Light Truck Frame Joint Stiffness Study Phase 1 Final Report
Light Truck Frame Joint Stiffness Study Phase 1 Final Report
Light Truck Frame Joint Stiffness Study Phase 1 Final Report
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JOINT STIFFNESS TOOLBOX<br />
<strong>Joint</strong> #5: Hat Section to Box Section<br />
<strong>Stiffness</strong> Calculations<br />
Input (mm)<br />
Test Design Window<br />
Design Variables (mm) Case 1 Case 2 <strong>Joint</strong> Min (mm) Max (mm)<br />
Thickness<br />
Crossmember Thickness 2.5 2.5 2.5 2 6<br />
Inner Rail Thickness 2.5 2.5 2.5 2 6<br />
Outer Rail Thickness 2.5 2.5 2.5 2 6<br />
Shape<br />
Animations Shape Variables (mm)<br />
animations\JCrossmember Height 65 65 65 45 85<br />
animations\JWeld Flange Width 15 15 15 10 30<br />
animations\JSide Rail Height 210 210 210 190 230<br />
animations\JUpper Flange Width 18 18 18 10 45<br />
animations\JCrossmember Width 110 110 110 90 130<br />
animations\JSide Rail Width 65 65 65 55 75<br />
Output<br />
Loading<br />
Animations <strong>Stiffness</strong> Calculations Case 1 Case 2<br />
Test<br />
<strong>Joint</strong><br />
Units<br />
animations\JBending <strong>Stiffness</strong> (Mx) 0.773 0.773 0.773 kN-m/deg<br />
animations\JTorsion <strong>Stiffness</strong> (My) 1.318 1.318 1.318 kN-m/deg<br />
animations\JFore/Aft <strong>Stiffness</strong> (Mz) 0.995 0.995 0.995 kN-m/deg<br />
Mass 6.053 6.053 6.053 kg<br />
Yellow cells are user input data.<br />
Red cells are calculated numbers.<br />
Figure 40: <strong>Joint</strong> 5 <strong>Joint</strong> <strong>Stiffness</strong> Toolbox Spreadsheet<br />
Input and Calculated Results<br />
<strong>Report</strong>: A/SP-005-1 <strong>Light</strong> <strong>Truck</strong> <strong>Frame</strong> <strong>Joint</strong> <strong>Stiffness</strong> <strong>Study</strong> 67
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