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/EX7.1.b/result7_1.txt | 28 ++++++++++++++++++++++++++++ 764/CH7/EX7.1.b/solution7_1.sce | 29 +++++++++++++++++++++++++++++ 2 files changed, 57 insertions(+) create mode 100755 764/CH7/EX7.1.b/result7_1.txt create mode 100755 764/CH7/EX7.1.b/solution7_1.sce (limited to '764/CH7/EX7.1.b') diff --git a/764/CH7/EX7.1.b/result7_1.txt b/764/CH7/EX7.1.b/result7_1.txt new file mode 100755 index 000000000..196e3188c --- /dev/null +++ b/764/CH7/EX7.1.b/result7_1.txt @@ -0,0 +1,28 @@ +-->//(Threaded Joints) Example 7.1 + +-->//Refer Fig.7.13 on page 232 + +-->//Weight of electric motor P (kN) + +-->P = 10 + P = + + 10. + +-->//Yield tensile strength of 30C8 Syt (N/mm2) + +-->Syt = 400 + Syt = + + 400. + +-->//Factor of safety fs + +-->fs = 6 + fs = + + 6. + + +Standard size of the bolt is M20 + \ No newline at end of file diff --git a/764/CH7/EX7.1.b/solution7_1.sce b/764/CH7/EX7.1.b/solution7_1.sce new file mode 100755 index 000000000..aedd4a6b7 --- /dev/null +++ b/764/CH7/EX7.1.b/solution7_1.sce @@ -0,0 +1,29 @@ + +//Function to standardise the given bolt-size +function[v] = standard(w) + v = ceil(w) + rem = pmodulo(v,10) + if (rem ~= 0) then + v = v + (10 - rem) + end +endfunction + +//Obtain path of solution file +path = get_absolute_file_path('solution7_1.sce') +//Obtain path of data file +datapath = path + filesep() + 'data7_1.sci' +//Clear all +clc +//Execute the data file +exec(datapath) +//Calculate permissible tensile stress sigmat (N/mm2) +sigmat = Syt/fs +//Calculate the core diameter of the eye-bolt dc (mm) +dc = ((4 * P * 1000)/(%pi * sigmat))^(1/2) +//use equation 7.4 +//Calculate the nominal diameter d (mm) +d = dc/0.8 +//Standardise the bolt size from Table 7.1 +d = standard(d) +//Print results +printf('\nStandard size of the bolt is M%d\n',d) -- cgit