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How to use Thermal Model Exchanger
The following section describes how to use Thermal Model Exchanger to transfer thermal models between Thermal Desktop and Simcenter 3D Space Systems Thermal.
Start Thermal Model Exchanger
You can start Thermal Model Exchanger in a new or existing Thermal Desktop session.

User documentation
- Introduction
  Thermal Model Exchanger is a Windows application that allows you to transfer thermal models between Ansys Thermal Desktop^TM and Simcenter 3D Space Systems Thermal. The application supports the transfer of meshes, material and optical properties, and boundary conditions of your model.
- Thermal Model Exchanger user interface
  The Thermal Model Exchanger user interface consists of a top border bar and an information window.
- How to use Thermal Model Exchanger
  The following section describes how to use Thermal Model Exchanger to transfer thermal models between Thermal Desktop and Simcenter 3D Space Systems Thermal.
  - Start Thermal Model Exchanger
    You can start Thermal Model Exchanger in a new or existing Thermal Desktop session.
  - Import a Simcenter 3D model to Thermal Desktop
    When you import a Simcenter 3D model to Thermal Desktop, Thermal Model Exchanger imports the CAE entities listed in the thermal solver input XML file generated by Simcenter 3D Space Systems Thermal.
  - Export a Thermal Desktop model to Simcenter 3D
    When you export a Thermal Desktop model to Simcenter 3D Space Systems Thermal, Thermal Model Exchanger reads the CAE entities used in the Thermal Desktop session, and converts the supported entities to an XML file.
- Simcenter 3D entities supported by Thermal Model Exchanger
  This page summarizes the Simcenter 3D Space Systems Thermal entities supported by the Thermal Model Exchanger during the import.
- Thermal Desktop entities supported by Thermal Model Exchanger
  This page summarizes the Thermal Desktop entities supported by the Thermal Model Exchanger during the export.
- Assumptions and limitations for importing a model
  The following section describes the Thermal Model Exchanger assumptions and limitations when you import a Simcenter 3D Space Systems Thermal model into Thermal Desktop.
- Assumptions and limitations for exporting a model
  The following section describes the Thermal Model Exchanger assumptions and limitations when you export a Thermal Desktop model to a Simcenter 3D Space Systems Thermal XML file.
- Legal notice

Start Thermal Model Exchanger

You can start Thermal Model Exchanger in a new or existing Thermal Desktop session.

You need a supported version of Ansys Thermal Desktop installed on your computer. For more information, see Supported versions.

To start Thermal Model Exchanger (TMX) in a new TD session, run the MayaThermalExchanger.bat file.

Follow these steps to start TMX in an existing Thermal Desktop session.

Start Thermal Desktop.
In the bottom command line of the existing Thermal Desktop session, type the command to start the latest OpenTD version, for example RCOPENTDV63, and press enter.
This command starts the OpenTD version 6.3. Depending on the Thermal Desktop version used, a different OpenTD version may be required. In this case, replace the last two digits with your version number.
Type Client and press enter.
This specifies the name of the server endpoint.
Run the MayaThermalExchanger.bat file.

The TMX executable starts, connects to a new or existing Thermal Desktop session, and opens the TMX window.