Results 31 to 40 of about 694,034 (385)

Adaptive Semi-Structured Mesh Refinement Techniques for the Finite Element Method

open access: yesApplied Sciences, 2021
The adaptive mesh techniques applied to the Finite Element Method have continuously been an active research line. However, these techniques are usually applied to tetrahedra. Here, we use the triangular prismatic element as the discretization shape for a
Adrian Amor-Martin   +1 more
doaj   +1 more source

Thin discrete triangular meshes

open access: yesTheoretical Computer Science, 2000
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Barneva, Reneta P.   +2 more
openaire   +1 more source

ISpliter: an intelligent and automatic surface mesh generator using neural networks and splitting lines

open access: yesAdvances in Aerodynamics, 2023
In this paper, we present a novel surface mesh generation approach that splits B-rep geometry models into isotropic triangular meshes based on neural networks and splitting lines.
Zengsheng Liu   +6 more
doaj   +1 more source

Computing geodesics on triangular meshes [PDF]

open access: yesComputers & Graphics, 2005
We present a new algorithm to compute a geodesic path over a triangulated surface. Based on Sethian's Fast Marching Method and Polthier's straightest geodesics theory, we are able to generate an iterative process to obtain a good discrete geodesic approximation. It can handle both convex and non-convex surfaces.
Dimas MartĂ­nez   +2 more
openaire   +1 more source

New approaches for Delaunay triangulation and optimisation

open access: yesHeliyon, 2019
New techniques are presented for Delaunay triangular mesh generation and element optimisation. Sample points for triangulation are generated through mapping (a new approach). These sample points are later triangulated by the conventional Delaunay method.
Logah Perumal
doaj   +1 more source

The KW-boundary hybrid digital waveguide mesh for room acoustics applications [PDF]

open access: yes, 2007
The digital waveguide mesh is a discrete-time simulation used to model acoustic wave propagation through a bounded medium. It can be applied to the simulation of the acoustics of rooms through the generation of impulse responses suitable for auralization
Beeson, Mark, Murphy, Damian T.
core   +1 more source

Speckle reduction using angular spectrum interleaving for triangular mesh based computer generated hologram.

open access: yesOptics Express, 2017
We propose a method that eliminates speckle artifact in the reconstruction of triangular mesh based computer generated holograms. The proposed method generates a number of holograms with different sets of interleaved plane carrier waves.
Seok-Beom Ko, Jae-Hyeung Park
semanticscholar   +1 more source

Subdivision surface fitting to a dense mesh using ridges and umbilics [PDF]

open access: yes, 2014
Fitting a sparse surface to approximate vast dense data is of interest for many applications: reverse engineering, recognition and compression, etc. The present work provides an approach to fit a Loop subdivision surface to a dense triangular mesh of ...
Jiang, Yong   +3 more
core   +7 more sources

Mesh smoothing algorithm based on exterior angles split.

open access: yesPLoS ONE, 2020
Since meshes of poor quality give rise to low accuracy in finite element analysis and kinds of inconveniences in many other applications, mesh smoothing is widely used as an essential technique for the improvement of mesh quality.
Yongqing Hai   +3 more
doaj   +1 more source

Analysis of pillow effect for isosceles triangular membranes of mesh reflector antenna by the weak form quadrature element method

open access: yesAIP Advances, 2022
The pillow effect is a key weakening factor in the surface accuracy of mesh antennas. Previous studies, however, have significant limitations in such antennas because they have been largely based on specific assumptions, which have failed to investigate ...
Pengfei Huang   +3 more
doaj   +1 more source

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