Domain Particle Settings
This page documents the domain settings for the FLIP Fluid Particles panel.
All parameters in this panel except the display and render settings must be set before baking for changes in the simulation to take effect.
This section contains settings to control the export of fluid particles to the simulation cache. Fluid particles are the internal particles of the fluid simulation that are used to track where the liquid exists as well as track properties of the liquid.
| Enable Fluid Particle Export | Enable fluid particle data to be exported to the simulation cache. |
| Particle Export Amount | Amount of fluid particles to export. A value of 1.0 will export all fluid particles. Fluid particles can require a large amount of cache storage. Decrease this value to reduce cache size if not all particles will need to be displayed or rendered. The number of particles to display/render can be further reduced in the Domain Display Settings panel. |
| Export Surface Particles | Export fluid particles that are near the fluid surface. Particles are considered to be surface particles if they are near empty air, but are not near the domain boundary. |
| Export Boundary Particles | Export fluid particles that are near the domain boundary. Particles are considered to be boundary particles if they are near the boundary of the domain. If a surface Meshing Volume object is set in the Domain Surface Settings panel, particles near the surface of this object are considered boundary particles. |
| Export Interior Particles | Export fluid particles that are inside of the fluid surface. Particles are considered to be interior particles if they are not classified as either surface or boundary particles. In many situations, interior particles will make up the majority of fluid particles and can require the largest portion of cache storage. |
| Skip Particles With Source ID Value | If the fluid particle Source ID attribute is enabled, this setting can be used to skip exporting fluid particles that have the specified Source ID value. Fluid particle data can require a large amount of cache storage. This option is useful to reduce cache size and speed up playback in situations where particles are not needed from a specific Fluid or Inflow objects. |
This section contains settings to control the initial placement of fluid particles that are generated by Fluid or Inflow objects. For fluid particle rendering, it is recommended to enable the Jitter Surface Particles option which results in more natural particle generation. For details on these settings, refer to the Domain > Advanced > Simulation Stability documentation.
By default, fluid particles are rendered as a Point Cloud object that is generated in a Geometry Nodes modifier. This section contains settings to adjust the particle scale and motion blur settings. More display settings such as final or preview mode, or display amounts can be found in the Domain > Display Settings > Fluid Particle Display Settings panel. By default, the viewport display mode will be set to Preview to reduce the amount of particles that are loaded into the viewport.
This submenu contains options to enable exporting simulation attributes for the fluid particles. After baking, these attributes can then be accessed in a shader, in a geometry node network, or in other areas of Blender. Refer to the Attributes and Data documentation for more information.
These features are currently affected by a bug in Blender and are hidden by default. Unhide this feature by enabling the Developer Tools option in the addon preferences. See the Preferences > Developer Tools documentation for more information on how to enable this feature, the features affected by this bug, and how to work around this issue.
