Study on crashworthiness of nature-inspired functionally graded lattice metamaterials for bridge pier protection against ship collision

Y Nian, S Wan, X Wang, P Zhou, M Avcar, M Li - Engineering Structures, 2023 - Elsevier
Lightweight lattice metamaterials can effectively enhance the impact resistance of thin-
walled structures. With the aim of further investigating the potential of lattice-filled composite …

A novel hybrid lattice design of nested cell topology with enhanced energy absorption capability

L Li, F Yang, P Li, W Wu, L Wang - Aerospace Science and Technology, 2022 - Elsevier
Hybridization is an effective approach to designing new lattice structures. In this paper, a
novel hybrid lattice design is proposed with nested cell topology combining inner stretching …

[HTML][HTML] Prediction and control of fracture paths in disordered architected materials using graph neural networks

K Karapiperis, DM Kochmann - Communications Engineering, 2023 - nature.com
Architected materials typically rely on regular periodic patterns to achieve improved
mechanical properties such as stiffness or fracture toughness. Here we introduce a class of …

Data-driven inverse design of composite triangular lattice structures

XL Peng, BX Xu - International Journal of Mechanical Sciences, 2024 - Elsevier
In this work, we introduce a class of novel bi-material composite triangular lattice structures.
The inverse design of these structures is achieved by using a data-driven method. They …

[HTML][HTML] 3D-printed highly stretchable curvy sandwich metamaterials with superior fracture resistance and energy absorption

R Hamzehei, M Bodaghi, N Wu - International Journal of Solids and …, 2024 - Elsevier
This paper focuses on the potential of curvy mechanical metamaterials to show how
topological design can significantly enhance fracture toughness along the in-plane and out …

Could effective fracture toughness of polycrystalline aggregates exceed inner grain fracture toughness by adjusting toughness of grain boundary?

J Zhou, Y Chen, H Feng, H Chen, X Yu, B Liu - Engineering Fracture …, 2023 - Elsevier
Obtaining intergranular and transgranular fractures through grain boundary engineering has
been considered an efficient technique that improves the effective fracture toughness of …

Axial compression characteristic of hollow auxetic cylinder lattice structures

Q Li, X Li, L Zhan, T Zou, X Chen… - Mechanics of Advanced …, 2024 - Taylor & Francis
A hollow auxetic cylinder lattice structure (HCLS) is proposed with tapered three-
dimensional reentrant cells (TRCs) and connecting plates. The compressive performance of …

Energy absorption and piezoresistive characteristics of 3D printed honeycomb composites with hybrid cell architecture

JJ Andrew, KA Khan, R Umer… - Virtual and Physical …, 2024 - Taylor & Francis
This paper introduces a novel hybrid honeycomb (HC) design achieved by continuously
blending non-auxetic hexagonal and auxetic re-entrant cell geometries along the out-of …

Fracture mechanics of bi-material lattice metamaterials

Z Song, K Wu, Z Wang, L He, Y Ni - Journal of the Mechanics and Physics …, 2024 - Elsevier
The advent of additive manufacturing technology empowers precise control of multi-material
components or specific defects in lightweight lattice metamaterials, however, fracture …

Topology Optimization of Brittle Composites for Optimizing Fracture Resistance Incorporating Phase Field Method with Strain Orthogonal Decompositions

BT Vu, TA Do, TT Tran, H Le-Quang, QC He - Mechanics of Composite …, 2024 - Springer
A framework of the topology optimization incorporated with the phase field method
considering the interfacial damage for optimizing the fracture resistance of inclusion-matrix …