Material Model Output
Last update: 17.06.2026Material Model Output is the JSON-formatted ModelExportResponse that is provided by the /v1/models/export endpoint.
The full details of what is returned can be seen in the Swagger documentation.
Note: If you cannot access the Swagger documentation, ensure that you have a valid Ansys ID, and that you have logged in to the MI Service Layer homepage.
Example
An annotated example of a Material Model Output.
{
"materials": [
{
"materialName": "Alumina, 88% pure",
"materialId": "046e7049-c548-4ef0-95fc-84362234a8d9",
"databaseKey": "MI_Starter_Data",
"databaseName": "Starter Data",
"tableName": "Starter Data",
"unitSystem": "Metric",
"absoluteUnits": false,
"exportDateTime": "2026-02-03T16:47:50Z",
// Provenance information about the material data
"traceabilityNotes": "Material data from Granta MI\r\n
Record name: Alumina, 88% pure\r\n
Table name: Starter Data\r\nDate: 2026-02-03 (UTC)",
"models": [
{
"modelName": "Elasticity, isotropic with temperature",
"modelId": "elasticity.isotropic.with.temp",
// If any constraints were defined in the Material Model Definition, the values and units used will be listed here.
"constraints": [],
"properties": [
{
"name": "Tensile modulus",
"columns": [
{
"name": "Tensile modulus",
"symbol": "E",
"unit": "GPa",
// Indicates if the column represents a free Parameter or data that is dependent on Parameters.
// In a 2-D graph, the free Parameter would typically be on the
// x-axis and the dependent data on the y-axis.
"isFreeParameter": false,
"numericValues": [
246.3,
229.5,
217.7,
213.5,
215.3,
219.3,
220.3,
213.4,
195.3,
165.8
],
// If the Attribute used to source the data has Parameters that are not specified
// in the Materials Model Definition as either a free Parameter or a Constraint,
// a Constraint value will be chosen based on the default Parameter value in the
// database.
// These constraints will be listed in this section.
"implicitConstraints": []
},
{
"name": "Temperature",
"symbol": "T",
"unit": "°C",
"isFreeParameter": true,
"numericValues": [
19.850000000000023,
151,
282.1,
413.19999999999993,
544.3,
675.4,
806.5000000000001,
937.6,
1069,
1200
]
}
]
},
{
"name": "Poisson's ratio",
"symbol": "v",
"numericValue": 0.23916520982779324
}
]
},
{
"modelName": "Classification",
"modelId": "classification",
"constraints": [],
"properties": [
{
"name": "Material class",
"stringValue": "Ceramic"
},
{
"name": "Material family",
"stringValue": "Ceramic (technical)"
},
{
"name": "Material sub-class",
"stringValue": "Technical ceramic"
},
{
"name": "Material form",
"stringValue": "Bulk material"
},
{
"name": "Material state",
"stringValue": "Solid"
}
]
},
{
"modelName": "Density",
"modelId": "density",
"constraints": [],
"properties": [
{
"name": "Density",
"symbol": "rho",
"unit": "kg/m^3",
"numericValue": 3474.823760716134
}
]
},
{
"modelName": "Description",
"modelId": "description",
"constraints": [],
"properties": [
{
"name": "Description",
"stringValue": "Aluminum oxide (88% Al2O3)"
}
]
},
{
"modelName": "Elasticity, isotropic",
"modelId": "elasticity.isotropic",
"constraints": [],
"properties": [
{
"name": "Tensile modulus",
"symbol": "E",
"unit": "GPa",
"numericValue": 249.99874686880756
},
{
"name": "Poisson's ratio",
"symbol": "v",
"numericValue": 0.23916520982779324
}
]
},
{
"modelName": "Simple failure",
"modelId": "simple.failure",
"constraints": [],
"properties": [
{
"name": "Tensile strength, yield",
"symbol": "YS",
"unit": "MPa",
"numericValue": 200.0124996093994
}
]
},
{
"modelName": "Specific heat capacity",
"modelId": "specific.heat.capacity",
"constraints": [],
"properties": [
{
"name": "Specific heat capacity",
"symbol": "Cp",
"unit": "J/kg.°C",
"numericValue": 804.2387705153241
}
]
},
{
"modelName": "Thermal conductivity",
"modelId": "thermal.conductivity",
"constraints": [],
"properties": [
{
"name": "Thermal conductivity",
"symbol": "k",
"unit": "W/m.°C",
"numericValue": 13.73899558884097
}
]
}
]
}
]
}
