elliptic_discrete_model.m File Reference

function creating a model with local functions out of a model with global functions. See detailed description for explanation. More...

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Functions
function local_model =	elliptic_discrete_model (model)
	function creating a model with local functions out of a model with global functions. See detailed description for explanation. More...

Detailed Description

function creating a model with local functions out of a model with global functions. See detailed description for explanation.

Definition in file elliptic_discrete_model.m.

Function Documentation

function local_model = elliptic_discrete_model

(

model

)

function creating a model with local functions out of a model with global functions. See detailed description for explanation.

All volume-data functions can be evaluated in many elements simultanously by e.g.

local_model.source(grid,eindices,loc,params)

where eindices is a n times 1 vector of element-indices and loc is a local coordinate in the reference triangle. the result is a n times 1 vector of resulting values of the source. and boundary-data functions can be evaluated by e.g.

local_model.dirichlet_values(grid,eindices,face_index,lloc,params)

where eindices is a n times 1 vector of element-indices and lloc is a 1d coordinate in [0,1]. the result is a n times 1 vector of resulting dirichlet-values on the edge given by face_index.

to avoid conflicts in the "global" model, all data functions can still be evaluated with (glob,params), where glob are global coordinates.

Parameters

model

model

Return values

local_model

local model

Required fields of model:

• has_reaction —  has reaction
• reaction —  reaction
• has_advection —  has advection
• velocity —  velocity
• has_diffusivity —  has diffusivity
• diffusivity_tensor —  diffusivity tensor
• has_source —  has source
• source —  source
• has_dirichlet_values —  has dirichlet values
• dirichlet_values —  dirichlet values
• has_neumann_values —  has neumann values
• neumann_values —  neumann values
• has_robin_values —  has robin values
• robin_alpha —  robin alpha
• robin_beta —  robin beta
• robin_values —  robin values

Generated fields of local_model:

• reaction —  reaction
• velocity —  velocity
• diffusivity_tensor —  diffusivity tensor
• source —  source
• dirichlet_values —  dirichlet values
• neumann_values —  neumann values
• robin_alpha —  robin alpha
• robin_beta —  robin beta
• robin_values —  robin values

Definition at line 17 of file elliptic_discrete_model.m.

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