tire simulation

iceman6it · May 27, 2019, 11:52

Hello everyone, this is my firs post on this community. I'm proud to be part.
I have to simulate the inside of a tire. My domain have a diameter of 0.65m, width 0.31m, is a toroidal domain. It is a problem of heat exchange, in which the walls, the 4 walls of my domain are in a determinate temperature. I have to determinate the temperature of the fluid (air) inlet the domain in a steady state condition. all my walls are in rotation of 80 rad/s.
I would like to know what kind of mesh i have to generate, and the model of equations that i have to use.
Actually i have generated a mesh with a 1st layer thickness of 0.03mm, grow factor of 1.15, 27 layer for 8.51mm of total height of the layers. All my domain consisting of 1047775 elements. I have used the k-epsilon RNG model with standard wall functions. After the simulation my y+ go from min of 0.35 to the max of 0.63.
I would like if i'm simulating well my domain. thanks a lot and sorry for my bad english.

Gert-Jan · May 27, 2019, 16:22

This is Freelancers forum Did you read: Introduction

May 27, 2019, 11:52	tire simulation	#1
iceman6it New Member Giuseppe Join Date: May 2019 Posts: 1 Rep Power: 0	Hello everyone, this is my firs post on this community. I'm proud to be part. I have to simulate the inside of a tire. My domain have a diameter of 0.65m, width 0.31m, is a toroidal domain. It is a problem of heat exchange, in which the walls, the 4 walls of my domain are in a determinate temperature. I have to determinate the temperature of the fluid (air) inlet the domain in a steady state condition. all my walls are in rotation of 80 rad/s. I would like to know what kind of mesh i have to generate, and the model of equations that i have to use. Actually i have generated a mesh with a 1st layer thickness of 0.03mm, grow factor of 1.15, 27 layer for 8.51mm of total height of the layers. All my domain consisting of 1047775 elements. I have used the k-epsilon RNG model with standard wall functions. After the simulation my y+ go from min of 0.35 to the max of 0.63. I would like if i'm simulating well my domain. thanks a lot and sorry for my bad english.

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Convergence Problem - Transient Simulation	gemxx	Main CFD Forum	0	July 15, 2018 10:36
Mapping Field Data for Mesh Regions from Another Simulation	veterator	OpenFOAM Pre-Processing	1	July 10, 2018 06:28
Surface Source - Fixed Temperature?	robtheslob	FloEFD, FloWorks & FloTHERM	18	May 12, 2017 03:28
Simulation FPEs - turbulence for transient and steady-state?	DaveR	OpenFOAM Running, Solving & CFD	5	March 5, 2017 16:06
setting up a simulation with multiple interactions	phandy	OpenFOAM Running, Solving & CFD	1	October 6, 2014 04:16

May 27, 2019, 16:22		#2
Gert-Jan Senior Member Gert-Jan Join Date: Oct 2012 Location: Europe Posts: 1,928 Rep Power: 28	This is Freelancers forum Did you read: Introduction