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Scalable Mesh Coupling for Atmospheric Wave Simulation

Hannes Brandt, Tim Griesbach, Matthew Zettergren, Scott Aiton, Jonathan Snively, Donna Calhoun, Carsten Burstedde

Abstract

We describe the application of a scalable algorithm for interpolating solution data in the overlapping mesh region of two solvers. This feature is essential to obtain a globally consistent solution for in-situ coupled atmospheric wave simulation. We provide timings and discuss a real-world application run.

Scalable Mesh Coupling for Atmospheric Wave Simulation

Abstract

We describe the application of a scalable algorithm for interpolating solution data in the overlapping mesh region of two solvers. This feature is essential to obtain a globally consistent solution for in-situ coupled atmospheric wave simulation. We provide timings and discuss a real-world application run.
Paper Structure (12 sections, 6 figures)

This paper contains 12 sections, 6 figures.

Table of Contents

  1. Introduction
  2. Problem specification.
  3. Geophysical Simulation Framework
  4. MAGIC
  5. GEMINI
  6. Software stack.
  7. Coupling of MAGIC and GEMINI
  8. Exchange algorithm.
  9. Application to MAGIC and GEMINI.
  10. Two-way exchange.
  11. Results
  12. Conclusion

Figures (6)

  • Figure 1: Typical MAGIC and GEMINI domains.
  • Figure 2: Software stack of ForestClaw.
  • Figure 3: Exchange between two forests of octrees.
  • Figure 4: Combining coupling dimensions.
  • Figure 5: Two-way mesh data exchange.
  • ...and 1 more figures