Efficient Parallel Ray Tracing Algorithm for Electromagnetic Scattering in Inhomogeneous Plasma Using Graphic Processing Unit

This paper presents a parallel ray tracing (RT) algorithm based on a graphic processing unit (GPU) applied to electromagnetic scattering calculations in an inhomogeneous plasma to enhance the computational efficiency of the algorithm. The proposed algorithm utilizes a fourth-order Runge–Kutta method...

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Vydáno v:Symmetry (Basel) Ročník 17; číslo 4; s. 627
Hlavní autoři: Wang, Yijing, He, Xinbo, Wei, Bing
Médium: Journal Article
Jazyk:angličtina
Vydáno: Basel MDPI AG 21.04.2025
Témata:
Accuracy
Algorithms
Antennas
Apexes
Computing time
Efficiency
Electric fields
Electromagnetic scattering
Electromagnetic waves
Energy consumption
Graphics processing units
Multiprocessing
Parallel processing
Plasma
Propagation
Ray tracing
Runge-Kutta method
Scattering
United States
ISSN:2073-8994, 2073-8994
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Shrnutí:This paper presents a parallel ray tracing (RT) algorithm based on a graphic processing unit (GPU) applied to electromagnetic scattering calculations in an inhomogeneous plasma to enhance the computational efficiency of the algorithm. The proposed algorithm utilizes a fourth-order Runge–Kutta method to solve the Haselgrove equation to track ray paths within the inhomogeneous plasma and implements parallel processing of the RT procedure using GPU. By independently assigning single threads to the rays originating from the vertices and the midpoints of each triangulated ray tube, a substantial number of rays are traced in parallel to reduce the algorithm runtime. The results indicate that the parallel RT algorithm based on GPU significantly enhances computation efficiency in inhomogeneous plasma while maintaining accuracy.
Bibliografie:ObjectType-Article-1
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ISSN:2073-8994
2073-8994
DOI:10.3390/sym17040627