v7.31.151 WTNV151 — Taking into account an unsaturated water exchange condition

Summary:

The tests presented make it possible to verify that a water exchange term at the edge is correctly taken into account in the models AXIS_ HH2, D_ PLAN_ HH2 and 3D_*HH2*. Under certain hypotheses, the problem is reduced to a purely hydraulic problem under capillary pressure. This problem is then written in the linear case (ECHANGE_THM) as a heat equation and can thus be the analogue of a thermal problem. The solution of the hydraulic problem is therefore compared to the solution of the thermal problem, for which the term exchange is already well taken into account. The d, e, f models concern the validation of the non-linear exchange term in relative humidity (ECHANGE_THM_HR)

• 1. Reference problem
  • 1.1. A and D geometry
  • 1.2. Geometry B, C, E, and F
  • 1.3. Material properties
  • 1.4. Initial conditions
  • 1.5. Boundary conditions
• 2. Reference solution (A, B and C models)
  • 2.1. Validation of the water exchange term from the heat exchange term
• 3. Modeling A
  • 3.1. Characteristics of modeling A
  • 3.2. Tested values and results
• 4. B modeling
  • 4.1. Characteristics of B modeling
  • 4.2. Tested values and results
• 5. C modeling
  • 5.1. Characteristics of C modeling
  • 5.2. Tested values and results
• 6. D modeling
  • 6.1. Characteristics of modeling D
  • 6.2. Tested values and results
• 7. E modeling
  • 7.1. Characteristics of modeling E
  • 7.2. Tested values and results
• 8. F modeling
  • 8.1. Characteristics of F modeling
  • 8.2. Tested values and results
• 9. Summary of results