diff options
Diffstat (limited to '3886/CH9/EX9.16')
| -rw-r--r-- | 3886/CH9/EX9.16/9_16.sce | 7 | ||||
| -rw-r--r-- | 3886/CH9/EX9.16/9_16.txt | 3 |
2 files changed, 10 insertions, 0 deletions
diff --git a/3886/CH9/EX9.16/9_16.sce b/3886/CH9/EX9.16/9_16.sce new file mode 100644 index 000000000..eefe5eedd --- /dev/null +++ b/3886/CH9/EX9.16/9_16.sce @@ -0,0 +1,7 @@ +//Moment of inertia
+//refer fig.9.41
+sumAiyi=250*10*5+2*40*10*(10+20)+40*10*(10+5)+40*10*255+250*10*(10+125) //mm^3
+A=2*250*10+40*10*4 //mm^2
+ybar=sumAiyi/A
+Ixx=((250*10^3)/12)+(250*10*(73.03-5)^2)+(((10*40^3)/12)+40*10*(73.03-30)^2)*2+((40*10^3)/12)+40*10*(73.03-15)^2+((10*250^3)/12)+250*10*(73.03-135)^2+((40*10^3)/12)+40*10*(73.03-255)^2 //mm^4
+printf("Ixx=%.2d mm^4",Ixx)
diff --git a/3886/CH9/EX9.16/9_16.txt b/3886/CH9/EX9.16/9_16.txt new file mode 100644 index 000000000..60165db26 --- /dev/null +++ b/3886/CH9/EX9.16/9_16.txt @@ -0,0 +1,3 @@ +
+--> exec('E:\My program EM\9. Centroid and moment of inertia\9.16.sce', -1)
+Ixx=50399393 mm^4
\ No newline at end of file |