نتایج جستجو برای: cylindrical 2d
تعداد نتایج: 107695 فیلتر نتایج به سال:
After a short review of recent progresses in 2D Euler equations with random initial conditions and noise, some the results are improved by exploiting priori estimates on associated infinite dimensional FokkerâPlanck equation. The regularity class solutions investigated here does not allow energy- or enstrophy-type estimates, but only bounds probability respect to suitable distributions condit...
Several tools are used for the dosimetric verification of intensity-modulated arc therapy (IMAT) treatment delivery. However, limited information is available for composite on-line evaluation of these tools. The purpose of this study was to evaluate the dosimetric verification of IMAT treatment plans using a 2D diode array detector (2D array), radiochromic film (RCF) and radiosensitive polymer ...
Using 3-Dimensional (3D) sound sources as secondary sources to 2-Dimensional (2D) sound field reproduction, it is termed 2.5-Dimensional (2.5D) sound field reproduction which is currently drawing broad interest in acoustic signal processing. In this paper we propose a method to reproduce a 2D sound field, using a circular array of 3D High Order (HO) loudspeakers, which provides a mode matching ...
Van der Waals (vdW) interaction between two-dimensional crystals (2D) can trap substances in high pressurized (of order 1 GPa) on nanobubbles. Increasing the adhesion between the 2D crystals further enhances the pressure and can lead to a phase transition of the trapped material. We found that the shape of the nanobubble can depend critically on the properties of the trapped substance. In the a...
Abstract 2D porous polymers have received great attention in many fields. Particularly, are considered as potential electrode materials for supercapacitors. However, the controllable synthesis of is not only faced with difficulty precisely controlling reaction dynamics but also challenged by complex pore structure fabrication. In this paper, a swelling‐induced structural transformation strategy...
according to recent achievements in nano technology we can see its effects in different engineering fields. in nano manufacture process the first essential step is modeling coordinately in order to make it available different software are developing for this propose. in this paper nano modeling for two papers is developed first understanding structure in nano and micro size and second simulati...
The optical bistability in a composite, composed of nonlinear metallic particles (spherical or cylindrical) with interfacial layers randomly embedded in a linear dielectric host, is investigated theoretically. It is shown that both interfacial property and the size of metallic particles can dramatically a!ect the optical bistable behavior, and the threshold value is more less in three dimension...
In this paper, we present a novel cylindrical deployable structure and variations of its design with the following characteristics: 1. Flat-foldable: The shape flattens into a compact 2D configuration. 2. Rigid-foldable: Each element does not deform throughout the transformation. 3. One-DOF: The mechanism has exactly one degree of freedom. 4. Thick: Facets can be substituted with thick or multi...
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