ChangeDictionary

Generates an OpenFOAM changeDictionaryDict file for modifying field values and boundary conditions in an existing case.

Type: openFOAM.system.ChangeDictionary

Parameters

Parameter	Type	Default	Description
fields	object	{}	Dictionary of field modifications to apply

The fields object maps field names to their boundary condition changes, following the OpenFOAM changeDictionary format.

Output

Field	Description
Result	The rendered changeDictionaryDict file content

Example

{
    "ChangeDictionary": {
        "Execution": {
            "input_parameters": {
                "fields": {
                    "U": {
                        "inlet": {
                            "type": "fixedValue",
                            "value": "uniform (10 0 0)"
                        },
                        "outlet": {
                            "type": "zeroGradient"
                        }
                    },
                    "p": {
                        "outlet": {
                            "type": "fixedValue",
                            "value": "uniform 0"
                        }
                    }
                }
            }
        },
        "type": "openFOAM.system.ChangeDictionary"
    }
}

Note

This node is commonly used together with the Boundary Conditions node for setting field values on mesh patches.