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laws:ecoup [2019/09/17 14:51] helene created |
laws:ecoup [2020/08/25 15:46] (current) |
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====== ECOU-P ====== | ====== ECOU-P ====== | ||
===== Description ===== | ===== Description ===== | ||
- | CONSTITUTIVE LAW OF FLOW IN POROUS MEDIA FOR A PIPE ELEMENT | + | Constitutive law of flow in porous media for a pipe element |
==== The model ==== | ==== The model ==== | ||
This law is only used for non linear analysis of seepage in porous media.\\ | This law is only used for non linear analysis of seepage in porous media.\\ | ||
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|AREA|cross section of the pipe| | |AREA|cross section of the pipe| | ||
^Line 2 (1G10.0)^^ | ^Line 2 (1G10.0)^^ | ||
- | |VISCO| =fluid dynamic viscosity ($\mu_f=10^{-3}$=default value for water at 20°C)| | + | |VISCO|fluid dynamic viscosity ($\mu_f=10^{-3}$=default value for water at 20°C)| |
The evolution of the stored fluid volume ($\theta$) with the fluid pressure ($p$) is given by the following functions: | The evolution of the stored fluid volume ($\theta$) with the fluid pressure ($p$) is given by the following functions: |