Results 101 to 110 of about 154,153 (296)

Cut Finite Element Methods for Linear Elasticity Problems

open access: yes, 2017
We formulate a cut finite element method for linear elasticity based on higher order elements on a fixed background mesh. Key to the method is a stabilization term which provides control of the jumps in the derivatives of the finite element functions ...
Hansbo, Peter   +2 more
core   +1 more source

Electro‐Active Polymer Actuated Microfiltration Membranes: Design, Performance, and Particle Dynamics

open access: yesAdvanced Functional Materials, EarlyView.
The concept of foulant particle manipulation and detachment from active microfiltration membranes via voltage‐driven vibrations is introduced. Actuator components are initially integrated onto the filtration membranes using an airbrush spray printing technique.
Irem Gurbuz, Hanieh Bazyar, Andres Hunt
wiley   +1 more source

MESHING STIFFNESS AND DYNAMIC ANALYSIS OF GEAR TOOTH SPALLS FAULT BASED ON IMAGE PROCESSING

open access: yesJixie qiangdu, 2022
Tooth surface spalls fault is the irregularly shaped partial pits on the gear surface. In the calculation of gear mesh stiffness. Common method is to simplify the tooth surface spalls to a specific regular shape for research, which has great limitations.
LIU WenZheng   +3 more
doaj  

Improving the Rotational Stiffness of Compact Aerostatic Guideway by Micro-Structures Optimization

open access: yesIEEE Access, 2019
To meet the requirement for the exact computation of rotational stiffness, this paper puts forward a mesh adaptation based analysis method for a compact multi-throttle aerostatic guideway and its constituent micro-structure.
Zhong-Pu Wen   +4 more
doaj   +1 more source

Accuracy Improvement for Stiffness Modeling of Parallel Manipulators [PDF]

open access: yes, 2009
The paper focuses on the accuracy improvement of stiffness models for parallel manipulators, which are employed in high-speed precision machining. It is based on the integrated methodology that combines analytical and numerical techniques and deals with ...
Chablat, Damien   +3 more
core   +4 more sources

Interconnected Porous Hydrogels with Tunable Anisotropy Through Aqueous Emulsion Bioprinting

open access: yesAdvanced Functional Materials, EarlyView.
A 3D bioprintable microporous bioink is developed using an aqueous two‐phase system (ATPS) composed of extracellular matrix (ECM) mimetic biopolymers. The ATPS bioink enables the fabrication of interconnected porous architectures with up to 70% porosity, supporting long‐term cell viability and 3D cell alignment, enabling a simultaneous generation of ...
Hugo Edgar‐Vilar   +4 more
wiley   +1 more source

Influence of the Meshing Phase Difference of Planetary Gear Transmission System in 2. 5MW Wind Turbine Gearbox on Its Inherent Frequency

open access: yesJixie chuandong, 2015
A translational- torsional coupling dynamics model of planetary gear transmission on the low speed shaft in 2. 5 MW wind turbine gearbox is built by using lumped- parameter method.
Xue Dan   +3 more
doaj  

Non-linear dynamic analysis of geared systems, part 2 [PDF]

open access: yes
A good understanding of the steady state dynamic behavior of a geared system is required in order to design reliable and quiet transmissions. This study focuses on a system containing a spur gear pair with backlash and periodically time-varying mesh ...
Houser, Donald R.   +2 more
core   +1 more source

Shape‐Morphing Nanoengineered Hydrogel Ribbons as Hemostats

open access: yesAdvanced Functional Materials, EarlyView.
This study introduces a self‐assembling, shape‐morphing nanoengineered hydrogel ribbon system that rapidly forms porous aggregates in situ for efficient hemostasis in trauma and surgical applications. Abstract Rapid and effective hemorrhage control remains a major challenge in trauma and surgical care, particularly for complex or noncompressible wounds.
Ryan Davis Jr   +9 more
wiley   +1 more source

Research of the Calculation Method of the Gear Time-varying Mesh Stiffness based on FEM

open access: yesJixie chuandong, 2019
At present,the formula for calculating time-varying meshing stiffness of gears is often simplified according to the ISO experimental values. This method cannot accurately reflect the comprehensive characteristics of the meshing stiffness of different ...
Zhang Bobo   +5 more
doaj  

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