of stress fields during the supercontinent cycle using the 2D Cartesian geometry model of thermochemical convection with the non-Newtonian rheology in the presence of floating deformable continents.
Alexander Bobrov   +2 more
doaj   +1 more source

Tectonophysical conditions of late stages of evolution in the middle part of Transcarpathian deep fault

open access: yesГеофизический журнал, 2015
There is a problem of the mechanism of Neogene magmatism appearance in Transcarpathia within  tectonic evolution of the Carpathian-Pannonian region. In consideration of general submeridional compression the new kinematic and dynamic scheme of Neogene ...
V. Shevchuk, A. Vasilenko
doaj   +1 more source

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