Aria User Manual Logo
Version 5.24
  • 1. Aria Overview
  • 2. Releases & Deprecations
  • 3. Theory
  • 4. Simulation Setup
  • 5. Tutorials & Examples
  • 6. Running & Troubleshooting
  • 7. Command References
    • 7.1. Adaptivity Settings
    • 7.2. Diagnostic Control
    • 7.3. Finite Element Model Parameters
    • 7.4. IO Region
    • 7.5. Linear Solvers
    • 7.6. Material Properties
    • 7.7. Rebalance Settings
    • 7.8. Solution Control
    • 7.9. Transfer
    • 7.10. User Functions
    • 7.11. User Fields
    • 7.12. User Variables
    • 7.13. Global Constants
    • 7.14. Boundary Conditions
      • 7.14.1. Generic BC Models
        • 7.14.1.1. Bc Bar_Flux
        • 7.14.1.2. Bc Bar_No_Coverage_Flux
        • 7.14.1.3. Bc Bulk_Node_Coupling
        • 7.14.1.4. Bc Bulknode_Flux
        • 7.14.1.5. Bc Colloc_Rotated
        • 7.14.1.6. Bc Diffuse
        • 7.14.1.7. Bc Diffusebp
        • 7.14.1.8. Bc Dirichlet
        • 7.14.1.9. Bc Disting
        • 7.14.1.10. Bc Edge
        • 7.14.1.11. Bc Flux
        • 7.14.1.12. Bc Fluxbp
        • 7.14.1.13. Bc Interface
        • 7.14.1.14. Bc Interface_Colloc_Disting
        • 7.14.1.15. Bc Interface_Disting
        • 7.14.1.16. Bc Lumped_Disting
        • 7.14.1.17. Bc Lumped_Flux
        • 7.14.1.18. Bc No_Coverage_Flux
        • 7.14.1.19. Bc Rotated
        • 7.14.1.20. Bc Uncoupled_Bulknode_Flux
        • 7.14.1.21. Periodic BCs
      • 7.14.2. Legacy BC Models
    • 7.15. Equation Specification
    • 7.16. Initial Conditions
    • 7.17. Sources
    • 7.18. Advective Bar
    • 7.19. Bulk Nodes
    • 7.20. CDFEM Options
    • 7.21. CHEMEQ
    • 7.22. Contact
    • 7.23. Directed Energy
    • 7.24. Element Death
    • 7.25. Enclosure Radiation
    • 7.26. Ray Trace Source
    • 7.27. General Chemistry
    • 7.28. Heat Transfer Correlation Coefficient
    • 7.29. Level Set
    • 7.30. Local Coordinate Systems
    • 7.31. Mpmd Coupling
    • 7.32. Nonlinear Solve Settings
    • 7.33. Skinning
    • 7.34. Segregated Solve Settings
    • 7.35. Output
    • 7.36. Postprocessing
    • 7.37. Pressurization Model
    • 7.38. Restart
    • 7.39. Solution Options
    • 7.40. Toggle
    • 7.41. Submodel
  • 8. Bibliography
  • 9. Symbols
Aria User Manual
  • 7. Command References
  • 7.14. Boundary Conditions
  • 7.14.1.7. Bc Diffusebp

7.14.1.7. Bc Diffusebp

  • 7.14.1.7.1. Continuity
  • 7.14.1.7.2. Cvfem_Momentum
  • 7.14.1.7.3. Cvfem_Momentum_X
  • 7.14.1.7.4. Cvfem_Momentum_Y
  • 7.14.1.7.5. Cvfem_Momentum_Z
  • 7.14.1.7.6. Energy
  • 7.14.1.7.7. Mesh
  • 7.14.1.7.8. Mesh_X
  • 7.14.1.7.9. Mesh_Y
  • 7.14.1.7.10. Mesh_Z
  • 7.14.1.7.11. Momentum
  • 7.14.1.7.12. Momentum_X
  • 7.14.1.7.13. Momentum_Y
  • 7.14.1.7.14. Momentum_Z
  • 7.14.1.7.15. Solid
  • 7.14.1.7.16. Solid_X
  • 7.14.1.7.17. Solid_Y
  • 7.14.1.7.18. Solid_Z
  • 7.14.1.7.19. Species
Previous Next

Provide feedback on this page.

U.S. Department of Energy National Nuclear Security Administration

Sandia National Laboratories is a multimission laboratory managed and operated by National Technology and Engineering Solutions of Sandia, LLC., a wholly owned subsidiary of Honeywell International, Inc., for the U.S. Department of Energy’s National Nuclear Security Administration under contract DE‑NA‑0003525.

© Copyright 2025, National Technology and Engineering Solutions of Sandia, LLC. Sandia Report SAND2025-03448O.

Built with Sphinx using a theme provided by Read the Docs.