diff options
Diffstat (limited to '3886/CH9/EX9.11')
| -rw-r--r-- | 3886/CH9/EX9.11/9_11.sce | 11 | ||||
| -rw-r--r-- | 3886/CH9/EX9.11/9_11.txt | 6 |
2 files changed, 17 insertions, 0 deletions
diff --git a/3886/CH9/EX9.11/9_11.sce b/3886/CH9/EX9.11/9_11.sce new file mode 100644 index 000000000..7ecc83b92 --- /dev/null +++ b/3886/CH9/EX9.11/9_11.sce @@ -0,0 +1,11 @@ +//Moment of inertia of I section
+//Refer fig. 9.36
+A1=200*9 //mm^2
+A2=(250-9*2)*6.7 //mm^2
+A3=200*9 //mm^2
+A=A1+A2+A3 //mm^2
+Ixx=((200*9^3)/12)+(1800*120.5^2)+((6.7*232^3)/12)+(0)+((200*9^3)/12)+(1800*120.5^2) //mm^4
+Iyy=((9*200^3)/12)+((232*6.7^3)/12)+((9*200^3)/12) //mm^4
+Izz=Ixx+Iyy //mm^4
+printf("\nIxx=%.2f mm^4\nIyy=%.2f mm^4\nIzz=%.2f mm^4",Ixx,Iyy,Izz)
+//The answers vary due to round off error
diff --git a/3886/CH9/EX9.11/9_11.txt b/3886/CH9/EX9.11/9_11.txt new file mode 100644 index 000000000..7646a75cc --- /dev/null +++ b/3886/CH9/EX9.11/9_11.txt @@ -0,0 +1,6 @@ +
+--> exec('E:\My program EM\9. Centroid and moment of inertia\9.11.sce', -1)
+
+Ixx=59269202.13 mm^4
+Iyy=12005814.75 mm^4
+Izz=71275016.88 mm^4
\ No newline at end of file |