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March 28, 2024, 04:02:34 PM

Tyre file parameters

Started by Torque, November 13, 2015, 01:32:09 PM

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Torque


Hello, can anyone help me understand what the values shown below are used for in the tyre file?

Thanks,
Torque


R0 = 0.300000
Fz0 = 1000.000000
p_Cx1 = 1.600000
p_Dx1 = 1.650000
p_Dx2 = -0.100000
p_Ex1 = 0.000000
p_Ex2 = 0.000000
p_Ex3 = 0.000000
p_Ex4 = 0.000000
p_Kx1 = 30.000000
p_Kx2 = 0.000000
p_Kx3 = 0.000000
r_Bx1 = 12.000000
r_Bx2 = -10.000000
r_Bx3 = 0.000000
r_Cx1 = 1.200000
p_Cy1 = 1.200000
p_Cy2 = 0.600000
p_Dy1 = 1.650000
p_Dy2 = -0.100000
p_Dy3 = 0.000000
p_Ey1 = 0.000000
p_Ey2 = 0.000000
p_Ey3 = 0.000000
p_Ey4 = 0.000000
p_Ey5 = 0.000000
p_Ky1 = 20.000000
p_Ky2 = 1.000000
p_Ky3 = 0.010000
p_Ky4 = 0.000000
p_Ky5 = 0.000000
p_Ky6 = 3.000000
p_Ky7 = 0.000000
r_By1 = 7.000000
r_By2 = 4.000000
r_By3 = 0.000000
r_Cy1 = 1.050000
r_Hy1 = 0.000000
q_Bz1 = 9.000000
q_Cz1 = 1.100000
q_Dz1 = 0.100000
q_Dz8 = 0.100000
q_Ez1 = -10.000000
s_Sz1 = 0.000000
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RiccoChicco

Those values are those from the Pacejka Magic Formula. You can see a lot of examples on the web, even though I've never really looked at the PiBoSo's integration precisly.

Here's a interesting reading if you have a bit of knowledge in dynamics :

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HornetMaX

As Ricco said. The complete description is in Pacejka's book "Tire and Vehicle Dynamics".

C21

QuoteThose values are those from the Pacejka Magic Formula.
They are based on them but not entirely the same.
# Member of the CAWS Racing Team #


HornetMaX

Quote from: C21 on November 13, 2015, 04:16:08 PM
QuoteThose values are those from the Pacejka Magic Formula.
They are based on them but not entirely the same.
Which differences do you see ?

PiBoSo

Quote from: Torque on November 13, 2015, 01:32:09 PM

Hello, can anyone help me understand what the values shown below are used for in the tyre file?

Thanks,
Torque

The tyre model used is Pacejka Magic Formula.
A tool to edit the parameters will be released as soon as possible.
"La perfezione non è il nostro obiettivo, è la nostra tendenza".