Abstract: Three multimaterial support structures were designed and built to support 200 mm (8 in.) diameter “surrogate” mirrors for the deployable optical telescope (DOT) ground experiment at the Air Force Research Laboratory ...

Abstract: Helmholtz resonators are used in a variety of applications to reduce the transmission of unwanted sound. This work demonstrates that mechanically coupled resonators can be used to design a ...

Abstract: This work presents and demonstrates a passive isolation system that offers the performance of a skyhook damper, but without the need of an inertial reference. This “virtual skyhook” isolation ...