Anastasiia Krushynska's KTH Solid Mechanics seminar "Fundamental and practical aspects of modeling mechanical and elastic metamaterials"

Anastasiia Krushynska_June_22_2023.pdf (pdf 222 kB)

Abstract. Mechanical and elastic metamaterials provide previously unforeseen opportunities to control mechanical and dynamic properties of composites by fine-tuning their structure. In the Metamechanics group, we develop new design strategies for metamaterials with programmable mechanical, tunable dynamical, and multi-functional behavior that will be briefly overviewed in this talk. First, we consider how one can program the structure of mechanical metamaterials subject to simple tensile loading to achieve shape-morphing for plate-type and cylindrical structures and specific deformation modes of a surface with modular actuator arrays in adaptive optics. Then, we summarize the effects of linear viscoelastic material behavior on wave attenuation in pristine and 3D-printed polymer elastic metamaterials. In the final part of the talk, we shed light on the effects of metamaterial-type surface patterns on the control of aerodynamic and acoustic characteristics of 3D-printed flexible wings.