نتایج جستجو برای: bipolar cylindrical coordinate

تعداد نتایج: 112855  

2009
C.-W. Qiu A. Novitsky

C.-W. Qiu, A. Novitsky, and M. Sojačić Research Laboratory of Electronics, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA. Department of Electrical and Computer Engineering, National University of Singapore, Kent Ridge, Singapore 119620, Republic of Singapore Department of Theoretical Physics, Belarusian State University, Nezavisimosti Avenue 4, 220050 ...

Journal: :iranian red crescent medical journal 0
mohammad reza eslami amirabadi behavioral sciences research center, shahid beheshti university of medical sciences, tehran, ir iran sepideh rajezi esfahani behavioral sciences research center, shahid beheshti university of medical sciences, tehran, ir iran rozita davari-ashtiani department of psychiatry, imam hossein hospital, shahid beheshti university of medical sciences, tehran, ir iran mojgan khademi department of psychiatry, imam hossein hospital, shahid beheshti university of medical sciences, tehran, ir iran babak emamalizadeh department of medical genetics, shahid beheshti university of medical sciences, tehran, iran abolfazl movafagh department of medical genetics, shahid beheshti university of medical sciences, tehran, iran

conclusions the obtained results confirm some previous studies regardinga gender specific association of maoa gene with the bipolar disorder. results significant associations were observed regarding maoa-ca (p = 0.016) and maoa-vntr (p = 0.004) polymorphisms in the bipolar females. there was no association between maoa-rflp and bipolar disorder. patients and methods this study is a case-control...

Journal: :Physical review 2021

We apply the exponential operator method to derive propagator for a fermion immersed within rigidly rotating environment with cylindrical geometry. Given that rotation axis provides preferred direction, Lorentz symmetry is lost and general solution not translationally invariant in radial coordinate. However, under approximation completely dragged by vortical motion, valid large angular velociti...

In this research study, we present a novel frame work for handling bipolar fuzzy soft information by combining bipolar fuzzy soft sets with graphs. We introduce several basic notions concerning bipolar fuzzy soft graphs and investigate some related properties. We also consider the application of the bipolar fuzzy soft graphs. In particular, three efficient algorithms are developed to solve mult...

2001
Miguel Alcubierre Steven Brandt Bernd Brügmann Daniel Holz Edward Seidel Ryoji Takahashi Jonathan Thornburg

We present a new technique for the numerical simulation of axisymmetric systems. This technique avoids the coordinate singularities which often arise when cylindrical or polar-spherical coordinate finite difference grids are used, particularly in simulating tensor partial differential equations like those of 3 + 1 numerical relativity. For a system axisymmetric about the z axis, the basic idea ...

2017
Yucong Chen Junli Zhao Qingqiong Deng Fuqing Duan

Craniofacial registration is used to establish the point-to-point correspondence in a unified coordinate system among human craniofacial models. It is the foundation of craniofacial reconstruction and other craniofacial statistical analysis research. In this paper, a non-rigid 3D craniofacial registration method using thin-plate spline transform and cylindrical surface projection is proposed. F...

2017
Nilanjan Mukherjee Jonathan E. Makem

Cylindrical surfaces of many irregularities populate aerospace and automotive engine components. Many of these surfaces represent power transmitting shafts and rotary mating parts that require structured meshes to expedite contact and other finite element analyses with their mates. This poses a challenge to surface and volume mesh generators. In this paper a novel method of multiblocking based ...

2015
Yi-Qiang Jiang Li Hou Yong Zhao

In order to derive the equation of the contact line of the involute curvilinear-tooth cylindrical gear pump for the agricultural tractor, the tooth surface of the involute curvilinear-tooth cylindrical gear is firstly generated as that of the spur or helical gear. Then the equation of the tooth surface is derived from changing the settings and orientations of the coordinate systems after the eq...

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