二成分混合流体対流における漸近挙動 : 局在構造の自発的発現と集団運動(対流(1),一般講演)

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  • Asymptotic behavior of binary mixture convection : spontaneous generation and collective motion of localized structures

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We study asymptotic behavior of binary mixture convection in a large periodic domain. When the trivial state is unstable and the size of the domain is large enough, localized convection cells (pulse) are generated spontaneously in the conductive state and, finally, they are arranged at non-uniform intervals and move in the same direction. We found that the role of time-periodic traveling pulse (PTP) solutions and their strong interactions (collision) are important to approach the final state and thus, phase dependency of pulse-pulse collision is investigated in detail.

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