نتایج جستجو برای: hybrid front capturing and tracking method

تعداد نتایج: 17113333  

2006
Panagiotis G. Papageorgas Spyros S. Athineos Nicholas P. Sgouros Nikiforos G. Theofanous

In this article novel approaches for capturing 3D scenes are presented based on the technique of Integral Photography. The novelty in our method includes the development of robust, low complexity and high accuracy capturing devices using a depth control lens for managing the reconstruction of the 3D scene in front or behind the surface of the display device. To this end, high-resolution CCD sen...

1995
HYUN-CHEOL HWANG

Non{strictly-hyperbolic and mixed-type conservation laws pose a challenge to computational methods. Speciically, the computation of transitional shock waves, which are dependent on the parabolic regularization of the conservation laws, is sensitive to the numerical viscosity. In this paper, we propose a front tracking algorithm that treats transitional shock waves correctly. The algorithm inclu...

Journal: :J. Sci. Comput. 2007
Jinjie Liu Hyun-Kyung Lim James Glimm Xiaolin Li

We propose a fully conservative Front Tracking algorithm for systems of nonlinear conservation laws. The algorithm can be applied uniformly in one, two, three and N dimensions. Implementation details for this algorithm and tests of fully conservative simulations are reported.

2005
Robert Nourgaliev Nam Dinh Theo Theofanous

This work is motivated by the need for a high-fidelity numerical treatment of compressible flows with multimaterial interfaces. Of particular interest are immiscible flows with high Acoustic Impedance Mismatch (AIM) interfaces, such as those between gases and liquids, under both weak and strong shock wave conditions. These types of flow are encountered in numerous generically-important processe...

1997
Shengtai Li Linda Petzold

tion, which is often called a reaction–convection–diffusion equation, is representative of many problems which are It is well known that moving mesh and upwinding schemes are two kinds of techniques for tracking the shock or steep wave front solved by moving mesh methods in one dimension. in the solution of PDEs. It is expected that their combination should Much work has been devoted to the con...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1390

in current study, 63 samples of bat populations collected from differ regions were used for evaluating the geographic variations. twenty cranial and dental characters for traditional morphometric and landmarks method on the ventral, dorsal skull and mandible for geometry morphometric studies were used. statistical analyses of traditional morphometric and geometry morphometric data indicated low...

2003
D. KOULOCHERIS H. VRAZOPOULOS

This paper introduces a deterministic method for capturing the Pareto front in multi-objective real parameter optimization problems. It is an effort to deal with multi-objective optimization problems that were until now confronted only by stochastic algorithms, specifically evolutionary algorithms. The method is based on a theoretical result that proves the equivalence of non-dominated points t...

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