Realizing the thinnest hydrodynamic cloak in porous medium flow.

ABSTRACT: Transformation mapping theory offers us great versatility to design invisible cloaks for the physical fields whose propagation equations remain invariant under coordinate transformations. Such cloaks are typically designed as a multi-layer shell with anisotropic material properties, which makes no disturbance to the external field. As a result, an observer outside the cloak cannot detect the existence of this object from the field disturbances, leading to the invisible effect in terms of field prorogation. In fact, for many prorogating fields, at a large enough distance, the field distortion caused by an object is negligible anyway; thus, a thin cloak is desirable to achieve near-field invisibility. However, a thin cloak typically requires more challenging material properties, which are di

SUBMITTER: Chen M 

PROVIDER: S-EPMC9190057 | biostudies-literature | 2022 Jul

REPOSITORIES: biostudies-literature