Tetrahedral Metrics

Work in progress.

automesh metrics tet --help
Quality metrics for an all-tetrahedral finite element mesh

Usage: automesh metrics tet [OPTIONS] --input <FILE> --output <FILE>

Options:
  -i, --input <FILE>   Mesh input file (exo | inp | stl)
  -o, --output <FILE>  Quality metrics output file (csv | npy)
  -q, --quiet          Pass to quiet the terminal output
  -h, --help           Print help

automesh implements the following hexahedral element quality metrics defined in the Verdict report.¹

• Maximum edge ratio ${\mathrm{ER}}_{\max }$
• Minimum scaled Jacobian ${\mathrm{SJ}}_{\min }$
• Maximum skew
• Element volume

A brief description of each metric follows.

Unit Tests

References

1. Knupp PM, Ernst CD, Thompson DC, Stimpson CJ, Pebay PP. The verdict geometric quality library. SAND2007-1751. Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States); 2006 Mar 1. link ↩