Three-Dimensional Cloud Simulation of Satellite Cloud Map Based on SPH Method

doi:10.16182/j.issn1004731x.joss.17-0233

Abstract

Abstract: A fast cloud three-dimensional simulation algorithm based on smoothed particle hydrodynamics (SPH) is proposed. The two-dimensional contours of the real cloud are extracted from the satellite cloud image, and the cloud contour curves are fitted with different levels of circular clouds. The obtained circle is extended to the three-dimensional space with the center and the radius as necessary to form the spherical shape. According to the principle of SPH, a certain number of particles are generated in the generated cloud three-dimensional sphere; and the particles are given the initial properties such as color, size, speed and smooth kernel, so as to render particles and complete the three-dimensional simulation of cloud. It is proved that the algorithm can simulate the three-dimensional cloud of different kinds of shapes in the satellite cloud image rapidly and realistically.

Key words: satellite cloud image, smoothed particle hydrodynamics, cloud modeling, 3D visualization

CLC Number:

TP391.9

Zhou Hao, Bi Shuoben, Gong Yucheng, Wang Jun, Ling Dequan. Three-Dimensional Cloud Simulation of Satellite Cloud Map Based on SPH Method[J]. Journal of System Simulation, 2019, 31(7): 1300-1312.

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