GMS:2D Mesh Settings: Difference between revisions

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{{2D Mesh links}}
{{2D Mesh links}}
[[File:Preferences2DMesh.jpg|thumb|left|375 px|The ''Preference'' dialog showing the ''2D Mesh'' tab]]
[[File:Preferences2DMesh.png|thumb|left|375 px|The ''Preference'' dialog showing the ''2D Mesh'' tab]]
New nodes in a 2D mesh are created by selecting the '''Create Nodes''' tool from the [[GMS:2D Mesh Tool Palette|''2D Mesh Tool Palette'']] and clicking where the new node is to be located. The default parameters governing the creation of new nodes can be specified using the '''2D Mesh Settings''' command in the ''Mesh'' menu. This brings up the ''2D Mesh'' tab of the ''Preferences'' dialog. The options in the dialog are as follows:
New nodes in a 2D mesh are created by selecting the '''Create Nodes''' tool from the [[GMS:2D Mesh Tool Palette|''2D Mesh Tool Palette'']] and clicking where the new node is to be located. The default parameters governing the creation of new nodes can be specified using the '''2D Mesh Settings''' command in the ''Mesh'' menu. This brings up the ''2D Mesh'' tab of the ''Preferences'' dialog. The options in the dialog are as follows:


Revision as of 21:34, 11 January 2021

2D Mesh Module
2d mesh.png
2D Mesh
Creating a 2D Mesh
Editing 2D Meshes
2D Mesh Settings
Converting a 2D Mesh to Other Types of Data
More
2D Mesh Display Options
2D Mesh Polygon Attributes
2D Mesh Tool Palette
SEEP2D
Solids to Layered Mesh
2D Mesh Commands
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The Preference dialog showing the 2D Mesh tab

New nodes in a 2D mesh are created by selecting the Create Nodes tool from the 2D Mesh Tool Palette and clicking where the new node is to be located. The default parameters governing the creation of new nodes can be specified using the 2D Mesh Settings command in the Mesh menu. This brings up the 2D Mesh tab of the Preferences dialog. The options in the dialog are as follows:

Default Z

If the check box entitled Interpolate for default z on interior is selected when a new node is inserted in the interior of the mesh, the element enclosing the node is linearly interpolated to get the Z value. If the node is on the exterior of the mesh, the default z value is used. If the toggle is not selected, the default Z is used everywhere.

The options in the center of the dialog are used to specify whether to use a default Z value for all new nodes or to have GMS prompt for the Z value every time a new node is created.

Insert Nodes into Triangulated Mesh

If the check box entitled Insert nodes into triangulated mesh is selected, any new node that lies in a region of the mesh consisting of triangular elements will automatically be incorporated into the mesh. New nodes will not be automatically incorporated into quadrilateral meshes.

Check for Coincident Nodes

If the check box entitled Check for coincident nodes is selected, any new node created using the Create Nodes tool will be checked to see if it lies on top of an existing node.

Thin Triangle Aspect Ratio

Sets the minimum aspect ratio for determining thin triangles in the mesh. Triangles with an aspect ration below the entered value can be selected using the Select Thin Triangles command or highlighted in the 2D Mesh display options.


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