Front Tracking
Mostrando 13-18 de 18 artigos, teses e dissertações.
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13. Front tracking in recirculating flows: a comparison between the TVD and RCM methods in solving the VOF equation
The modeling and simulation of mold filling must include a method to capture the interface formed between the inlet fluid and the fluid that was initially in the mold. A commonly used front-capturing method in a Eulerian mesh is the volume-of-fluid (VOF) method. The VOF advection equation solution may show numerical diffusion and/or dispersion and high-order
Brazilian Journal of Chemical Engineering. Publicado em: 2005-03
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14. Gamma-ray tracking with segmented HPGe detectors
This paper gives a brief overview of the technical progress that can be achieved with the newly available segmented HPGe detectors. Gamma-ray tracking detectors are a new generation of HPGe detectors which are currently being developed to improve significantly the efficiency and resolving power of the 4pi germanium detectors arrays for high-precision gamma-r
Brazilian Journal of Physics. Publicado em: 2003-06
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15. A comparison of experimental, theoretical, and numerical simulation Rayleigh–Taylor mixing rates
We present a Rayleigh–Taylor mixing rate simulation with an acceleration rate falling within the range of experiments. The simulation uses front tracking to prevent interfacial mass diffusion. We present evidence to support the assertion that the lower acceleration rate found in untracked simulations is caused, at least to a large extent, by a reduced buoy
The National Academy of Sciences.
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16. Conservative front tracking and level set algorithms
Hyperbolic conservation laws are foundational for many branches of continuum physics. Discontinuities in the solutions of these partial differential equations are widely recognized as a primary difficulty for numerical simulation, especially for thermal and shear discontinuities and fluid–fluid internal boundaries. We propose numerical algorithms that
The National Academy of Sciences.
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17. Tracking Retrograde Flow in Keratocytes: News from the FrontV⃞
Actin assembly at the leading edge of the cell is believed to drive protrusion, whereas membrane resistance and contractile forces result in retrograde flow of the assembled actin network away from the edge. Thus, cell motion and shape changes are expected to depend on the balance of actin assembly and retrograde flow. This idea, however, has been undermined
The American Society for Cell Biology.
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18. Cytoskeleton-dependent Membrane Domain Segregation during Neutrophil Polarization
On treatment with chemoattractant, the neutrophil plasma membrane becomes organized into detergent-resistant membrane domains (DRMs), the distribution of which is intimately correlated with cell polarization. Plasma membrane at the front of polarized cells is susceptible to extraction by cold Triton X-100, whereas membrane at the rear is resistant to extract
The American Society for Cell Biology.