need help! range of y plus and results of simulations

fazadzulhimam · January 4, 2014, 23:23

my simulation is about:
1. plain tube
2. turbulent flow
3. standard k - epsilon model
4. the working fluid is water
5. near wall treatment (STANDARD WALL FUNCTIONS)

my problems are:
1. i get y plus in range 19 - 20, while for standard wall functions y plus must be 30 - 60, how to increase y plus for getting y plus range in standard wall functions ?

2. what is the best mesh for circular tube?

many thanks for the help

duri · January 7, 2014, 04:17

Double your mesh first cell height

January 4, 2014, 23:23	need help! range of y plus and results of simulations	#1
fazadzulhimam New Member faza dzulhimam Join Date: Sep 2013 Location: indonesia Posts: 8 Rep Power: 13	my simulation is about: 1. plain tube 2. turbulent flow 3. standard k - epsilon model 4. the working fluid is water 5. near wall treatment (STANDARD WALL FUNCTIONS) my problems are: 1. i get y plus in range 19 - 20, while for standard wall functions y plus must be 30 - 60, how to increase y plus for getting y plus range in standard wall functions ? 2. what is the best mesh for circular tube? many thanks for the help

January 7, 2014, 04:17		#2
duri Senior Member duri Join Date: May 2010 Posts: 245 Rep Power: 17	Double your mesh first cell height