> On 13 Feb 2018, at 06:19, Miguel Zilhão
> <miguel.zilhao.nogue...@tecnico.ulisboa.pt> wrote:
>
> hi Erik,
>
> thanks for your reply. i've tried to set the parameters as you described, but
> i'm getting a Carpet
> assertion failure:
>
> cactus_Lean_ET: Cactus/arrangements/Carpet/CarpetLib/src/gh.cc:61
> <http://gh.cc:61/>: gh::gh(const
> std::vector<vect<int, 3> >&, centering, int, centering, const
> std::vector<std::vector<bbox<int, 3> >
>> &, const i2vect&): Assertion `all(box.shape() / box.stride() >=
>> boundary_width[0] +
> boundary_width[1])' failed.
>
> here's how i'm specifying my grid:
>
> CoordBase::xmin = -48.00
> CoordBase::ymin = -48.00
> CoordBase::zmin = 0.00
> CoordBase::xmax = +48.00
> CoordBase::ymax = +48.00
> CoordBase::zmax = +0.00
> CoordBase::dx = 2.00
> CoordBase::dy = 2.00
> CoordBase::dz = 2.00
>
> driver::ghost_size_x = 3
> driver::ghost_size_y = 3
> driver::ghost_size_z = 0
>
> CoordBase::boundary_size_x_lower = 3
> CoordBase::boundary_size_y_lower = 3
> CoordBase::boundary_size_z_lower = 0
> CoordBase::boundary_size_x_upper = 0
> CoordBase::boundary_size_y_upper = 0
> CoordBase::boundary_size_z_upper = 0
>
> CoordBase::boundary_shiftout_x_lower = 0
> CoordBase::boundary_shiftout_y_lower = 0
> CoordBase::boundary_shiftout_z_lower = 0
>
> am i missing something?
Hi Miguel,
There is an example parameter file in Kranc, for a true 2D Laplace equation
(i.e. it doesn't take derivatives in the z direction):
https://github.com/ianhinder/Kranc/blob/master/Examples/laplace.par
I have not tried this recently, but it worked at one point.
--
Ian Hinder
http://members.aei.mpg.de/ianhin
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