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The electromagnetic waves propagation in unmagnetized plasma media using parallelized finite-difference time-domain method

Lang-lang Xiong, Xi-min Wang, Song Liu, Zhi-yun Peng, Shuang-ying Zhong
2018 Optik (Stuttgart)  
The accuracy and acceleration performance of the proposed parallel RKETD-FDTD method implemented on GPU are substantiated by calculating the reflection and transmission coefficients for one-dimensional  ...  In this paper, we represent the parallel Runge-Kutta exponential time differencing scheme FDTD (RKETD) method for the unmagnetized plasma implemented on GPU.  ...  This paper presents a GPU-based RKETD-FDTD method with CUDA for the unmagnetized plasma media to acquire better acceleration performance, compared with merely CPU-based RKETD-FDTD method.  ... 
doi:10.1016/j.ijleo.2018.03.136 fatcat:x2tgvz6acrhunceotdluoqskpi

On the Efficiency of OpenACC-aided GPU-Based FDTD Approach: Application to Lightning Electromagnetic Fields

Sajad Mohammadi, Hamidreza Karami, Mohammad Azadifar, Farhad Rachidi
2020 Applied Sciences  
An open accelerator (OpenACC)-aided graphics processing unit (GPU)-based finite difference time domain (FDTD) method is presented for the first time for the 3D evaluation of lightning radiated electromagnetic  ...  The OpenACC directive-based programming model is used to enhance the computational performance, and the results are compared with those obtained by using a CPU-based model.  ...  It is worth noting that the best performance was obtained for a vector length of 1024. APPLICATION: MODELS AND HYPOTHESES CONSIDERED FOR ANALYSIS The geometry of the problem is shown in Figure 7 .  ... 
doi:10.3390/app10072359 fatcat:znlachn6gzbofgus6po7iqppwe

Multi-GPU and multi-CPU accelerated FDTD scheme for vibroacoustic applications

J. Francés, B. Otero, S. Bleda, S. Gallego, C. Neipp, A. Márquez, A. Beléndez
2015 Computer Physics Communications  
The potential of the scheme and the relevance of each acceleration strategy for massively computations in FDTD are demonstrated in this work.  ...  More specifically, the speedup of GPU computing achieves an upper limit of 12 for both one and two GPUs, whereas the performance reaches peak values of 80 GFlops and 146 GFlops for the performance for  ...  Acknowledgements The authors would like to thank Sergio Orts Escolano for fruitful discussions of the GPU programming. The work is partially sup-  ... 
doi:10.1016/j.cpc.2015.01.017 fatcat:4taolbpalbhm5fdzir3ix6bxpm

A CUDA-based GPU engine for gprMax: Open source FDTD electromagnetic simulation software

Craig Warren, Antonios Giannopoulos, Alan Gray, Iraklis Giannakis, Alan Patterson, Laura Wetter, Andre Hamrah
2019 Computer Physics Communications  
We have developed one of the first open source GPU-accelerated FDTD solvers specifically focused on modelling GPR. We designed optimal kernels for GPU execution using NVIDIA's CUDA framework.  ...  The performance benefits of our GPU-accelerated solver were demonstrated in a GPR environment by running a large-scale, realistic (including dispersive media, rough surface topography, and detailed antenna  ...  Acknowledgements The authors would like to acknowledge Google Fiber (USA) for providing financial support for this work.  ... 
doi:10.1016/j.cpc.2018.11.007 fatcat:rzrsph3uijeiflzlvekld7drru

Analysis of periodic anisotropic media by means of split-field FDTD method and GPU computing

J. Francés, S. Bleda, M. L. Álvarez López, F. J. Martínez, A. Márquez, C. Neipp, A. Beléndez, Abdul A. S. Awwal, Khan M. Iftekharuddin
2012 Optics and Photonics for Information Processing VI  
Specifically, the implementation of the SP-FDTD in the Fermi family of GPUs of NVIDIA is presented.  ...  The anisotropic media is modeled by means of a permittivity tensor with non-diagonal elements and absorbing boundary conditions are also considered.  ...  In their work GPU computing is applied to accelerate the SF-FDTD implementation for Drude-Lorentz dispersive media.  ... 
doi:10.1117/12.929545 fatcat:nt6j65dtgzeipdugfkcinthekm

Review on Computational Electromagnetics

P. Sumithra, D. Thiripurasundari
2017 Advanced Electromagnetics  
Performance of various techniques in terms accuracy, memory and computational time for application specific tasks such as modeling RCS (Radar cross section), space applications, thin wires, antenna arrays  ...  Computational electromagnetics (CEM) is applied to model the interaction of electromagnetic fields with the objects like antenna, waveguides, aircraft and their environment using Maxwell equations.  ...  Iterative solvers show performance improvement in cases where GPU memory is a limitation and they provide a speed up of 50%.  ... 
doi:10.7716/aem.v6i1.407 fatcat:ohtp6wxsszb7tl4hldtxk4rauu


Kan Xu, Zhenhong Fan, Da-Zhi Ding, Ru-Shan Chen
2010 Electromagnetic Waves  
The programmable graphics processing unit (GPU) is employed to accelerate the unconditionally stable Crank-Nicolson finite-difference time-domain (CN-FDTD) method for the analysis of microwave circuits  ...  stabilized (Bi-CGSTAB) algorithm are performed with multiple processors of the GPU.  ...  GPU ACCELERATING THE CN-FDTD: PROGRAMMING MODEL AND PARALLELIZATION STRATEGY CUDA Programming Model and GPU Architecture Before mapping a computing task into the GPU, it is necessary to well understand  ... 
doi:10.2528/pier10020606 fatcat:ygbwdwaoyffu7pw43pkuvkak5m

Accelerated Implementation of the S-MRTD Technique Using Graphics Processor Units

G. Baron, E. Fiume, C.D. Sarris
2006 2006 IEEE MTT-S International Microwave Symposium Digest  
The sustained speed-ups achieved, for two-dimensional problems, reach a factor of 30, significantly higher than any speed-ups reported for FDTD so far.  ...  A time-domain electromagnetic modeling technique, namely a high-order scaling function based MRTD (S-MRTD), can be dramatically accelerated, through its implementation in commodity graphics hardware.  ...  Fig. 3 . 3 Gaussian pulse propagation in a rectangular domain, modeled by FDTD and S-MRTD.  ... 
doi:10.1109/mwsym.2006.249948 fatcat:amxmz4xbo5dgtmhc2m6wlnnyti

FDTD Acceleration for Cylindrical Resonator Design Based on the Hybrid of Single and Double Precision Floating-Point Computation

Hasitha Muthumala Waidyasooriya, Masanori Hariyama, Yasuhiro Takei, Michitaka Kameyama
2014 Journal of Computational Engineering  
Acceleration of FDTD (finite-difference time-domain) is very important for the fields such as computational electromagnetic simulation.  ...  Conventional FDTD acceleration methods have a common problem of memory-bandwidth limitation due to the large amount of parallel data access.  ...  GPU acceleration of 2-D and 3-D FDTD for electromagnetic field analysis is proposed in [12, 13] , respectively. Multi-GPUs are used to accelerate the FDTD in [14, 15, 17] .  ... 
doi:10.1155/2014/634269 fatcat:l75omugewnhnzcq7vrsq5tewiu

Intel Many-Integrated Core (MIC) architecture-based parallel computation and optimization of finite-difference time-domain (FDTD) schemes for acoustic simulation

Ryo Imai, Naoki Kawada, Yuta Katori, Yukihisa Suzuki, Kan Okubo
2017 Acoustical Science and Technology  
A number of studies have reported the application of GPU [2-4] to largescale and long-time acoustic simulation for finite-difference time-domain (FDTD) methods [5] [6] [7] .  ...  An Intel MIC accelerator has higher availability than a GPU because its programming model shares many similarities with regular CPUs, which means that Intel MIC can be utilized by regular OpenMP parallelization  ...  A number of studies have reported the application of GPU [2] [3] [4] to largescale and long-time acoustic simulation for finite-difference time-domain (FDTD) methods [5] [6] [7] .  ... 
doi:10.1250/ast.38.314 fatcat:v57gtptyirb7xmq3wqf3weuksu

GPU-based acceleration of computational electromagnetics codes

Danilo De Donno, Alessandra Esposito, Giuseppina Monti, Luca Catarinucci, Luciano Tarricone
2012 International journal of numerical modelling  
This is true for a wide variety of numerical methods and applications, ranging from EM compatibility to radio-coverage, circuit modeling, and optimization of components.  ...  The impressive speed-ups achieved (up to 60Â and 25Â for FDTD and MoM, respectively) demonstrate the effectiveness of GPUs in accelerating CEM codes.  ...  In [25] , a 16-GPU cluster is proposed for the acceleration of FDTD with performance gains up to 29Â over an equivalent CPU cluster.  ... 
doi:10.1002/jnm.1849 fatcat:bzwa4k5zvjeb7hhanifzjegfx4

A Fast Runtime Visualization of a GPU-Based 3D-FDTD Electromagnetic Simulation

Kota Aoki, Keisuke Dohi, Yuichiro Shibata, Kiyoshi Oguri, Takafumi Fujimoto
2013 2013 First International Symposium on Computing and Networking  
In this paper, we present design and implementation of a fast runtime visualizer for a GPU-based 3D-FDTD electromagnetic simulation.  ...  kernel gained by the GPU acceleration.  ...  Effect of GPU Acceleration We also compared the performance of the 3D-FDTD simulation with a CPU-based implementation, in order to reveal the effect of GPU acceleration.  ... 
doi:10.1109/candar.2013.14 dblp:conf/ic-nc/AokiDSOF13 fatcat:mlg54elrinf6lb4g4g5eezgsoe

Parallel Implenetation of the GPR Techniques for Detecting and Mapping Ancient Buildings by Using CUDA

M. Cihat MUMCU, Salih BAYAR
2020 European Journal of Science and Technology  
In this work, the 3-D FDTD method was applied to the GPU by using CUDA and it was 10 times faster.  ...  Search for the presence of designated targets hidden between the walls, such as air pockets is help to archaeologists. In this work the Lorentz model was used for the distribution of the soil.  ...  To achieve high accuracy and acceleration performance of the FDTD method, we preferred to use a GPU.  ... 
doi:10.31590/ejosat.780115 fatcat:a5odaaj2lbdt5awxmhsqm7dhwy


Kim Huat Lee, Iftikhar Ahmed, Rick Siow Mong Goh, Eng Huat Khoo, Er Ping Li, Terence Gih Guang Hung
2011 Electromagnetic Waves  
We present a three-dimensional finite difference time domain (FDTD) method on graphics processing unit (GPU) for plasmonics applications.  ...  model.  ...  Since then, GPU-accelerated FDTD method has been applied to different applications.  ... 
doi:10.2528/pier11042002 fatcat:f3qfjoy27vcvpl3l3adti3e4su

A High-Performance Parallel FDTD Method Enhanced by Using SSE Instruction Set

Dau-Chyrh Chang, Lihong Zhang, Xiaoling Yang, Shao-Hsiang Yen, Wenhua Yu
2012 International Journal of Antennas and Propagation  
We introduce a hardware acceleration technique for the parallel finite difference time domain (FDTD) method using the SSE (streaming (single instruction multiple data) SIMD extensions) instruction set.  ...  Several engineering applications are employed to demonstrate the performance of parallel FDTD method enhanced by SSE instruction set.  ...  We compare the FDTD simulation performance on one 18-node high-performance cluster and a popular nVidia Tesla C1060 GPU.  ... 
doi:10.1155/2012/851465 fatcat:xjph4kmaqbenxct5kgjeymzlei
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