“This paper aims to design meta-lamina for desired properties including overall auxeticity via tuning local anisotropy of each discretized meta-patch. As an example, material system, meta-lamina with square patches is explored. By tuning the local anisotropy in each patch, desired overall elastic material constants, including the effective stiffnesses and effective Poisson’s ratios can be achieved. Interestingly, a large design pool for negative in-plane Poisson’s ratio are discovered and identified via systematic Finite Element (FE) simulations.”

Find the paper and full list of authors in Materials and Design.