Results 91 to 100 of about 2,712 (284)
Features of Early Cracks in a Gear Based on a 16DOF Nonlinear Time-Varying Stiffness Dynamic Model [PDF]
, 2009 A 16DOF nonlinear time-varying stiffness dynamic model of a one-stage spur gear system is studied when there is a crack growth on the pinion; the energy method is then used for calculating the meshing stiffness of the gear pairs.
Ming J. Zuo, Xiaojun Zhou, Yimin Shao
core +1 more source
Time-varying Mesh Stiffness Calculation and Research on Dynamic Characteristic of Two-stage Helical Gear System based on Potential Energy Method [PDF]
, 2020 Aiming at the realistic problems on accurate calculation of time-varying meshing stiffness in the research of multi-stage helical gear dynamics， as well as its quantitative analysis of fluctuation value， a two-stage helical gear reducer used in an ...
Song Deng, Peng Wei
core +1 more source
Jixie chuandong, 2021 The torsional dynamics model of herringbone gear pair considering time-varying meshing stiffness， constant backlash， dynamic backlash， static transmission error and external dynamic excitation is established. The frequency response characteristics of the
Libang Wang, Hao Dong
doaj
Advanced Functional Materials, EarlyView.A nanounit‐assembled hydrogel employing a “pull‐and‐push” strategy simultaneously scavenges pro‐inflammatory cell‐free DNA (cfDNA) and delivers regenerative therapeutics in response to burn‐induced hyperthermia. By repolarizing macrophages and promoting angiogenesis, this multifunctional platform accelerates burn wound healing, offering a blueprint for
Han‐Sem Kim +9 more
wiley +1 more source
Advances in Sustainable and Wearable Textile Based Soft Robotics
Advanced Functional Materials, EarlyView.This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas +6 more
wiley +1 more source
Double‐Interpenetrating Composite Bioink for Multi‐Component 3D Bioprinting and Biofabrication
Advanced Functional Materials, EarlyView.Marine‐polysaccharides‐derived double interpenetrating network hydrogel‐based bioink, combining the attributes of physical and ionic crosslinking, enables room‐temperature bioprinting of mechanically defined structures that can be handled and are cytocompatible.
Fabian Tribukait‐Riemenschneider +1 more
wiley +1 more source
Shaping Matter with Acoustic Waves: From Particles to Functional Structures
Advanced Functional Materials, EarlyView.Acoustic‐directed assembly is reviewed as a materials‐oriented strategy for organizing particles, polymers, metals, and biological systems into functional structures. The review distinguishes reversible manipulation from permanent structure formation through medium fixation, particle fixation, and in situ material generation, highlighting routes toward
Avraham Kenigsberg +5 more
wiley +1 more source
Dynamics Simulation of the Tooth Root Crack Fault of Gear Transmission System
Jixie chuandong, 2015 Taking the coupling dynamics modeling of spur gear pairs as the research object,considering the time- varying meshing stiffness of teeth and the friction between teeth,two models of different mesh stiffness of fault and intact gear are established.
Ning Shaohui +3 more
doaj
Jixie chuandong, 2023 For spur gears with more than 41 teeth, based on the geometry of cutting teeth and the principle of gear meshing, the difference between the starting point of the involute profile and the intersection of the involute and the base circle is clarified, and
Jiao Wei, Xu Kejun, Qin Haiqin
doaj
Low‐Fraction Irregular Inclusions Trigger Large Compression Stiffening in Biopolymer Hydrogels
Advanced Functional Materials, EarlyView.Irregular inclusions at low filler fractions trigger large compression stiffening in biopolymer hydrogels. By promoting contact‐network formation under compression, these inclusions induce non‐affine rearrangements, stretch surrounding fibers, and provide parallel load‐bearing pathways.
Xuechen Shi +3 more
wiley +1 more source