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

---
 764/CH7/EX7.18.a/data7_18.sci | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100755 764/CH7/EX7.18.a/data7_18.sci

(limited to '764/CH7/EX7.18.a/data7_18.sci')

diff --git a/764/CH7/EX7.18.a/data7_18.sci b/764/CH7/EX7.18.a/data7_18.sci
new file mode 100755
index 000000000..ff13e3369
--- /dev/null
+++ b/764/CH7/EX7.18.a/data7_18.sci
@@ -0,0 +1,30 @@
+
+//(Threaded Joints) Example 7.18
+//Refer Fig.7.35 on page 256
+//Maximum force acting on the assembly Pmax (kN)
+Pmax = 10
+//Minimum force acting on the assembly Pmin (kN)
+Pmin = 0
+//Yield tensile strength of 45C8 Syt (N/mm2)
+Syt = 380
+//Ultimate tensile strength of 45C8 Sut (N/mm2)
+Sut = 630
+//Young's modulus of the plain carbon steel E1 (N/mm2)
+E1 = 207000
+//Young's modulus of aluminium E2 (N/mm2)
+E2 = 71000
+//Fatigue stress concentration factor Kf
+Kf = 2.2
+//Expected reliability (%)
+reliability = 90
+//Initial pre-load in the bolt Pi (kN)
+Pi = 5
+//Factor of safety fs
+fs = 2
+//Length of the bolt l (mm)
+l = 25 + 25
+//Assume diameter of the bolt to be less than 7.5mm for Kb to be 1
+d = 1
+//As Ka is incorporated into Kf, assume the assembly to be ground
+//This is just to obtain a random value of Ka
+op = 1
\ No newline at end of file
-- 
cgit