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Numerical simulation of drop retraction after a strain jump
2009
Physical Review E
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We simulate the retraction of the drop to its spherical equilibrium and compare the results with recent experiments. In agreement with the experiments, we observe a two-step relaxation process. ...
A spherical drop of one liquid suspended in another is subjected to an instantaneous initial shear. ...
"Numerical simulation of drop retraction after a strain jump," PHYSICAL REVIEW E 79(4): 046323. DOI: 10.1103/ PhysRevE.79.046323. ...
doi:10.1103/physreve.79.046323
pmid:19518349
fatcat:crdqxrdybfa73lsfw3b32y4cri
Experiment Investigation and Numerical Simulation of Snowdrift on a Typical Large-Span Retractable Roof
2019
Complexity
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To investigate the distribution of snow on retractable roofs, this study proposes a method based on a numerical simulation of snowdrift obtained using the Euler–Euler method in multiphase flow theory. ...
Retractable roofs are commonly used in designing large-span stadiums because of their versatility. ...
Acknowledgments is work was conducted through the financial support of the National Natural Science Foundation of China (Project designation: 51878218 and 51378147). ...
doi:10.1155/2019/5984804
fatcat:67ntkcsaz5aerl6ak66kgr6ema
A numerical study of the solidification process of a retracting fluid filament
2021
Vietnam Journal of Mechanics
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It is found that an increase in the aspect ratio (Ar) in the range of 2 – 14 causes the retraction length to increase. ...
In this study, the retraction and solidification of a fluid filament are studied by a front-tracking method/finite difference scheme. ...
NUMERICAL MODEL AND METHOD This paper considers the retraction and solidification of a fluid filament contacting on a cold flat surface (Fig. 1 ). ...
doi:10.15625/0866-7136/16393
fatcat:yiqgboqugbeh7o2xgc6tf2gu7a
Mechanical behaviour of a prototype orthodontic retraction spring: a numerical-experimental study
2011
European Journal of Orthodontics
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The purpose of this study was to examine the mechanical behaviour of orthodontic delta retraction springs. Twelve titanium -molybdenum (0.016 × 0.022 inch) delta loops were studied. ...
Force levels varied from 0.1 N (10 g) to 2.2 N (224 g) at 1.4 -8.1 mm of activation for the numerical study and from 0.44 N (45 g) at 1 mm to 2.02 N (206 g) at 6 mm of activation in the experimental study ...
Ignácio (Ponti cal University of Paraná) for undertaking the statistical analysis . ...
doi:10.1093/ejo/cjr062
pmid:21778520
fatcat:hduumcztanaytolht2g7rss44i
Retracted: Numerical Solution of Nonlinear Fredholm Integrodifferential Equations by Hybrid of Block-Pulse Functions and Normalized Bernstein Polynomials
2014
Abstract and Applied Analysis
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The paper titled "Numerical Solution of Nonlinear Fredholm Integrodifferential Equations by Hybrid of Block-Pulse Functions and Normalized Bernstein Polynomials" [1] , published in Abstract and Applied ...
Analysis, has been retracted as an almost identical paper by the same author has been simultaneously submitted to and published in Journal of Computational and Applied Mathematics. ...
doi:10.1155/2014/610947
fatcat:pwgk2aokgzab7b7z3bitipub6u
A Numerical Simulation of Orthodontic Tooth Movement Produced by a Canine Retraction Spring
2007
Dental materials journal
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In other words, one bend decreased the effect of the other, when both bends were incorporated in the spring. ...
As a result, the canine moved almost bodily after a prolonged period of time. Such tooth movements cannot be estimated from the initial force system. ...
The authors carried out numerical simulations of orthodontic tooth movements by means of a threedimensional finite element method. ...
doi:10.4012/dmj.26.561
fatcat:nw2upxhjuvhflpckyfkuxunwca
Numerical simulations of canine retraction with T-loop springs based on the updated moment-to-force ratio
2010
European Journal of Orthodontics
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American Journal of Orthodontics and Dentofacial Orthopedics 115: 267-274 Kojima Y, Fukui H 2005 Numerical simulation of canine retraction by sliding mechanics. ...
Inoue (1989) has calculated tooth movement induced by resorption and apposition of the alveolar bone using a two-dimensional finite element Numerical simulations of canine retraction with T-loop springs ...
doi:10.1093/ejo/cjq164
pmid:21135033
fatcat:w7vwbzx4tffopi524w4lblw3ni
Simultaneous Intrusion and Retraction in Begg Appliance and Evaluation of Same by Non-numerical Approach by Esthetic Analysis
2011
Journal of Indian Orthodontic Society
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A non-numeric approach analysis called esthetic analysis is used for lower third of face to evaluate the treatment results. ...
The present case utilizes the conventional technique of archwire modification according to Hocevar in Begg's technique for true incisor intrusion and simultaneous retraction. ...
Application of non-numerical approach for the evaluation of the profile is an easy method to identify the problems of lower third of face and the treatment result achieved in such cases. ...
doi:10.5005/jp-journals-10021-1046
fatcat:g5ifnttmibartoillj5ms6qxwe
Dynamics of retracting surfactant-laden ligaments at intermediate Ohnesorge number
[article]
2020
arXiv
pre-print
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2020 pre-print arXiv:2001.11029v1 fatcat:uew63yfnlncp7dcae4p5sf7e4q
We perform fully three-dimensional, two-phase direct numerical simulations of the retraction dynamics with soluble surfactants. ...
The dynamics of ligaments retracting under the action of surface tension occurs in a multitude of natural and industrial applications, such as inkjet printing and atomisation. ...
We also acknowledge HPC facilities provided by the Research Computing Service (RCS) of Imperial College London for the computing time. ...
arXiv:2001.11029v2
fatcat:zx6uc7wwvjc75gr7xi57kzjjb4
RETRACTED ARTICLE: Preface to the special issue on "Practical methods and rigorous theories in numerical algebra and scientific computing"
2014
Journal of Engineering Mathematics
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This version of the preface to the special issue of the Journal of Engineering Mathematics on "Practical methods and rigorous theories in numerical algebra and scientific computing" was retracted by the ...
Editors-in-Chief with the agreement of the authors because it was based too closely on a preface the authors had co-written for a previous special issue of another journal [Bai, Duff and Reichel, Numer ...
doi:10.1007/s10665-014-9724-3
fatcat:nplb2y4exvhkjikcnhqkpnzfbq
Retraction: Numerical study for single and multiple damage detection and localization in beam-like structures using BAT algorithm
2017
Journal of Vibroengineering
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The finite element method is used to apply damage at specific element(s) of the considered beams. ...
A procedure for detecting and locating damage of beam-like structures based on BAT algorithm is used. ...
In Section 3, we present a numerical model of the beam structure. Implementation of BAT and PSO algorithm for damage detection and localization is given in Section 4. ...
doi:10.21595/jve.2017.19532
fatcat:i5dpwshroff63lehbgiuec4kdq
Numerical Investigation of the Effect of Viscoelasticity on Drop Retraction and the Evaluation of Interfacial Tension between Polymer Melts
2020
Advances in Polymer Technology
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The first is to numerically investigate and reveal the effect of polymer viscoelasticity on the retraction of a deformed drop using the lattice Boltzmann (LB) method and polymer kinetic theory. ...
Compared with the conventional deformed drop retraction method (DDRM), the present method is designed to greatly reduce the impact of polymer viscoelasticity on measuring interfacial tension. ...
Acknowledgments is work was financially supported by the National Natural Science Foundation of China (no. 51805379). ...
doi:10.1155/2020/8405745
fatcat:cxelyi6o7ffhvpv7y5m2oxdrdm
RETRACTED ARTICLE: Investigation of a Fatigue Resistant Retrofit Method for Highmast Luminaire Support Structures. Part I: Numerical Study
2018
International Journal of Steel Structures
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1 Institute of Construction and Environmental Engineering, Seoul National University, 1 Gwanak-ro, 32-303, Gwanak-gu, Seoul 08826, Republic of Korea ...
All named authors agree to this retraction. The online version of this article contains the full text of the retracted article as electronic supplementary material. ...
The corresponding author has retracted this article as it is apparent that the article was submitted without permission of the named co-authors, and hence permission for copyright transfer was not obtained ...
doi:10.1007/s13296-018-0001-6
fatcat:jtgglo37cbalfl73ua4rbnvdbq
Von Mises stresses on Mushroom-loop archwires for incisor retraction: a numerical study
2020
Dental Press Journal of Orthodontics
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To perform a numerical simulation using FEM to study the von Mises stresses on Mushroom archwires. ...
Tensions revealed a maximum of 1158 MPa at the whole part of the loop at 5.0mm of activation, except in a very small area situated at the top of the loop, in which a maximum of 1324 Mpa was found. ...
The 3D Finite Element Analysis (FEM) has been widely used for the analysis of complex structures under different loads and conditions, 1-2 because one of the most important parts of numerical analysis ...
doi:10.1590/2177-6709.25.4.044-050.oar
pmid:32965386
pmcid:PMC7510485
fatcat:2l5pld3genfs7jpm44o5eidmty
Experimental and Numerical Study on Air Flow Behavior for a Novel Retractable Reverse Circulation Drill Bit of Casing-while-Drilling (CwD)
2021
Geofluids
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Using numerical simulations and experiments, the influence of the gas channel structure parameters of the drill bit, including the inner jet nozzles, flushing nozzles, suction channel, and other parameters ...
The drill bit is a special retractable drill bit with an exclusive reverse circulation gas channel. ...
Experimental Measurements In order to test the performance of the retractable drill bit and verify the proposed numerical model, an experimental test stand was designed (see Figure 5) . ...
doi:10.1155/2021/3586572
fatcat:m64nhqt7rvcn5levsx5cxvlzda
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