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Skip to Search Results- 3Rankin, Robert
- 2Chan, D. H.
- 2Imam, S. M. R.
- 2Morgenstern, N. R.
- 2Robertson, P. K.
- 1Angelopoulos, Vassilis
- 8Graduate and Postdoctoral Studies (GPS), Faculty of
- 8Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 3Geotechnical and Geoenvironmental Engineering Program
- 3Geotechnical and Geoenvironmental Engineering Program/Journal Articles (Geotechnical & Geoenvironmental Engineering)
- 3Physics, Department of
- 3Physics, Department of/Journal Articles (Physics)
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An Item Analysis of the Instability of Parent Report Scores on the Pediatric Evaluation of Disability Inventory
DownloadFall 2012
Purpose: To evaluate item instability of the Pediatric Evaluation of Disability Inventory – Functional Skills Scale completed by parents. Methods: Scoring instability was analyzed between baseline and after 6 months of intervention (T1-T2) on 113 children and between end of intervention and 3...
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2002
Morgenstern, N. R., Robertson, P. K., Imam, S. M. R., Chan, D. H.
Abstract: In very loose sand, the ratio M-p of shear stress to mean normal stress at the peak point of the undrained effective stress path (UESP) is very close to the stress ratio M at the peak point of the capped yield surface. Stress ratios M-p can therefore be used in constructing yield...
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Electrodynamics of magnetosphere‐ionosphere coupling and feedback on magnetospheric field line resonances
Download2007
Marchand, Richard, Lu, J. Y., Rankin, Robert, Solomon, Stanley C., Wang, Wenbin, Lei, J., Rae, I. Johnathan
We present a new dynamic model that describes coupling between standing inertial or ion-acoustic-gyroradius-scale shear Alfven waves, compressional modes, and auroral density disturbances. The model is applied to the excitation of field line resonances (FLRs) in dipolar and stretched geomagnetic...
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Spring 2017
Electrically induced instability of thin liquid films is a contactless pattern transfer method, often called electrohydrodynamic (EHD) lithography, which has gained extensive attention due to its ability in creation of novel micro- and nano-sized structures. The need for powerful microprocessors...
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Spring 2010
We report upon an experimental study of internal gravity waves generated by the large-amplitude vertical oscillations of a circular cylinder in uniformly stratified fluid. Quantitative measurements are performed using a modified synthetic schlieren technique for strongly stratified solutions of...
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Fall 2011
Nonlinearity in the Navier-Stokes equations can originate from a variety of sources, such as contributions stemming from the advective term, constitutive closure models or external factors such as chemical reactions and capillarity. Needless to say, a combination of any of the above sources has...
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Fall 2021
Instability, morphology, and dewetting of thin films have been the subject of intensive research due to their important industrial and technological applications, including decorative or protective coatings, an intervening media in liquid-liquid emulsions, and polymer films in soft lithography....
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Fall 2010
Computational simulations of a perturbed vortex ring are performed to recreate and understand the instability seen in impacting water droplet experiments. Three initial conditions are tried to respectively trigger a Widnall instability, a Rayleigh centrifugal instability, and a vortex breakdown...
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2003
Christiansson, R., Martin, C. D., Kaiser, P. K.
Abstract: When the stress-induced risks to a projects warrant it, in situ stress must be measured. However, as the stress-induced risks increase, i.e.. the stress magnitudes approach the rock mass strength, the confidence in commonly used stress measurement techniques decrease. The design of...