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Diffstat (limited to '698/CH2/EX2.12/12_stresses_in_locomotive.txt')
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1 files changed, 27 insertions, 0 deletions
diff --git a/698/CH2/EX2.12/12_stresses_in_locomotive.txt b/698/CH2/EX2.12/12_stresses_in_locomotive.txt new file mode 100644 index 000000000..21d9fdffa --- /dev/null +++ b/698/CH2/EX2.12/12_stresses_in_locomotive.txt @@ -0,0 +1,27 @@ +The angular speed of wheels is 29.3 rad/s
+All points on the side rod have a downward acceleration ap
+The locomotive is moving with uniform velocity, therefore acceleration ao=0
+
+ ap=ao+apo
+ =apo=322.51m/s^2
+
+Inertia force acting upward on the rod, Fi=58051.15 N
+
+Net force acting upward on the rod, Fup=56285.35 N
+
+Axial force F can be determined by assuming rear wheel
+and rod as free bodies and taking moments about centre of wheel.
+ Cl*F= Et*R
+The axial force F is 109800.00 N
+
+Maximum bending moment for simple beam carrying unifornmly distributed load is
+ (W*L)/8
+
+Normal Stress
+ Sx= (P/A) + (M*c)/I
+
+The maximum normal stress is
+ Sn_max = Sx = 59.8 MN/m^2
+
+The maximum shear stress is
+ Tmax = Sx/2 = 29.9 MN/m^2
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