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Visualization of Reactor Core Based on Triangular Mesh Method

Wei Lu, Guanghui Yuan, Hao Yang, Hongrun Yang, Xin Zhao, Qian Zhang
2021 Intelligent Automation and Soft Computing  
In this work, data processing and visualization of the three-dimensional refined calculation of the core were accomplished, using the triangular mesh model, hash matching algorithm, 3D visualization technology  ...  expression of calculation results, a mesh generation method based on Delaunay triangulation was used to solve the restructuring and visualizing problem of core three-dimensional (3D) data fields.  ...  The achieved result performed well in terms of the loading time and processing efficiency for large-scale calculation models, thus significantly improving calculation efficiency for nuclear engineers.  ... 
doi:10.32604/iasc.2021.020075 fatcat:k3xym5gqjbbkvc4vu4d3f5o34a

Surface Mesh Generation of Large-scale Digital Rock Images in 3D

Yan Liu, H.L. Xing
2013 Procedia Computer Science  
A surface mesh generation method for describing and applying the large-scale 3D digital rock images is presented in this paper.  ...  In addition, as regards to processing such large-scale original data itself, computer capability and efficiency are also quite challenging.  ...  (2) The mesh coarsening in the proposed method is efficient to process large-scale rock images.  ... 
doi:10.1016/j.procs.2013.05.287 fatcat:pycxuxybfzbg7esovz744uqb3m

Recent advances in multiresolution analysis of 3D meshes and their applications

Michaël Roy, Sebti Foufou, Frédéric Truchetet, Frédéric Truchetet, Olivier Laligant
2010 Wavelet Applications in Industrial Processing VII  
Applications calling for compact and fast processing of large 3D meshes have motivated a multitude of algorithms developped to process these datasets efficiently.  ...  3D meshes are widely used in computer graphics applications for approximating 3D models. When representing complex shapes in raw data format, meshes consume a large amount of space.  ...  The authors use the progressive mesh algorithm 32 to build the coarse resolution mesh, and a smoothing operator to estimate the high resolution mesh.  ... 
doi:10.1117/12.845595 fatcat:6zxujtivmvfvzgdk6ymexdcuuy

Unsupervised Conversion of 3D Models for Interactive Metaverses

Jeff Terrace, Ewen Cheslack-Postava, Philip Levis, Michael J. Freedman
2012 2012 IEEE International Conference on Multimedia and Expo  
However, arbitrary 3D content is often not optimized for real-time rendering, limiting the ability of clients to display large scenes consisting of hundreds or thousands of objects.  ...  We present the design and implementation of an automatic, unsupervised conversion process that transforms 3D content into a format suitable for real-time rendering while minimizing loss of quality.  ...  CONVERSION PROCESS Our unsupervised conversion process turns any 3D model into an efficient, progressive encoding for use within a real-time rendering environment.  ... 
doi:10.1109/icme.2012.186 dblp:conf/icmcs/TerraceCLF12 fatcat:pnprwepzvrg2fahumj5nzr6shm

Out-of-Core Construction of Sparse Voxel Octrees

J. Baert, A. Lagae, Ph. Dutré
2014 Computer graphics forum (Print)  
that our out-of-core algorithm can also handle extremely large triangle meshes.  ...  Voxel-based rendering has recently received significant attention due to its potential in the context of efficiently rendering massively large and highly detailed scenes.  ...  Acknowledgements The David and Atlas models are courtesy of The Digital Michelan-gelo Project, the San Miguel model is courtesy of Evolucién Visual, the textured Buddha model is courtesy of Kun Zhou.  ... 
doi:10.1111/cgf.12345 fatcat:iqzns7kbmncylftbkzz4btwztm

Out-of-core construction of sparse voxel octrees

Jeroen Baert, Ares Lagae, Philip Dutré
2013 Proceedings of the 5th High-Performance Graphics Conference on - HPG '13  
that our out-of-core algorithm can also handle extremely large triangle meshes.  ...  Voxel-based rendering has recently received significant attention due to its potential in the context of efficiently rendering massively large and highly detailed scenes.  ...  Acknowledgements The David and Atlas models are courtesy of The Digital Michelan-gelo Project, the San Miguel model is courtesy of Evolucién Visual, the textured Buddha model is courtesy of Kun Zhou.  ... 
doi:10.1145/2492045.2492048 dblp:conf/egh/BaertLD13 fatcat:xngtqaabsvcu5okociqopnlabu

Predictive compression of dynamic 3D meshes

K. Muller, A. Smolic, M. Kautzner, P. Eisert, T. Wiegand
2005 IEEE International Conference on Image Processing 2005  
An efficient algorithm for compression of dynamic time-consistent 3D meshes is presented.  ...  Such a sequence of meshes contains a large degree of temporal statistical dependencies that can be exploited for compression using DPCM.  ...  This short sequence of connectivity and vertex position data is distributed solely for the purpose of comparison of geometry compression techniques.).  ... 
doi:10.1109/icip.2005.1529827 dblp:conf/icip/MullerSKEW05 fatcat:tuevfm57kjbyhlbjcs6tbzazfi

Numerical simulation of welding distortions in large structures with a simplified engineering approach

Mato Perić, Karlo Seleš, Zdenko Tonković, Martina Lovrenić-Jugović
2019 Open Physics  
It is shown that the shell/3D modeling technique provides a significant reduction in the computational time needed for the simulation of the welding process and thus enables efficient thermo-elastoplastic  ...  This paper presents an efficient thermo-elastoplastic method for the prediction of welding-induced distortions in a large panel structure.  ...  Conclusions In the presented research, an efficient thermoelastoplastic finite element procedure is developed for a welding process simulation of large-scale structural components.  ... 
doi:10.1515/phys-2019-0076 fatcat:iuxwmu7lazccdbptyo7eunbxze

Efficient, high-resolution topology optimization method based on convolutional neural networks

Liang Xue, Jie Liu, Guilin Wen, Hongxin Wang
2021 Frontiers of Mechanical Engineering  
High computational efficiency is achieved with a pooling strategy that can balance the number of finite element analyses and the output mesh in the optimization process.  ...  In this study, an efficient, high-resolution topology optimization method is developed based on the superresolution convolutional neural network (SRCNN) technique in the framework of SIMP.  ...  To view a copy of this license, visit http://creativecommons.org/licenses/ by/4.0/.  ... 
doi:10.1007/s11465-020-0614-2 fatcat:bccaxi7yezfblny4ulocldz2sm

3D Network-on-Chip Based Median Filter Implementation

Behzad Davoodnia, Faculty of Electrical and Computer Engineering, University of Tabriz, Tabriz, Iran, Masoom Nazari, Reza Daie Koozekanani, Mina Zolfy Lighvan
2018 Journal of Communications  
Abstract -This paper presents an efficient three dimension Networks-on-Chip (NoC) mesh topology which developed for digital image processing.  ...  Communication between tens or hundreds of cores has become a main issue. We introduce developed 3D mesh topology for resolving this issue that is suitable for digital image processing.  ...  Also, we guess that increasing the number of core reduces 3D mesh processing clock cycles more than what happens in 2D mesh.  ... 
doi:10.12720/jcm.13.4.193-197 fatcat:kdgox5lkvnaofpxeug5tejj744

Scalable multi-view stereo

Michal Jancosek, Alexander Shekhovtsov, Tomas Pajdla
2009 2009 IEEE 12th International Conference on Computer Vision Workshops, ICCV Workshops  
We present a large scale experiments in which we processed 294 unorganized images of an outdoor scene and reconstruct its 3D model and 1000 images from the Google Street View Pittsburgh Experimental Data  ...  Our technique works as a filter on a limited number of images at a time and can thus process arbitrarily large data sets using limited memory.  ...  We demonstrated that the technique achieves acceptable quality of reconstruction in affordable time and computational effort and that it can process large sets of real images.  ... 
doi:10.1109/iccvw.2009.5457432 dblp:conf/iccvw/JancosekSP09 fatcat:ljgf6zkm3bai7hlldoqf5it25m

Adaptive Mesh Method Applied to Poisson Solver Module for 3D Capacitively Coupled Plasma Discharge Simulation

Sora Lee, Yejin Shon, Dong-gil Kim, Deuk-Chul Kwon, Hee Hwan Choe
2020 Applied Science and Convergence Technology  
By comparing the respective results of the adaptive mesh and fixed mesh models, we confirmed that the error of the electric potential value decreases. Figure 1.  ...  In plasma discharge simulation, the configuration of a mesh has a significant influence on convergence. However, it is time consuming to obtain a suitable mesh.  ...  Thus, we propose a method to efficiently solve Poisson's equation by applying adaptive mesh refinement and the coarsening algorithm in the 3D CCP structure.  ... 
doi:10.5757/asct.2020.29.3.062 fatcat:dpovru7dkndcjclomi5r4el7ue

Image-Based 3D Mesh Denoising Through a Block Matching 3D Convolutional Neural Network Filtering Approach

Gerasimos Arvanitis, Aris Lalos, Konstantinos Moustakas
2020 Zenodo  
Motivated by the impressive results of image denoising by 3D transform-domain collaborative filtering (CF), we extend it to 3D mesh denoising.  ...  Throughout the years, several works have been proposed for 3D mesh denoising.  ...  Acknowledgements Research supported by the European Union research and innovation program Horizon 2020 Marie Sklodowska WARMEST :loW Altitude Remote sensing for the Monitoring of the state of cultural  ... 
doi:10.5281/zenodo.3754153 fatcat:yucaqb5d7fhuphkm4cuhisxhve

Size-Adaptive Texture Atlas Generation and Remapping for 3D Urban Building Models

Xuequan Zhang, Wei Liu, Bing Liu, Xin Zhao, Zihe Hu
2021 ISPRS International Journal of Geo-Information  
The experiment results show that our method can significantly improve building model rendering efficiency for large-scale 3D city visualization.  ...  The fast loading and rendering of these models remain challenges in web-based large-scale 3D city visualization.  ...  Acknowledgments: The authors would like to thank the Huaibei Urban Administration for their initiatives in 3D urban visualization.  ... 
doi:10.3390/ijgi10120798 fatcat:kpg5d5pmynfxldcqoavwk7kt4q

An efficient and high-resolution topology optimization method based on convolutional neural networks [article]

Liang Xue, Jie Liu, Guilin Wen, Hongxin Wang
2020 arXiv   pre-print
Additionally, a pooling strategy is established to balance the number of finite element analysis (FEA) and the output mesh in optimization process.  ...  The combined treatment method used in 3D topology optimization design eliminates the expense of retraining 3D convolutional neural network and guarantees the quality of 3D design.  ...  Acknowledgements This work was supported by the National Natural Science Foundation of China (No.11672104, 11908085), the Key Program of National Natural Science Foundation of China (No.11832009), and  ... 
arXiv:2001.04350v2 fatcat:q57rwh7pbvbcfngoo36fzglbg4
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