Finite element approximation for a div-rot system with mixed boundary conditions in non-smooth plane domains
Applications of Mathematics, Tome 29 (1984) no. 4, pp. 272-285

Voir la notice de l'article provenant de la source Czech Digital Mathematics Library

DOI MR   Zbl

The authors examine a finite element method for the numerical approximation of the solution to a div-rot system with mixed boundary conditions in bounded plane domains with piecewise smooth boundary. The solvability of the system both in an infinite and finite dimensional formulation is proved. Piecewise linear element fields with pointwise boundary conditions are used and their approximation properties are studied. Numerical examples indicating the accuracy of the method are given.
The authors examine a finite element method for the numerical approximation of the solution to a div-rot system with mixed boundary conditions in bounded plane domains with piecewise smooth boundary. The solvability of the system both in an infinite and finite dimensional formulation is proved. Piecewise linear element fields with pointwise boundary conditions are used and their approximation properties are studied. Numerical examples indicating the accuracy of the method are given.
DOI : 10.21136/AM.1984.104095
Classification : 35Q99, 65N30, 65Z05, 78A25
Keywords: Maxwell equations; finite element method; div-rot system; mixed boundary conditions; piecewise smooth boundary; Piecewise linear element fields; numerical examples
Křížek, Michal; Neittaanmäki, Pekka. Finite element approximation for a div-rot system with mixed boundary conditions in non-smooth plane domains. Applications of Mathematics, Tome 29 (1984) no. 4, pp. 272-285. doi: 10.21136/AM.1984.104095
@article{10_21136_AM_1984_104095,
     author = {K\v{r}{\'\i}\v{z}ek, Michal and Neittaanm\"aki, Pekka},
     title = {Finite element approximation for a div-rot system with mixed boundary conditions in non-smooth plane domains},
     journal = {Applications of Mathematics},
     pages = {272--285},
     year = {1984},
     volume = {29},
     number = {4},
     doi = {10.21136/AM.1984.104095},
     mrnumber = {0754079},
     zbl = {0575.65125},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1984.104095/}
}
TY  - JOUR
AU  - Křížek, Michal
AU  - Neittaanmäki, Pekka
TI  - Finite element approximation for a div-rot system with mixed boundary conditions in non-smooth plane domains
JO  - Applications of Mathematics
PY  - 1984
SP  - 272
EP  - 285
VL  - 29
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.21136/AM.1984.104095/
DO  - 10.21136/AM.1984.104095
LA  - en
ID  - 10_21136_AM_1984_104095
ER  - 
%0 Journal Article
%A Křížek, Michal
%A Neittaanmäki, Pekka
%T Finite element approximation for a div-rot system with mixed boundary conditions in non-smooth plane domains
%J Applications of Mathematics
%D 1984
%P 272-285
%V 29
%N 4
%U http://geodesic.mathdoc.fr/articles/10.21136/AM.1984.104095/
%R 10.21136/AM.1984.104095
%G en
%F 10_21136_AM_1984_104095

[1] J. H. Bramble A. H. Schatz: Least squares methods for 2m th order elliptic boundary-value problems. Math. Сотр. 25 (1971), 1-32. | MR

[2] P. G. Ciarlet: The finite element method for elliptic problems. North-Hiolland Publishing Company, Amsterdam, New York, Oxford, 1978. | MR | Zbl

[3] M. Crouzeix A. Y. Le Roux: Ecoulement d'une fluide irrotationnel. Journées Elements Finis. Université de Rennes, Rennes, 1976.

[4] P. Doktor: On the density of smooth functions in certain subspaces of Sobolev spaces. Comment. Math. Univ. Carolin. 14, 4 (1973), 609-622. | MR

[5] G. J. Fix M. D. Gunzburher R. A. Nicolaides: On mixed finite element methods for first order elliptic systems. Numer. Math. 37 (1981), 29-48. | DOI | MR

[6] V. Girault P. A. Raviart: Finite element approximation of the Navier-Stokes equation. Springer-Verlag, Berlin, Heidelberg, New York, 1979. | MR

[7] P. Grisvard: Behaviour of the solutions of an elliptic boundary value problem in a polygonal or polyhedral domain. Numerical Solution of Partial Differential Equations III, Academic Press, New York, 1976, 207-274. | MR

[8] J. Haslinger P. Neittaanmäki: On different finite element methods for approximating the gradient of the solution to the Helmholtz equation. Comput. Methods Appl. Mech. Engrg. 42 (1984), 131-148. | DOI | MR

[9] M. Křížek: Conforming equilibrium finite element methods for some elliptic plane problems. RAIRO Anal. Numer. 17 (1983), 35-65. | DOI | MR

[10] M. Křížek P. Neittaanmäki: On the validity of Friedrich's inequalities. Math. Scand. (to appear). | MR

[11] R. Leis: Anfangsrandwertaufgaben der mathematischen Physik. SFB 74, Bonn, preprint. | MR | Zbl

[12] J. Nečas: Les méthodes directes en théorie des équations elliptiques. Academia, Prague, 1967. | MR

[13] J. Nečas I. Hlaváček: Mathematical theory of elastic and elasto-plastic bodies: an introduction. Elsevier Scientific Publishing Company, Amsterdam, Oxford. New York, 1981. | MR

[14] P. Neittaanmäki R. Picard: On the finite element method for time harmonic acoustic boundary value problems. J. Comput. Math. Appl. 7 (1981), 127-138. | DOI | MR

[15] P. Neittaanmäki J. Saranen: Finite element approximation of vector fields given by curl and divergence. Math. Meth. Appl. Sci. 3 (1981), 328-335. | DOI | MR

[16] P. Neittaanmäki J. Saranen: A modified least squares FE-method for ideal fluid flow problems. J. Comput. Appl. Math. 8 (1982), 165-169. | DOI

[17] J. Saranen: Über die Approximation der Lösungen der Maxwellschen Randwertaufgabe mil der Methode der finiten Elemente. Applicable Anal. 10 (1980), 15 - 30. | MR

[18] J. Saranen: A least squares approximation method for first order elliptic systems of plane. Applicable Anal. 14 (1982), 27-42. | DOI | MR | Zbl

[19] I. N. Sneddon: Mixed boundary value problems in potential theory. North-Holland Publishing Company, Amsterdam, 1966. | MR | Zbl

[20] J. M. Thomas: Sur l'analyse numérique des méthodes d'éléments finis hybrides et mixtes. Thesis, Université Paris VI, 1977.

[21] W. L. Wendland E. Stephan G. C. Hsiao: On the integral equation method for the plane mixed boundary value problem of the Laplacian. Math. Meth. Appl. Sci. 1 (1979), 265-321. | DOI | MR

Cité par Sources :