# Setting Up a Simulation Using Porous Media

**URL:** <https://www.simscale.com/forum/t/setting-up-a-simulation-using-porous-media/36293>\
**Category:** Project Support\
**Created:** [August 4, 2016, 9:11pm UTC](https://www.simscale.com/forum/t/setting-up-a-simulation-using-porous-media/36293 "2016-08-04T21:11:44Z")\
**Posts on this page:** 4\
**Page:** 2

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**Author:** ![zeinelserfy](https://www.simscale.com/forum/letter_avatar/zeinelserfy/32/6_22734026db12803ebb3e059622ac3534.png) [@zeinelserfy](https://www.simscale.com/forum/u/zeinelserfy)\
**Post date:** [February 19, 2019, 7:07am UTC](https://www.simscale.com/forum/t/setting-up-a-simulation-using-porous-media/36293/21 "2019-02-19T07:07:34Z")

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@varsey  
i mean how to calculate pressure,viscous and porous forces ?  
and lift and drag coefficient on the body

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**Author:** ![jousefm](https://www.simscale.com/forum/user_avatar/www.simscale.com/jousefm/32/34908_2.png) [@jousefm](https://www.simscale.com/forum/u/jousefm)\
**Post date:** [February 19, 2019, 3:32pm UTC](https://www.simscale.com/forum/t/setting-up-a-simulation-using-porous-media/36293/22 "2019-02-19T15:32:23Z")

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Hi @zeinelserfy!

Maybe this is what you are looking for: **[How to calculate aerodynamic forces with Paraview - YouTube](https://www.youtube.com/watch?v=J944HOj_4b0)**

Best,

Jousef

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**Author:** ![zeinelserfy](https://www.simscale.com/forum/letter_avatar/zeinelserfy/32/6_22734026db12803ebb3e059622ac3534.png) [@zeinelserfy](https://www.simscale.com/forum/u/zeinelserfy)\
**Post date:** [February 21, 2019, 8:43am UTC](https://www.simscale.com/forum/t/setting-up-a-simulation-using-porous-media/36293/23 "2019-02-21T08:43:56Z")

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the problem in using that method is that the viscous force is neglected which affect the result for drag coefficient considerably

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**Author:** ![zeinelserfy](https://www.simscale.com/forum/letter_avatar/zeinelserfy/32/6_22734026db12803ebb3e059622ac3534.png) [@zeinelserfy](https://www.simscale.com/forum/u/zeinelserfy)\
**Post date:** [March 28, 2019, 12:54am UTC](https://www.simscale.com/forum/t/setting-up-a-simulation-using-porous-media/36293/24 "2019-03-28T00:54:48Z")

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@varsey @jousefm

I want to ask about the porosity value how it is included in simscale ?

It is not clear for me how to include values for porosity in simulation for porous media

or the flow resistance is included as source terms without any changes in the momentum equation ???as some terms in the momentum equation for flow in porous media include porosity

can anyone help ?

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