diff options
Diffstat (limited to '3776/CH6/EX6.3/Ex6_3.sce')
| -rw-r--r-- | 3776/CH6/EX6.3/Ex6_3.sce | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/3776/CH6/EX6.3/Ex6_3.sce b/3776/CH6/EX6.3/Ex6_3.sce new file mode 100644 index 000000000..857811d33 --- /dev/null +++ b/3776/CH6/EX6.3/Ex6_3.sce @@ -0,0 +1,18 @@ +clear +//Given +//Entire area - hallow area +l_e = 60.0 //mm - length of the entire area +b_e = 40 //mm - width of the entire area +l_h = 30 //mm - length of the hallow area +b_h = 20 //mm - width of the hallow area +A_e = l_e*b_e //mm2 - The entire area +A_h = -l_h*b_h //mm2 - The hallow area '-' because its hallow +A_re = A_e + A_h //mm2 resultant area +y_e = l_e/2 // mm com from bottom +y_h = 20+l_h/2 //mm com from bottom +y_com = (A_e*y_e + A_h*y_h)/A_re +//moment of inertia caliculatins - bh3/12 +ad2 +I_e = b_e*(l_e**3)/12 + A_e*((y_e-y_com)**2) //Parallel axis theorm +I_h = b_h*(l_h**3)/12 - A_h*((y_h-y_com)**2) //Parallel axis theorm +I_total = I_e - I_h +printf("\n The moment of inertia of total system is %e mm^4",I_total) |