Project

flow over bicycle

% calculation of drag froce over a bicycle

% 1. drag force vs velocity

clear all
close all
clc
% inputs
% area
a = 0.1;
% density
d = 1.2;
%velocity
v=[0:500];
%drag coefficient
cd = 0.8;

% drag force calculation
dragforce = 0.5*a*v.^2*d*cd

plot(v,dragforce)
xlabel(\'velocity\');
ylabel(\'dragforce\');
grid

% 2. ploting drag force vs drag coefficient

clear all
close all
clc
% inputs
% area
a = 0.1;
% density
d = 1.2;
%velocity
v=4;

%drag coefficient various values for various shapes
cd = linspace(0.1,1,10)

% drag force calculation
dragforce = 0.5*a*v^2*cd.*d

plot(cd,dragforce)
xlabel(\'drag coeffecient\');
ylabel(\'dragforce\');
grid on;

Ship work like this
in your own course.