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부력 시뮬레이션 허승현

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OVERVIEW

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MODEL_1MODEL_2 MODEL_3 MODEL_1 VOLUME MODEL_2 VOLUME MODEL_3 VOLUME

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Enviroment 물 + 알코올 초기 비중 :

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Horizontal component Vertical component ※ Buoyant force -Archimedes’ Principle Area A: Top area of Parallelepiped H1H1 H2H2 Y1Y1 Y2Y2 YcYc A DC B Equation

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F B 의 위치 결정 : D 위치 (x 축 ) 에 대한 모멘트 식 : Area A: Top area of Parallelepiped H1H1 H2H2 Y1Y1 Y2Y2 YcYc A DC B Total Volume of a parallelepiped,V T

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Y1Y1 : Center of Total Volume YCYC : Center of Displaced Volume Y2Y2 : Center of Fluid volume in parallelepiped ∴ Y C : y coordinate of the centroid of displaced Volume V ∴ X C : x coordinate of the centroid of displaced Volume V

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Stability of Floating bodies - Stable : 약간의 변화에도 원래의 위치로 돌아오는 것. - UnStable : 변화가 있으면 새로운 평형지점으로 움직이는 것. STABLE : CG >> Above C B UnStable

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Floating bodies F B = W = mg 부표 무게 중심의 추 m 무게 결정

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Matlab Simulation -1 번. 에탄올 질량감소에 따른 부표의 높이차이. (3 모델 ) - 2 번

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Floating and Sinking. Buoyancy When you pick up an object underwater it seems much lighter due to the upward force that water and other fluids exert known.

Floating and Sinking. Buoyancy When you pick up an object underwater it seems much lighter due to the upward force that water and other fluids exert known.

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