Sea surface track parallel simulation method based on particle system
A technology of particle system and simulation method, which is applied in 3D image processing, image data processing, instruments, etc., can solve the problems of not being able to realistically simulate track disturbance phenomena, and not being able to achieve good coordination of authenticity and real-time performance. Achieve the effect of reducing communication and improving simulation efficiency
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[0079] The overall coverage of the simulated sea surface area is Length*Width, Length is the length of the simulated sea surface area, Width is the width of the simulated sea surface area, the mesh density is meshH*meshW, meshH is the number of meshes into which the simulation area length is divided, and meshW is the simulation area The width is divided into the number of grids, and the number of particles in the track particle system is ParticleNumber. The maximum number of Threads (CUDA kernel threads) in each Block in the system graphics hardware is BlockSize.
[0080] The first step: do some initialization work in the CPU. Including: initialize CUDA device, apply for video memory, create FFT Plan (execution parameter configuration of Fast Fourier Transform), create VBO, initialize particle system.
[0081] Step 2: Parallelize the sea surface grid.
[0082] a) Solve the sea surface height field of the Phillips wave spectrum at a specific moment.
[0083] The wave wavelen...
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