[Trilinos-Users] amesos solver: MUMPS and SuperLU_Dist
Andrea Penza
pepe.aero at alice.it
Thu Mar 15 10:03:21 MDT 2012
Dear developers,
I'm working with Sundance on system of Navier-Stokes equations.
I reach convergence using NOX-AMESOS solver, calling it through this parameter list in a XML file.
<ParameterList>
<ParameterList name="NOX Solver">
<Parameter name="Nonlinear Solver" type="string" value="Line Search Based"/>
<ParameterList name="Line Search">
<Parameter name="Method" type="string" value="More'-Thuente"/>
</ParameterList>
<ParameterList name="Status Test">
<Parameter name="Max Iterations" type="int" value="50"/>
<Parameter name="Tolerance" type="double" value="1e-10"/>
</ParameterList>
<ParameterList name="Linear Solver">
<Parameter name="Type" type="string" value="Amesos"/>
</ParameterList>
</ParameterList>
</ParameterList>
Amesos will solve the linear step of Newton method implemented in NOX-based solvers. I would like to test different parallel solver, such as MUMPS or SuperLU_Dist, and my question is: once installed, how should I modify my XML file to call one of non-default solvers of Amesos?
Thanks in advance for your support.
Best regards
Andrea
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