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 --- 3289/CH8/EX8.3/Ex8_3.sce | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100755 3289/CH8/EX8.3/Ex8_3.sce (limited to '3289/CH8/EX8.3') diff --git a/3289/CH8/EX8.3/Ex8_3.sce b/3289/CH8/EX8.3/Ex8_3.sce new file mode 100755 index 000000000..cc50373ac --- /dev/null +++ b/3289/CH8/EX8.3/Ex8_3.sce @@ -0,0 +1,23 @@ +clc + +a=0.15 //m +b=0.2 //m +c=0.25 //m +E=200*10^9 //Pa +delta=0.0001 //m +140 //MPa + +p=((E*delta)/8)*(((b^2-a^2)*(c^2-b^2))/(2*(b^2)*(c^2-a^2))) +disp(p,"the contact pressure in Pa is= ") // textbook ans is wrong + +p=12.3*10^6 +sigmatheta=p*((b^2+c^2)/(c^2-b^2)) // where r=0.2 +disp(sigmatheta,"tangential stresses in the outer cylinder in Pa is= ") +sigmatheta1=(2*p*b^2)/(c^2-b^2) // where r=0.25 +disp(sigmatheta1,"tangential stresses in the outer cylinder in Pa is= ") +sigmatheta3=-(2*p*b^2)/(b^2-a^2) // where r=0.15 +disp(sigmatheta3,"tangential stresses in the inner cylinder in Pa is= ") +sigmatheta4=-p*((b^2+a^2)/(b^2-a^2)) // where r=0.2 +disp(sigmatheta4,"tangential stresses in the inner cylinder in Pa is= ") + + -- cgit