Multilevel algorithms for Rannacher–Turek finite element approximation of 3D elliptic problems - Georgiev, I.; Kraus, J.; Margenov, S. (Computing, 2008)
Keywords: Algorithmics. Computability. Computer arithmetics; Algorithms; Applied mathematics; Applied sciences; Approximation; Artificial Intelligence; Computer Appl. in Administrative Data Processing; Computer Communication Networks; Computer Science; Computer science; control theory; systems; Exact sciences and technology; Finite element analysis; Information Systems Applications (incl.Internet); Mathematics; Methods of scientific computing (including symbolic computation, algebraic computation); Numerical analysis; Numerical analysis. Scientific computation; Sciences and techniques of general use; Software Engineering; Studies; Theoretical computing; Multilevel preconditioners; Non-conforming FEM; CBS constant; Hierarchical basis; 65N22; 65N55; 65N30; Freedom degree; Cauchy Schwarz inequality; Approximation; Three-dimensional calculations; Grid pattern; Non conforming finite element; Iterative method; Non-conforming FEM . Multilevel preconditioners . Hierarchical basis . CBS constant . 65N30; Experimental study; Algorithm; Computational complexity; Partial differential equation; Convergence; Finite element method; Splitting; Numerical analysis; Elliptic equation; Scientific computation; Conforming finite element; Two-dimensional calculations