Inverse design of nonlinear mechanical metamaterials via video denoising diffusion models

JH Bastek, DM Kochmann - Nature Machine Intelligence, 2023 - nature.com
The accelerated inverse design of complex material properties—such as identifying a
material with a given stress–strain response over a nonlinear deformation path—holds great …

Ultrafast shape‐reconfigurable chiral mechanical metamaterial based on prestressed bistable shells

Y Liu, F Pan, F Xiong, Y Wei, Y Ruan… - Advanced Functional …, 2023 - Wiley Online Library
Fast shape‐reconfiguration with large morphing amplitude is crucial for intelligent
materials/structures that require tunable functions and adaptivity to different environments …

JAX-FEM: A differentiable GPU-accelerated 3D finite element solver for automatic inverse design and mechanistic data science

T Xue, S Liao, Z Gan, C Park, X Xie, WK Liu… - Computer Physics …, 2023 - Elsevier
This paper introduces JAX-FEM, an open-source differentiable finite element method (FEM)
library. Constructed on top of Google JAX, a rising machine learning library focusing on high …

Isogeometric shape optimization for widening band gaps of periodic composite plates

S Yin, J Huang, Z Zou, TQ Bui, Y Cong, T Yu… - European Journal of …, 2024 - Elsevier
This paper presents an isogeometric shape optimization methodology to widen the band
gap of periodic composite plates by smoothly optimizing its thickness profile. To save the …

Nonlinear shape optimization of flexible mechanical metamaterials

E Medina, CH Rycroft, K Bertoldi - Extreme Mechanics Letters, 2023 - Elsevier
Shape optimization is used to design flexible mechanical metamaterials. We employ the
higher-order moving-mesh method to arbitrarily parameterize the geometries and tune their …

[HTML][HTML] Exploring VAE-driven implicit parametric unit cells for multiscale topology optimization

C Chu, A Leichner, F Wenz, H Andrä - Materials & Design, 2024 - Elsevier
The simulation and optimization of metamaterial, known for their engineered properties in
various applications, encounter intricate challenges due to complex microstructure …

An optimization-based approach to tailor the mechanical response of soft metamaterials undergoing rate-dependent instabilities

R Alberdi, C Hamel, B Talamini, MR Tupek - Computer Methods in Applied …, 2025 - Elsevier
An optimization-based design framework is proposed to tune the response of soft
metamaterials involving both geometric instabilities and nonlinear viscoelastic material …

Navigating the landscape of nonlinear mechanical metamaterials for advanced programmability

E Medina, PE Farrell, K Bertoldi, CH Rycroft - Physical Review B, 2020 - APS
We consider a flexible mechanical metamaterial comprising an elastomeric matrix with an
embedded square array of circular holes. First, we use the deflated continuation technique …

[HTML][HTML] Inverse design of mechanical metamaterial achieving a prescribed constitutive curve

Z Du, T Bian, X Ren, Y Jia, S Tang, T Cui… - Theoretical and Applied …, 2024 - Elsevier
Besides exhibiting excellent capabilities such as energy absorption, phase-transforming
metamaterials offer a vast design space for achieving nonlinear constitutive relations. This is …

Maximizing band gaps of single-phase phononic plates: Isogeometric optimal approach and 3D printing experimental validation

S Yin, Y Li, Z Zou, TQ Bui, J Liu, S Gu… - Applied Mathematical …, 2024 - Elsevier
This work presents an effective isogeometric shape optimization approach for finding and
widening the phononic band gaps of single-phase Mindlin plate structures. As the single …