Estimation of the characteristic of contact line uplift and strain in the neighborhood of a tunnel inlet by computer simulation

Modelling the superspreading of surfactant-laden droplets with computer simulation

Soft Matter ◽

10.1039/c5sm02090e ◽

2015 ◽

Vol 11 (48) ◽

pp. 9254-9261 ◽

Cited By ~ 18

Author(s):

Panagiotis E. Theodorakis ◽

Erich A. Müller ◽

Richard V. Craster ◽

Omar K. Matar

Keyword(s):

Computer Simulation ◽

Contact Line ◽

Temporal Evolution ◽

Surfactant Adsorption ◽

Spatio Temporal

Spatio-temporal evolution of a droplet undergoing surfactant-driven superspreading facilitated by surfactant adsorption from the liquid–vapour (LV) interface onto the substrate through the contact-line, and replenishment of the LV interface with surfactant from the bulk.

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Discrete-continuous computational model of the coupled dynamic system: pantograph – overhead contact line

Transportation Overview - Przeglad Komunikacyjny ◽

10.35117/a_eng_16_05_08 ◽

2016 ◽

Vol 2016 (5) ◽

pp. 71-83 ◽

Cited By ~ 1

Author(s):

Danuta Bryja ◽

Dawid Prokopowicz

Keyword(s):

Computer Simulation ◽

Dynamic System ◽

Computational Model ◽

Contact Line ◽

Degrees Of Freedom ◽

Equations Of Motion ◽

Equation Of Motion ◽

Dynamic Interaction ◽

Catenary System ◽

Cable Vibrations

The paper presents the computational model of the pantograph – overhead contact line (OCL), which uses the theory of cable vibrations and Lagrange – Ritz approximation method to derive equations of motion of the overhead contact line subjected to moving pantographs. The pantograph is modelled as a dynamic system of two degrees of freedom describing the motion of two masses replacing a collector head and an articulating frame. The overhead contact line is defined as a catenary system with continuously distributed mass. It consists of a multi-span cable characterized by a curvilinear route (catenary wire) and a straight cable (contact wire) connected with a catenary wire by elastic droppers. The main objective of the paper is to present principal ideas of the computational model, with a particular emphasis on formulating the equation of motion of a pre-tensioned multi-span cable with non-negligible static sag. Much attention is paid to the description of dynamic interaction between the pantograph and overhead contact line. The model allows computer simulation of catenary vibrations induced by two pantographs passing over the contact line, as well as a simulation of dynamic increments of the contact force.

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Characterization of Modulated Structure Through Structure Images and their Computer Simulation

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100179105 ◽

1990 ◽

Vol 48 (1) ◽

pp. 70-71

Author(s):

Kiyomichi Nakai ◽

Yusuke Isobe ◽

Chiken Kinoshita ◽

Kazutoshi Shinohara

Keyword(s):

Computer Simulation ◽

High Resolution ◽

Spherical Aberration ◽

High Resolution Electron Microscopy ◽

Basic Mechanism ◽

Objective Lens ◽

Specimen Thickness ◽

Transmitted Beam ◽

Modulated Structure ◽

Resolution Electron

Induced spinodal decomposition under electron irradiation in a Ni-Au alloy has been investigated with respect to its basic mechanism and confirmed to be caused by the relaxation of coherent strain associated with modulated structure. Modulation of white-dots on structure images of modulated structure due to high-resolution electron microscopy is reduced with irradiation. In this paper the atom arrangement of the modulated structure is confirmed with computer simulation on the structure images, and the relaxation of the coherent strain is concluded to be due to the reduction of phase-modulation.Structure images of three-dimensional modulated structure along <100> were taken with the JEM-4000EX high-resolution electron microscope at the HVEM Laboratory, Kyushu University. The transmitted beam and four 200 reflections with their satellites from the modulated structure in an fee Ni-30.0at%Au alloy under illumination of 400keV electrons were used for the structure images under a condition of the spherical aberration constant of the objective lens, Cs = 1mm, the divergence of the beam, α = 3 × 10-4 rad, underfocus, Δf ≃ -50nm and specimen thickness, t ≃ 15nm. The CIHRTEM code was used for the simulation of the structure image.

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Continuous-progress education. II. Computer simulation model of a flexible dental curriculum

Journal of Dental Education ◽

10.1002/j.0022-0337.1972.36.12.tb00621.x ◽

1972 ◽

Vol 36 (12) ◽

pp. 27-32

Author(s):

NS Logan ◽

RM Jacobs

Keyword(s):

Computer Simulation ◽

Simulation Model ◽

Computer Simulation Model ◽

Dental Curriculum ◽

Continuous Progress

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Computer simulation of a dental practice using therapists

Journal of Dental Education ◽

10.1002/j.0022-0337.1972.36.6.tb00547.x ◽

1972 ◽

Vol 36 (6) ◽

pp. 35-39

Author(s):

JB Dilworth ◽

WJ Pelton

Keyword(s):

Computer Simulation ◽

Dental Practice

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Averting robo-bees: why free-flying robotic bees are a bad idea

Emerging Topics in Life Sciences ◽

10.1042/etls20190063 ◽

2019 ◽

Vol 3 (6) ◽

pp. 723-729

Author(s):

Roslyn Gleadow ◽

Jim Hanan ◽

Alan Dorin

Keyword(s):

Climate Change ◽

Computer Simulation ◽

Food Security ◽

European Countries ◽

Plant Interactions ◽

Plant Insect Interactions ◽

Native Habitat ◽

Insect Pollinators ◽

Insect Interactions

Food security and the sustainability of native ecosystems depends on plant-insect interactions in countless ways. Recently reported rapid and immense declines in insect numbers due to climate change, the use of pesticides and herbicides, the introduction of agricultural monocultures, and the destruction of insect native habitat, are all potential contributors to this grave situation. Some researchers are working towards a future where natural insect pollinators might be replaced with free-flying robotic bees, an ecologically problematic proposal. We argue instead that creating environments that are friendly to bees and exploring the use of other species for pollination and bio-control, particularly in non-European countries, are more ecologically sound approaches. The computer simulation of insect-plant interactions is a far more measured application of technology that may assist in managing, or averting, ‘Insect Armageddon' from both practical and ethical viewpoints.

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