Analysis of a Finite Element Method--PDE/PROTRANSpringer-Verlag, 1985 - 154 pagine |
Dall'interno del libro
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Pagina 87
... NOUPDATE " keyword which assures that the Jacobian will be calculated only once , and never updated . Otherwise , keyword " AUTOUPDATE " requests that the program update only when the " pseudo - Newton " iteration : ( 4.3.1 ) xk + 1 xke ...
... NOUPDATE " keyword which assures that the Jacobian will be calculated only once , and never updated . Otherwise , keyword " AUTOUPDATE " requests that the program update only when the " pseudo - Newton " iteration : ( 4.3.1 ) xk + 1 xke ...
Pagina 118
... NOUPDATE SYMMETRIC VERTICES * ( 0,0 ) TRIANGLES = ( 1,0 ) ( -0.5,0.8660254038D0 ) ( -0.5 , -0.8660254038D0 ) = ( 1,2,4 , -1 ) PRECISION = DOUBLE ( 2,3,4 , -1 ) ( 3,1,4 , -1 ) END Table 6.1.2 error using error using NT quadratics cubics ...
... NOUPDATE SYMMETRIC VERTICES * ( 0,0 ) TRIANGLES = ( 1,0 ) ( -0.5,0.8660254038D0 ) ( -0.5 , -0.8660254038D0 ) = ( 1,2,4 , -1 ) PRECISION = DOUBLE ( 2,3,4 , -1 ) ( 3,1,4 , -1 ) END Table 6.1.2 error using error using NT quadratics cubics ...
Pagina 145
... NOUPDATE is not specified and the message ' NOTE - JACOBIAN UPDATED UNNECESSARILY ' appears each step after the first , then NOUPDATE may be specified the next time the problem is run . If NOUPDATE is specified a large savings in ...
... NOUPDATE is not specified and the message ' NOTE - JACOBIAN UPDATED UNNECESSARILY ' appears each step after the first , then NOUPDATE may be specified the next time the problem is run . If NOUPDATE is specified a large savings in ...
Sommario
Partial Differential Equation Applications | 1 |
Elliptic ProblemsForming the Algebraic Equations | 22 |
Elliptic ProblemsSolving the Algebraic Equations | 50 |
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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 |