diff options
Diffstat (limited to '3776/CH2/EX2.11/Ex2_11.sce')
| -rw-r--r-- | 3776/CH2/EX2.11/Ex2_11.sce | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/3776/CH2/EX2.11/Ex2_11.sce b/3776/CH2/EX2.11/Ex2_11.sce index c4e15f631..4f9a017ec 100644 --- a/3776/CH2/EX2.11/Ex2_11.sce +++ b/3776/CH2/EX2.11/Ex2_11.sce @@ -1,21 +1,26 @@ clear -mass = 4 //kg +mass = 4 //kg dist = 1 //mt freely falling distance l = 1500 //mm length of rod d = 15 //mm diameter l_ab = 6.71 //inch l_bc = 8.29 //inch -E = 200 //GPA youngs modulus +E = 200 //GPA youngs modulus k = 4.5 // N/mm stiffness costant F = mass*9.81// The force applying -Area = 3.14*(d**2)/4 -// Two cases -//youngs modulus +Area = 3.14*(d**2)/4 +// Two cases +//youngs modulus e_y = F*l/(Area*E*(10**3)) // stiffness -e_f = F/k +e_f = F/k //total e = e_y +e_f k = 1+(2/(e*(10**-3))) stress_max_1 = F*(1+(k**0.5))/Area printf("\n The maximum stress is: %0.3f MPa",stress_max_1) + +//for the rod without washer +k2 = 1+(2/(e_y*(10**-3))) +stress_max_2 = F*(1+(k2**0.5))/Area +printf("\n The maximum stress for the rod without washer is: %0.3f MPa",stress_max_2) |