From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 1898/CH6/EX6.19/Ex6_19.sce | 48 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100755 1898/CH6/EX6.19/Ex6_19.sce

(limited to '1898/CH6/EX6.19')

diff --git a/1898/CH6/EX6.19/Ex6_19.sce b/1898/CH6/EX6.19/Ex6_19.sce
new file mode 100755
index 000000000..c5d5e7907
--- /dev/null
+++ b/1898/CH6/EX6.19/Ex6_19.sce
@@ -0,0 +1,48 @@
+clear all; clc;
+
+disp("Scilab Code Ex 6.19 : ")
+
+//Given:
+theta = 30*(%pi/180);
+M = 15; //kNm
+My = M*cos(theta); 
+Mz = M*sin(theta); 
+b = 0.1; //m
+t1 = 0.04;//m
+t2 = 0.03;//m
+
+
+//Section Properties:
+y1 = b/2;
+y2 = b + t2/2;
+A1 = (b*t1);
+A2 = (b*2*t2);
+z_bar = (y1*A1 + y2*A2)/(A1+A2);
+
+Iz = (1/12)*(b*t1^3) + (1/12)*(t2*(2*b)^3);
+Iy = (1/12)*(t1*b^3) + b*t1*(z_bar - y1)^2 + (1/12)*(2*b*t2^3) + 2*b*t2*(y2 - z_bar)^2;
+
+//Maximum Bending Stress:
+l_b = b+t2 - z_bar;
+sigma_B = (-Mz*1000*(-b))/Iz + (My*1000*(l_b))/Iy;
+sigma_B = sigma_B/10^6;
+sigma_C = (-Mz*1000*(t1/2))/Iz + (My*1000*(-z_bar))/Iy;
+sigma_C = sigma_C/10^6;
+
+sigma = max(abs(sigma_B),abs(sigma_C));
+
+//Orientation of the nuetral axis:
+theta1 = 60*(%pi/180);
+alpha = atan((Iz/Iy)*tan(theta1));
+alpha = alpha*(180/%pi);
+
+//Display:
+
+    
+ printf("\n\nThe maximum normal stress in the beam = %1.2f MPa',sigma);
+ printf("\n The orientation of the nuetral axis = %1.1f degrees',alpha);
+ 
+ //------------------------------------------------------------------------END---------------------------------------------------------------------------------------
+
+
+
-- 
cgit