نتایج جستجو برای: deformation mechanism

تعداد نتایج: 632068  

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A 1992

2014
Zhijun Xie Guangyan Huang Roozbeh Zarei Jing He Yanchun Zhang Hongwu Ye

Deformation is the direct cause of heritage object collapse. It is significant to monitor and signal the early warnings of the deformation of heritage objects. However, traditional heritage object monitoring methods only roughly monitor a simple-shaped heritage object as a whole, but cannot monitor complicated heritage objects, which may have a large number of surfaces inside and outside. Wirel...

2012
H. Wang Z. Hu W. Lu M. D. Thouless

A deformation-mechanism map has been developed for unirradiated zircaloy-4 based on the creep data available from the literature of the last thirty-five years. These data have been analyzed to identify different creep mechanisms, based on the forms of the relationships between stress, temperature and strain rate. This identification allowed the activation energies and other associated creep par...

Journal: :فیزیک زمین و فضا 0
بیژن شورچه دانشجوی دکترای ژئودزی، گروه مهندسی نقشه برداری، پردیس دانشکده های فنی، دانشگاه تهران، ایران مهدی معتق استادیار، گروه مهندسی نقشه برداری، قطب علمی مهندسی نقشه برداری و مقابله با سوانح طبیعی، پردیس دانشکده های فنی، دانشگاه تهران، ایران محمدعلی شریفی استادیار، گروه مهندسی نقشه برداری، قطب علمی مهندسی نقشه برداری و مقابله با سوانح طبیعی، پردیس دانشکده های فنی، دانشگاه تهران، ایران

many earthquakes occur in iran every year and some of these earthquakes cause loss of life and property. consequently earthquake is one of challenging topics not only in iran but also in other active tectonic regions in the world. investigating the mechanism of earthquake as a natural disaster is the first and important step. to study earthquakes, different information such as geometry and beha...

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