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A list of all pages that have property "Describe numerical limitations" with value "Can be very slow in complex systems.". Since there have been only a few results, also nearby values are displayed.

Showing below up to 26 results starting with #1.

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List of results

  • Model:GPM  + (Can be very slow in complex systems.)
  • Model:GSFLOW-GRASS  + (Catchment must be small enough that it can be approximated as being flat.)
  • Model:AquaTellUs  + (Code is research grade)
  • Model:Point-Tidal-flat  + (Code is research grade)
  • Model:GNE  + (Concerns about extrapolations beyond range of data used for model calibration and parameterization.)
  • Model:WASH123D  + (Covergency and instabiliy may occur depending the stiffness of the problems.)
  • Model:Quad  + (Currently it is not possible to model transgression followed by regression.)
  • Model:GeoClaw  + (Currently only shallow water equations areCurrently only shallow water equations are solved, using explicit finite volume methods. High order Boussinesq equations to better model dispersive waves (e.g. for short wavelength submarine landslide generated tsunamis) would require implicit time stepping and is still in the experimental phase.ng and is still in the experimental phase.)
  • Model:Erode  + (D8 flow codes are used to compute contributing areas. Would be better to use D-Infinity or the Mass-Flux method.)
  • Model:Landlab  + (Depends on application/process)
  • Model:ParFlow  + (Depends only on computer resources.)
  • Model:Cyclopath  + (Diffusion and other sediment transport routines require short time steps)
  • Model:Gospl  + (Documentation provides a description of the available processes and associated limitations: https://gospl.readthedocs.io/en/latest/tech_guide/index.html)
  • Model:GENESIS  + (Does not consider influence of cross-shore sand transport, not intended for short-term storm-induced shoreline change. No wave reflection from structures. No direct provision for changing tide level.)
  • Model:Hilltop and hillslope morphology extraction  + (Dpeending on the size of the DEM this can be quite a slow process, particularly the third step.)
  • Model:WACCM-EE  + (Dynamics, chemistry, RT, microphysical, and slab ocean model are all coupled, thus the model runs slowly.)
  • Model:GOLEM  + (Equation set is still and uses robust but relatively inefficient solvers. Recommend testing with coarse grid resolutions (say, 20x20 cells) before attempting larger/finer grids.)
  • Model:GSSHA  + (Explicit finite volume routing formulations are time-step limited.)
  • Model:GroundwaterDupuitPercolator  + (Explicit forward in time finite volume method limits maximum timestep/resolution combination. This can be managed using the adaptive timestep solver that is included.)
  • Model:WAVEWATCH III ^TM  + (Explicit schemes make high resolution runs expensive.)
  • Model:DepthDependentDiffuser  + (Explicit solver can go unstable, and it is not always obvious. Make sure to check resulting soil depths in the landscape to look for instabilities.)
  • Model:SNAC  + (Extreme deformation of mesh is expected duExtreme deformation of mesh is expected during large deformationin the updated Lagrangian formulation but prevented by regridding. The numerical diffusion due to regridding, however, can sometime make structures (e.g. shear localization) lose desired sharpness.</br></br>Regridding itself fails from time to time.Regridding itself fails from time to time.)
  • Model:BOM  + (Free surface formulation does not support rapid changes in water elevation like hydraulic jumps in rivers.)
  • Model:IDA  + (If you will be processing very large landscapes then you may need to configure PETSc with the --with-64-bit-indices option.)
  • Model:MarshMorpho2D  + (Implicit code. Very stable. Very efficient)
  • Model:TopoToolbox  + (In general, Matlab stores all data in the main memory. Manageable grid size will depend on your available RAM. For conveniently working with grids with ~5000x5000 rows and columns, a 4Gb of RAM will likely be sufficient.)