نتایج جستجو برای: bipolar cylindrical coordinate

تعداد نتایج: 112855  

Journal: :Journal of physics 2022

Abstract The task of determining the dynamic response plates and shells to moving loads is very relevant. purpose this work study stationary deformation infinitely long cylindrical with viscoelastic filler when along axis shell a wave normal pressure up resonant velocity under influence loads. paper presents mathematical formulation problem, developed methods solution obtained numerical results...

2010
Noam Shemesh Evren Ozarslan Peter Basser Yoram Cohen

domly Oriented Cylindrical Compartments and in Spherical Yeast Cells Noam Shemesh 1, Evren Ozarslan 2, Peter Basser 2, Yoram Cohen 1 1 Tel Aviv University, 2 National Institute of Health Abstract Diffusion NMR is the most important methodology for non-invasively char­ acterizing pore morphology. Scenarios such as diffusion in spheres or in lo­ cally anisotropic but randomly oriented compartment...

Journal: :Journal of physics 2023

Abstract As one of the important functional components in optical diagnosis system, processing accuracy monocrystalline silicon cylindrical mirror directly affects overall performance entire experimental device. In order to obtain high-precision elements, coordinate transfer function models diamond wheel surface parallel grinding process were established, and forming scheme was proposed based o...

ژورنال: فیزیک زمین و فضا 2018

Transforming geocentric Cartesian coordinates (X, Y, Z) to geodetic curvilinear coordinates (φ, λ, h) on a biaxial ellipsoid is one of the problems used in satellite positioning, coordinates conversion between reference systems, astronomy and geodetic calculations. For this purpose, various methods including Closed-form, Vector method and Fixed-point method have been developed. In this paper, a...

Journal: :Trends in cell biology 2006
Alex Mogilner Roy Wollman Gul Civelekoglu-Scholey Jonathan Scholey

The mitotic spindle is a fascinating protein machine that uses bipolar arrays of dynamic microtubules and many mitotic motors to coordinate the accurate segregation of sister chromatids. Here we discuss recent mathematical models and computer simulations that, in concert with experimental studies, help explain the molecular mechanisms by which the spindle machinery performs its crucial function...

Journal: :Human brain mapping 2008
Anqi Qiu Marc Vaillant Patrick Barta J Tilak Ratnanather Michael I Miller

In neuroimaging studies, spatial normalization and multivariate testing are central problems in characterizing group variation of functions (e.g., cortical thickness, curvature, functional response) in an atlas coordinate system across clinical populations. We present a region-of-interest (ROI)-based analysis framework for detecting such a group variation. This framework includes two main techn...

Journal: :International journal of automotive science and technology 2022

A new form-grinding method of cylindrical involute gears for electrical vehicles (EVs) is proposed to obtain stable contact performance gear tooth surfaces and improve their reliability based on a predesigned controllable second-order transmission error function. The function assigned drive design specifications EVs. Mathematical models modified the pair can be obtained by Moreover, section pro...

Journal: :Physica Status Solidi (rrl) 2023

Magnetic Hopfions are localized magnetic solitons with a non-zero 3D topological charge (Hopf index). Here we present an analytical calculation of the Hopfion gyrovector and show that it does not vanish even in infinite sample. The method is based on concept emergent field. particular case simplest non-trivial toroidal Hopf index |QH|=1 cylindrical dot considered dependencies components sizes c...

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