On mixed finite element techniques for elliptic problems | Zendy

Muhammad Aslam Noor | Zendy

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On mixed finite element techniques for elliptic problems

Author(s) -

Muhammad Aslam Noor

Publication year - 1982

Publication title -

international journal of mathematics and mathematical sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.21

H-Index - 39

eISSN - 1687-0425

pISSN - 0161-1712

DOI - 10.1155/s0161171283000642

Subject(s) - mathematics , lagrange multiplier , finite element method , saddle point , mixed finite element method , nonlinear system , mathematical analysis , extended finite element method , mathematical optimization , geometry , physics , quantum mechanics , thermodynamics

The main aim of this paper is to consider the numerical approximation ofmildly nonlinear elliptic problems by means of finite element methods of mixed type. The technique is based on an extended variational principle, in which the constraint of interelement continuity has been removed at the expense of introducing a Lagrange multiplier

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