diff options
Diffstat (limited to '3886/CH9/EX9.20/9_20.sce')
| -rw-r--r-- | 3886/CH9/EX9.20/9_20.sce | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/3886/CH9/EX9.20/9_20.sce b/3886/CH9/EX9.20/9_20.sce new file mode 100644 index 000000000..8acc440c9 --- /dev/null +++ b/3886/CH9/EX9.20/9_20.sce @@ -0,0 +1,8 @@ +//Find second moment of inertia
+ybar=28.47 //mm
+xbar=39.21 //mm
+Ixx=((80*20^3)/36)+(80*(20/2)*(60-(2*20/3)-28.47)^2)+((80*40^3)/12)+(80*40*(28.47-20)^2)-((0.0068598*20^4)+(20^2)*(%pi/2)*(28.47-((4*20)/(3*%pi)))^2) //mm^4
+Iyy=((20*30^3)/36)+((20/2)*30*(39.21-(2*30/3))^2)+((20*50^3)/36)+(20/2)*50*(39.21-(30+50/3))^2+((40*80^3)/12)+(40*80*(39.21-40)^2)-(%pi*40^4)/(2*64)-((%pi)*(40^2)*(40-39.21)^2)/(4*2) //mm^4
+printf("\nIxx=%.2d mm^4\nIyy=%.2d mm^4",Ixx,Iyy)
+
+
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