HUAN Posted January 11, 2023 Share Posted January 11, 2023 Hi, Sir or Madam: 1. I am trying to construct a model to test a model in which there is no advection and only diffusion. Therefore, I set the discharge to 0 m/yr (see following figures). 2. However, results show that the fluid velocity is not 0. It also shows variations with evolving time. 3. Anyone has any ideas? Do I wrongly mix some conceptions? Appreciation. Quote Link to comment Share on other sites More sharing options...
Jia Wang Posted January 11, 2023 Share Posted January 11, 2023 Hello Huan, Fluid of changing salinities will flow to fill the pore space in the domain. I am assuming that the chemistry of the inlet fluid and the initial fluid in the domain are fairly different. The effect of this on fluid velocity is extremely small, the plots shown are in units of meters per year in orders of 10^-6. Hope this helps, Jia Quote Link to comment Share on other sites More sharing options...
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