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Contour Crafting Simulation plan for planetary infrastructure buildup Berok Khoshnevis, Anders Carlson, Neil Leach, Madhu Thangavelu University of Southern California

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  • 1. Contour Crafting Simulation plan for planetary infrastructure buildup Berok Khoshnevis, Anders Carlson, Neil Leach, Madhu Thangavelu University of Southern California

2. What is Contour Crafting? 3. A CC machine 4. Full-scale concrete structures 5. Strength of a 4-layer section 6. Supportless structures House of Brojerdi Kashan 7. Vault structure implementation by CC 8. Lunar structures 9. Planetary applications Basic infrastructure elements: Landing pad Blast protection wall Roads Shade walls Hangars Other structures: Human habitat Green house Laboratories Fuel vessels 10. Malapert Leibnitz 11. Large Lander - MALEO Site Office 12. Landing pad design 13. Landing pad, apron and blast wall 14. Road construction 15. Hangar construction 16. Sulfur Concrete 17. Infrastructure Design Environmental Forces Lander thrust Micro-meteorites Thermal issues Low thermal conductivity Regional variation Sunlit vs. shaded Diurnal Dust Vacuum Moon gravity Radiation (solar protons & galactic cosmic rays) 18. ISRU Materials: Sulfur concrete Molten regolith Tensile reinforcement Methods: Layered without formwork Infrastructure Design Materials and Methods 19. Boundary Conditions and Loadings: Lander thrust and fuel heat Solar energy Structure / regolith interface Issues: Repeated heating / thrust Ejecta from fuel / dust Hard landing Micrometeorites Buckling / cracking Infrastructure Design Landing Pad and Apron 20. Boundary Conditions and Loadings: Rocket fuel heat and thrust Ejecta from exhaust / dust Structure / regolith interface Issues: Nearby storage / facilities Distant settlement Shape Deterioration Infrastructure Design Blast Wall DUST FUEL 21. Boundary Conditions and Loadings: Solar energy Rovers Structure / regolith interface Issues: Maximum payload Traction Buckling/cracking Infrastructure Design Roadways 22. Boundary Conditions and Loadings: Self weight Solar Energy Micrometeorites Structure / regolith Issues: Thermal stress / strain Stability Crack propagation Radiation protection Infrastructure Design Hangar / Storage SUN SHADESHADE 23. Four dissimilar problems, one unified tool. Abaqus / SIMULIA Implicit and explicit solvers Computational fluid dynamics Coupled Lagrangian-Eulerian analyses Heat transfer Shape optimization Shock, blast, contact, damaged plasticity, fracture, adaptive remeshing, etc. Infrastructure Design Analysis & Design 24. Dual use terrestrial applications Emergency shelters Construction in regions with limited water supply Autonomous shielding against radiation 25. Thank you Questions?