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ODE: Automatically activate Newton-damping when needed [...]

To: dolfin-dev@xxxxxxxxxx
From: dolfin@xxxxxxxxxx
Date: Fri, 11 Nov 2005 21:55:46 +0100
Reply-to: Discussion of DOLFIN development <dolfin-dev@xxxxxxxxxx>
Sender: Anders Logg <logg@xxxxxxxxxx>

Commit from logg (2005-11-11 21:55 CET)
----------------

ODE: Automatically activate Newton-damping when needed

The multi-adaptive fixed-point solver now automatically switches to
diagonal Newton damping whenever the system does not converge.

  dolfin  src/demo/solvers/ode/reaction/bench.log                1.7
  dolfin  src/demo/solvers/ode/reaction/main.cpp                 1.27
  dolfin  src/kernel/ode/MultiAdaptiveFixedPointSolver.cpp       1.21
  dolfin  src/kernel/ode/MultiAdaptiveNewtonSolver.cpp           1.28
  dolfin  src/kernel/ode/MultiAdaptiveTimeSlab.cpp               1.44
  dolfin  src/kernel/ode/TimeSlabSolver.cpp                      1.35
  dolfin  src/kernel/ode/TimeStepper.cpp                         1.81
  dolfin  src/kernel/ode/dolfin/MultiAdaptiveFixedPointSolver.h  1.10
  dolfin  src/kernel/ode/dolfin/MultiAdaptiveTimeSlab.h          1.22