Thermal design methodology for attaching morphing components

Jason M. Hermiller; Kristin M. Cable; Christopher D. Hemmelgarn; H. Jerry Qi; Francisco Castro

doi:10.1117/12.815869

31 March 2009 Thermal design methodology for attaching morphing components

Jason M. Hermiller, Kristin M. Cable, Christopher D. Hemmelgarn, H. Jerry Qi, Francisco Castro

Proceedings Volume 7290, Industrial and Commercial Applications of Smart Structures Technologies 2009; 72900O (2009) https://doi.org/10.1117/12.815869
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2009, San Diego, California, United States

Abstract

Seamless skins for morphing vehicles have been demonstrated as feasible but establishing robust fastening methods for morphing skins is one of the next key challenges. Skin materials previously developed by Cornerstone Research Group and others include high-performance, reinforced elastomeric and shape memory polymer (SMP)-based composites. Recent focus has shifted to improving performance and increasing the technology readiness level of these materials. Cycling of recently demonstrated morphing skins has determined that an abrupt interface between rigid and soft materials leads to localized failure at the interface over time. In this paper, a fundamental understanding between skin material properties and transition zone design are combined with advanced modeling techniques. A thermal gradient methodology is simulated to predict performance benefits. Experimental testing and simulations demonstrated improvement in morphing component performance for a uniaxial case. This work continues to advance development to eliminate fastening as the weak link in morphing skin technology and provides tools for use in morphing structure design.

Citation Download Citation

Jason M. Hermiller, Kristin M. Cable, Christopher D. Hemmelgarn, H. Jerry Qi, and Francisco Castro "Thermal design methodology for attaching morphing components", Proc. SPIE 7290, Industrial and Commercial Applications of Smart Structures Technologies 2009, 72900O (31 March 2009); https://doi.org/10.1117/12.815869

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