ArticleProceedings of the National Academy of Sciences of the United States of America2022
Realizing the multifunctional metamaterial for fluid flow in a porous medium.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed.
- Experiments on Nonlocal Fluid-Flow Metamaterials.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Biomimetic diffusion metamaterials enabled by physical-geometric duality.Nature communications · 2026Article
- Programmable Hydrodynamic Invisibility Enabled by Machine-Learning-Guided Metamaterials.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Controlling transient and coupled diffusion with pseudoconformal mapping.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- On-demand zero-drag hydrodynamic cloaks resolve D'Alembert paradox in viscous potential flows.Microsystems & nanoengineering · 2024Article
- Reconfigurable, zero-energy, and wide-temperature loss-assisted thermal nonreciprocal metamaterials.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Droplet-based mechanical transducers modulated by the symmetry of wettability patterns.Nature communications · 2024Article
- Adaptive multi-temperature control for transport and storage containers enabled by phase-change materials.Nature communications · 2023Article
- Giant, magnet-free, and room-temperature Hall-like heat transfer.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- On Transformation Form-Invariance in Thermal Convection.Materials (Basel, Switzerland) · 2022Article
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8 authors.
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Abstract
Metamaterials are artificial materials that can achieve unusual properties through unique structures. In particular, their "invisibility" property has attracted enormous attention due to its little or negligible disturbance to the background field that avoids detection. This invisibility feature is not only useful for the optical field, but it is also important for any field manipulation that requires minimum disturbance to the background, such as the flow field manipulation inside the human body. There are several conventional invisible metamaterial designs: a cloak can isolate the influence between the internal and external fields, a concentrator can concentrate the external field to form an intensified internal field, and a rotator can rotate the internal field by a specific angle with respect to the external field. However, a multifunctional invisible device that can continuously tune across all these functions has never been realized due to its challenging requirements on material properties. Inside a porous medium flow, however, we overcome these challenges and realize such a multifunctional metamaterial. Our hydrodynamic device can manipulate both the magnitude and the direction of the internal flow and, at the same time, make negligible disturbance to the external flow. Thus, we integrate the functions of the cloak, concentrator, and rotator within one single hydrodynamic metamaterial, and such metamaterials may find potential applications in biomedical areas such as tissue engineering and drug release.
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