Finite element based surface roughness study for ohmic contact of microswitches [PDF]
, 2012 Finite element method (FEM) is used to model ohmic contact in microswitches. A determinist approach is adopted, including atomic force microscope (AFM) scanning real contact surfaces and generating rough surfaces with three-dimensional mesh.
Broue, Adrien +4 more
core +3 more sources
Inferring the stiffness of unfamiliar objects from optical, shape, and motion cues [PDF]
, 2017 Visually inferring the stiffness of objects is important for many tasks but is challenging because, unlike optical properties (e.g., gloss), mechanical properties do not directly affect image values.
Fleming, Roland W. +3 more
core +2 more sources
Analytical Model of Gear Thermal Stiffness Based on the Potential Energy Method
Applied Sciences, 2023 Stiffness is the main internal excitation of gear system vibration and is the basis for studying the static and dynamic characteristics of the system. Based on the relationship between thermal stress and strain in plane strain theory and combined with ...
Yanbing He, Haibo Yang
doaj +1 more source
Determination of Mesh Stiffness of Gear—Analytical Approach vs. FEM Analysis
Applied Sciences, 2021 This paper focuses on modeling the time-varying stiffness of spur gearings, which in dynamic models of transmission systems acts as an important element of the internal excitation of the dynamic system.
Jan Flek +4 more
doaj +1 more source
A finite element modelling methodology for the non-linear stiffness evaluation of adhesively bonded single lap-joints. Part 2, Novel shell mesh to minimise analysis time [PDF]
, 2012 A new modelling methodology is presented that enables the stiffness of adhesively bonded single lap-joints to be included in the finite element analysis of whole vehicle bodies. This work was driven by the need to significantly reduce computing resources
Mottram, J. Toby, Pearson, Ian T.
core +1 more source
A novel haptic model and environment for maxillofacial surgical operation planning and manipulation [PDF]
, 2012 This paper presents a practical method and a new haptic model to support manipulations of bones and their segments during the planning of a surgical operation in a virtual environment using a haptic interface. To perform an effective dental surgery it is
Arnez, Victor +7 more
core +1 more source
Pitting damage levels estimation for planetary gear sets based on model simulation and grey relational analysis [PDF]
, 2011 The planetary gearbox is a critical mechanism in helicopter transmission systems. Tooth failures in planetary gear sets will cause great risk to helicopter operations.
Cheng, Zhe +3 more
core +1 more source
Applied SciencesIn order to explore the time-varying mesh stiffness and dynamic parameters of bevel gears with different surface roughness, the fractal dimension and characteristic scale coefficient are calculated to determine the fractal dimension of tooth surfaces of ...
Zhi-Jie Cai +5 more
doaj +1 more source
A Hybrid Multistep Procedure for the Vibroacoustic Simulation of Noise Emission from Wind Turbines
Acoustics, 2022 This paper proposes an efficient hybrid analytical-computational approach for the simulation of mechanical vibrations and sound radiation in wind turbine drive trains.The computational procedure encompasses the detailed modeling of vibrational sources ...
Marc Zarnekow +2 more
doaj +1 more source
Dynamics of a split torque helicopter transmission [PDF]
, 1992 A high reduction ratio split torque gear train has been proposed as an alternative to a planetary configuration for the final stage of a helicopter transmission. A split torque design allows a high ratio of power-to-weight for the transmission.
Krantz, Timothy, Rashidi, Majid
core +2 more sources