diff options
Diffstat (limited to '3776/CH6/EX6.8/Ex6_8.sce')
| -rw-r--r-- | 3776/CH6/EX6.8/Ex6_8.sce | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/3776/CH6/EX6.8/Ex6_8.sce b/3776/CH6/EX6.8/Ex6_8.sce index 244deb69e..51d04bb08 100644 --- a/3776/CH6/EX6.8/Ex6_8.sce +++ b/3776/CH6/EX6.8/Ex6_8.sce @@ -2,20 +2,20 @@ clear //Given //Given //We will divide this into two parts -E_w = 10.0 //Gpa - Youngs modulus of wood -E_s = 200.0 //Gpa - Youngs modulus of steel +E_w = 10.0 //GPa - Youngs modulus of wood +E_s = 200.0 //GPa - Youngs modulus of steel M = 30.0 //K.N-m _ applied bending moment n = E_s/E_w l_1 = 250 //mm l_2 = 10 //mm b_1 = 150.0 //mm b_2 = 150.0*n //mm -A_1 = l_1* b_1 //mm2 - area of part_1 +A_1 = l_1* b_1 //sq.mm - area of part_1 y_1 = 125.0 //mm com distance from top -A_2 =l_2*b_2 //mm2 - area of part_1 +A_2 =l_2*b_2 //sq.mm - area of part_1 y_2 = 255.0 //mm com distance from top y_net = (A_1*y_1 +A_2*y_2)/(A_1+A_2) //mm - The com of the whole system from top -I_1 = b_1*(l_1**3)/12.0 + A_1*((y_1-y_net)**2) //Parallel axis theorm +I_1 = b_1*(l_1**3)/12.0 + A_1*((y_1-y_net)**2) //Parallel axis theorem I_2 = b_2*(l_2**3)/12.0 + A_2*((y_2-y_net)**2) I_net = I_1 + I_2 //mm4 - the total moment of inertia c_s= y_net // The maximum distance in steel |