XFEM4U Supports

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Standard supports can very easily be added in the graphical screen. In the menu bar you can choose for one of the following supports:

Remark

These are the supports that are the most common in practice, but you can also add an arbitrary (spring) support by making use of the 'A','P','N' of 'S'. See the table below.

Wikipedia encyclopedia Pinned support (Tz,Ty,Rz) ( 'A','A',' ')

Wikipedia encyclopedia Roller support z-direction (Tx,Tz,Ry) ( ' ','A', ' ')

Wikipedia encyclopedia Roller support x-direction (Tx,Tz,Ry) ( 'A',' ', ' ')

Wikipedia encyclopedia Fixed support (Tx,Tz,Ry) ( 'A','A', 'A')

Wikipedia encyclopedia Springer support x-direction (Tx,Tz,Ry) ( 'S',' ', ' ')

Wikipedia encyclopedia Springer support z-direction (Tx,Tz,Ry) ( ' ','S', ' ')

Wikipedia encyclopedia Springer support y-direction (Tx,Tz,Ry) ( ' ',' ', 'S')


Supports can be added arbitrary, in a fixed raster or on grid lines.


Supports are nodes which are restrained in a certain direction.


Changing a support

Changing a support is possible by clicking on the node by use of the left mouse button, and subsequently choose for properties by clicking on the right mouse button. There also is a more easy way, namely by a double click on the node or support. Consequently the following dialog box will be opened


Wikipedia encyclopedia

Indication Description
' ' free - no limitation
'A' Fully limited (Absolute)
'P' Limited for a Positive reaction force; free for a negative reaction force
'N' Limited for a Negative reaction force; free for a positive reaction force
'S' Springer (Spring); spring value needs to be inserted


Table Nodes

Supports can also be added/changed in the table nodes in the left bottom. It does not matter. It is also possible to change in between graphical input and numerical input via tables.

Wikipedia encyclopedia