saving . . . saved Vertices 0 & 17 has been deleted. Vertices 0 & 17 has been hidden .
Vertices 0 & 17
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Question

<span style="font-size:11pt;font-family:Arial;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap;">Vertices 0 & 17 are not connected to any edge. Do we need those vertices here?</span>


OpenFOAM-version-7 Creating-3D-Pipe-Geometry-and-Mesh-in-OpenFOAM 04-05 min 10-20 sec 25-09-20, 8:05 p.m. Shubhanshu_rai

Answers:

The vertices 0 ( 0 0 0 ) and 17 (0 0 30) are just references. They are the two points through which the axis of the cylinder passes. 
25-09-20, 8:11 p.m. Ashuthosh_PS

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