18.3. Parameters in Workbench Projects

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User's Guide | Chapter 18: Working With ANSYS Workbench Projects |

18.2. Saving Workbench Project Archives in EKM |  | 18.4. Updating Workbench Projects in EKM
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## 18.3. Parameters in Workbench Projects

A Workbench parameter is an input or output parameter in a project that is linked to a data model property within an application (Mechanical APDL, CFX, Polyflow, and so on). Parameter values can be numeric or non-numeric (String or Boolean). When an input parameter is modified at the project level, it drives a change within the data model. The value of an output parameter is set by the application, and is based on the current results or state.

All parameters have a type, preferably a quantity with a quantity name. The quantity name is used to define preferred and available units for the quantity. If the value is not a quantity or does not have a quantity name set, it will be displayed as unit-less throughout the user interface. Refer to Working with Parameters and Design Points in the ANSYS Workbench User's Guide for more details.

The figure that follows shows tables of Design Points and Outline of All Parameters in a Workbench project report for a sample project. Workbench stores and coordinates all of the parameters and design points that are produced or consumed by components of the project.

Figure 18.3: Workbench Project Report: Design Points and Outline of All Parameters

### Input Parameters

Input parameters are those parameters that define the inputs to the analysis for the model under investigation. Input parameters have predefined ranges that can be changed. These include (and are not limited to) CAD parameters, Analysis parameters, ANSYS DesignModeler parameters and Mesh parameters. CAD and DesignModeler input parameters may include length, radius, and so on; analysis input parameters may include pressure, material properties, materials, sheet thickness, and so on.

### Output Parameters

Output parameters are those parameters that result from the geometry or are the response outputs from the analysis. These include (and are not limited to) volume, mass, frequency, stress, heat flux, number of elements, and so forth.

### Out-of-Date Parameters

Output parameters that are shown in the Design Points table have an associated state. Output parameters that are up-to-date are shown with only the value of the output parameter. Output parameters that are out-of-date are shown with an icon indicating that the parameter requires an update ( ). During a design point update, the output parameters are updated. Changes elsewhere in the project could cause the state of some, but not all, output parameters to go out-of-date and require update. In those cases, only those output parameters affected by the changes are shown as update required. Output parameters that are not affected by the changes remain up-to-date.

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