Week 1 - Flow over Bicycle

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% Calculation of drag with varrying velocityclear allclose allclc% formaula = Drag force = 0.5*Cd*rho*A*V^2% Fd in newton% rho (density)of air in kg/mm^3% A - projected/frontal area in m^2% V - velocity in m/s% C_d - drag coefficient% inputsA = 0.5;   % frontal arearho = 1.2; % air densityC_d = 0.8;  % drag coefficienntV = [0:0.05:5]; % velocity is varrying  0 to 5 m/s% Drag calculationF_d = 0.5*V.^2*C_d*rho*A;% diplay of outputdisp(F_d);% plot Drag_force vs. Vplot(V,F_d,'linewidth',2,'color','g');xlabel('velocity m/s');ylabel('Drag Force N');grid on% Calculation of drag with varrying drag coefficientclear allclose allclc% formaula = Drag force = 0.5*Cd*rho*A*V^2% Fd in newton% rho (density)of air in kg/mm^3% A - projected/frontal area in m^2% V - velocity in m/s% Cd - drag coefficient% inputsA = 0.5;   % frontal arearho = 1.2; % air densityV = 0.8;  % velocityC_d = [0:0.01:0.95]; %  drag coefficient from 0 to 0.95% Drag calculationF_d = 0.5*V^2*C_d.*rho*A;% diplay of outputdisp(F_d);% plot Drag_force vs. Vplot(C_d,F_d,'linewidth',2,'color','g');xlabel('C_d');ylabel('Drag Force N');grid on

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https://drive.google.com/open?id=11TpKbbQ8SD5_InshYZdQzVXGiegJEivi