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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Abstract	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.
AbstractList	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.
Audience	Academic
Author	Wei, Bing He, Xinbo Wang, Yijing
Author_xml	– sequence: 1 givenname: Yijing orcidid: 0000-0002-3697-1963 surname: Wang fullname: Wang, Yijing – sequence: 2 givenname: Xinbo orcidid: 0000-0003-3445-1945 surname: He fullname: He, Xinbo – sequence: 3 givenname: Bing surname: Wei fullname: Wei, Bing
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SubjectTerms	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
Title	Efficient Parallel Ray Tracing Algorithm for Electromagnetic Scattering in Inhomogeneous Plasma Using Graphic Processing Unit
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