Diffusion & Advection Model Visualization
Автор: Brian Lynch
Загружено: 2012-09-02
Просмотров: 11273
Описание:
This video shows examples of visualizing simulated diffusion and advection of a gas species such as methane in air. The purpose of the model is for testing future autonomous robots capable of tracking such gases for planetary exploration on Mars, the moon, and beyond.
The colour represents the concentration of the gas, with blue representing zero (surroundings) and red normalized to the highest concentration value in each segment.
Turbulence is imposed in the form of vortices and noise superimposed with surrounding fluid motion, resulting in the detailed chaotic dispersion of the gas. Motion of the surrounding fluid is modeled as constant during some segments, and in others is computed from a streamline analysis including obstacles around which fluid must pass.
Some segments also show fluid motion in the form of small black arrows. Others include moving vortices which may be indicated with black circles.
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