Chemistry and Earth Science

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Drugs, herbicides, and numerical simulation

Submitted by IMAGINARY on 월, 09/22/2014 - 02:01

The Colombian government sprays coca fields with herbicides in an effort to reduce drug production. Spray drifts at the Ecuador-Colombia border became an international issue. We developed a mathematical model for the herbicide aerial spray drift, enabling simulations of the phenomenon.

Chaos and chaotic fluid mixing

Submitted by IMAGINARY on 금, 06/06/2014 - 19:08

Very simple mathematical equations can give rise to surprisingly complicated, chaotic dynamics, with behavior that is sensitive to small deviations in the initial conditions. We illustrate this with a single recurrence equation that can be easily simulated, and with mixing in simple fluid flows.

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