{
  "$defs": {
    "Failure": {
      "additionalProperties": true,
      "description": "The test outcome.",
      "properties": {
        "criterion": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "For example 30% load drop, separation.",
          "title": "Criterion"
        },
        "reversals_to_failure": {
          "description": "2Nf, or the suspension point when runout is true.",
          "exclusiveMinimum": 0,
          "title": "Reversals To Failure",
          "type": "number"
        },
        "runout": {
          "default": false,
          "description": "True when the test was suspended without failure.",
          "title": "Runout",
          "type": "boolean"
        }
      },
      "required": [
        "reversals_to_failure"
      ],
      "title": "Failure",
      "type": "object"
    },
    "HalfLifeResponse": {
      "additionalProperties": true,
      "description": "Reduced stabilized response, by convention at half life.",
      "properties": {
        "at_life_fraction": {
          "anyOf": [
            {
              "exclusiveMinimum": 0,
              "maximum": 1,
              "type": "number"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Life fraction the values were read at, 0.5 is half life.",
          "title": "At Life Fraction"
        },
        "elastic_strain_amplitude": {
          "anyOf": [
            {
              "exclusiveMinimum": 0,
              "type": "number"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Elastic Strain Amplitude"
        },
        "mean_stress": {
          "anyOf": [
            {
              "type": "number"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Mean Stress"
        },
        "plastic_strain_amplitude": {
          "anyOf": [
            {
              "minimum": 0,
              "type": "number"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Plastic Strain Amplitude"
        },
        "stress_amplitude": {
          "anyOf": [
            {
              "exclusiveMinimum": 0,
              "type": "number"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Stress Amplitude"
        }
      },
      "title": "HalfLifeResponse",
      "type": "object"
    },
    "PerCycleTable": {
      "additionalProperties": true,
      "description": "Optional per-cycle evolution table, the raw-data differentiator.",
      "properties": {
        "columns": {
          "items": {
            "type": "string"
          },
          "minItems": 1,
          "title": "Columns",
          "type": "array"
        },
        "rows": {
          "items": {
            "items": {
              "type": "number"
            },
            "type": "array"
          },
          "title": "Rows",
          "type": "array"
        },
        "units": {
          "anyOf": [
            {
              "additionalProperties": {
                "type": "string"
              },
              "type": "object"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Unit per column when not the fixed set.",
          "title": "Units"
        }
      },
      "required": [
        "columns",
        "rows"
      ],
      "title": "PerCycleTable",
      "type": "object"
    },
    "RecordProvenance": {
      "additionalProperties": true,
      "description": "Where the record came from and on what basis it is shared.",
      "properties": {
        "license": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "SPDX id when the contributor licenses own data.",
          "title": "License"
        },
        "notes": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Notes"
        },
        "origin": {
          "anyOf": [
            {
              "enum": [
                "own-data",
                "republished-factual",
                "digitized",
                "permissioned"
              ],
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "own-data, republished-factual, digitized, permissioned.",
          "title": "Origin"
        },
        "source": {
          "description": "Citation or origin of the data. Required.",
          "minLength": 1,
          "title": "Source",
          "type": "string"
        }
      },
      "required": [
        "source"
      ],
      "title": "RecordProvenance",
      "type": "object"
    },
    "RecordUnits": {
      "additionalProperties": false,
      "description": "The fixed unit convention of test-record@1.",
      "properties": {
        "life": {
          "const": "reversals",
          "default": "reversals",
          "title": "Life",
          "type": "string"
        },
        "strain": {
          "const": "fraction",
          "default": "fraction",
          "title": "Strain",
          "type": "string"
        },
        "stress": {
          "const": "MPa",
          "default": "MPa",
          "title": "Stress",
          "type": "string"
        },
        "temperature": {
          "const": "C",
          "default": "C",
          "title": "Temperature",
          "type": "string"
        }
      },
      "title": "RecordUnits",
      "type": "object"
    },
    "Specimen": {
      "additionalProperties": true,
      "description": "ASTM E606-style specimen description, all optional.",
      "properties": {
        "gauge_diameter_mm": {
          "anyOf": [
            {
              "exclusiveMinimum": 0,
              "type": "number"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Gauge Diameter Mm"
        },
        "gauge_length_mm": {
          "anyOf": [
            {
              "exclusiveMinimum": 0,
              "type": "number"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Gauge Length Mm"
        },
        "geometry": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "For example uniform gauge, hourglass.",
          "title": "Geometry"
        },
        "orientation": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Sampling orientation, for example L, LT.",
          "title": "Orientation"
        },
        "surface_finish": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Surface Finish"
        }
      },
      "title": "Specimen",
      "type": "object"
    },
    "TestControl": {
      "additionalProperties": true,
      "description": "How the test was driven.",
      "properties": {
        "control_mode": {
          "default": "strain",
          "enum": [
            "strain",
            "stress"
          ],
          "title": "Control Mode",
          "type": "string"
        },
        "environment": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "For example lab air, vacuum, 3.5% NaCl.",
          "title": "Environment"
        },
        "frequency_hz": {
          "anyOf": [
            {
              "exclusiveMinimum": 0,
              "type": "number"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Frequency Hz"
        },
        "strain_amplitude": {
          "anyOf": [
            {
              "exclusiveMinimum": 0,
              "type": "number"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Controlled true strain amplitude.",
          "title": "Strain Amplitude"
        },
        "strain_rate": {
          "anyOf": [
            {
              "exclusiveMinimum": 0,
              "type": "number"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Strain rate, per second.",
          "title": "Strain Rate"
        },
        "strain_ratio": {
          "anyOf": [
            {
              "type": "number"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "R ratio of the controlled strain.",
          "title": "Strain Ratio"
        },
        "stress_amplitude": {
          "anyOf": [
            {
              "exclusiveMinimum": 0,
              "type": "number"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Controlled true stress amplitude, MPa.",
          "title": "Stress Amplitude"
        },
        "stress_ratio": {
          "anyOf": [
            {
              "type": "number"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Stress Ratio"
        },
        "temperature_C": {
          "anyOf": [
            {
              "type": "number"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Temperature C"
        },
        "waveform": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "For example triangular, sinusoidal.",
          "title": "Waveform"
        }
      },
      "title": "TestControl",
      "type": "object"
    }
  },
  "$id": "https://dfieser.github.io/lcf-strain-life/docs/schemas/test-record.v1.schema.json",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "additionalProperties": true,
  "description": "``lcf-strain-life/test-record@1``, one strain-controlled fatigue test.",
  "properties": {
    "condition": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "description": "Heat treatment or material condition.",
      "title": "Condition"
    },
    "failure": {
      "$ref": "#/$defs/Failure"
    },
    "material": {
      "minLength": 1,
      "title": "Material",
      "type": "string"
    },
    "per_cycle": {
      "anyOf": [
        {
          "$ref": "#/$defs/PerCycleTable"
        },
        {
          "type": "null"
        }
      ],
      "default": null
    },
    "provenance": {
      "$ref": "#/$defs/RecordProvenance"
    },
    "record_id": {
      "minLength": 1,
      "title": "Record Id",
      "type": "string"
    },
    "response": {
      "anyOf": [
        {
          "$ref": "#/$defs/HalfLifeResponse"
        },
        {
          "type": "null"
        }
      ],
      "default": null
    },
    "schema": {
      "const": "lcf-strain-life/test-record",
      "title": "Schema",
      "type": "string"
    },
    "specimen": {
      "anyOf": [
        {
          "$ref": "#/$defs/Specimen"
        },
        {
          "type": "null"
        }
      ],
      "default": null
    },
    "test": {
      "$ref": "#/$defs/TestControl"
    },
    "units": {
      "$ref": "#/$defs/RecordUnits"
    },
    "version": {
      "const": 1,
      "title": "Version",
      "type": "integer"
    }
  },
  "required": [
    "schema",
    "version",
    "record_id",
    "material",
    "units",
    "test",
    "failure",
    "provenance"
  ],
  "title": "lcf-strain-life/test-record@1",
  "type": "object"
}