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Slow Passage through Multiple Parametric Resonance Tongues
Parametric excitation slow passage multiple resonances amplification
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2015/8/27
This work concerns linear parametrically excited systems that involve multiple resonances. The property of such systems is that if the parameters are fixed and lie inside a resonance tongue, the motio...
Robust design of slow-light tapers in periodic waveguides
robust optimization PDE-constrained optimization shape optimization coupling taper periodic waveguide slow-light photonics
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2015/8/10
This paper concerns the design of tapers for coupling power between uniform and slow-light periodic waveguides. New optimization methods are described for designing robust tapers, which not only perfo...
An extended finite element framework for slow-rate frictional faulting with bulk plasticity and variable friction
extended finite element friction fault plasticity
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2015/7/1
We present an extended finite element (FE) approach for the simulation of slow-rate frictional faulting in geologic media incorporating bulk plasticity and variable friction. The method allows the fau...
Slow Flow of The Reiner-Rivlin Fluid in a Coverging or Diverging Channel with Suction and Injection
Diverging or converging channels porous media viscoelastic fluid intersecting planes
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2009/10/14
Two dimensional slow flow of an viscoinelastic fluid in a converging or diverging channel with porous walls has been studied. It is assumed that, the magnitude of the velocity at the center line of th...
Steady Slow Flow of an Oldroyd 8-Constant Fluid in a Corner Region with a Moving Wall
Non-radial flow Oldroyd 8-constant fluid slow flow circulating cells
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2009/10/13
Viscoelastic fluids have gained increasing importance recently in technological applications. They are considered more realistic when compared to Newtonian fluids in some situations where flow phenome...
Elastodynamic analysis for slow tectonic loading with spontaneous rupture episodes on faults with rate- and state-dependent friction
Elastodynamic analysis slow tectonic loading spontaneous rupture episodes on faults with rate state-dependent friction
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2014/4/8
We present an efficient and rigorous numerical procedure for calculating the elastodynamic response of a fault subjected to slow tectonic loading processes of long duration within which there are epis...