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Multiscale phenomena: Green's functions, the Dirichlet-to-Neumann formulation, subgrid scale models, bubbles and the origins of stabilized methods
Open accessAbstract
An approach is developed for deriving variational methods capable of representing multiscale phenomena. The ideas are first illustrated on the exterior problem for the Helmholtz equation. This leads to the well-known Dirichlet-to-Neumann formulation. Next, a class of subgrid scale models is developed and the relationships to ‘bubble function’ methods and stabilized methods are established. It is shown that both the latter methods are approximate subgrid scale models. The identification for stabilized methods leads to an analytical formula for τ, the ‘intrinsic time scale’, whose origins have been a mystery heretofore.
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Hughes, T. J. R., Franca, L. P., & Hulbert, G. M. (1989) · Computer Methods in Applied Mechanics and Engineering · doi:10.1016/0045-7825(89)90111-4 · Cited by 1,458
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Multiscale modeling of polymer rheology
De, S., Fish, J., Shephard, M. S., Keblinski, P., & Kumar, S. K. (2006) · Physical Review E · doi:10.1103/physreve.74.030801 · Cited by 32
Metadata
- Authors
- Hughes, T. J. R.
- Venue
- Computer Methods in Applied Mechanics and Engineering
- Publisher
- Elsevier BV
- Published
- 1995-11
- Volume
- 127
- Issue
- 1-4
- Pages
- 387-401
- ISSN
- 0045-7825 (ISSN-L)
- OpenAlex
- W2070033465
- Cited by
- 1,807
- References
- 1
- FWCI
- 13.88
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Hughes, T. J. R. (1995). Multiscale phenomena: Green's functions, the Dirichlet-to-Neumann formulation, subgrid scale models, bubbles and the origins of stabilized methods. Computer Methods in Applied Mechanics and Engineering. https://doi.org/10.1016/0045-7825(95)00844-9
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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