Multiscale Systems for Flow and Transport
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About this item
| Description: |
Showalter, R (Oregon State University)
Thursday 14th April 2016 - 11:30 to 12:30 |
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| Created: | 2016-04-18 15:58 |
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| Collection: | Melt in the Mantle |
| Publisher: | Isaac Newton Institute |
| Copyright: | Showalter, R |
| Language: | eng (English) |
| Distribution: |
World
(downloadable)
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| Explicit content: | No |
| Aspect Ratio: | 16:9 |
| Screencast: | No |
| Bumper: | UCS Default |
| Trailer: | UCS Default |
| Abstract: | An elliptic-parabolic system of partial differential equations describes the flow of a single-phase incompressible fluid and the transport of a dissolved chemical by advection and diffusion through a heterogeneous porous medium. The objective is to develop an upscaled model of this system which represents the full range of scales observed. After a review of homogenization results for the traditional low contrast and the ε^2-scaled high contrast cases, the new discrete upscaled model based on local affine approximations is constructed. It reproduces the full range of scale contrasts observed in experiments. |
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