From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 3750/CH4/EX4.2/Ex4_2.sce | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 3750/CH4/EX4.2/Ex4_2.sce (limited to '3750/CH4/EX4.2/Ex4_2.sce') diff --git a/3750/CH4/EX4.2/Ex4_2.sce b/3750/CH4/EX4.2/Ex4_2.sce new file mode 100644 index 000000000..0b407e8cd --- /dev/null +++ b/3750/CH4/EX4.2/Ex4_2.sce @@ -0,0 +1,27 @@ +//Strength Of Material By G.H.Ryder +//Chapter 4 +//Example 2 +//To calculate Percentage error in Poission's ratio +clc(); + +//Initialization of Variables +errorG=1/100; //Percentage error in determination of G +nu=0.25 //Correct value of Poission's Ratio + +//Computations + +//Gdash=(1+errorG)*G +GdashByG=1+errorG; +//G*(1+nu)=Gdash*(1+nudash) +errornu=-errorG*(1+nu)*100/nu; //approxiamate percentage error in Poission's ratio + + +//Alternative Method +//E=2*G*(1+nu) +//Since deltaE=0 as E does not vary + //0=2*deltaG*(1+nu)+2*G*deltanu +deltaGbyG=1/100; //percentage error in G +deltanu=deltaGbyG*(1+nu); //Absolute error in Poission's Ratio +errornu=-deltanu*100/nu; //percentage error in Poission's Ratio +printf("Error in Calculation in Poissions Ratio is about %.f percent",errornu) + -- cgit