Pseudo Voronoi Tessellation via Anisotropic Meshing Our tessellation technique to represent organic texture consists of three steps: (1) elliptic or rectangular particle packing; (2) anisotropic meshing by connecting the centers of the particles; and (3) Voronoi tessellation as a dual of the anisotropic mesh. Given preferred cell sizes and directionality within a geometric domain, the technique...

Dense depth maps can be estimated in a Bayesian sense from multiple calibrated still images of a rigid scene relative to a reference view [1]. This well-established probabilistic framework is extended by adaptively refining a triangular meshing procedure and by automatic cross-validation of model parameters. The adaptive refinement strategy locally adjusts the triangular meshing according to th...

Article history: Received 2 August 2017 Received in revised form 29 October 2017 Accepted 13 November 2017 Available online 21 November 2017 Many important engineering applications involve the interaction of free-moving objects with dispersed multiphase flows, however due to the challenge and complexity ofmodelling these systems,modelling approaches remain very limited and very few studies have...

Sharp wave treatment for 1-D gas dynamic problem is still a chellenge modern numerical methods. They often require too many space and time steps, produce spurious oscillation of solution, exhibit strong dissipation or divergence results. This paper further extension authors’ idea employment the analytical solution coordinate, where step parameter which used in solution. Its peculiarity consists...

This paper introduces Lp-Centroidal Voronoi Tessellation (LpCVT), a generalization of CVT that minimizes a higher-order moment of the coordinates on the Voronoi cells. This generalization allows for aligning the axes of the Voronoi cells with a predefined background tensor field (anisotropy). Lp-CVT is computed by a quasi-Newton optimization framework, based on closed-form derivations of the ob...

This paper proposes a practical, topologically robust and ranging error resistive shape modelling procedure that approximates a real object, with the matrix-format data structure, for 3D shape processing. Virtual manipulations, such as local shape modification and transcription are demonstrated. A geometric model with the desired meshing is directly reconstructed based on a solid modelling appr...

The paper addresses the problem of the 3D meshing of the complex free form Boundary Representation geometry with multiple domains. It introduces a generic graph based method of the CAD model analyses with optimal boundary recovery. A three stage approach is used: firstly, an underlying geometry is repaired to provide a conformal model without gaps and overlaps. Secondly, the model is analyzed a...

Abstract In this article an attempt has been made to design the meshing structure of Alq3/Alq3:NTCDA/NPB layers based OLED and determine optical characteristics such as PL (photo luminescence), emission rate, normal spectral density. The studies all these parameters suggest that heterostructure system is useful for high intense radiations in visible region (wavelength ~500 nm).

In order to accurately explore the transmission rattling phenomenon and influence of different factors on dynamic characteristics gear dual-clutch under condition preselected gears, this paper establishes dynamics model with 1st without preselection 4th gear, respectively; The takes into account such as time-varying mesh stiffness, damping, nonlinear oil film force, backlash, drag torque genera...

Parallel mesh generation is a relatively new research area between the boundaries of two scientific computing disciplines: computational geometry and parallel computing. In this chapter we present a survey of parallel unstructured mesh generation methods. Parallel mesh generation methods decompose the original mesh generation problem into smaller subproblems which are meshed in parallel. We org...