2025年1月1日 · In the present work, we assess the continuum limit of mechanical metamaterials via homogenized models derived rigorously from variational methods. It is shown through multiple examples that micropolar-type effective energies, derived naturally from analysis, properly capture the kinematics of discrete lattices in two and three dimensions.

2023年9月18日 · Designing and printing metamaterials with customizable architectures enables the realization of unprecedented mechanical behaviors that transcend those of their constituent materials. These...

2024年12月20日 · Here, a real-time reprogrammable mechanical metamaterial is reported that is guided by its own structure-performance relations. The metamaterial consists of periodically tessellated bistable building blocks with built-in soft actuators for state switching, exhibiting rich spatial heterogeneity.

2024年11月1日 · Periodic beam-based metamaterials, commonly referred to as truss metamaterials or truss lattices and characterized by periodic arrangements of interconnected beam networks, offer a vast design landscape for previously unattainable properties and functionality by exploiting the topological and geometrical attributes of small-scale architectures [...

2023年12月11日 · Here, to tailor the nonlinear response, we show that video diffusion generative models trained on full-field data of periodic stochastic cellular structures can successfully predict and tune...

2024年5月29日 · Using optimized AI-models under ethical and legal regulations can significantly improve metamaterial functionality and facilitate applications in acoustics, optics, healthcare, and energy harvesting technologies.

A metamaterial (from the Greek word μετά meta, meaning "beyond" or "after", and the Latin word materia, meaning "matter" or "material") is a type of material engineered to have a property, typically rarely observed in naturally occurring materials, that is derived not from the properties of the base materials but from their newly designed ...

2023年9月26日 · In this perspective, we provide an overview of mechanical metamaterials within and beyond their classical mechanical functionalities. We discuss various aspects of data-driven approaches for...

2020年4月1日 · Mechanical metamaterials with maximized bandgap and tunable bandgaps are demonstrated using the proposed method. This approach offers an effective means to design metamaterials.

2024年12月27日 · This paper provides a detailed discussion of AI-based forward prediction and inverse design principles and applications in metamaterial design. It also examines the potential of big-data-driven AI methods in addressing challenges in metamaterial design.