نتایج جستجو برای: semi cylinder

تعداد نتایج: 162759  

Journal: :Journal of reproduction and fertility 1973
N Wakasugi

The fertility of DDK mice was investigated in reciprocal crosses between DDK and C57BL/6J strains of mice. When mated to C57BL males, DDK females were semi-sterile. By contrast, when C57BL females were mated to DDK males, they showed better fertility than in the intra-strain mating. Embryological study has revealed that the low fertility of DDK females is caused by embryonic death at the morula...

2009
D Ségur A L Shuvalov Y Pan B Audoin

Semi-analytical model for calculating acoustic response to a line-focused laser pulse in an optically absorptive isotropic cylinder is proposed and implemented. It is assumed that the laser input is absorbed over the volume and thus creates a radially distributed thermoelastic source. Closed-form solution is obtained in the Fourier domain. Two inverse Fourier transforms in frequency and circumf...

Journal: :journal of applied and computational mechanics 0
ali cheraghbak faculty of mechanical engineering, university of kashan, kashan, iran abbas loghman faculty of mechanical engineering, university of kashan, kashan, iran

magnetic field effects on the elastic response of polymeric piezoelectric cylinder reinforced with carbon nanotubes (cnts) is studied. the cylinder is subjected to internal pressure, a constant electric potential difference at the inner and outer surfaces, thermal and magnetic fields. the mori-tanaka model is used for obtaining the equivalent material properties of the cylinder. based on the ch...

2012
ENRIQUE OTÁROLA

Abstract. We consider the square root of the Laplace operator (−∆)1/2 in a bounded domain. The square root of the Laplacian can be realized as the Dirichlet to Neumann operator of an extension problem posed on a semi-infinite cylinder. This extension problem involves a mixed boundary value problem, which we analyze in the framework of Sobolev spaces. For numerical approximation we propose a sui...

2013
ALAIN MIRANVILLE RAMON QUINTANILLA R. QUINTANILLA

Our aim in this paper is to study generalizations of the Allen-Cahn equation based on a modification of the Ginzburg-Landau free energy proposed in [25]. In particular, the free energy contains an additional term called Willmore regularization. We prove the existence, uniqueness and regularity of solutions, as well as the existence of the global attractor. Furthermore, we study the convergence ...

2017
Ahmed Abass James S. Bell Martin T. Spang Sally Hayes Keith M. Meek Craig Boote

This article provides an overview of a new integrated software tool for reduction and analysis of small-angle X-ray scattering (SAXS) data from fibrous collagen tissues, with some wider applicability to other cylindrically symmetric scattering systems. SAXS4COLL combines interactive features for data pre-processing, bespoke background subtraction, semi-automated peak detection and calibration. ...

2012
Manoj K. Moharana

Heat conduction through eccentric systems with circular inner surface and regular polygonal outer surface has been analyzed. Constant wall temperature at the inner surface and convective heat transfer from the outer surface is considered. A two dimensional semi analytical method using boundary collocation technique is used in which collocation points are considered on the outer periphery of the...

2014
Kirk T. McDonald Joseph Henry

This problem was suggested by Bradley Klee. For the related case of one cylinder rolling inside another, see [1]. When one cylinder is directly above the other, we define the line of contact of the lower cylinder, 1, with the horizontal plane to be the z-axis, at x = y = 0. Then, the condition of rolling without slipping for the lower cylinder is that when it has rolled (positive) distance x1, ...

Journal: :Mechanical Systems and Signal Processing 2021

The numerical simulation of beams and plates with embedded acoustic black holes (ABHs) is computationally demanding because the very thin thickness attained at ABH central area. Semi-analytical approaches relying on Rayleigh-Ritz method wavelet or Gaussian basis functions have thus revealed as an accurate fast alternative to determine vibration field in parametric studies. To date however, vast...

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