EC XML File Format
Region
The following is the EC XML format for the region (computational domain).
Blower
Blower objects are not exported.
Plate
Note the following regarding exported plate objects:
- Adiabatic plates are exported with a thickness of 1 mm.
- Conducting plates with a Thermal Specification of Conductance, Thermal Resistance, or Thermal Impedance are exported with a specification of Thickness and given a 1 mm thickness.
The following is the EC XML format for a plate boundary condition and its geometry.
Wall
Note the following regarding exported wall objects:
- Symmetry walls are not exported.
- Walls are exported with a thickness of 1 mm.
The following is the EC XML format for a wall boundary condition and its geometry.
Block (Box)
Note the following regarding exported block objects:
- All 3D shapes except for cylinders are exported as block objects.
- Hollow and fluid blocks are not exported.
The following is the EC XML format for a block boundary condition assigned to box geometry.
Block (Cylinder)
Hollow and fluid blocks are not exported.
The following is the EC XML format for a block boundary condition assigned to cylinder geometry.
Source (3D Box)
Note the following regarding exported 3D source objects:
- 3D sources are exported as source block objects.
- Sources with a Thermal Condition of Surface Flux or Fixed Temperature are exported with a power specification of 0.
The following is the EC XML format for a source boundary condition assigned to 3D Box geometry.
Source (2D Rectangle)
Note the following regarding exported 2D source objects:
- 2D sources are exported as 2D source block objects.
- Sources with a Thermal Condition of Surface Flux or Fixed Temperature are exported with a specification of power of 0.
The following is the EC XML format for a source boundary condition assigned to 2D rectangle geometry.
Grille
Note the following regarding exported grille objects:
- The Pressure Loss Type Loss Curve is not supported. It is exported with a loss coefficient of 0 and a free area ratio of 1.
- The Pressure Loss Type Loss Coefficient is calculated based on the Resistance Type. For the given Resistance Type, the loss coefficient is computed as follow, where
is the free area ratio:Perforated Thin Vent:

Circular Metal Wire Screen:

Two-Plane Screen Cyl. Bars:

The following is the EC XML format for a grille boundary condition and its geometry.
Resistance
Note the following regarding exported resistance objects:
- The Pressure Loss Types Power Law and Loss Curve are not exported.
- Pressure Loss Types of Power Law and Loss Curve are exported with a loss coefficient of 0 and a free area ratio of 1.
- For resistances with a Pressure Loss Type of Device/Approach, only the linear coefficient and free area ratio are exported.
The following is the EC XML format for a resistance boundary condition and its geometry.
Opening
Note the following regarding exported opening objects:
- Recirculating openings are not exported.
- Free openings are exported as grille objects with a loss coefficient of 0 and a free area ratio of 1.
Network
Note the following regarding exported network objects:
- Only one and two-resistor networks are exported.
- Network faces must be parallel and part of the same 3D geometry.
The following is the EC XML format for a network boundary condition and its geometry.
PCB
Note the following regarding exported PCB objects:
- Only PCB substrate layers and exported. Devices and solderballs are not exported.
- The default assigned material is FR-4.
The following is the EC XML format for a PCB component.
Heat sink
Heat sink bases and pins are exported as individual solid 3D blocks with its bounding box size and location data.
The following is the EC XML format for a heat sink component.
Fan (2D)
Note the following regarding exported 2D fan objects:
- Fans with Flow Type of Fixed Volumetric and Curve are exported.
- The Flow Type Fixed Mass Flow is not exported.
- Fans with a Flow Type of Fixed Mass Floware exported with a fixed flow specification of 0.
- The Flow Direction is exported as <plane></plane> in the exported xml schema.
The following is the EC XML format for a 2D fan component.
Fan (3D)
Note the following regarding exported 3D fan objects:
- Fans with Flow Type of Fixed Volumetric and Curve are exported.
- The Flow Type Fixed Mass Flow is not exported.
- Fans with a Flow Type of Fixed Mass Floware exported with a fixed flow specification of 0.
- The Flow Direction is exported as <plane></plane> in the exported xml schema.
- For 3D fans with a hub size specified as 0, the exported value is calculated as 1/10th the size of the fan dimensions, where the fan dimension used is the diameter (circular fans) or the smaller of width or length (rectangular fans).
The following is the EC XML format for a 3D fan component with a Curve specified as the Flow Type.
The following is the EC XML format for a 3D fan component with a Fixed Volumetric specified as the Flow Type.
Mesh Region
Note the following regarding exported mesh regions:
- A mesh region is exported as an assembly.
- Mesh regions that are assigned to geometries are associated with those geometries when exported.
The following is the EC XML format for a mesh region.
Material
Note the following regarding exported materials:
- Only solid materials are exported.
- Thermal modifiers are not exported for Mass Density and Specific Heat.
- Thermal Conductivity is supported for Simple and Anisotropic types.
- For Simple with a Quadratic thermal modifier where C2 = 0, it is exported as linear temperature-dependent where the coefficient is equal to
and TempRef is defined in kelvins. - For Anisotropic, the thermal conductivity is exported as orthotropic.
- For Simple with a Quadratic thermal modifier where C2 = 0, it is exported as linear temperature-dependent where the coefficient is equal to
The following is the EC XML format for a material.
Monitor Point
The following is the EC XML format for a monitor point.