damping factor

Altair Forum User

Altair Employee

Updated Oct 4, 2020 by Altair Forum User

hi,

how to give damping factor of a material instead of damping coefficient?

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Rahul Rajan_21763

New Altair Community Member

Updated Feb 13, 2017 by Rahul Rajan_21763

Refer attached PARAM card.

<?xml version="1.0" encoding="UTF-8"?>

Altair Forum User

Altair Employee

OP

Updated Feb 13, 2017 by Altair Forum User

Hi Jahnavi,

PARAM, G is used to specify damping coefficient which is calculated as 2*Critical damping ratio.

Can you explain damping factor of what you want specify?

Altair Forum User

Altair Employee

OP

Updated Feb 13, 2017 by Altair Forum User

Hi,

I'm dealing with a skeleton model. so i have to give damping ratio of bones. but damping coefficient means c= 2*damping ratio*omega*natural frequency. Does G represent different parameter here??

Altair Forum User

Altair Employee

OP

Updated Feb 14, 2017 by Altair Forum User

G is the Structural damping coefficient.

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