## On this page

  

 

 # Ansys Common Fluids Settings Data Model 

 Last update: 16.07.2025 

# <a class="anchor" id="SettingsDMIntro"></a>Settings Data Model

The Setttings Data Model stores a number of keys (strings) that are associated with values. The values may be returned in a number of data types via the `CffVariant` type.

The model is relatively simple and there are functions in the API that return the available keys:

```
CffProvider::getSettingsKeys 
```

 and also the values associated with them:

```
CffProvider::getSettings
```

 Currently, only a few settings are common across all solvers that write the model, but in the future, more settings will be standardized, allowing a more common approach to solver configuration processing.

## <a class="anchor" id="PhysicsDM"></a>Physics Data Model

The Physics Data Model is part of the [Settings Data Model](_settings_d_m.xhtml).

There are several types of physics objects, including `domains`, `subdomains`, `boundaries`.

Use the object type as defined above to find out the names of all objects of that type by calling [CffProvider::getSettings](classansys_1_1_cff_provider.xhtml#ac1d7c0645d0ebab207214d92126b49c6 "Return the value as a variable for a specific key in the Ansys Common Fluids Settings Data Model.") to access the settings, for example:

```
std::vector<std::string> domainNames = 
  provider->getSettings(ansys::DataClass::CFF_CASE, "domains").asStringVector();
```

 which will return an array of domain names.

One of the primary functions of the physics settings is to provide the `location` for each of the objects.

To obtain the location, do the following:

```
std::string> location = 
  provider->getSettings(ansys::DataClass::CFF_CASE, "domains/<name>/location").asString();
```

 where `<name>` is one of the domain names returned previously.

You should use the [Topology Data Model](_topology_d_m.xhtml) to resolve the location to the cell zones.