نتایج جستجو برای: tetrahedral
تعداد نتایج: 5325 فیلتر نتایج به سال:
Abstract We present a high speed adaptive tetrahedral mesh refinement method based on the Recursive Multi-Tree algorithm. To our knowledge, this is the first refinement algorithm that is able to improve the quality of the original mesh. In this paper, the method has been applied to discretize the Brillouin zone of silicon for full band Monte Carlo device simulation. Densities of states for seve...
A tetrahedral gradient diffusion sequence for body imaging for a 1.5T scanner was implemented, and we compared the quality of images acquired with the new technique and with the conventional orthogonal technique. Image quality was better using the tetrahedral technique in terms of signal homogeneity in the right liver lobe and signal loss artifact in the left lobe, and the technique was conside...
This paper presents a new computational method for anisotropic tetrahedral meshing that (1) can control shapes of the elements by an arbitrary anisotropy function, and (2) can avoid ill-shaped elements induced from poorly distributed node locations. Our method creates a tetrahedral mesh in two steps. First our method obtains node locations through a physically based particle simulation, which w...
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