16.810 Engineering Design and Rapid PrototypingRequirementsDesign EvolutionAnalysis, Testing, Final Design16.810 Engineering Design and Rapid Prototyping Acrobatic Bike Design – Team 8 Chris Graff, Georgene Hilb Market Priorities: Structural Performance and mass Accept costRequirements Loading: F1 = F2 = F3 = 100 lbs Performance (Constrain): 0.063mm Fork Deflection, 0.01mm Saddle Deflection 632.2 Hz Natural Frequency Mass (Optimize): 0.40 lbs (Original: 0.16 lbs) Cost (Accept): Unlimited (Original: $10.40)Design EvolutionAnalysis, Testing, Final Design Table of ResultsVersion.IterationMass (kg) Disp 1 (mm) Disp 2 (mm) Freq (Hz)No. of Members CostOrig. Req 0.07273 0.06300 0.01000 632.20 $10.141 0.06350 0.22500 0.01510 424.39 5 $6.992.2 0.09310 0.15500 0.00618 458.25 10 NA2.3 0.10300 0.11980 0.01050 535.62 16 NA2.6 0.15240 0.06530 0.00833 545.50 15 NA2.7 0.16770 0.06700 0.00905 555.06 14 NA2.8 0.18414 0.05320 0.00636 551.24 23 NA2.9 0.18260 0.05490 0.00733 571.99 24 NA2.10 0.18323 0.05410 0.00735 578.35 27 NA2.11 0.18200 0.05400 0.00690 586.16 32 NA2.12 0.17660 0.05690 0.00715 581.50 32 $16.89Modified Req. 0.18182 0.06300 0.01000 632.20 UnlimitedVer. 1 Test Results0.21000 0.25900 0.04100 498.00 $6.99Percent Error230.708661 15.1111111 171.523179 17.344895Ver. 2 Test Results 0.1804 0.1967 0.053425 590.60 $16.89Percent Error2.15 245.69 647.20 1.56Mass vs. Displacements0.000000.050000.100000.150000.200000.250000.00000 0.05000 0.10000 0.15000 0.20000MassDisplacementsMass vs. Disp1Mass vs.
View Full Document
Unlocking...