fd2d_prb_gmres_output.txt

是一个接收永磁体磁场计算的程序

November 30 2004   9:30:39.312 AM
 
FD2D
  A two dimensional finite difference algorithm
  for a predator-prey system.
 
  Enter parameter alpha:
  Enter parameter beta:
  Enter parameter gamma:
  Enter parameter delta:
  Enter a in [a,b]:
  Enter b in [a,b]:
  Enter space-step h:
  Enter maximum time t:
  Enter time-step Delta t:
  Enter SOLVE ( 0 = GMRES, 1 = Jacobi ):
 
  Parameters:
 
    ALPHA =        0.400000    
    BETA =          2.00000    
    GAMMA =        0.600000    
    DELTA =         10.0000    
 
    A =             0.00000    
    B =             500.000    
    H =             1.00000    
    BIGJ =          500
    (number of intervals on one side)
    DIMJ =          501
    (number of nodes on one side)
    N =                251001
    (total number of nodes)
 
    T =             150.000    
    (final time)
    DELT =         0.416667E-01
    (time step)
    TIME_STEPS =         3600
 
    MU =           0.416667E-01
    SOLVE =        0.416667E-01
          = GMRES iteration.
 
  Arrays allocated.
 
  Arrays initialized.
 
PRED_PREY1:
  Maximum number of nonzeros =      1255991
 
  Sparse matrix values assigned.
  
  Begin sorting.
November 30 2004   9:30:39.661 AM
November 30 2004   9:30:45.980 AM
 
  Sorting done.
 
  Compress the matrix data.
  Initial number of matrix entries, NZ_NUM =      1255991
  After compression,                NZ_NUM =      1253997
 
  Begin time loop.
   TIME_STEP =          360
November 30 2004   9:32:50.496 AM
 
  Number of iterations:       1
  Convergence measure is   0.207253E-05
  Error estimate   0.225801E-07
  Error code is      0
   TIME_STEP =          720
November 30 2004   9:34:54.145 AM
 
  Number of iterations:       1
  Convergence measure is   0.406177E-05
  Error estimate   0.493358E-07
  Error code is      0
   TIME_STEP =         1080
November 30 2004   9:36:56.984 AM
 
  Number of iterations:       1
  Convergence measure is   0.334033E-05
  Error estimate   0.336713E-07
  Error code is      0
   TIME_STEP =         1440
November 30 2004   9:38:59.576 AM
 
  Number of iterations:       1
  Convergence measure is   0.183979E-04
  Error estimate   0.156162E-06
  Error code is      0
   TIME_STEP =         1800
November 30 2004   9:41:02.725 AM
 
  Number of iterations:       1
  Convergence measure is   0.701653E-04
  Error estimate   0.411304E-06
  Error code is      0
   TIME_STEP =         2160
November 30 2004   9:43:13.761 AM
 
  Number of iterations:       1
  Convergence measure is   0.136241E-03
  Error estimate   0.748989E-06
  Error code is      0
   TIME_STEP =         2520
November 30 2004   9:45:42.044 AM
 
  Number of iterations:       1
  Convergence measure is   0.196362E-03
  Error estimate   0.124458E-05
  Error code is      0
   TIME_STEP =         2880
November 30 2004   9:48:22.933 AM
 
  Number of iterations:       1
  Convergence measure is   0.259167E-03
  Error estimate   0.177351E-05
  Error code is      0
   TIME_STEP =         3240
November 30 2004   9:51:08.222 AM
 
  Number of iterations:       1
  Convergence measure is   0.320919E-03
  Error estimate   0.209638E-05
  Error code is      0
   TIME_STEP =         3600
November 30 2004   9:53:53.946 AM
 
  Number of iterations:       1
  Convergence measure is   0.377493E-03
  Error estimate   0.228976E-05
  Error code is      0
 
FD2D:
  Normal end of execution.
 
November 30 2004   9:53:55.845 AM