Light Truck Frame Joint Stiffness Study Phase 1 Final Report

JOINT STIFFNESS TOOLBOX
Joint #2: Box to Lipped Channel
Stiffness Calculations
Input (mm)
Test Design Window
Design Variables (mm) Case 1 Case 2 Joint Min (mm) Max (mm)
Thickness
Inner Side Rail Thickness 3 3 3 2 6
C Channel Rail Thickness 3.7 3.7 3.7 2 6
Crossmember Thickness 3 3 3 2 6
Crossmember Plate Thickness 3 3 3 2 6
End Rail Square Thickness 3 3 3 2 6
Shape
Animations Shape Variables (mm)
animations\JCrossmember Width 110 110 110 80 120
animations\JSide Rail Height 160 160 160 100 200
animations\JCrossmember End Height 95 95 95 75 200
animations\JSide Rail Width 65 65 65 50 100
animations\JCrossmember Plate Flange Width 40 40 40 20 60
Output
Loading
Animations Stiffness Calculations Case 1 Case 2
Test
Joint
Units
animations\JKx Bending Stiffness (Mx) 40.944 40.944 40.944 kN-m/deg
animations\JKy Torsion Stiffness (My) 79.040 79.040 79.040 kN-m/deg
animations\JKz Fore/Aft Stiffness (Mz) 54.162 54.162 54.162 kN-m/deg
Mass 7.007 7.007 7.007 kg
Yellow cells are user input data.
Red cells are calculated numbers.
Figure 34: Joint 2 Joint Stiffness Toolbox Spreadsheet
Input and Calculated Results
Report: A/SP-005-1 Light Truck Frame Joint Stiffness Study 61