Dear John,

I will get the latest version from the cvs tomorrow, since its getting late at my end of the world, and hope for better results.


Thank you for your time and support. I'll keep you informed.


Best regards,

ROB


 
At 11:53 5/05/2004 -0500, you wrote:
Rob van Tol writes:
 > I have PetSc installed ( version 2.2.0 ), without mpi,  for which the tests
 > run correctly. So, I think this may not be the problem. I will check the
 > installation of PetSc again and add MPI. Would it be possible that the
 > absence of MPI is the problem ?

I would definitely check out the latest version of the code from CVS.  There
have been a lot of changes since the last official release.  We are planning
a new release "any day now" :)



Here are my results for ex13 using PETSc, they are similar to those on the web page:
***************************************************************
* Running Example  ./ex13
***************************************************************
 
 Mesh Information:
  mesh_dimension()=2
  spatial_dimension()=3
  n_nodes()=1681
  n_elem()=400
   n_local_elem()=400
   n_active_elem()=400
  n_subdomains()=1
  n_processors()=1
  processor_id()=0
 
 EquationSystems
  n_systems()=1
   System "Navier-Stokes"
    Type "TransientImplicit"
    Variables="u" "v" "p"
    Finite Element Types="0" "0" "0"
    Approximation Orders="2" "2" "1"
    n_dofs()=3803
    n_local_dofs()=3803
    n_constrained_dofs()=0
    n_vectors()=1
  n_parameters()=2
   Parameters:
    "linear solver maximum iterations"=250
    "linear solver tolerance"=0.001
 
 Solving time step 0, time = 0.005
Linear solver converged at step: 16, final residual: 0.121329  Nonlinear convergence: ||u - u_old|| = 223.471
Linear solver converged at step: 24, final residual: 0.000317615  Nonlinear convergence: ||u - u_old|| = 6.531 7
Linear solver converged at step: 28, final residual: 2.58051e-07  Nonlinear convergence: ||u - u_old|| = 0.007 2933
 Nonlinear solver converged at step 2
 Solving time step 1, time = 0.01
Linear solver converged at step: 23, final residual: 0.0025053  Nonlinear convergence: ||u - u_old|| = 35.4701
Linear solver converged at step: 24, final residual: 1.47282e-05  Nonlinear convergence: ||u - u_old|| = 0.046 6908
Linear solver converged at step: 24, final residual: 1.27369e-08  Nonlinear convergence: ||u - u_old|| = 0.000 27294
 Nonlinear solver converged at step 2
 Solving time step 2, time = 0.015
Linear solver converged at step: 24, final residual: 0.000790085  Nonlinear convergence: ||u - u_old|| = 9.794 14
Linear solver converged at step: 24, final residual: 3.41055e-06  Nonlinear convergence: ||u - u_old|| = 0.020 8939
Linear solver converged at step: 28, final residual: 2.96023e-09  Nonlinear convergence: ||u - u_old|| = 0.000 135564
 Nonlinear solver converged at step 2
 Solving time step 3, time = 0.02
Linear solver converged at step: 24, final residual: 0.000382917  Nonlinear convergence: ||u - u_old|| = 4.07167
Linear solver converged at step: 25, final residual: 1.42401e-06  Nonlinear convergence: ||u - u_old|| = 0.00672638
 Nonlinear solver converged at step 1
 Solving time step 4, time = 0.025
Linear solver converged at step: 23, final residual: 0.000247016  Nonlinear convergence: ||u - u_old|| = 2.13266
Linear solver converged at step: 25, final residual: 8.20034e-07  Nonlinear convergence: ||u - u_old|| = 0.00772513
 Nonlinear solver converged at step 1
 Solving time step 5, time = 0.03
Linear solver converged at step: 23, final residual: 0.000126994  Nonlinear convergence: ||u - u_old|| = 1.26206
Linear solver converged at step: 27, final residual: 4.97111e-07  Nonlinear convergence: ||u - u_old|| = 0.0057915
 Nonlinear solver converged at step 1
 Solving time step 6, time = 0.035
Linear solver converged at step: 24, final residual: 8.03056e-05  Nonlinear convergence: ||u - u_old|| = 0.805059
Linear solver converged at step: 24, final residual: 2.93058e-07  Nonlinear convergence: ||u - u_old|| = 0.00147397
 Nonlinear solver converged at step 1
 Solving time step 7, time = 0.04
Linear solver converged at step: 24, final residual: 7.94782e-05  Nonlinear convergence: ||u - u_old|| = 0.53619
Linear solver converged at step: 23, final residual: 1.75705e-07  Nonlinear convergence: ||u - u_old|| = 0.000919154
 Nonlinear solver converged at step 1
 Solving time step 8, time = 0.045
Linear solver converged at step: 23, final residual: 6.92094e-05  Nonlinear convergence: ||u - u_old|| = 0.368994
Linear solver converged at step: 27, final residual: 9.13022e-08  Nonlinear convergence: ||u - u_old|| = 0.00104694
 Nonlinear solver converged at step 1
 Solving time step 9, time = 0.05
Linear solver converged at step: 23, final residual: 4.73186e-05  Nonlinear convergence: ||u - u_old|| = 0.260159
Linear solver converged at step: 27, final residual: 6.18452e-08  Nonlinear convergence: ||u - u_old|| = 0.000762091
 Nonlinear solver converged at step 1
 Solving time step 10, time = 0.055
Linear solver converged at step: 22, final residual: 4.01872e-05  Nonlinear convergence: ||u - u_old|| = 0.187318
Linear solver converged at step: 27, final residual: 3.72042e-08  Nonlinear convergence: ||u - u_old|| = 0.000711503
 Nonlinear solver converged at step 1
 Solving time step 11, time = 0.06
Linear solver converged at step: 22, final residual: 2.7971e-05  Nonlinear convergence: ||u - u_old|| = 0.137235
Linear solver converged at step: 28, final residual: 2.40094e-08  Nonlinear convergence: ||u - u_old|| = 0.000617341
 Nonlinear solver converged at step 1
 Solving time step 12, time = 0.065
Linear solver converged at step: 21, final residual: 2.51357e-05  Nonlinear convergence: ||u - u_old|| = 0.102129
Linear solver converged at step: 28, final residual: 2.11058e-08  Nonlinear convergence: ||u - u_old|| = 0.00086522
 Nonlinear solver converged at step 1
 Solving time step 13, time = 0.07
Linear solver converged at step: 21, final residual: 1.78319e-05  Nonlinear convergence: ||u - u_old|| = 0.07677
Linear solver converged at step: 28, final residual: 1.60542e-08  Nonlinear convergence: ||u - u_old|| = 0.000734319
 Nonlinear solver converged at step 1
 Solving time step 14, time = 0.075
Linear solver converged at step: 21, final residual: 1.27677e-05  Nonlinear convergence: ||u - u_old|| = 0.0582848
Linear solver converged at step: 28, final residual: 1.17971e-08  Nonlinear convergence: ||u - u_old|| = 0.000574086
 Nonlinear solver converged at step 1
 
 ----------------------------------------------------------------------------
| Time:           Wed May  5 11:51:51 2004
| OS:             Linux
| HostName:       arthur
| OS Release      2.4.20-19.9smp
| OS Version:     #1 SMP Tue Jul 15 17:04:18 EDT 2003
| Machine:        i686
| Username:       peterson
 ----------------------------------------------------------------------------
 ----------------------------------------------------------------------------
| Example 13 Performance: Alive time=53.6325, Active time=50.724
 ----------------------------------------------------------------------------
| Event                         nCalls  Total       Avg         Percent of   |
|                                       Time        Time        Active Time  |
|----------------------------------------------------------------------------|
|                                                                            |
| linear solve                  33      50.7240     1.537090    100.00       |
 ----------------------------------------------------------------------------
| Totals:                       33      50.7240                 100.00       |
 ----------------------------------------------------------------------------
 
 
 ----------------------------------------------------------------------------
| Reference count information                                                |
 ----------------------------------------------------------------------------
| 12SparseMatrixIdE reference count information:
| Creations:    1
| Destructions: 1
| 13NumericVectorIdE reference count information:
| Creations:    6
| Destructions: 6
| 21LinearSolverInterfaceIdE reference count information:
| Creations:    1
| Destructions: 1
| 4Elem reference count information:
| Creations:    4640
| Destructions: 4640
| 4Node reference count information:
| Creations:    1681
| Destructions: 1681
| 5QBase reference count information:
| Creations:    66
| Destructions: 66
| 6DofMap reference count information:
| Creations:    1
| Destructions: 1
| 6FEBase reference count information:
| Creations:    66
| Destructions: 66
| 6System reference count information:
| Creations:    1
| Destructions: 1
 ----------------------------------------------------------------------------
 
***************************************************************
* Done Running Example  ./ex13
***************************************************************
make: Leaving directory `/home/peterson/code/libmesh/examples/ex13'


dr. R. van Tol
Computer Simulations and Foundry Processes
tel.:09 2645704 - fax:09 2645848
mailto:rob.vantol@wtcm.be

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