Results 81 to 90 of about 156,572 (295)
Dynamic tooth loads and stressing for high contact ratio spur gears [PDF]
, 1983 An analysis and computer program were developed for calculating the dynamic gear tooth loading and root stressing for high contact ratio gearing (HCRG) as well as LCRG.
Cornell, R. W., Westervelt, W. W.
core +1 more source
An efficient way to assemble finite element matrices in vector languages
, 2015 Efficient Matlab codes in 2D and 3D have been proposed recently to assemble finite element matrices. In this paper we present simple, compact and efficient vectorized algorithms, which are variants of these codes, in arbitrary dimension, without the use ...
Cuvelier, François +2 more
core +2 more sources
Control of Polarization and Polar Helicity in BiFeO3 by Epitaxial Strain and Interfacial Chemistry
Advanced Functional Materials, EarlyView.In BiFeO3 thin films, the interplay of interfacial chemistry, electrostatics, and epitaxial strain is engineered to stabilize homohelicity in polarization textures at the domain scale. The synergistic use of a Bi2O2‐terminated Aurivillius buffer layer and a highly anisotropic compressive epitaxial strain offers new routes to control the polar‐texture ...
Elzbieta Gradauskaite +5 more
wiley +1 more source
RESEARCH ON DYNAMICS CHARACTERISTICS OF SPUR GEAR BASED ON DYNAMIC MSEH STIFFNESS
Jixie qiangduThe rotational speed of gear system directly affects the dynamic characteristies of gear system, but this important factor was often ignored by many scholars in the caleulation of mesh stiffness.
DAI ZhanSheng, LIU GuiMian
doaj
Nonlinear Analysis of Spur Gear Pair with Time-varying Mesh Stiffness
MATEC Web of Conferences, 2014 This study presents nonlinear analysis of single degree of freedom spur gear pair with time-varying mesh stiffness. The backlash is approximated using nonlinear term. The periodic steady-state solutions of the nonlinear system are obtained by closed-form
Rao T. V. V. L. N. +3 more
doaj +1 more source
Mesh refinement in finite element analysis by minimization of the stiffness matrix trace [PDF]
Most finite element packages provide means to generate meshes automatically. However, the user is usually confronted with the problem of not knowing whether the mesh generated is appropriate for the problem at hand.
Huston, Ronald L., Kittur, Madan G.
core +1 more source
Digital Actuation Control of Soft Robotic Origami With Self‐Folding Liquid Crystal Elastomer Hinges
Advanced Functional Materials, EarlyView.Self‐folding soft‐rigid hybrid robotic origami is enabled by liquid crystal elastomer actuators with embedded Joule heating and closed‐loop digital control. Digitally addressable hinges provide reversible and programmable transitions between distinct folded states while maintaining actuation performance at high cycle counts (over 1500).
David C. Bershadsky +3 more
wiley +1 more source
Jixie chuandong, 2014 By using the finite element method,the mesh stiffness and its fluctuation value of helical gears with different parameters are calculated respectively,and the change law of mesh stiffness fluctuation is summarized.The results show that contact ratios are
丁云飞, 刘岚, 吴立言, 常乐浩
doaj
Advanced Functional Materials, EarlyView.Micro‐injection laser‐assisted bioprinting enables ultrafast and precise patterning of small endothelial cell spheroids by injecting a highly concentrated single‐cell suspension into GelMA/ColMA hydrogels. In co‐culture with fibroblasts, controlled pre‐vasculogenic network formation is obtained at microscale resolution.
Charles Handschin +9 more
wiley +1 more source
Jixie chuandong, 2005 Based on the dynamic contact finite element method,the process of the gears meshing is simulated.As a result,the time-varying mesh stiffness is obtained.Then,the multi-body dynamics model of a certain engine is developed;using this model the dynamic ...
李涛, 覃文洁, 王超
doaj