initial commit / add all books

1 files changed, 36 insertions, 0 deletions

diff --git a/3774/CH4/EX4.2/Ex4_2.sce b/3774/CH4/EX4.2/Ex4_2.sce
new file mode 100644
index 000000000..0660587a9
--- /dev/null
+++ b/3774/CH4/EX4.2/Ex4_2.sce
@@ -0,0 +1,36 @@
+// exa 4.2 Pg 104
+clc;clear;close;
+
+// Given Data
+rBYd=0.1;
+DBYd=1.2;
+P=3;// kN
+Syt=300;//MPa
+n=3;// factor of safety
+//dimensions of plate
+l1=400;//mm
+l2=300;//mm
+l3=400;//mm
+
+
+sigma_d=Syt/n;// MPa
+Kt=1.65;// factor for circular fillet radius member
+Rp=P/2;//kN (bearing reaction due to symmetry)
+Mf=Rp*l1;// kN.mm (bending moment at fillet)
+Mc=P*(l1+l2+l3)/4;// kN.mm (bending moment at centre)
+
+//Fillet
+//sigma_max=Kt*32*Mf/(%pi*d**3)
+sigma_max_into_d_cube_1 = Kt*32*Mf*1000/%pi
+
+
+//Centre
+//sigma_max=32*Mc/(%pi*d**3)
+sigma_max_into_d_cube_2 = Kt*32*Mf*1000/%pi
+sigma_max_into_d_cube=max(sigma_max_into_d_cube_1,sigma_max_into_d_cube_2);// (getting max)
+
+//putting sigma_max=sigma_d
+t=(sigma_max_into_d_cube/sigma_d)**(1/3);// mm
+printf('\n Diameter of axle = %.1f mm',t)
+
+