Pentamode metamaterials (PMs), a kind of metafluids composed of complex solid medium,
have shown enormous potential for both elastic wave and underwater acoustic wave …

Pentamode metamaterials are a new class of artificially engineering three-dimensional
lattice composites. There exist a few types of pentamode metamaterials that are dominated …

In maritime transportation, a fender acts like a bumper to absorb the kinetic energy of a boat
berthing against a jetty, pier wall, or other boats. They have high energy absorption and low …

Topological phononic crystals have attracted intensive attention due to their peculiar
topologically protected interface or edge states. Their operating frequency, however, is …

Perforated elastic metamaterials (EMMs) comprising periodic distribution of holes have
recently attracted growing attention due to relatively simple fabrication process and unusual …

Microstructured materials, namely metamaterials, are one of the most relevant topics of the
recent period due to their interdisciplinary nature. Driven by their wide range of applications …

Additive 3D printing has been one of the most powerful and effective techniques to realize
3D intricate structures. However, its limitations including a high threshold for high-precision …

Sandwich structures have been widely used in ship, aerospace, vehicle and other fields,
due to their lightweight and high load bearing properties. With the rapid development of ship …

Pentamode metamaterials are a type of extremal designer metamaterials, which are able to
demonstrate extremely high rigidity in one direction and extremely high compliance in other …

Acoustic metamaterials are synthetic materials, made of repeating unit cells that are
designed to address an acoustic problem, through the rational design of their micro-features …