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Analysis of Fragmentation in Shock Physics Simulation Ultrascale Visualization Workshop 2008 November 15, 2008 Kenneth Moreland Sandia National Laboratories Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin


  1. Analysis of Fragmentation in Shock Physics Simulation Ultrascale Visualization Workshop 2008 November 15, 2008 Kenneth Moreland Sandia National Laboratories Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy ʼ s National Nuclear Security Administration under contract DE-AC04-94AL85000.

  2. An experiment is the partial knowledge of the full truth. A simulation is the full knowledge of a partial truth. Verification and Validation (V&V) brings these together.

  3. The V of V&V • Verification compares simulations with known analytical solutions.

  4. The Other V of V&V • Validation compares simulations with experiments. Simulation data near the end of the simulation, showing the complex distribution of Test data, showing shell fragments grouped fragments. Inset shows first frame of the simulation, in which a ball approaches a according to size. plate of the same material.

  5. Identifying Fragments

  6. Step 1: Fragment Connectivity 0.2 0.3 0.0 0.2 0.3 0.2 0.4 0.1 0.0 0.4 0.4 0.1 0.3 0.5 0.4 0.4 0.4 0.3 0.4 0.7 0.5 0.6 0.3 0.1 0.6 0.5 0.4 0.6 0.9 0.7 0.8 0.7 0.7 1.0 0.9 0.8 0.7 0.5 0.2 1.0 1.0 1.0 0.9 0.7 0.6

  7. Step 1: Fragment Connectivity 0.2 0.3 0.0 0.2 0.3 0.2 0.4 0.1 0.0 0.4 0.4 0.1 0.3 0.5 0.4 0.4 0.4 0.3 0.4 0.7 0.5 0.6 0.3 0.1 0.6 0.5 0.4 0.6 0.9 0.7 0.8 0.7 0.7 1.0 0.9 0.8 0.7 0.5 0.2 1.0 1.0 1.0 0.9 0.7 0.6

  8. Step 1: Fragment Connectivity 0.2 0.3 0.0 0.2 0.3 0.2 0.2 0.4 0.4 0.1 0.0 0.4 0.4 0.1 0.3 0.5 0.4 0.4 0.4 0.4 0.3 0.4 0.7 0.5 0.5 0.6 0.6 0.3 0.1 0.6 0.5 0.4 0.6 0.9 0.7 0.7 0.8 0.7 0.7 1.0 0.9 0.8 0.8 0.7 0.7 0.5 0.2 1.0 1.0 1.0 0.9 0.7 0.6 0.6

  9. Step 1: Fragment Connectivity 0.2 0.3 0.0 0.2 0.3 0.2 0.2 0.4 0.4 0.1 0.0 0.4 0.4 0.1 0.3 0.5 0.4 0.4 0.4 0.4 0.3 0.4 0.7 0.5 0.5 0.6 0.6 0.3 0.1 0.6 0.5 0.4 0.6 0.9 0.7 0.7 0.8 0.7 0.7 1.0 0.9 0.8 0.8 0.7 0.7 0.5 0.2 1.0 1.0 1.0 0.9 0.7 0.6 0.6

  10. Step 1: Fragment Connectivity 0.2 0.3 0.0 0.2 0.3 0.2 0.2 0.4 0.4 0.1 0.0 0.4 0.4 0.1 0.3 0.5 0.4 0.4 0.4 0.4 0.3 0.4 0.7 0.5 0.5 0.6 0.6 0.3 0.1 0.6 0.5 0.4 0.6 0.9 0.7 0.7 0.8 0.7 0.7 1.0 0.9 0.8 0.8 0.7 0.7 0.5 0.2 1.0 1.0 1.0 0.9 0.7 0.6 0.6

  11. Step 1: Fragment Connectivity 0.2 0.3 0.0 0.2 0.3 0.2 0.2 0.4 0.4 0.1 0.0 0.4 0.4 0.1 0.3 0.5 0.4 0.4 0.4 0.4 0.3 0.4 0.7 0.5 0.5 0.6 0.6 0.3 0.1 0.6 0.5 0.4 0.6 0.9 0.7 0.7 0.8 0.7 0.7 1.0 0.9 0.8 0.8 0.7 0.7 0.5 0.2 1.0 1.0 1.0 0.9 0.7 0.6 0.6

  12. Step 1: Fragment Connectivity 0.2 0.3 0.0 0.2 0.3 0.2 0.2 0.4 0.4 0.1 0.0 0.4 0.4 0.1 0.3 0.5 0.4 0.4 0.4 0.4 0.3 0.4 0.7 0.5 0.5 0.6 0.6 0.3 0.1 0.6 0.5 0.4 0.6 0.9 0.7 0.7 0.8 0.7 0.7 1.0 0.9 0.8 0.8 0.7 0.7 0.5 0.2 1.0 1.0 1.0 0.9 0.7 0.6 0.6

  13. Step 1: Fragment Connectivity 0.2 0.3 0.0 0.2 0.3 0.2 0.2 0.4 0.4 0.1 0.0 0.4 0.4 0.1 0.3 0.5 0.4 0.4 0.4 0.4 0.3 0.4 0.7 0.5 0.5 0.6 0.6 0.3 0.1 0.6 0.5 0.4 0.6 0.9 0.7 0.7 0.8 0.7 0.7 1.0 0.9 0.8 0.8 0.7 0.7 0.5 0.2 1.0 1.0 1.0 0.9 0.7 0.6 0.6

  14. Step 1: Fragment Connectivity 0.2 0.3 0.0 0.2 0.3 0.2 0.2 0.4 0.4 0.1 0.0 0.4 0.4 0.1 0.3 0.5 0.4 0.4 0.4 0.4 0.3 0.4 0.7 0.5 0.5 0.6 0.6 0.3 0.1 0.6 0.5 0.4 0.6 0.9 0.7 0.7 0.8 0.7 0.7 1.0 0.9 0.8 0.8 0.7 0.7 0.5 0.2 1.0 1.0 1.0 0.9 0.7 0.6 0.6

  15. Step 2: Fragment Surfaces

  16. Step 2: Fragment Surfaces

  17. Step 2: Fragment Surfaces 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

  18. Step 3: Smooth Surfaces

  19. Step 4: Extract Field Quantities

  20. Diagram of the Experiment Test article Fragments Witness plate

  21. Corresponding Simulation

  22. Corresponding Simulation

  23. Corresponding Simulation

  24. Redesigning the Shell

  25. Further Analysis of Fragments

  26. Drilling Down to Fragment Data

  27. Drilling Down to Fragment Data The three heaviest fragments. The lightest fragments (with mass between 0.01 and 1 micrograms).

  28. Average Field Values for Fragment Distributions

  29. Intersection Queries

  30. Intersection Queries

  31. Current Work: Fragment Remeshing

  32. Current Work: In-Situ Processing

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