Adding A Source Term To The Continuity Equation

bbbsolver · August 19, 2013, 15:41

Hello all,
I am looking to model fluid leakiness from brain tumor vessels into tumor tissue space in openFoam. To do this, i would like to amend the continuity equation so that it has a pressure dependent source term.
I would like: divergence of velocity = (Leakiness rate constant)*(p_constant - p)

Where (Leakiness rate constant) is the spatially varying value (known) that we would like to load from a data file of some type. I imagine the data file would have 4 columns where the columns correspond to x, y, z space and the leakiness value.
p_constant is a constant, known value of pressure.
p is the interstitial fluid pressure in a porous media that we would like to solve for.
Does anyone know how to help me? I would very much appreciate a detailed outline of how i could do this. If you dont know do you have any resources that could help? Anything is appreciated

bbbsolver · August 20, 2013, 17:35

Anyone please help! I need an answer within the next two days!

immortality · August 21, 2013, 06:29

Hi
ask for that in programming Forum.

August 19, 2013, 15:41	Adding A Source Term To The Continuity Equation	#1
bbbsolver New Member Join Date: Aug 2013 Posts: 2 Rep Power: 0	Hello all, I am looking to model fluid leakiness from brain tumor vessels into tumor tissue space in openFoam. To do this, i would like to amend the continuity equation so that it has a pressure dependent source term. I would like: divergence of velocity = (Leakiness rate constant)*(p_constant - p) Where (Leakiness rate constant) is the spatially varying value (known) that we would like to load from a data file of some type. I imagine the data file would have 4 columns where the columns correspond to x, y, z space and the leakiness value. p_constant is a constant, known value of pressure. p is the interstitial fluid pressure in a porous media that we would like to solve for. Does anyone know how to help me? I would very much appreciate a detailed outline of how i could do this. If you dont know do you have any resources that could help? Anything is appreciated

August 20, 2013, 17:35	Help please!	#2
bbbsolver New Member Join Date: Aug 2013 Posts: 2 Rep Power: 0	Anyone please help! I need an answer within the next two days!

August 21, 2013, 06:29		#3
immortality Senior Member Ehsan Join Date: Oct 2012 Location: Iran Posts: 2,208 Rep Power: 27	Hi ask for that in programming Forum. __________________ Injustice Anywhere is a Threat for Justice Everywhere.Martin Luther King. To Be or Not To Be,Thats the Question! The Only Stupid Question Is the One that Goes Unasked.

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