Steven Hiu (“CJ”) 02/07/2008 Structural Analysis Model Analysis Team Function Code Structural Sizing & Optimization AAE 450 Spring 2008.

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Presentation transcript:

Steven Hiu (“CJ”) 02/07/2008 Structural Analysis Model Analysis Team Function Code Structural Sizing & Optimization AAE 450 Spring 2008

Structural Sizing Matlab function call (Brandon White, CJ Hiu) Automated Tank Size and Weight Calculations tank material & propellant type insulation Sanity Checks wall thicknesses tank aspect ratio automatic shape control Interoperability with Prop & master code (Yaple, Bluestone, Wilcox, Lattibeaudaire, Schwing, Rhodes) AAE 450 Spring 2008 Structures

Findings Future Work Cryogenic Tanks problematic Carbon Fiber attractive? Steel unattractive Future Work Cost function calls (David Childer) Advanced Tank Options – Compound/Tandem/Carbon Wound Tank & Interstage internal structures (Structures Group internal division) Engine Masses MAT Teams to crunch through permutations AAE 450 Spring 2008 Structures

References NASA, External Tank Thermal Protection System, Apr 2005 Denaro et al., Development on Cryogenic Insulations for Reusable Launchers, AIAA 2005-3436 Acknowledgements Brandon White, for v0.0 MATLAB structures code Propulsion coders (Yaple, Bluestone, Wilcox, Lattibeaudaire) Alan Schwing and Justin Rhodes for master function Molly Kane for Structures Group Materials Database AAE 450 Spring 2008

Backup Slides 1 Shuttle ET Source: en.wikipedia.org AAE 450 Spring 2008 Group Name (i.e.Trajectory Optimization)

Backup Slides 2 Group Name (i.e.Trajectory Optimization) AAE 450 Spring 2008 Group Name (i.e.Trajectory Optimization)

Backup Slides 3 AAE 450 Spring 2008 24669 51.02 93361 92.49 46.08 Model Name Payload Launch Type # of Stages Delta V (m/s) GLOW (kg) Stage 1 Inert Mass Fraction Stage 2 Inert Mass Fraction Stage 3 Inert Mass Fraction Stage 1 Length Stage 2 Length Stage 3 Length SG-CA-CA-HA 0.2 Ground 3 15000 24669 0.144 0.201 0.152 51.02 34.47 7.47 SG-CS-CS-HS 93361 0.079 0.169 92.49 46.08 7.65 SG-CS-CA-HA 78443 0.196 0.117 78.30 43.68 SG-CC-CC-HA 7509 0.131 0.165 0.192 24.23 13.99 7.32 SG-CC-CA-HA 14390 0.129 0.057 25.37 35.22 8.45 SG-SA-SA-HA 29724 0.122 0.124 12.17 11.49 SG-SA-CA-HA 22737 0.138 0.195 0.088 11.64 45.84 7.88 SG-SA-CC-HA 16707 0.123 11.45 SG-HA-CA-HA 16321 0.066 8.38 SG-HA-SA-HA 20675 0.044 0.177 12.04 7.89 SG-DA-SA-HA 20954 0.029 11.58 MG-CA-CA-HA 1 25759 0.200 0.148 53.11 35.84 7.49 MG-CC-CC-HA 7839 0.163 0.186 25.14 14.45 7.34 MG-SA-SA-HA 31046 0.121 0.056 12.55 11.84 8.48 MG-SC-SC-HA 18840 0.114 11.79 7.13 MG-HA-SA-HA 21595 0.043 0.175 12.36 8.08 MG-HA-CA-HA 16896 0.065 8.50 36.63 MG-HA-SC-HA 14720 0.049 0.190 10.77 5.16 MG-HA-CC-HA 9991 LG-CA-CA-HA 5 25792 0.147 53.16 35.87 LG-CC-CC-HA 9279 29.08 16.76 7.42 LG-SA-SA-HA 34242 0.109 0.111 0.052 11.80 11.24 8.64 LG-HA-CA-HA 18130 0.062 0.199 8.71 39.41 AAE 450 Spring 2008