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 --- 3776/CH1/EX1.1/Ex1_1.sce | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 3776/CH1/EX1.1/Ex1_1.sce (limited to '3776/CH1/EX1.1/Ex1_1.sce') diff --git a/3776/CH1/EX1.1/Ex1_1.sce b/3776/CH1/EX1.1/Ex1_1.sce new file mode 100644 index 000000000..f0d2002bc --- /dev/null +++ b/3776/CH1/EX1.1/Ex1_1.sce @@ -0,0 +1,27 @@ +clear +//Given +// +d_bolt = 20.0 //mm,diameter,This is not the minimum area +d_bolt_min = 16.0 //mm This is at the roots of the thread +//This yealds maximum stress +A_crossection = (%pi)*(d_bolt**2)/4 //sq.mm +A_crossection_min = (%pi)*(d_bolt_min**2)/4 //sq.mm ,This is minimum area which yeilds maximum stress +load1 = 10.0 //KN +BC = 1.0 //m +CF = 2.5 //m +contact_area = 200*200 // sq.mm , The contact area at c + +//caliculations +//Balancing forces in the x direction: +// Balncing the moments about C and B: +Fx = 0 +R_cy = load1*(BC+CF) //KN , Reaction at C in y-direction +R_by = load1*(CF) //KN , Reaction at B in y-direction +//Because of 2 bolts +stress_max = (R_by/(2*A_crossection_min))*(10**3) // MPA,maximum stess records at minimum area +stress_shank = (R_by/(2*A_crossection))*(10**3) // MPA +Bearing_stress_c = (R_cy/contact_area)*(10**3) //MPA, Bearing stress at C + +printf("\n The bearing stress at C is %0.3f MPa",(Bearing_stress_c) ) +printf("\n The maximum normal stress in BD bolt is: %0.0f MPa",stress_max) +printf("\n The tensile strss at shank of the bolt is: %0.1f MPa",stress_shank) -- cgit