نتایج جستجو برای: displacement field

تعداد نتایج: 835388  

Journal: :فیزیک زمین و فضا 0
ساناز واجدیان دانشجوی دکتری گرایش سنجش از دور، گروه مهندسی نقشه برداری و مقابله با سوانح طبیعی، پردیس دانشکده های فنی، دانشگاه تهران، ایران محمدرضا سراجیان دانشیار، گروه مهندسی نقشه برداری و مقابله با سوانح طبیعی، پردیس دانشکده های فنی، دانشگاه تهران، ایران بابک منصوری استادیار، پژوهشگاه بین المللی زلزله شناسی و مهندسی زلزله، تهران، ایران

investigation and monitoring of the displacement field derived from deformation is among the important studies in earth science and geophysics topics, which plays a main role in the prevention and praxeology of natural disasters such as earthquake, subsidence, land slide et cetera. here we can mention the several methods in geodetic measurement and deformation monitoring such as spirit leveling...

A main challenge for performance-based seismic engineering is to develop simple, practical and precise methods for analyzing designed buildings and assessing existing structures to satisfy considerable performance objectives. Pushover analysis is a simplified nonlinear analysis technique that can be implemented for estimating the dynamic demands imposed on a structure under earthquake excitatio...

Ebrahim Shahmirzadi, Hiroya Ishida Testsuya Sumi

This study deals with the transport behavior of the coarse-sediment at Masudagawa flood mitigation dam (FMD), Japan. Radio frequency identification system (RFID) was used to trace the displacement of the IC tagged particles following major flood events since June 2011. Through this, the relationship between recovery rate of the tagged particles and distribution of shear stress over the FMD bed ...

Journal: :Magnetic resonance in medicine 2009
Bradley J Roth Peter J Basser

Allen Song and coworkers recently proposed a method for MRI detection of biocurrents in nerves called "Lorentz effect imaging." When exposed to a magnetic field, neural currents are subjected to a Lorentz force that moves the nerve. If the displacement is large enough, an artifact is predicted in the MR signal. In this work, the displacement of a nerve of radius a in a surrounding tissue of rad...

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