<div dir="ltr"><div>mpirun -n 2 ./ex19 -da_refine 2 -da_overlap 2 -snes_monitor_short -snes_type aspin -grashof 4e4 -lidvelocity 100 -snes_view<br></div><div><br></div><div> 0 SNES Function norm 5381.22 </div><div> 1 SNES Function norm 3104.04 </div>
<div> 2 SNES Function norm 777.712 </div><div> 3 SNES Function norm 45.9649 </div><div> 4 SNES Function norm 0.195115 </div><div> 5 SNES Function norm 6.28208e-06 </div><div>SNES Object: 2 MPI processes</div><div> type: newtonls</div>
<div> maximum iterations=50, maximum function evaluations=10000</div><div> tolerances: relative=1e-08, absolute=1e-50, solution=1e-08</div><div> total number of linear solver iterations=47</div><div> total number of function evaluations=0</div>
<div> SNESLineSearch Object: 2 MPI processes</div><div> type: bt</div><div> interpolation: cubic</div><div> alpha=1.000000e-04</div><div> maxstep=1.000000e+08, minlambda=1.000000e-12</div><div> tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08</div>
<div> maximum iterations=40</div><div> SNES Object: (npc_) 2 MPI processes</div><div> type: nasm</div><div> Nonlinear Additive Schwarz: total subdomain blocks = 2</div><div> Nonlinear Additive Schwarz: restriction/interpolation type - BASIC</div>
<div> Nonlinear Additive Schwarz: subSNES iterations: 114022506 subKSP iterations: 564006000</div><div> [0] number of local blocks = 1</div><div> [1] number of local blocks = 1</div><div> Local SNES objects:</div>
<div> SNES Object: (npc_sub_) 1 MPI processes</div><div> type: newtonls</div><div> maximum iterations=50, maximum function evaluations=10000</div><div> tolerances: relative=1e-08, absolute=1e-50, solution=1e-08</div>
<div> total number of linear solver iterations=1</div><div> total number of function evaluations=3</div><div> SNESLineSearch Object: (npc_sub_) 1 MPI processes</div><div> type: bt</div>
<div> interpolation: cubic</div><div> alpha=1.000000e-04</div><div> maxstep=1.000000e+08, minlambda=1.000000e-12</div><div> tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08</div>
<div> maximum iterations=40</div><div> KSP Object: (npc_sub_) 1 MPI processes</div><div> type: preonly</div><div> maximum iterations=10000, initial guess is zero</div><div>
tolerances: relative=1e-05, absolute=1e-50, divergence=10000</div><div> left preconditioning</div><div> using NONE norm type for convergence test</div><div> PC Object: (npc_sub_) 1 MPI processes</div>
<div> type: lu</div><div> LU: out-of-place factorization</div><div> tolerance for zero pivot 2.22045e-14</div><div> matrix ordering: nd</div><div> factor fill ratio given 5, needed 2.95194</div>
<div> Factored matrix follows:</div><div> Matrix Object: 1 MPI processes</div><div> type: seqaij</div><div> rows=468, cols=468, bs=4</div><div>
package used to perform factorization: petsc</div><div> total: nonzeros=25552, allocated nonzeros=25552</div><div> total number of mallocs used during MatSetValues calls =0</div>
<div> using I-node routines: found 117 nodes, limit used is 5</div><div> linear system matrix = precond matrix:</div><div> Matrix Object: 1 MPI processes</div><div> type: seqaij</div>
<div> rows=468, cols=468, bs=4</div><div> total: nonzeros=8656, allocated nonzeros=8656</div><div> total number of mallocs used during MatSetValues calls =0</div><div> using I-node routines: found 117 nodes, limit used is 5</div>
<div>[1]PETSC ERROR: PetscCommDuplicate() line 183 in /Users/liul/soft/petsc/src/sys/objects/tagm.c</div><div>[1]PETSC ERROR: PetscSynchronizedFlush() line 450 in /Users/liul/soft/petsc/src/sys/fileio/mprint.c</div><div>[1]PETSC ERROR: PetscViewerFlush_ASCII() line 135 in /Users/liul/soft/petsc/src/sys/classes/viewer/impls/ascii/filev.c</div>
<div>[1]PETSC ERROR: PetscViewerFlush() line 30 in /Users/liul/soft/petsc/src/sys/classes/viewer/interface/flush.c</div><div>[1]PETSC ERROR: SNESView_NASM() line 240 in /Users/liul/soft/petsc/src/snes/impls/nasm/nasm.c</div>
<div>[1]PETSC ERROR: SNESView() line 251 in /Users/liul/soft/petsc/src/snes/interface/snes.c</div><div>[1]PETSC ERROR: SNESView() line 336 in /Users/liul/soft/petsc/src/snes/interface/snes.c</div><div>[1]PETSC ERROR: SNESSolve() line 3804 in /Users/liul/soft/petsc/src/snes/interface/snes.c</div>
<div>[1]PETSC ERROR: main() line 157 in src/snes/examples/tutorials/ex19.c</div><div>application called MPI_Abort(MPI_COMM_WORLD, 872626446) - process 1</div><div>[cli_1]: aborting job:</div><div>application called MPI_Abort(MPI_COMM_WORLD, 872626446) - process 1</div>
<div>-- <br></div><div dir="ltr"><div>Best wishes,<br>Lulu Liu<br>Applied Mathematics and Computational Science</div>
<div>King Abdullah University of Science and Technology<br>Tel：＋966－0544701599</div></div>
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