Drawing Dispersion Curves: Band Structure Customization via Nonlocal Phononic Crystals
Dispersion relations govern wave behaviors, and tailoring them is a grand challenge in
wave manipulation. We demonstrate the inverse design of phononic dispersion using …
wave manipulation. We demonstrate the inverse design of phononic dispersion using …
Fully Polarized Topological Isostatic Metamaterials in Three Dimensions
Topological surface states are unique to topological materials and are immune to
disturbances. In isostatic lattices, mechanical topological floppy modes exhibit softness …
disturbances. In isostatic lattices, mechanical topological floppy modes exhibit softness …
[HTML][HTML] Observation of maxon-like ultrasound in elastic metabeam
We observe maxon-like dispersion of ultrasonic guided waves in elastic metamaterials
consisting of a rectangular beam and an array of cylindrical resonators. The pillars act as …
consisting of a rectangular beam and an array of cylindrical resonators. The pillars act as …
Cell augmentation framework for topological lattices
Maxwell lattices are characterized by an equal number of degrees of freedom and
constraints. A subset of them, dubbed topological lattices, are capable of localizing stress …
constraints. A subset of them, dubbed topological lattices, are capable of localizing stress …
A theoretical framework for physically-realizable kagome metamaterials and its implications on dualities and topological edge modes
Since the discovery of topological modes in idealized ball-and-spring kagome lattices,
significant efforts have been devoted to realizing mechanical analogues of these ideal …
significant efforts have been devoted to realizing mechanical analogues of these ideal …
Nanoscale Imaging of Phonons and Reconfiguration in Topologically-Engineered, Self-Assembled Nanoparticle Lattice
Topologically-engineered mechanical frames are important model constructs for
architecture, machine mechanisms, and metamaterials. Despite significant advances in …
architecture, machine mechanisms, and metamaterials. Despite significant advances in …
Stress control in non-ideal topological Maxwell lattices via geometry
Topological mechanical metamaterials have demonstrated exotic and robust mechanical
properties which led to promising engineering applications. One of such properties is the …
properties which led to promising engineering applications. One of such properties is the …