Results 1 to 10 of about 30,812 (258)

Mapping Based Quality Metrics for Mesh Deformation Algorithms Using Radial Basis Functions

Applied Sciences, 2020
The mesh deformation method based on radial basis functions is widely used in computational fluid dynamics (CFD) simulation with a moving boundary.
Changchuan Xie, Sijia Jia, Yingjie Li, Chao An, Chao Yang   +4 more
doaj   +2 more sources

Two-dimensional mesh generator and quality analysis of elements on the curvilinear coordinates system

Semina: Ciências Exatas e Tecnológicas, 2021
Through mathematical models, it is possible to turn a problem of the physical domain to the computational domain. In this context, the paper presents a two-dimensional mesh generator in generalized coordinates, which uses the parametric linear spline ...
Gustavo Taiji Naozuka, Neyva Maria Lopes Romeiro, Alan Salvany Felinto, Paulo Laerte Natti, Eliandro Rodrigues Cirilo   +4 more
doaj   +3 more sources

Shrink wrap meshing via graph-based optimization [PDF]

Scientific Reports
In numerical simulations, creating a watertight surface mesh is crucial for subsequent volumetric discretization and numerical analysis. Traditional workflows face significant challenges when processing Computer-Aided Design (CAD) models containing gaps ...
Zengsheng Liu, Xiang Gao, Chunye Gong, Xinhai Chen, Chao Li, Xiaowei Guo, Chuanfu Xu, Jie Liu   +7 more
doaj   +2 more sources

Geometric parameters in the target matrix mesh optimization paradigm

Partial Differential Equations in Applied Mathematics, 2022
The Target Matrix Optimization Paradigm for improving mesh quality has always had, as its agenda, to create a direct path between application mesh quality requirements and a set of target matrices that can result in an optimal mesh that meets the ...
Patrick Knupp
doaj   +1 more source

Review of Three-Dimensional Model Simplification Algorithms Based on Quadric Error Metrics and Bibliometric Analysis by Knowledge Map

Mathematics, 2023
With the rapid advancement of computer graphics and three-dimensional modeling technology, the processing and optimization of three-dimensional (3D) models have become contentious research topics.
Han Chang, Yanan Dong, Di Zhang, Xinxin Su, Yijun Yang, Inhee Lee   +5 more
doaj   +1 more source

Interpretable cardiac anatomy modeling using variational mesh autoencoders

Frontiers in Cardiovascular Medicine, 2022
Cardiac anatomy and function vary considerably across the human population with important implications for clinical diagnosis and treatment planning. Consequently, many computer-based approaches have been developed to capture this variability for a wide ...
Marcel Beetz, Jorge Corral Acero, Abhirup Banerjee, Abhirup Banerjee, Ingo Eitel, Ingo Eitel, Ingo Eitel, Ernesto Zacur, Torben Lange, Torben Lange, Thomas Stiermaier, Thomas Stiermaier, Thomas Stiermaier, Ruben Evertz, Ruben Evertz, Sören J. Backhaus, Sören J. Backhaus, Holger Thiele, Holger Thiele, Alfonso Bueno-Orovio, Pablo Lamata, Andreas Schuster, Andreas Schuster, Vicente Grau   +23 more
doaj   +1 more source

Shape Transformation Approaches for Fluid Dynamic Optimization

Aerospace, 2023
The contribution is devoted to combined shape- and mesh-update strategies for parameter-free (CAD-free) shape optimization methods. Three different strategies to translate the shape sensitivities computed by adjoint shape optimization procedures into ...
Peter Marvin Müller, Georgios Bletsos, Thomas Rung   +2 more
doaj   +1 more source

Developing a new mesh quality evaluation method based on convolutional neural network

Engineering Applications of Computational Fluid Mechanics, 2020
One of the difficult requirements imposed on high-quality CFD mesh generation has been the ability to evaluate the mesh quality efficiently. Due to the lack of a general and effective evaluating criterion, the current mesh quality evaluation task mainly ...
Xinhai Chen, Jie Liu, Yufei Pang, Jie Chen, Lihua Chi, Chunye Gong   +5 more
doaj   +1 more source

Method for generating high-quality tetrahedral meshes of geological models by utilizing CGAL

MethodsX, 2020
High-quality computational meshes are crucial in the analysis of displacements and stabilities of rock and soil masses. In this paper, we present a method for generating high-quality tetrahedral meshes of geological models to be used in stability ...
Bowen Wang, Gang Mei, Nengxiong Xu
doaj   +1 more source

Interference, Traffic Load and Delay Aware Routing Metric for Wireless Mesh Network

Advances in Electrical and Computer Engineering, 2021
The self-organizing property of the wireless mesh network (WMN) has made them suitable for implementing various networking application, such as video surveillance.
BHOJANNAWAR, S., MANGALWEDE, S.
doaj   +1 more source