S002 形態形成と流体力学

概要

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Some examples of pattern formation problems and their analyses are introduced and roles of fluid dynamics are explained. It is suggested that these patterns have relatively fixed shapes and properties of self-sustaining mechanisms. Problems treated here are (i) a numerical analysis of the thermal convection in a fluid with temperature-dependent viscosity, where a concept of spatial chaos is proposed, (ii) an observation of particle motions in a particle-liquid system under external horizontal vibration, where particle behavior is classified into three categories, crystal-phase, amorphus-phase and disperse-phase., and (iii) a computer simulation of lung airway formation which is made by cooperation with a medical doctor. Motivations of these researches are curiosities to phenomena and not a promotion of fluid dynamics. This kind of motivation, however, is considered to be a good driving force for future development of the fluid dynamics.
日本流体力学会の論文
2001-07-31