The City College of New York Department of Mechanical Engineering Assembly and Analysis of Collectors Edition Chevy Impala Group Members: Dave Maharaj Okason Morrison Alexandra Ortiz

ME 371: Computer Aided Design The City College of New York Department of Mechanical Engineering Overview  Background  Analyzed Parts  Pro/Engineering 3-D Pictures  Finite Element Analysis  Challenges  Improvements

ME 371: Computer Aided Design The City College of New York Department of Mechanical EngineeringBackground  Analyze Collector Edition Chevy Impala to determine the failure of different parts  Disassemble original Chevy Impala to measure individual parts  Create 3-D simplified models utilizing Pro/Engineering  Perform Finite Element Analysis to find: –Maximum Von Mises Stress –Maximum Displacement Magnitude

ME 371: Computer Aided Design The City College of New York Department of Mechanical Engineering Pro/engineering 3-D Pictures

ME 371: Computer Aided Design The City College of New York Department of Mechanical Engineering Pro/engineering 3-D Pictures (Cont.)

ME 371: Computer Aided Design The City College of New York Department of Mechanical Engineering Pro/engineering 3-D Pictures (Cont.)

ME 371: Computer Aided Design The City College of New York Department of Mechanical Engineering Pro/engineering 3-D Pictures (Cont.)

ME 371: Computer Aided Design The City College of New York Department of Mechanical Engineering Pro/engineering 3-D Pictures (Cont.)

ME 371: Computer Aided Design The City College of New York Department of Mechanical Engineering Finite Element Analysis  Loads –50lb  Materials –Polyethylene 0.05 Seat Sensitivity Study:

ME 371: Computer Aided Design The City College of New York Department of Mechanical Engineering Finite Element Analysis (cont.) Seat Von Mises Stress:

ME 371: Computer Aided Design The City College of New York Department of Mechanical Engineering Finite Element Analysis (cont.) Seat Deformation: in

ME 371: Computer Aided Design The City College of New York Department of Mechanical Engineering Finite Element Analysis (Cont.)  Material –Die Cast Zinc  Load –50lb Mirror Sensitivity Analysis:

ME 371: Computer Aided Design The City College of New York Department of Mechanical Engineering Finite Element Analysis (Cont.) Mirror Von Mises Stress:

ME 371: Computer Aided Design The City College of New York Department of Mechanical Engineering Finite Element Analysis (Cont.) Mirror Deformation:

ME 371: Computer Aided Design The City College of New York Department of Mechanical Engineering Finite Element Analysis (Cont.)  Material –Polyethylene  Load –50lb Steering Wheel Sensitivity Study:

ME 371: Computer Aided Design The City College of New York Department of Mechanical Engineering Finite Element Analysis (Cont.) Steering Wheel Von Mises Stress:

ME 371: Computer Aided Design The City College of New York Department of Mechanical Engineering Finite Element Analysis (Cont.) Steering Wheel Deformation:

ME 371: Computer Aided Design The City College of New York Department of Mechanical Engineering Finite Element Analysis (Cont.) Strength Comparison

ME 371: Computer Aided Design The City College of New York Department of Mechanical EngineeringChallenges  Small Dimension  Finite Element Analysis resulted in fatal error for assemble parts  Finite Element Analysis would not converge  Redefine Meshes

ME 371: Computer Aided Design The City College of New York Department of Mechanical EngineeringImprovements  Change Material  Modify Design  Change Size of Failed part

ME 371: Computer Aided Design The City College of New York Department of Mechanical EngineeringConclusion