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| author | prashantsinalkar | 2018-02-03 11:01:52 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2018-02-03 11:01:52 +0530 |
| commit | 7bc77cb1ed33745c720952c92b3b2747c5cbf2df (patch) | |
| tree | 449d555969bfd7befe906877abab098c6e63a0e8 /3886/CH9/EX9.13 | |
| parent | d1e070fe2d77c8e7f6ba4b0c57b1b42e26349059 (diff) | |
| download | Scilab-TBC-Uploads-7bc77cb1ed33745c720952c92b3b2747c5cbf2df.tar.gz Scilab-TBC-Uploads-7bc77cb1ed33745c720952c92b3b2747c5cbf2df.tar.bz2 Scilab-TBC-Uploads-7bc77cb1ed33745c720952c92b3b2747c5cbf2df.zip | |
Diffstat (limited to '3886/CH9/EX9.13')
| -rw-r--r-- | 3886/CH9/EX9.13/9_13.sce | 19 | ||||
| -rw-r--r-- | 3886/CH9/EX9.13/9_13.txt | 6 |
2 files changed, 25 insertions, 0 deletions
diff --git a/3886/CH9/EX9.13/9_13.sce b/3886/CH9/EX9.13/9_13.sce new file mode 100644 index 000000000..ad31e5007 --- /dev/null +++ b/3886/CH9/EX9.13/9_13.sce @@ -0,0 +1,19 @@ +//Polar moment of inertia
+//Refer fig.9.38
+//section can be divided into three triangles
+A1=80*12 //mm^2
+A2=(150-22)*12 //mm^2
+A3=120*10 //mm^2
+A=A1+A2+A3 //mm^2
+Ixx=((80*12^3)/12)+(960*74.22^2)+((12*128^3)/12)+(1536*4.22^2)+((120*10^3)/12)+(1200*64.78^2) //mm^4
+Iyy=((12*80^3)/12)+((128*12^3)/12)+((10*120^3)/12) //mm^4
+//Polar moment of Inertia (Izz)
+Izz=Ixx+Iyy //mm^4
+kxx=sqrt(Ixx/A) //mm
+Kyy=sqrt(Iyy/A) //mm The answer provided in the textbook is wrong
+printf("\nIzz=%.2d mm^4\nkxx=%.2f mm\nkyy=%.2f mm",Izz,kxx,kyy)
+
+
+
+
+
diff --git a/3886/CH9/EX9.13/9_13.txt b/3886/CH9/EX9.13/9_13.txt new file mode 100644 index 000000000..553fb7d87 --- /dev/null +++ b/3886/CH9/EX9.13/9_13.txt @@ -0,0 +1,6 @@ +
+--> exec('E:\My program EM\9. Centroid and moment of inertia\9.13.sce', -1)
+
+Izz=14440459 mm^4
+kxx=58.09 mm
+kyy=31.21 mm
\ No newline at end of file |