### 5.1.5. Properties View

The Properties view is a table whose entries describe the status of a system. These entries vary between system cells and are affected by the status of the cell. Some entries in the Properties area are writable; others are for information only.

To display the Properties for a particular cell, right-click the cell and select Properties. Once the Properties view is open, simply selecting a cell in the Project Schematic will display that cell's properties.

The following properties are specific to ANSYS CFX components:

Setup Cell Properties
Physics Status | Provides information about the current settings in ANSYS CFX-Pre and describes how to adjust them. This information includes details on any physics validation errors that require attention before the solution can update (which is the same information that is available in the CFX-Pre physics validation summary).
Solution Cell Properties

Keep Latest Solution Data Only

Choose `True` (the default, unless you change the Workbench preference for this property) to automatically, after updating the Solution cell, delete any associated old solution data (in effect, performing Clear Old Solution Data > All Old Data). This is useful for reducing the total disk space used by the project.

The default, which applies to newly created systems, can be changed via a Workbench preference. For details, see CFX in the Workbench User's Guide.

Choose `False` to retain old solution data when updating the Solution cell. This is the behavior for Release 16.2 and prior releases. The default, which applies to newly created systems, can be changed via a Workbench preference. For details, see CFX in the Workbench User's Guide.

Cache Solution Data

Choose `True` to retain cached solution data for non-current Design Points (in addition to the current Design Point) after they are solved. This allows for faster Design Point restarts, and is especially useful when updating multiple Design Points after making a small non-parametric change to the case; the cached solution data is used to provide initial conditions.

The default can be changed via a Workbench preference. For details, see CFX in the Workbench User's Guide.

Note: The Cache Solution Data property acts as if set to `False` when running a multiple configuration case.

Choose `False` (the default, unless you change the Workbench preference for this property) to automatically, after solving the current Design Point, delete any associated cached solution data (in effect, performing Clear Cached Solution Data > Current Design Point Only). This is useful for reducing the total disk space used by the project.

Note that, for this choice (`False`), solving all Design Points has the effect of deleting the associated cached solution data for all Design Points.

The default can be changed via a Workbench preference. For details, see CFX in the Workbench User's Guide.

Initialization Option [a] [b]

`Automatic`

This option is intended to use the best available solution data to initialize the solution.

The data for initializing the solution is found according to the following order of precedence:

1. Restart

2. Cached solution data

3. Current solution data or previous updated solution data, depending on the Design Point initiation.

4. Upstream solution data

5. Initial conditions

Note: Cached solution data is not available when running a multiple configuration case.

`Update from cached solution data if possible`

The data for initializing the solution is found according to the following order of precedence:

- Restart

- Cached solution data

- Upstream solution data

- Initial conditions

Note:

- Cached solution data is not available when running a multiple configuration case.

- Note that `Update from cached solution data if possible` behaves in a similar way to `Update from current solution data if possible` except that it is not influenced by Design Point initiation.

`Update from current solution data if possible`

The data for initializing the solution is found according to the following order of precedence:

1. Restart

2. Current solution data or previous updated solution data, depending on the Design Point initiation.

3. Upstream solution data

4. Initial conditions

Note:

- This option (`Update from current solution data if possible`) is the default (unless you change the Workbench preference for this property) and is not desirable for:

  - Starting from initial conditions provided by another system

  - A situation in which you have divergent results and do not want to start an update from those bad results.

  The default can be changed via a Workbench preference. For details, see CFX in the Workbench User's Guide.

- A Results Error file (.res.err) produced by CFX-Solver during a failed run is treated as current cell data by the Solution cell; however, the Solution cell will not be marked as being up-to-date. These files may not be usable for initializing a subsequent update when the initialization option `Update from current solution data if possible` is selected. In these situations, update from the originally defined initial conditions by selecting Clear Generated Data, or by changing the Initialization Option property of the Solution cell.

`Update from initial conditions`

The data for initializing the solution is found according to the following order of precedence:

- Restart

- Upstream solution data

- Initial conditions

Note:

- For cases involving System Coupling, and for cases involving multiple configurations, the Initialisation Option property must be set to `Update from initial conditions`.

- In order to avoid using restart data (that is, to avoid having the run continue from the previous results), the Solution cell must not be in an up-to-date state or an interrupted state. To achieve this, clear any generated data by right-clicking the Solution cell and selecting Clear Generated Data.

Execution Control Conflict Option

If you add or change Execution Control in CFX-Pre in a way that is perceived to conflict with the Execution Control settings stored in the Solution cell, by default an error message appears when you attempt to update the Solution cell. From the Properties view you can choose to set Workbench to:

- `Warn`

  This is the default (unless you change the Workbench preference for this property), which enables you to decide on a case-by-case basis by using the Solution cell's context menu.

  When there is a perceived conflict between the two sources of execution control settings, a warning message appears. This enables you to resolve the conflict by right-clicking the Solution cell and selecting Edit Run Definition. You can then choose to use the execution control settings from either the Setup cell or the Solution cell for either this run or for all subsequent runs (until you change the Workbench preference for this setting).

- `Use Setup Cell Execution Control` causes the execution control specified by the Setup cell to be used. Selecting the corresponding Workbench preference for this setting is equivalent to right-clicking the Solution cell and selecting Using execution control from Setup cell always.

- `Use Solution Cell Execution Control` causes the execution control specified by the Solution cell to be used. Selecting the corresponding Workbench preference for this setting is equivalent to right-clicking the Solution cell and selecting Using execution control from Solution cell always.

The default can be changed via a Workbench preference. For details, see CFX in the Workbench User's Guide.

See Resolving Execution Control Conflicts for details.

Load Option [c] | Choose `Last results only` to load only the last configuration of a multi-configuration results file, or only the last results from a results file that contains a run history, into CFD-Post.

Choose `Complete history as a single case` to load all configurations of a multi-configuration run as a single case, or all of the results history from a results file that contains a run history. In either case, only one set of results will appear in the CFD-Post viewer, but you can use the timestep selector to move between results. This option is not fully supported.

Note: When multi-configuration files are loaded as a single sequence, the solution expressions (Reference Pressure, and so on) represent the last configuration, no matter which configuration is currently viewed.

Choose `Complete history as separate cases` to load all configurations from a multi-configuration run into separate cases. If a results file with run history is loaded, CFD-Post loads the results from this file and the results for any results file in its run history as separate cases. Each result appears as a separate entry in the tree.

Update Option

Controls how the update proceeds. The options are:

- `Run in Background`

- `Run in Foreground`

- `Submit to Remote Solve Manager`

- During a foreground update, the user interface strictly limits what you can do. For example, you cannot edit other cells, save, or quit.

- During a background update, the user interface allows other operations and updates on other cells to take place, and you can also save and quit the project.

  After saving and quitting, the solver run will still continue. You can re-open the project and use the Reconnect button to access data that was put into batch mode.

- If you select `Submit to Remote Solve Manager`, you need to specify the Solve Manager (use localhost for a local parallel run on a machine that has the appropriate parallel processing software installed and configured) and the Queue (which you define using the Remote Solve Manager software). See Using CFX with the Remote Solve Manager for details.

  Note: The run mode for the update to the Solution cell is set on the CFX-Solver Manager's Define Run dialog box. If you specify a remote host, you must ensure that the run mode you choose is supported on that host.

For a project that has been saved, a foreground update that is in progress can be made into a background update by using the Switch Active Solution to Background context menu option. This action will not change the Update Option setting for the next run.

Results Cell Properties
Generate Report | Select this check box to automatically publish a report. The location of the report is displayed in the Files view.

[a] When running in Workbench, CFX-Solver Manager has, in its Define Run dialog box, on the Initial Values tab, an Initialization Option setting that synchronizes interactively with changes in the Initialization Option property of the Solution cell. For details on the Initial Values tab, see Initial Values Tab in the CFX-Solver Manager User's Guide.

[b] For cases involving System Coupling, and for cases involving multiple configurations, this property must be set to `Update from initial conditions`.

[c] For details, see Configurations in the CFX-Pre User's Guide.

Release 18.2 - © ANSYS, Inc. All rights reserved.