Results 11 to 20 of about 64,006 (165)

Reactivation of minor faults in a blind active fault area: A case study of the aftershock area of the 2000 Western Tottori Earthquake, Japan

open access: yesJournal of Asian Earth Sciences: X, 2021
The 2000 Western Tottori Earthquake (Mw 6.6, Mjma 7.3) in Japan occurred in an area where no active faults are known to exist. We examined the distribution, occurrence, paleostress field, and K–Ar ages of minor faults in the aftershock region of this ...
Hideto Uchida   +4 more
doaj   +1 more source

Research and Implementation of Three-Dimensional Spatial Information Characterization and Visualization of Fractures in Deteriorated Sandstone

open access: yesBuildings, 2023
Primary fractures significantly impacted the stability of surrounding rock in underground projects. Therefore, it is vital to find a solution for the problem of performing a non-destructive detection of rocks and extracting the internal three-dimensional
Xin Zhang   +5 more
doaj   +1 more source

Research on on-line assembly and calibration system based on laser scanning and optical fiber sensor

open access: yesFrontiers in Physics, 2023
In order to improve the degree of assembly automation, an online assembly calibration system is designed based on laser scanning and optical fiber sensors.
Weijie Ding   +5 more
doaj   +1 more source

Isochromatic-Art: A Computational Dataset for Digital Photoelasticity Studies

open access: yesData, 2022
The importance of evaluating the stress field of loaded structures lies in the need for identifying the forces which make them fail, redesigning their geometry to increase the mechanical resistance, or characterizing unstressed regions to remove material.
Juan-Carlos Briñez-De-Leon   +2 more
doaj   +1 more source

Sizing of Defect Using Magnetic Memory Signal Based on the Reconstruction Algorithm

open access: yesIEEE Access, 2018
A metal magnetic memory (MMM) testing technique is an extensively used qualitative method for locating the position of possible damages in ferromagnetic metal structures.
Hongmei Li   +4 more
doaj   +1 more source

Optoacoustic inversion via convolution kernel reconstruction in the paraxial approximation and beyond

open access: yesPhotoacoustics, 2019
In this article we address the numeric inversion of optoacoustic signals to initial stress profiles. Therefore we study a Volterra integral equation of the second kind that describes the shape transformation of propagating stress waves in the paraxial ...
O. Melchert, M. Wollweber, B. Roth
doaj   +1 more source

Stress-strain state of the Heraklei volcano-tectonic block of the Mountainous Crimea

open access: yesГеофизический журнал, 2011
This paper presents the paleostress results obtained for Heracleyskaya anticlinal (Western Crimea). On the basis of field tectonophysical study of brittle planes and 3D relief map deciphering the scheme of faults is made.
A.V. Murovskaya
doaj   +1 more source

Reconstruction of shear modulus and viscosity of biological tissues from displacement measurement

open access: yesMeasurement: Sensors, 2021
We present a novel reconstruction method for magnetic resonance elastography, in which the shear modulus and viscosity of biological tissues are estimated from the externally oscillated displacement field obtained using magnetic resonance imaging.
Motofumi Fushimi, Takaaki Nara
doaj   +1 more source

The Use of Tractography-Based Targeting in Deep Brain Stimulation for Psychiatric Indications

open access: yesFrontiers in Human Neuroscience, 2020
Deep Brain Stimulation (DBS) has been investigated as a treatment option for patients with refractory psychiatric illness. Over the past two decades, neuroimaging developments have helped to advance the field, particularly the use of diffusion tensor ...
Benjamin Davidson   +17 more
doaj   +1 more source

Image-Based Stress Field Reconstruction in Complex Media [PDF]

open access: yes
In many instances in life, materials are subject to deformation at high rates, for example: impact, crash, metal forming or pulsed welding. In this context, the transient and inhomogeneous nature of such loading as well as the strong multi-physic couplings induced by quasi-adiabatic conditions make: the experimental capture of the mechanical response ...
Seghir, R., Pierron, F., Fletcher, L
openaire   +1 more source

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