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The collaborative design team considered
how to design the triangular support frame with two objectives --
- Keeping the tensile stresses in
critical sections below the calculated stresses in the original welded
design.
- Minimizing the weight of the overall
casting to keep production costs down and save weight on the truck.
The critical tool in this design
effort was Finite Element Analysis (FEA) which was used to
determine tensile stresses in different designs.
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