Episode #109 - Just Talking About: Adaptive Optics and CFD
Math & Physics Podcast
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All Time Stepping Methods - Is Entropy Decreased?
RK-4 steps in time, it misses every midpoint. The energy literally is just incapable to be computed because over time, what happens is that the eigenvectors of these solutions damp over time. In 2019, a paper came out describing these relaxation rungakata methods which simply adds a term for conserving energy.
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