{
  "$defs": {
    "MaterialBasquin": {
      "additionalProperties": true,
      "properties": {
        "b": {
          "description": "Fatigue strength exponent, negative.",
          "exclusiveMaximum": 0,
          "title": "B",
          "type": "number"
        },
        "sigma_f": {
          "description": "Fatigue strength coefficient, MPa.",
          "exclusiveMinimum": 0,
          "title": "Sigma F",
          "type": "number"
        }
      },
      "required": [
        "sigma_f",
        "b"
      ],
      "title": "MaterialBasquin",
      "type": "object"
    },
    "MaterialCoffinManson": {
      "additionalProperties": true,
      "properties": {
        "c": {
          "description": "Fatigue ductility exponent, negative.",
          "exclusiveMaximum": 0,
          "title": "C",
          "type": "number"
        },
        "eps_f": {
          "description": "Fatigue ductility coefficient.",
          "exclusiveMinimum": 0,
          "title": "Eps F",
          "type": "number"
        }
      },
      "required": [
        "eps_f",
        "c"
      ],
      "title": "MaterialCoffinManson",
      "type": "object"
    },
    "MaterialProvenance": {
      "additionalProperties": true,
      "properties": {
        "notes": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Notes"
        },
        "source": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Citation for the constants.",
          "title": "Source"
        }
      },
      "title": "MaterialProvenance",
      "type": "object"
    },
    "MaterialRambergOsgood": {
      "additionalProperties": true,
      "properties": {
        "K_prime": {
          "description": "Cyclic strength coefficient, MPa.",
          "exclusiveMinimum": 0,
          "title": "K Prime",
          "type": "number"
        },
        "n_prime": {
          "description": "Cyclic strain hardening exponent.",
          "exclusiveMinimum": 0,
          "title": "N Prime",
          "type": "number"
        }
      },
      "required": [
        "K_prime",
        "n_prime"
      ],
      "title": "MaterialRambergOsgood",
      "type": "object"
    },
    "MaterialUnits": {
      "additionalProperties": false,
      "description": "The fixed unit convention of material@1.",
      "properties": {
        "life": {
          "const": "reversals",
          "title": "Life",
          "type": "string"
        },
        "strain": {
          "const": "fraction",
          "title": "Strain",
          "type": "string"
        },
        "stress": {
          "const": "MPa",
          "title": "Stress",
          "type": "string"
        }
      },
      "required": [
        "stress",
        "strain",
        "life"
      ],
      "title": "MaterialUnits",
      "type": "object"
    }
  },
  "$id": "https://dfieser.github.io/lcf-strain-life/docs/schemas/material.v1.schema.json",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "additionalProperties": true,
  "description": "``lcf-strain-life/material@1``, the constants document.",
  "properties": {
    "E": {
      "description": "Elastic modulus, MPa.",
      "exclusiveMinimum": 0,
      "title": "E",
      "type": "number"
    },
    "basquin": {
      "$ref": "#/$defs/MaterialBasquin"
    },
    "coffin_manson": {
      "$ref": "#/$defs/MaterialCoffinManson"
    },
    "name": {
      "minLength": 1,
      "title": "Name",
      "type": "string"
    },
    "provenance": {
      "anyOf": [
        {
          "$ref": "#/$defs/MaterialProvenance"
        },
        {
          "type": "null"
        }
      ],
      "default": null
    },
    "ramberg_osgood": {
      "anyOf": [
        {
          "$ref": "#/$defs/MaterialRambergOsgood"
        },
        {
          "type": "null"
        }
      ],
      "default": null
    },
    "schema": {
      "const": "lcf-strain-life/material",
      "title": "Schema",
      "type": "string"
    },
    "transition_reversals": {
      "anyOf": [
        {
          "exclusiveMinimum": 0,
          "type": "number"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Transition Reversals"
    },
    "units": {
      "$ref": "#/$defs/MaterialUnits"
    },
    "version": {
      "const": 1,
      "title": "Version",
      "type": "integer"
    }
  },
  "required": [
    "schema",
    "version",
    "name",
    "units",
    "E",
    "basquin",
    "coffin_manson"
  ],
  "title": "lcf-strain-life/material@1",
  "type": "object"
}