Question

An AISI 1050 HR solid tube of 30mm diameter is acted by force F1 oscillating as shown in Figure2, force F2 oscillating between 0.5kN-1.5kN, F3 = 1.2kN. The tube is welded to a larger round base by 5mm fillet weldment, the base is connected to the ground base (shown in gray color) by means of four bolts M8x1.25mm (property class of 4.8)). The bolts are evenly distributed at 30mm away from the center of the tube. R=100 120 F1 F2 R = 5 R=100 F3 D =30 120 D = 90 40 500 200 800 120 Dimensions are in mm Figure 1: Problem 1.2kN 400 Figure 2. Oscillation of force F1 Perform the following: Part I (Hint: solve this section statically for worst load case) 5- Calculate the deflection at the end of the tube in direction of force F1 using Castigliano's theorem.

          An AISI 1050 HR solid tube of 30mm diameter is acted by force F1 oscillating as shown
in Figure2, force F2 oscillating between 0.5kN-1.5kN, F3 = 1.2kN. The tube is welded
to a larger round base by 5mm fillet weldment, the base is connected to the ground
base (shown in gray color) by means of four bolts M8x1.25mm (property class of 4.8)).
The bolts are evenly distributed at 30mm away from the center of the tube.
R=100
120
F1
F2
R = 5
R=100
F3
D =30
120
D = 90
40
500
200
800
120
Dimensions are in mm
Figure 1: Problem
1.2kN
400
Figure 2. Oscillation of force F1
Perform the following:
Part I (Hint: solve this section statically for worst load case)
5- Calculate the deflection at the end of the tube in direction of force F1 using
Castigliano's theorem.

An AISI 1050 HR solid tube of 30mm diameter is acted by force F1 oscillating as shown
in Figure2, force F2 oscillating between 0.5kN-1.5kN, F3 = 1.2kN. The tube is welded
to a larger round base by 5mm fillet weldment, the base is connected to the ground
base (shown in gray color) by means of four bolts M8x1.25mm (property class of 4.8)).
The bolts are evenly distributed at 30mm away from the center of the tube.
R=100
120
F1
F2
R = 5
R=100
F3
D =30
120
D = 90
40
500
200
800
120
Dimensions are in mm
Figure 1: Problem
1.2kN
400
Figure 2. Oscillation of force F1
Perform the following:
Part I (Hint: solve this section statically for worst load case)
5- Calculate the deflection at the end of the tube in direction of force F1 using
Castigliano's theorem.

Added by Kimberly A.

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