{
  "source": {
    "authors": [
      "Théophile Chaumont-Frelet",
      "Frédéric Valentin"
    ],
    "title": "A multiscale hybrid-mixed method for the Helmholtz equation in heterogeneous domains",
    "doi": "10.1137/19M1255616",
    "author_manuscript_url": "https://inria.hal.science/hal-01698914v2",
    "manuscript_version": "HAL hal-01698914v2, submitted 16 April 2019",
    "pdf_sha256": "b9bf6eb4e334d040f9f3e13effe2ccebcd3b050d7a488edc1445c3707b971a4a",
    "section": "6.4",
    "table": "6.1",
    "printed_page": 23,
    "pdf_page_one_based": 24,
    "extraction": "Direct transcription checked against the rendered original table; no curve digitization"
  },
  "quantity": "100 * sqrt(sum over 513x129 grid of abs(p_reference-p_mhm)^2 / sum of abs(p_reference)^2)",
  "quantity_unit": "percent",
  "reference_space": "Continuous triangular P4, pixel-conforming 2048x512 squares divided into two triangles each",
  "mhm_local_space": "Continuous square Q3, local Cartesian subdivisions 8/16/32 for macro widths20/40/80m",
  "frequency_hz": 20,
  "domain_m": [
    10240,
    2560
  ],
  "point_source_m": [
    5000,
    50
  ],
  "mhm_rows": [
    {
      "macro_width_m": 20,
      "trace_degree": 0,
      "relative_sampled_pressure_percent": 138.0,
      "printed_value": "138"
    },
    {
      "macro_width_m": 20,
      "trace_degree": 1,
      "relative_sampled_pressure_percent": 2.9,
      "printed_value": "2.90"
    },
    {
      "macro_width_m": 20,
      "trace_degree": 2,
      "relative_sampled_pressure_percent": 0.13,
      "printed_value": "0.13"
    },
    {
      "macro_width_m": 20,
      "trace_degree": 3,
      "relative_sampled_pressure_percent": 0.11,
      "printed_value": "0.11"
    },
    {
      "macro_width_m": 20,
      "trace_degree": 4,
      "relative_sampled_pressure_percent": 0.03,
      "printed_value": "0.03"
    },
    {
      "macro_width_m": 40,
      "trace_degree": 0,
      "relative_sampled_pressure_percent": 225.0,
      "printed_value": "225"
    },
    {
      "macro_width_m": 40,
      "trace_degree": 1,
      "relative_sampled_pressure_percent": 45.1,
      "printed_value": "45.1"
    },
    {
      "macro_width_m": 40,
      "trace_degree": 2,
      "relative_sampled_pressure_percent": 1.47,
      "printed_value": "1.47"
    },
    {
      "macro_width_m": 40,
      "trace_degree": 3,
      "relative_sampled_pressure_percent": 0.37,
      "printed_value": "0.37"
    },
    {
      "macro_width_m": 40,
      "trace_degree": 4,
      "relative_sampled_pressure_percent": 0.2,
      "printed_value": "0.20"
    },
    {
      "macro_width_m": 80,
      "trace_degree": 0,
      "relative_sampled_pressure_percent": 161.0,
      "printed_value": "161"
    },
    {
      "macro_width_m": 80,
      "trace_degree": 1,
      "relative_sampled_pressure_percent": 154.0,
      "printed_value": "154"
    },
    {
      "macro_width_m": 80,
      "trace_degree": 2,
      "relative_sampled_pressure_percent": 44.8,
      "printed_value": "44.8"
    },
    {
      "macro_width_m": 80,
      "trace_degree": 3,
      "relative_sampled_pressure_percent": 4.12,
      "printed_value": "4.12"
    },
    {
      "macro_width_m": 80,
      "trace_degree": 4,
      "relative_sampled_pressure_percent": 0.33,
      "printed_value": "0.33"
    }
  ],
  "comparison_scope": "Published values only. The declared primary-data crop used by this repository has not been identified with the historical coefficient arrays; no equality of material inputs is asserted.",
  "unspecified_historical_conventions": [
    "Selection of incident broken MHM values on macro interfaces in the sampling grid",
    "Allocation of the point functional between incident macroelements when the source lies on a macro interface"
  ]
}