Abstract
The creation of functional materials is a promising direction for engineering development. Functional materials include metamaterials among others. Metamaterials achieve the required properties using a rationally designed structure. Tetrachiral structures differ from the others in that they can twist under uniaxial loading. This paper solves the quasi-static problem of uniaxial loading within the framework of linear elasticity theory using the finite element method. It is investigated how the support reaction changes when a second ring is added into the chiral structure. The dependence obtained suggests that by adding a complementary ring and increasing its size more forces have to be applied to deform the metamaterial. It is shown how the size of the secondary ring affects Young's modulus.
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