نتایج جستجو برای: backbone anisotropy

تعداد نتایج: 55817  

Anisotropy of sand is mainly due to the geometrical arrangement of particles that depends on the orientation of applied load respect to the bedding plane. It is geologically due to micro-fabric created by the arrangement of the particles configured during deposition. Most of the models develop using stress/strain invariants are not capable of identifying this kind of anisotropy. This is mainly ...

Journal: :iranian journal of medical physics 0
gholamreza raisali associate professor, radiation application research school, nuclear science and technology research institute, atomic energy organization of iran, tehran, iran mahdi sadeghi assistant professor, agricultural, medical and industrial research school, nuclear science and technology research institute, atomic energy organization of iran, karaj, iran vahideh ataeinia m. sc. in medical applications of radiation, nuclear engineering dept, faculty of engineering, science and research unit, islamic azad university, tehran, iran arjang shahvar b. sc. in physics, agricultural, medical and industrial research school, nuclear science and technology research institute, atomic energy organization of iran, karaj, iran maryam ghasemi ghonchehnazi m. sc. in medical physics, medical physics dept., faculty of medical sciences, isfahan university of medical sciences, isfahan, iran

introduction: the use of low energy isotopes such as  103 pd in brachytherapy for the treatment of cancers  such as prostate, eye, head, neck, breast and cervix is increasing. in this regard, different models of pd- 103  seeds  have  been  designed  and  manufactured  at  the  agricultural,  medical  and  industrial  research  school (amirs) of atomic energy organization of iran. in this resear...

M. Loh-mousavi, M.R. Dorri S. Saberi

This article describes a numerical study on the TOX-clinching process of the steel sheets. In addition, the influence of plastic anisotropy of the material on joining parameters is analyzed by evolution of the joint parameters such as undercut and neck thickness and punch force-displacement curve. Finite element analysis with ABAQUS/CAE-Explicit program is used to simulate two dimensional and t...

زهره دادی‌گیو, , فاطمه ابراهیمی, , محمود خاک‌سفیدی, ,

  We have performed extensive numerical simulations to estimate the fractal dimension of the mass and also the anisotropy in the shape of sample spanning cluster (SSC) in 2-D site invasion percolation processes with and without trapping. In agreement with the most recent works, we have observed that these two different processes belong to two different universality classes. Furthermore, we have...

Journal: :The Geographical Journal 1918

1955
A. Gordon Heron

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