An elastic metamaterial with simultaneously negative mass density and bulk modulus

By X. Liu, G. Hu, Guoliang Huang, Chin-teh Sun. 2011

454 citations recorded by the source corpus.

Subfields: Aerospace Engineering, Biomedical Engineering, Electronic, Optical and Magnetic Materials

View Paper: https://www.semanticscholar.org/paper/28588dede5cfa85eec166587ebfd4c48810b2c35

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In Aerospace Engineering

In Biomedical Engineering

In Electronic, Optical and Magnetic Materials

Citations in the corpus

Mechanical metamaterials: a state of the art (2019, background): “auxetic materials) [12–20], negative compressibility transitions [21], unusual dynamic behaviour for wave propagation [22–24], enhanced mechanical properties (robust buckling responses against structural perturbations) [25, 26], improved strength-to-weight ratios [27–29]), programmable shape transfo”
Three-Dimensional-Printed Multistable Mechanical Metamaterials With a Deterministic Deformation Sequence (2017, background): “Other interesting and unconventional properties of metamaterials include negative bulk modulus [5–8], negative Poisson’s ratio [9,10], high specific energy absorption [11,12], or negative (dynamic) mass [5,8,13,14].”
Hierarchical honeycomb lattice metamaterials with improved thermal resistance and mechanical properties (2016, background): “Typical unusual properties range from negative refractive indexes in electromagnetic metamaterials to negative mass density [1,2] and ultrahigh stiffness in mechanical metamaterials [3–6].”
Modulated phononic crystals: Non-reciprocal wave propagation and Willis materials (2017, background): “Systems of the first class qualify as intrinsic and involve using structural chirality, dissipation and non-linearity ( Liang et al., 2009; Liu et al., 2011, 2012; Mousavi et al., 2015 ).”
Metaconcrete: designed aggregates to enhance dynamic performance (2014, background): “The concept of effective mass density has also been studied by Sheng et al. (2003, 2007) and Liu et al. (2002, 2005, 2011).”
Tailoring Structure‐Borne Sound through Bandgap Engineering in Phononic Crystals and Metamaterials: A Comprehensive Review (2022, background): “model [51,52] to understand the concepts of negative effective mass and bulk modulus and their relationship to the opening of the BG (Fig.”
Band Gap Control in an Active Elastic Metamaterial With Negative Capacitance Piezoelectric Shunting (2014, background): “The unit cell of the massin-mass lattice system consists of the inner masses connected by active linear springs to represent negative capacitance piezoelectric shunting.”
A hybrid elastic metamaterial with negative mass density and tunable bending stiffness (2017, background): “…properties have been realized by designing microstructural units with built-in monopolar and dipolar resonators, respectively, for emerging applications such as elastic wave superlenses, subwavelength imaging and acoustic cloaking ( Liu et al., 2011; Zhu et al., 2014; Wu et al., 2011 ).”
Chiral effect in plane isotropic micropolar elasticity and its application to chiral lattices (2012, methodology): “On the other hand, lattice structures can be homogenized as micropolar continuum media (Bazant and Christensen, 1972; Chen et al, 1998; Kumar and McDowell, 2004), the homogenized material constants are derived directly from their microstructures.”
Dissipative elastic metamaterials for broadband wave mitigation at subwavelength scale (2016, background): “j o u r n a l h o m e p a g e : w w w . e l s e v i e r . c o m / l o c a t e / c o m p s t r u c t single-phase material and capable of experiencing both dipolar and rotational microstructural resonances has been developed [14] [15].”