Executive Summary SMC is an engineering consulting firm focused on - - PDF document

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Executive Summary SMC is an engineering consulting firm focused on - - PDF document

2/18/2011 Advan dvance ced Modelin d Modeling, g, g, Simula g, Simulati tion on, and , and Desi Design g Design and Fabrication of High Performance Metallic and Composite Aerospace Structures Tomoya T. Ochinero, Ph.D.


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Advan dvance ced Modelin d Modeling, g, Simula Simulati tion

  • n, and

and Desi Design g, g, , g

Design and Fabrication of High Performance Metallic and Composite Aerospace Structures

Tomoya T. Ochinero, Ph.D.

  • chinero@structuralmechanics.com

www.StructuralMechanics.com (310) 372‐2277

www.StructuralMechanics.com | 811 N. Catalina Ave., Suite 2106, Redondo Beach, CA 90277 | 310.372.2277 | info@structuralmechanics.com

(310) 372 2277

The Aerospace & Defense Forum

February 18th, 2011

Executive Summary

  • SMC is an engineering consulting firm focused on

modeling, simulation, & design of aero‐structures M t lli d it t t hi hl t il d

  • Metallic and composite structures highly tailored

for specific goals can be achieved using design

  • ptimization techniques
  • Recently matured fabrication techniques have

made possible previously unmanufacturable designs

StructuralMechanics.com | 811 N. Catalina Ave., Suite 2106, Redondo Beach, CA 90277 | 310.372.2277 | info@structuralmechanics.com

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designs

  • The combination of these two technologies will

be a game changer for the aerospace industry

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Structural Mechanics Corp. (SMC)

  • Los Angeles based engineering consulting firm
  • Specializing in modeling, simulation, & design of aero‐structures
  • Core capabilities are strength dynamics and composites
  • Core capabilities are strength, dynamics, and composites
  • Unique capabilities are testing and international business support
  • Over 150 years of combined aerospace experience
  • Woman owned small business

StructuralMechanics.com | 811 N. Catalina Ave., Suite 2106, Redondo Beach, CA 90277 | 310.372.2277 | info@structuralmechanics.com

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Capabilities brochure available at www.structuralmechanics.com/capabilities

SMC has Extensive Aerospace & Defense Experience

  • Aircraft

– Global Hawk, Predator, BAMS, F15, F18, E2, Boeing 747 Airborne Laser, Radar Systems (MP‐ g y ( RTIP & ASTOR), Boeing 787, Airbus A350

  • Rockets

– ATLAS V, Delta IV, Titan, Falcon 1, Falcon 9, J‐2X, RS‐68, RS‐83, RS‐84, LR‐87, LR‐91, RL10, Falcon, X‐33, X‐42, SSME, NASA‐TA‐10, SRALT Target Rocket, Microcosm EAGLE

  • Spacecraft

p

– Space Shuttle, International Space Station, MicroSat Roadrunner, DirecTV‐7S, JPL NuSTAR, and various proprietary satellites

StructuralMechanics.com | 811 N. Catalina Ave., Suite 2106, Redondo Beach, CA 90277 | 310.372.2277 | info@structuralmechanics.com

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Design Optimization Applications

  • Structural performance
  • Morphing structures

p g

  • Weight reduction
  • Minimize design iterations
  • Functional performance
  • Shape optimization

Shape optimi ation

StructuralMechanics.com | 811 N. Catalina Ave., Suite 2106, Redondo Beach, CA 90277 | 310.372.2277 | info@structuralmechanics.com

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Tailored composites: elastic coupling significantly advances structural performance

StructuralMechanics.com | 811 N. Catalina Ave., Suite 2106, Redondo Beach, CA 90277 | 310.372.2277 | info@structuralmechanics.com

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Optimization can be used to design morphing composite structures

StructuralMechanics.com | 811 N. Catalina Ave., Suite 2106, Redondo Beach, CA 90277 | 310.372.2277 | info@structuralmechanics.com

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Optimization can significantly minimize structural weight

StructuralMechanics.com | 811 N. Catalina Ave., Suite 2106, Redondo Beach, CA 90277 | 310.372.2277 | info@structuralmechanics.com

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Significant cost reduction is achievable by minimizing design iterations

StructuralMechanics.com | 811 N. Catalina Ave., Suite 2106, Redondo Beach, CA 90277 | 310.372.2277 | info@structuralmechanics.com

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Animation shows automated design development of flight hardware using SMC proprietary topological optimization tools

Material properties can be optimized for specific functional performance

  • Softer
  • Stiffer
  • Expands more when heated
  • Brittle
  • Brittle
  • Ductile

Parts and structures can be tailored so that it responds in a particular way when loaded

StructuralMechanics.com | 811 N. Catalina Ave., Suite 2106, Redondo Beach, CA 90277 | 310.372.2277 | info@structuralmechanics.com

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responds in a particular way when loaded. Load paths can be optimized so that energy travels in a predictable path that avoids critical payloads (e.g. humans, electronics, etc.)

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Computational Fluid Dynamics based design analytics can be used to optimize shapes

The sequence below shows how a shape was evolved using this technique to develop a unique fairing for the Atlas‐V launch vehicle.

StructuralMechanics.com | 811 N. Catalina Ave., Suite 2106, Redondo Beach, CA 90277 | 310.372.2277 | info@structuralmechanics.com

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Advancements in Fabrication

  • Additive manufacturing
  • Photonic curing and room temperature curing

g p g

  • f composites

StructuralMechanics.com | 811 N. Catalina Ave., Suite 2106, Redondo Beach, CA 90277 | 310.372.2277 | info@structuralmechanics.com

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Additive manufacturing technologies remove design constraints due to conventional machining

  • Cheaper

– Inventory, lead time Tooling development time – Tooling, development time

  • Greener

– Waste, energy, raw material – Lighter more efficient

StructuralMechanics.com | 811 N. Catalina Ave., Suite 2106, Redondo Beach, CA 90277 | 310.372.2277 | info@structuralmechanics.com

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Advances in composite fabrication technologies are making previously unmanufacturable designs possible

Technologies such as robotic tape lay‐up, electron beam curing, UV and infrared curing, and room temperature curing are opening the door for new structures with curing are opening the door for new structures with morphing and elastically coupled features

StructuralMechanics.com | 811 N. Catalina Ave., Suite 2106, Redondo Beach, CA 90277 | 310.372.2277 | info@structuralmechanics.com

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Summary and Conclusions

  • Design optimization and additive fabrication

technologies together will be a game changer for the aerospace industry aerospace industry

  • Previously unmanufacturable designs are now possible
  • Opens the door for exciting new designs solutions
  • Thinking and methods need to catch up with these

technologies to fully exploit the vast possibilities

StructuralMechanics.com | 811 N. Catalina Ave., Suite 2106, Redondo Beach, CA 90277 | 310.372.2277 | info@structuralmechanics.com

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Questions?

SMC would like to thank the Aerospace & Defense Forum and the sponsors for the opportunity to present this material

StructuralMechanics.com | 811 N. Catalina Ave., Suite 2106, Redondo Beach, CA 90277 | 310.372.2277 | info@structuralmechanics.com

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