Pre-compressed beam-based multistable mechanical metamaterials with programmable loading and unloading deformation sequences DOI

Jian Hua,

Yuan Zhou, Zhiqiang Meng

et al.

Thin-Walled Structures, Journal Year: 2024, Volume and Issue: unknown, P. 112879 - 112879

Published: Dec. 1, 2024

Language: Английский

Optimization of bistable clamp for aerospace thermal systems DOI
Russell Laudone, Matthew Nakamura, Joseph J. Brown

et al.

MRS Communications, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 4, 2024

Language: Английский

Citations

0

A review on reprogrammable bistable structures DOI
Chao Zhang, Xiaofeng Yin,

Rongchu Chen

et al.

Smart Materials and Structures, Journal Year: 2024, Volume and Issue: 33(9), P. 093001 - 093001

Published: July 24, 2024

Abstract Bistable structures have attracted attention due to their unique properties and potential applications in soft robotics, logic gates energy harvesting devices. The bi-stability is always an inherent property if the bistable are pre-designed. A reprogrammable structure that does not require re-designing re-fabricating prototype highly desirable. Despite its vast burgeoning interest, field of lacks a cohesive comprehensive review. Therefore, this paper presents state-of-the-art review recent advances basic structural forms, key parameters determining characteristics, active regulation mechanisms, structures. It also remaining challenges suggests possible future research directions This will provide valuable insights for researchers engineers explore

Language: Английский

Citations

0

Manipulating localized geometric characteristics in multistable energy-absorbing architected materials DOI

Xianhua Yao,

Haiyang Zhao,

Ruiqi Ma

et al.

Thin-Walled Structures, Journal Year: 2024, Volume and Issue: 205, P. 112535 - 112535

Published: Oct. 5, 2024

Language: Английский

Citations

0

Mechanics of a tunable bistable metamaterial with shape memory polymer DOI

R.C. Lin,

Shuai Xu,

Zishun Liu

et al.

Journal of Applied Mechanics, Journal Year: 2024, Volume and Issue: 92(1)

Published: Nov. 14, 2024

Abstract Bistable metamaterials, characterized by their ability to transition between two stable configurations, find applications in the fields of morphing structures, energy harvesting systems, and bionics. Shape memory polymers (SMP) are a class smart materials that can revert original shape from deformed state when subjected appropriate stimuli. In this study, we have designed manufactured tunable bistable metamaterial incorporating SMP, utilizing 3D printing technology. The unit cell comprises curved beam supported walls. By modifying material distribution, structure monostable states. To deepen our understanding underlying mechanisms metamaterial, developed theoretical model quantifies characteristics transitions. particular, theory accurately predict criteria for transitions, governed modulus ratio supporting accuracy these is validated through combination experimental analyses, alongside finite element simulations. applying criterion, readily control material's thermal stimuli, thereby demonstrating feasibility programmable metamaterials work.

Language: Английский

Citations

0

Geometrically non-linear topology optimization via geometry projection DOI
Jingyu Hu, Mathias Wallin, Matti Ristinmaa

et al.

Computer Methods in Applied Mechanics and Engineering, Journal Year: 2024, Volume and Issue: 435, P. 117636 - 117636

Published: Dec. 6, 2024

Language: Английский

Citations

0

Hierarchical negative stiffness structures with improved resilience and energy absorption capability DOI

Chuanlin Zhou,

Feng Zhang, Xiaodong Zhang

et al.

Materials Today Communications, Journal Year: 2024, Volume and Issue: unknown, P. 111371 - 111371

Published: Dec. 1, 2024

Language: Английский

Citations

0

Mechanical Properties of a Stability‐Enhancing Honeycomb with Double‐Platform Stresses and Variable Stiffness DOI
Xu Liu, Hai‐Tao Liu, Shun Wang

et al.

physica status solidi (b), Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 25, 2024

Herein, a stability‐enhancing honeycomb (SEH) is designed based on the diabolo‐shaped (DSH). SEH obtained by adding wedge‐shaped parts to DSH, which improves stability of deformation. The inclusion variable stiffness region imparts properties honeycomb. combined effect and part eliminates buckling phenomenon during results demonstrate that generates double‐platform stresses deformation, specific energy absorption (SEA) increases rapidly after entering region. effects region, part, crossbar length mechanical are analyzed using finite‐element model, validated through compression experiments. Adjusting changes strain stiffness. Modifying affects magnitude corresponding second plateau stress in As increases, SEA gradually decrease. This article provides design concept for honeycombs offers insights improve their effectiveness protective engineering.

Language: Английский

Citations

0

Pre-compressed beam-based multistable mechanical metamaterials with programmable loading and unloading deformation sequences DOI

Jian Hua,

Yuan Zhou, Zhiqiang Meng

et al.

Thin-Walled Structures, Journal Year: 2024, Volume and Issue: unknown, P. 112879 - 112879

Published: Dec. 1, 2024

Language: Английский

Citations

0