scholarly journals Free Tools and Strategies for the Generation of 3D Finite Element Meshes: Modeling of the Cardiac Structures

2013 ◽  
Vol 2013 ◽  
pp. 1-11 ◽  
Author(s):  
E. Pavarino ◽  
L. A. Neves ◽  
J. M. Machado ◽  
M. F. de Godoy ◽  
Y. Shiyou ◽  
...  
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Open Source Software ◽  
Mesh Generation ◽  
Automatic Generation ◽  
The Finite Element Method ◽  
3D Finite Element ◽  
Tetrahedral Meshes ◽  
Finite Element Meshes ◽  
Element Method

The Finite Element Method is a well-known technique, being extensively applied in different areas. Studies using the Finite Element Method (FEM) are targeted to improve cardiac ablation procedures. For such simulations, the finite element meshes should consider the size and histological features of the target structures. However, it is possible to verify that some methods or tools used to generate meshes of human body structures are still limited, due to nondetailed models, nontrivial preprocessing, or mainly limitation in the use condition. In this paper, alternatives are demonstrated to solid modeling and automatic generation of highly refined tetrahedral meshes, with quality compatible with other studies focused on mesh generation. The innovations presented here are strategies to integrate Open Source Software (OSS). The chosen techniques and strategies are presented and discussed, considering cardiac structures as a first application context.

scholarly journals Effects of Mesh Generation on Modeling Aluminum Anode Baking Furnaces

2021 ◽  
Author(s):  
Jose Libreros ◽  
Domenico Lahaye ◽  
Maria Trujillo
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Mesh Generation ◽  
Gas Flow ◽  
The Finite Element Method ◽  
Operational Parameters ◽  
Turbulent Dissipation ◽  
Flow Equations ◽  
Physical Phenomena ◽  
Element Method

Turbulent flow is the first and fundamental physical phenomena to evaluate when optimising cost and reducing emissions from an Anode Baking Furnace (ABF). Gas flow patterns, velocity field, pressure drop, shear stress, and turbulent dissipation rate variables are the main operational parameters to be optimised, considering a specific geometry. Computational Fluid Dynamics (CFD) allows simulating physical phenomena using numerical methods with computer resources. In particular, the finite element method is one of the most used methods to solve the flow equations. This method requires a discretisation of the geometry of the ABF, called mesh. Hence, mesh is the main input to the finite element method. A suitable mesh for applying a discretisation method determines whether the problem can be simulated or not. Generating an appropriate mesh remains a challenge to perform accurate simulations. In this work, a comparison between meshes generated using two mesh generation tools is presented. Results of different study cases are included.

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