Results 101 to 110 of about 58,777 (284)

Leaftronics: Bio‐Fractal Scaffolds From Leaf Venation for Low‐Waste Electronics

Advanced Materials, EarlyView.
“Leaftronics” transforms naturally evolved leaf venation into quasi‐fractal scaffolds for sustainable electronics. Polymer‐infiltrated leaf skeletons can be used to fabricate ultra‐smooth, reflow‐ and thin‐film‐compatible decomposable substrates, while making the same lignocellulose networks conducting results in flexible transparent electrodes.
Rakesh Rajendran Nair, Hrisheekesh Thachoth Chandran, Karl Leo, Hans Kleemann   +3 more
wiley   +1 more source

Size-dependent heat conduction of thermal cellular structures: A surface-enriched multiscale method

Defence Technology
This paper examined how microstructure influences the homogenized thermal conductivity of cellular structures and revealed a surface-induced size-dependent effect. This effect is linked to the porous microstructural features of cellular structures, which
Xiaofeng Xu, Junfeng Li, Xuanhao Wu, Ling Ling, Li Li   +4 more
doaj   +1 more source

Numerical homogenization of multi-scale heterogeneous media

Геофизический журнал, 2012
A problem of electrical potential distribution in media, containing micro-inclusions with highly contrasting physical properties and different geometric shapes, was considered. Multiscale finite element method has been chosen as a solver.
M. I. Epov, E. P. Shurina, M. K. Artemyev   +2 more
doaj   +1 more source

A Generalized Multiscale Finite Element Method for the Brinkman Equation [PDF]

, 2014
In this paper we consider the numerical upscaling of the Brinkman equation in the presence of high-contrast permeability fields. We develop and analyze a robust and efficient Generalized Multiscale Finite Element Method (GMsFEM) for the Brinkman model ...
Galvis, Juan, Li, Guanglian, Shi, Ke
core  

Precise Microstructural and Stoichiometric Control Advances Flexible Ag2Te Thin‐Film Thermoelectrics for Wearable Energy Harvesting

Advanced Materials, EarlyView.
Flexible Ag2Te thin films achieving a record‐high mobility of 4756 cm2 V−1 s−1 and a peak power factor of 18.5 µW cm−1 K−2 are developed via precise structural control. The assembled flexible devices demonstrate excellent mechanical stability and ultrafast voltage response, enabling precise thermal detection when integrated into a robotic gripper for ...
Yue‐Xing Chen, Xiao‐Lei Shi, Ning Chen, Dong Yang, Zhongzhao Zha, Hanwen Xu, Mohammad Nisar, Tianyi Cao, Boxuan Hu, Meng Li, Ziya Wang, Fu Li, Guangxing Liang, Jingting Luo, Zhuanghao Zheng, Zhi‐Gang Chen   +15 more
wiley   +1 more source

Higher Order Multiscale Finite Element Method for Heat Transfer Modeling. [PDF]

Materials (Basel), 2021
Klimczak M, Cecot W.
europepmc   +1 more source

Ductility Tuning via Cluster Network Characteristics of Porous Components

Advanced Materials Technologies, EarlyView.
Network optimization via cluster characteristics induced by interaction of stress concentration is proposed, demonstrating increased cluster size and dispersion in non‐uniform porous components. The optimized structures exhibit, for the first time, that enhanced ductility and damage progression is controllable through zigzag cluster network designed by
Ryota Toyoba, Yuichi Otsuka, Ian J Davies, Naritoshi Aoyagi, Yukio Miyashita   +4 more
wiley   +1 more source

Multiscale Static Compressive Damage Characteristics of Kiwifruit Based on the Finite Element Method

Foods
In the handling or processing process, fruits are easily crushed by external loads. This type of damage in fruit often leads to the internal pulp browning and rotting, with the severity largely dependent on the fruit tissue’s geometric and mechanical ...
Yue Zhu, Licheng Zhu, Wangkun Guo, Zhenhao Han, Ruixue Wang, Weipeng Zhang, Yanwei Yuan, Jianbo Gao, Suchun Liu   +8 more
doaj   +1 more source

Multiscale Finite Element Methods for Nonlinear Problems and their Applications [PDF]

, 2004
In this paper we propose a generalization of multiscale finite element methods (Ms-FEM) to nonlinear problems. We study the convergence of the proposed method for nonlinear elliptic equations and propose an oversampling technique.
Efendiev, Y., Ginting, V., Hou, T. Y.
core  

Stress‐Normalized Sensitivity as a Comparative Benchmark for Intrinsically Piezoresistive Nanocomposite Materials in Wearable Electronics

Advanced Materials Technologies, EarlyView.
A stress‐normalised sensitivity metric (S = G/Y) is introduced as a materials‐level benchmark for intrinsically piezoresistive nanocomposites. By decoupling electromechanical response (G) from stiffness (Y), the framework enables direct comparison across diverse systems and clarifies design trade‐offs for wearable sensors.
Conor S. Boland
wiley   +1 more source