D3PLOT 22.1

SURFACE Shell Surface Selection

SURFACE Shell surface selection

If Shell elements are selected, the SURFACE button is used to determine for which surface the results will be written.

You are referred to SURFACE / INT Point for a basic description of shell surfaces and Thin shell integration points for a more detailed description.

Note 1:	You have to define surfaces for thick shell output in WRITE . This is not necessary when plotting since it is possible to draw all three sets of values simultaneously.
Note 2:	Top and bottom shell surfaces are not the element "outer fibres" if the default Gaussian integration scheme is used. See Thin shell integration points for more details.
Note 3:	It is possible to make Ansys LS-DYNA generate output at other than the three surfaces described here, in which case "layers" will be available for selection as well as surfaces. Typically this will be used for a composites analyses: see Thin shell integration points.

SURFACE with composite plys

From D3PLOT 13.0 onwards, if a model contains composite plys then results can be written for the surface which corresponds to a ply (requires a .ztf file). Under the SURFACE button choose Select plys... . A single ply can be selected from the menu.

The currently selected ply is shown in the top right. The user can select a different ply from the list of available plys.

The list of available plys can be filtered:

	By Range	Ply IDs must lie within the given range.
	By Name	Ply names must contain this text (case insensitive).
	By Layup	Plys must be contained in selected layups. (Only available if layups have been set-up in PRIMER.)
	Reset	Deselects By Range , By Name and By Layup, and clears start, end and name fields, and any selected layups.

The plys are ordered by layup ID and position in layup (where layups have been set-up), or by ply ID (if layups are not available).

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