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Recently, a team of Prof.
Invisibility cloaks, which conceal objects from outside observers, have long been a research hotspot in the field of metamaterials
Figure 1.
The method is based on the material performance space of the unit cell in the metamaterial library, using the homogenization method to treat the entire metamaterial structure as a continuum, and using the topology optimization method to synchronously design the shape topology of the mechanical cloak and its internal material performance distribution ; Then screen out a set of corresponding candidate unit cells for the material properties of different regions from the material library, and transform the unit cell matching problem into the energy minimization problem of the random field graph model by constructing a Markov random field graph model.
Figure 2 Mechanical stealth realization of various shapes of voids
In order to verify the effectiveness of the method, the paper designed mechanical invisibility cloaks with different boundary conditions, cavity shapes and matrix microstructure >
Paper link : https:// class="Article-source form-horizontal">
