Dear Community,

I was trying to apply 3D grid from yasgrid by changing:

// Set the grid type

template<class TypeTag>

struct Grid<TypeTag, TTag::TestPoroElastic> { using type =
Dune::YaspGrid<3>; }; //changed this to 3 insted of 2.


And changing the input parameters for the poroelastic problem.

[Grid]

LowerLeft 0 0 0

UpperRight = 1 1 1


Cells = 10 10 10


[Problem]

Name = poroelastic

EnableGravity = false


[Assembly.NumericDifference]

PriVarMagnitude = 1e5 1e5 1e5


[Component]

SolidDensity = 2700


However, I get this error:


Reading parameters from file params.input.

Computed bounding box tree with 1999 nodes for 1000 grid entities in
0.000275945 seconds.

 -- Using the default temperature of 293.15 in the entire domain. Overload
temperatureAtPos() in your spatial params class to define a custom
temperature field.Or provide the preferred domain temperature via the
SpatialParams.Temperature parameter.

Writing output for problem "poroelastic". Took 0.01 seconds.

Colored 1000 elements with 8 colors in 0.000500432 seconds.



Newton solver configured with the following options and parameters:

 -- Newton.EnableShiftCriterion = true (relative shift convergence
criterion)

 -- Newton.MaxRelativeShift = 1e-08

 -- Newton.MinSteps = 2

 -- Newton.MaxSteps = 18

 -- Newton.TargetSteps = 10

 -- Newton.RetryTimeStepReductionFactor = 0.5

 -- Newton.MaxTimeStepDivisions = 10



Solve: M deltax^k = rNewton: Caught exception: "NumericalProblem
[solveLinearSystem:/home/kwesi/dumux/dumux/dumux/nonlinear/newtonsolver.hh:512]:
Linear solver did not converge"

terminate called after throwing an instance of 'Dumux::NumericalProblem'

  what():  NumericalProblem
[solve:/home/kwesi/dumux/dumux/dumux/nonlinear/newtonsolver.hh:363]: Newton
solver didn't converge after 0 iterations.



Aborted (core dumped)

kwesi@Kwesi:~/dumux/dumux/build-cmake/test/geomechanics/poroelastic$


Please advise me on what to do to view the poroelastic problem in 3D.


Thank you.
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