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Feature/item array in pgs
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d724e88d
Update documentation to deal with item_array and sub_item_array
· d724e88d
Stéphane Del Pino
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Mar 13, 2023
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@@ -2831,32 +2831,35 @@ The information produced concerns
This type is used to designate kinds of items (cell, face, edge or node).
***** ~item_value~
***** ~item_value~
and ~item_array~
The type ~item_value~ is an abstract type use to designate arrays of
values defined on the entities of a ~mesh~. Actually, these values are
not associated to the mesh itself but to the *connectivity*. The values
on the entities can be of type ~B~, ~N~, ~Z~, ~R~, ~R^1~, ~R^2~, ~R^3~, ~R^1x1~, ~R^2x2~
and ~R^3x3~. Entities themselves can be cells, faces, edges or nodes.
The types ~item_value~ and ~item_array~ are abstract types use to
designate values or arrays of values defined on each entities of a
~mesh~. Actually, these set of values (or arrays) are not associated to
the mesh itself but to the *connectivity*. The values on the entities
can be of type ~B~, ~N~, ~Z~, ~R~, ~R^1~, ~R^2~, ~R^3~, ~R^1x1~, ~R^2x2~ and
~R^3x3~. Entities themselves can be cells, faces, edges or nodes.
These variables are used to pass data from one function to another.
#+BEGIN_warning
By now, no mathematical operation is defined on ~item_value~ variables.
By now, no mathematical operation is defined on ~item_value~ or
~item_array~ variables.
#+END_warning
Moreover, ~item_value~ variables can be post processed. Observe that
edge or face values cannot be post processed since neither ~VTK~ nor
~Gnuplot~ can handle these data.
~Gnuplot~ can handle these data. Also ~item_raray~ can only be post
processed if array per item contain scalar data ( ~B~, ~N~, ~Z~, ~R~).
***** ~sub_item_value~
***** ~sub_item_value~
and ~sub_item_arrays~
Th
is
abstract type handles values defined on the sub items
of the
items of a ~mesh~. Similarly these
values are attached to a *connectivity*
and not to a mesh. The values associated to
the sub items can be of
type ~B~, ~N~, ~Z~, ~R~, ~R^1~, ~R^2~, ~R^3~, ~R^1x1~, ~R^2x2~
or ~R^3x3~. An example of
~sub_item_value~ is the $\mathbf{C}_{jr}$ vectors
which are defined at each
node of each cell.
Th
ese
abstract type handles values
or arrays
defined on the sub items
of the
items of a ~mesh~. Similarly these
sets of values or arrays are
attached to a *connectivity*
and not to a mesh. The values associated to
the sub items can be of
type ~B~, ~N~, ~Z~, ~R~, ~R^1~, ~R^2~, ~R^3~, ~R^1x1~, ~R^2x2~
or ~R^3x3~. An example of
~sub_item_value~ is the $\mathbf{C}_{jr}$ vectors
which are defined at each
node of each cell.
These variables are used to pass data from one function to
another. They cannot be post processed.
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