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 --- 2744/CH6/EX6.6/Ex6_6.sce | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100755 2744/CH6/EX6.6/Ex6_6.sce (limited to '2744/CH6/EX6.6/Ex6_6.sce') diff --git a/2744/CH6/EX6.6/Ex6_6.sce b/2744/CH6/EX6.6/Ex6_6.sce new file mode 100755 index 000000000..c3d159985 --- /dev/null +++ b/2744/CH6/EX6.6/Ex6_6.sce @@ -0,0 +1,18 @@ +clear; +clc; +w = 550;// lb. per foot run +f = 1000;// lb/in^2 +l = 20;// feet +d_limit = 15;// inches +E = 1.5*10^6;// lb/in^2 +//central ddeflection +delta = (1/2);// inches +d = (5/24)*(f/E)*20*12/(1/(2*20*12));// inches +M = w*l*l*12/8;// lb-inches +b = M/(f*(1/6)*d^2);// inches +printf('A section with d = %d inches, b = %d inches will do.',round(d),round(b)); +f1 = (1/(2*20*12))*(d_limit/(l*12))*E/(5/24);// lb/in^2 +b = M/(f1*(1/6)*d_limit^2);// inches +printf('\n If the deapth of section is limited to %d inches, then \n f = %.1f lb/in^2\n b = %.1f inches',d_limit,f1,b); + +//tha answer is correct only, but it is approximated in the text book. -- cgit