From 7bc77cb1ed33745c720952c92b3b2747c5cbf2df Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Sat, 3 Feb 2018 11:01:52 +0530
Subject: Added new code

---
 3864/CH4/EX4.20/Ex4_20.sce | 48 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 3864/CH4/EX4.20/Ex4_20.sce

(limited to '3864/CH4/EX4.20/Ex4_20.sce')

diff --git a/3864/CH4/EX4.20/Ex4_20.sce b/3864/CH4/EX4.20/Ex4_20.sce
new file mode 100644
index 000000000..f4733fccf
--- /dev/null
+++ b/3864/CH4/EX4.20/Ex4_20.sce
@@ -0,0 +1,48 @@
+clear
+//
+
+//Initilization of Variables
+
+//flanges
+b=200 //mm //width
+t1=25 //mm //Thickness
+
+//web
+d=450 //mm //Depth 
+t2=20 //mm //thickness
+
+D=500 //mm //Total Depth of section
+
+//Calculations
+
+//Moment Of Inertia of the section about N-A
+I=1*12**-1*b*D**3-1*12**-1*(b-t2)*d**3 //mm**4
+
+//Consider an element in the web at distance y from y from N-A
+//Depth of web section=225-y
+
+//C.G From N-A
+//y2=y+(((D*2**-1-t)-y)*2**-1)
+
+//ay_bar for section at y
+//Let ay_bar be X
+//X=X1 be of Flange + X2 be of web above y
+//X=b*t1*(D*2**-1-t1*2**-1)+t2*(d-t1)*(d-t1+y)*2**-1
+//After Sub values and Further simplifying we get
+//X=1187500+10*(225**2-y**2)
+
+//Shear stress at y
+//sigma_y=F*(X)*(t2*I)**-1
+
+//Shear Force resisted by the Element
+//F1=F*X*t2*dy*(t2*I)**-1
+
+//Shear stress resisted by web 
+//sigma=2*F*I**-1*(X)*dy
+
+//After Integrating above equation and further simplifying we get
+//sigma=0.9578*F
+
+sigma=0.9578*100
+
+//Result
-- 
cgit