Analysis of a Finite Element Method--PDE/PROTRANSpringer-Verlag, 1985 - 154 pagine |
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Pagina 62
Granville Sewell. 3.3 The Frontal Solver The amount of storage required by the band solver is about 2Nb ( or Nb for symmetric matrices ) numbers , which is of order O ( N1.5 ) . For large N , this can easily exceed the amount of ...
Granville Sewell. 3.3 The Frontal Solver The amount of storage required by the band solver is about 2Nb ( or Nb for symmetric matrices ) numbers , which is of order O ( N1.5 ) . For large N , this can easily exceed the amount of ...
Pagina 90
Granville Sewell. To compare the relative efficiencies of the band and Lanczos solvers on time dependent problems , the following nonsymmetric test problem was used : = ut 72u + ux + 1 with u = 1 on the boundary and u = 1 ... band solver 90.
Granville Sewell. To compare the relative efficiencies of the band and Lanczos solvers on time dependent problems , the following nonsymmetric test problem was used : = ut 72u + ux + 1 with u = 1 on the boundary and u = 1 ... band solver 90.
Pagina 144
... equation solution method to be employed : BAND - A band solver is used . This is generally the fastest method for small and moderate size problems , but requires more storage than the other two methods . FRONTAL An out - of - core band ...
... equation solution method to be employed : BAND - A band solver is used . This is generally the fastest method for small and moderate size problems , but requires more storage than the other two methods . FRONTAL An out - of - core band ...
Sommario
Partial Differential Equation Applications | 1 |
Elliptic ProblemsForming the Algebraic Equations | 22 |
Elliptic ProblemsSolving the Algebraic Equations | 50 |
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Parole e frasi comuni
A.UX algorithm approximating assumed backward difference method band solver basis functions boundary conditions BOUNDARY FORCE calculated components conjugate gradient method convergence Crank-Nicolson Crank-Nicolson method curved D3EST Default defined in GLOBAL derivatives diagonal dimensional discretization discretization error DISPLACEMENTS DOUBLE PRECISION DOUBLE PRECISION Expression dxdy eigenfunction eigenvalue problem elastic error Expression involving constants ƏR₁ Figure filename finite difference method finite element formula FORTRAN frontal method frontal solver Galerkin grid hyperbolic problems iarcI initial triangulation integration inverse power method Jacobian matrix keyword Lanczos Iteration Lanczos method linear system Newton iteration Newton's method nonlinear nonzero normalized triangle NOUPDATE output PDE/PROTRAN PDE2D piecewise polynomial plot Pn+1 positive definite PRECISION Expression involving PRECISION MATRIX quadratic quartic elements REAL or DOUBLE satisfies Section shown solution solve specified step Structure symmetric updated UPRINT values variables defined vector velocity VERTICES VSOL XGRID xk+1 zero
Riferimenti a questo libro
Nonlinear Functional Analysis and Its Applications: Part 2 B: Nonlinear ... E. Zeidler Anteprima non disponibile - 1989 |
The Numerical Solution of Ordinary and Partial Differential Equations Granville Sewell Anteprima limitata - 2005 |