TY - GEN
T1 - Pseudo-bistable morphing composites
AU - Brinkmeyer, Alex
AU - Pirrera, Alberto
AU - Weaver, Paul M.
AU - Santer, Matthew
PY - 2012
Y1 - 2012
N2 - A new concept for a morphing structure is introduced, using a combination of viscoelas- tic and composite materials. The structure is said to be pseudo-bistable, as it exhibits the following behaviour upon actuation. First, it snaps into a buckled state, then, once the actuation is removed, it remains in its snapped configuration for a period of time, before quickly returning to its initial state. This can be achieved by the choice of an appropriate geometry and boundary conditions. The material also needs to be sufficiently viscoelastic so as to trigger the snap-back. In this paper the principles of pseudo-bistability are first explained using a discrete model, then the link between discrete and continuum structures is established. Finally, the application to composite structures is investigated.
AB - A new concept for a morphing structure is introduced, using a combination of viscoelas- tic and composite materials. The structure is said to be pseudo-bistable, as it exhibits the following behaviour upon actuation. First, it snaps into a buckled state, then, once the actuation is removed, it remains in its snapped configuration for a period of time, before quickly returning to its initial state. This can be achieved by the choice of an appropriate geometry and boundary conditions. The material also needs to be sufficiently viscoelastic so as to trigger the snap-back. In this paper the principles of pseudo-bistability are first explained using a discrete model, then the link between discrete and continuum structures is established. Finally, the application to composite structures is investigated.
UR - http://www.scopus.com/inward/record.url?scp=84881450876&partnerID=8YFLogxK
U2 - 10.2514/6.2012-1576
DO - 10.2514/6.2012-1576
M3 - Conference contribution
AN - SCOPUS:84881450876
SN - 9781600869372
T3 - Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
BT - 53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
PB - American Institute of Aeronautics and Astronautics Inc.
T2 - 53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference 2012
Y2 - 23 April 2012 through 26 April 2012
ER -