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[idreeslisi6]

Hello everyone! Please guide me what is the distance between these two points or nodes? I probed all these 11 points , I wanna know what is the distance each two points and whether the distance between all these points is constant or varying? 
Regards!

[Sahil Sura]

The distance between the nodes can be found in the 'Selection Information' tab on the bottom left once selecting the individual nodes using the node selection option or by 'ctrl+n'. More on the same can be found in the reference mentioned below.
Even if you select the respective nodes, the distance between them is indicated on the status bar.
Hope that helps!
References-
Selection Information Window (ansys.com)
Thanks Sahil.
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[idreeslisi6]

Thank you sir for the positive response!
As shown in the screenshot the distance between two nodes is 2.5 mm, my question is, can I increase or decrease this distance?. Actually I want to make it 3mm.
Regards!

[Sahil Sura]

So if you want to update distance between the nodes, you need to update the mesh. You can update the mesh using the different local mesh sizing controls. More on that can be found in the references below.
Also another simple method to estimate the mesh size would be by approximating the element size with the help of cursor. The diameter of the circle obtained when any sizing controls option is selected, equals to the prescribed element size.

Hope that helps!
References-
Applying a Local Sizing Control (ansys.com)
Descriptions of Local Sizing Control Options (ansys.com)
Thanks Sahil.
How to access Ansys help links
Guidelines for Posting on Ansys Learning Forum