%Problem 5
clc; clear all;
% Ixx = b h^3/12
% Ixy = 0;
%5.1 FDEO
b2=10; %FD=EO=AB+CD
h2=2;  %DE=FO
A2=b2*h2;
Ix2y2=0;
Ix2x2=b2*h2^3/12;
I2xy=Ix2y2+(b2/2)*(h2/2)*A2
I2xx=Ix2x2+(h2/2)^2*A2
% I2xy = 100 (m^4) (D)
% I2xx = 26.6667 (m^4)

%5.2 ABCF
b1=6; %AB=CF
h1=2; %BC=AF
A1=b1*h1;
Ix1y1=0;
Ix1x1=b1*h1^3/12;
h2=2; %DE=FO
I1xy=Ix1y1+(b1/2)*(h1/2+h2)*A1
I1xx=Ix1x1+(h1/2+h2)^2*A1
% I1xy = 108 (m^4)
% I1xx = 112 (m^4) (D)

I2xy =

   100


I2xx =

  26.666666666666668


I1xy =

   108


I1xx =

   112

Published with MATLAB® 7.4