Auto body Structures
Auto body Structures
Embedded Files
Optimization of a thin-walled section of the motor compartment rail of a standard automobile to meet structure requirements and constraints including spatial constraints and manufacturing constraints and minimize the mass of the section using the GAS 2.0 software
The rectangular baseline design of the motor compartment rail section was modeled in the GAS 2.0 software. A total of 12 iterations were carried to optimize the design of the section, such that it met the requirements for minimum strength for axial load and minimum strength and stiffness for bending load. The iteration process involved adding of beads and corner radii to the section, changing the material for different parts of the section and adding of stiffener to strengthen the weak parts of the section. The section was optimized to minimize the mass of the compartment rail and meet the requirements for Design for Manufacturing (DFM). Effective width analysis was conducted to test the section for both the axial and bending load scenarios
Baseline Design of Rail Section
Final Optimized Design of Rail Section
Length of Line Analysis
Length of Line Analysis
The length-of-line analysis was conducted to evaluate the elongation properties of the material used in the design of the rail section. The right side part of the section was considered, based on the number of beads in that section, for this analysis. The stretch of the material was less when compared to the acceptable stretch for stamping process implying that the material elongation requirement have been met for this section
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