diff options
Diffstat (limited to '3886/CH9/EX9.10')
| -rw-r--r-- | 3886/CH9/EX9.10/9_10.sce | 13 | ||||
| -rw-r--r-- | 3886/CH9/EX9.10/9_10.txt | 6 |
2 files changed, 19 insertions, 0 deletions
diff --git a/3886/CH9/EX9.10/9_10.sce b/3886/CH9/EX9.10/9_10.sce new file mode 100644 index 000000000..af8e232a5 --- /dev/null +++ b/3886/CH9/EX9.10/9_10.sce @@ -0,0 +1,13 @@ +//Moment of inertia of L-section
+//Divide the section into two rectangles A1 and A2
+A1=125*10 //mm^2
+A2=75*10 //mm^2
+A=A1+A2 //mm^2
+xbar=((1250*5)+750*(10+75/2))/A //mm
+ybar=((1250*125/2)+(750*5))/A //mm
+Ixx=((10*125^3)/12)+(1250*21.56^2)+((75/12)*10^3)+(750*39.94^2) //mm^4
+Iyy=((125*10^3)/12)+(1250*15.94^2)+((10*75^3)/12)+(750*26.56^2) //mm^4
+Izz=Ixx+Iyy //mm^4
+printf("\nIxx=%.2f mm^4\nIyy=%.2f mm^4\nIzz=%.2f mm^4",Ixx,Iyy,Izz)
+
+
diff --git a/3886/CH9/EX9.10/9_10.txt b/3886/CH9/EX9.10/9_10.txt new file mode 100644 index 000000000..78517996d --- /dev/null +++ b/3886/CH9/EX9.10/9_10.txt @@ -0,0 +1,6 @@ +
+--> exec('E:\My program EM\9. Centroid and moment of inertia\9.10.sce', -1)
+
+Ixx=3411298.87 mm^4
+Iyy=1208658.87 mm^4
+Izz=4619957.73 mm^4
\ No newline at end of file |