Least-squares finite element approximations to solutions of interface problems
| dc.contributor | Virginia Tech | en |
| dc.contributor.author | Cao, Y. Z. | en |
| dc.contributor.author | Gunzburger, Max D. | en |
| dc.contributor.department | Mathematics | en |
| dc.date.accessed | 2014-05-27 | en |
| dc.date.accessioned | 2014-05-28T18:35:05Z | en |
| dc.date.available | 2014-05-28T18:35:05Z | en |
| dc.date.issued | 1998-02 | en |
| dc.description.abstract | A least-squares finite element method for second-order elliptic boundary value problems having interfaces due to discontinuous media properties is proposed and analyzed. Both Dirichlet and Neumann boundary data are treated. The boundary value problems are recast into a firstorder formulation to which a suitable least-squares principle is applied. Among the advantages of the method are that nonconforming, with respect to the interface, approximating subspaces may be used. Moreover, the grids used on each side of an interface need not coincide along the interface. Error estimates are derived that improve on other treatments of interface problems and a numerical example is provided to illustrate the method and the analyses. | en |
| dc.description.sponsorship | Air Force Office of Scientific Research grant AFOSR-93-1-0280, AFOSR-93-1-0280 | en |
| dc.identifier.citation | Cao, Y. Z.; Gunzburger, M. D., "Least-squares finite element approximations to solutions of interface problems," SIAM J. Numer. Anal., 35(1), 393-405, (1998). DOI: 10.1137/s0036142996303249 | en |
| dc.identifier.doi | https://doi.org/10.1137/s0036142996303249 | en |
| dc.identifier.issn | 0036-1429 | en |
| dc.identifier.uri | http://hdl.handle.net/10919/48146 | en |
| dc.identifier.url | http://epubs.siam.org/doi/abs/10.1137/S0036142996303249 | en |
| dc.language.iso | en_US | en |
| dc.publisher | Siam Publications | en |
| dc.rights | In Copyright | en |
| dc.rights.uri | http://rightsstatements.org/vocab/InC/1.0/ | en |
| dc.subject | least-squares finite element methods | en |
| dc.subject | interface problems | en |
| dc.subject | stokes equations | en |
| dc.subject | mathematics, applied | en |
| dc.title | Least-squares finite element approximations to solutions of interface problems | en |
| dc.title.serial | Siam Journal on Numerical Analysis | en |
| dc.type | Article - Refereed | en |
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