---
title: "FLIP Particles Life Cycle"
canonical: "https://documentation.chaos.com/space/PHX4MAYA/125862753/FLIP%20Particles%20Life%20Cycle"
format: markdown
---
This page lists all processes that create and destroy the different FLIP liquid particle types, including conversions between particle types.


![image](media://23468afb-525f-41d6-98e4-d98fb7a962da)


## <span style="color: #000000">**Liquid**</span>

---

<span style="color: #000000">**Simulated when**</span><span style="color: #000000">: </span><span style="color: #000000">[Liquid Simulator Output rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125899086)</span><span style="color: #000000"> </span><span style="color: #000000">**Liquid Grid/Particles**</span><span style="color: #000000"> enabled.</span>

<span style="color: #000000">**Birth**</span><span style="color: #000000">:</span>

- <span style="color: #000000">From a </span>[Liquid Source](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125895877). *Requires*:<span style="color: #000000"> Source </span>**Emit Liquid **<span style="color: #000000">enabled.</span>
- From a [Fire/Smoke Source](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125895595)<span style="color: #000000">. </span><span style="color: #000000">*Requires*</span><span style="color: #000000">: Source </span>**Temperature**<span style="color: #000000"> enabled.</span>
- From a [Mapper](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125896041)<span style="color: #000000">. </span><span style="color: #000000">*Requires*</span><span style="color: #000000">: Temperature/Liquid mapped.</span>
- Via **Initial Liquid Fill**<span style="color: #000000">. </span><span style="color: #000000">*Requires*</span><span style="color: #000000">: a geometry's </span>[Phoenix FD Extra Attributes](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125961264).
- Via **Initial Fillup**<span style="color: #000000">. </span><span style="color: #000000">*Requires*</span><span style="color: #000000">: </span>[Liquid Simulator Dynamics rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125637296).
- <span style="color: #000000">When Splash particles die either on entering the Liquid volume, or on contact with a </span><span style="color: #000000">[Solid](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125961264)</span><span style="color: #000000"> geometry. </span><span style="color: #000000">*Requires*</span><span style="color: #000000">: </span><span style="color: #000000">[FLIP Particles Life Cycle#Splash](https://docs-chaos.atlassian.net/wiki/spaces/PHX3MAYA4EDIT/pages/117276935)</span><span style="color: #000000"> is simulated + </span><span style="color: #000000">[Liquid Simulator Splash rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/126093096)</span><span style="color: #000000"> </span><span style="color: #000000">**Affect Liquid**</span><span style="color: #000000"> > 0.</span>

<span style="color: #000000">**Life**</span><span style="color: #000000">:</span>

- <span style="color: #000000">At places where the liquid velocity gradient is high, creates Foam particles. </span><span style="color: #000000">*Requires*</span><span style="color: #000000">: </span><span style="color: #000000">[FLIP Particles Life Cycle#Foam](https://docs-chaos.atlassian.net/wiki/spaces/PHX3MAYA4EDIT/pages/117276935)</span><span style="color: #000000"> is simulated.</span>
- At places where the liquid surface has sharp edges, creates Splash particles<span style="color: #000000">. </span>*Requires*<span style="color: #000000">: </span>[Splash ](https://docs-chaos.atlassian.net/wiki/spaces/PHX3MAYA4EDIT/pages/117276935)<span style="color: #000000">is simulated.</span>
- At places where the liquid is in free fall, creates Splash particles<span style="color: #000000">. </span>*Requires*<span style="color: #000000">: </span>[FLIP Particles Life Cycle#Splash](https://docs-chaos.atlassian.net/wiki/spaces/PHX3MAYA4EDIT/pages/117276935)<span style="color: #000000"> is simulated + </span><span style="color: #000000">[Liquid Simulator Splash rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/126093096)</span><span style="color: #000000"> </span><span style="color: #000000">**By Free Fly**</span><span style="color: #000000"> > 0.</span>
- On contact with a [Solid](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125961264) geometry, creates WetMap particles<span style="color: #000000">. </span>*Requires*<span style="color: #000000">: </span>[WetMap ](https://docs-chaos.atlassian.net/wiki/spaces/PHX3MAYA4EDIT/pages/117276935)<span style="color: #000000">is simulated + geometry has </span>[Wetting property](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125961264).

<span style="color: #000000">**Death**</span><span style="color: #000000">:</span>

- <span style="color: #000000">If outside the </span><span style="color: #000000">[Liquid Simulator](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125765148)</span><span style="color: #000000">.</span>
- If inside the volume of a geometry with [Clear Inside property](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125961264) + Liquid in Clear Channel list.
- If inside the volume of a geometry used by a **Volume Brush**<span style="color: #000000"> </span>[Fire/Smoke Source](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125895595)<span style="color: #000000">. </span><span style="color: #000000">*Requires*</span><span style="color: #000000">: Source </span>**Temperature**<span style="color: #000000"> enabled and set to 0.</span>
- On contact with a geometry used by any [Liquid Source](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125895877) with negative **Outgoing Velocity** or negative **Inject Power.**
- On contact with a [Solid](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125961264) geometry<span style="color: #000000">. </span>*Requires*<span style="color: #000000">: </span>[FLIP Particles Life Cycle#WetMap](https://docs-chaos.atlassian.net/wiki/spaces/PHX3MAYA4EDIT/pages/117276935)*** ***<span style="color: #000000">is simulated + geometry has </span>[Wetting property](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125961264)<span style="color: #000000"> + </span>[Liquid Simulator Dynamics rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125637296)<span style="color: #000000"> </span>**Consumed Liquid**<span style="color: #000000"> > 0.</span>
- On creating Splash particles<span style="color: #000000">. </span>*Requires*<span style="color: #000000">: </span>[FLIP Particles Life Cycle#Splash](https://docs-chaos.atlassian.net/wiki/spaces/PHX3MAYA4EDIT/pages/117276935)<span style="color: #000000"> is simulated + </span>[Liquid Simulator Splash rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/126093096)<span style="color: #000000"> </span>**Affect Liquid**<span style="color: #000000"> > 0.</span>


## <span style="color: #000000">**Foam**</span>

---

<span style="color: #000000">**Simulated when**</span><span style="color: #000000">: </span><span style="color: #000000">[Liquid Simulator Output rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125899086)</span><span style="color: #000000"> </span><span style="color: #000000">**Foam Particles **</span><span style="color: #000000">enabled + </span><span style="color: #000000">[Liquid Simulator Foam rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125964038)</span><span style="color: #000000"> enabled.</span>

<span style="color: #000000">**Birth**</span><span style="color: #000000">:</span>

- <span style="color: #000000">At places where the liquid velocity gradient is high. </span>*Requires*<span style="color: #000000">: </span>[FLIP Particles Life Cycle#Liquid](https://docs-chaos.atlassian.net/wiki/spaces/PHX3MAYA4EDIT/pages/117276935)<span style="color: #000000"> is simulated.</span>
- When Splash particles die on entering the Liquid volume<span style="color: #000000">. </span>*Requires*<span style="color: #000000">: </span>[FLIP Particles Life Cycle#Splash](https://docs-chaos.atlassian.net/wiki/spaces/PHX3MAYA4EDIT/pages/117276935)<span style="color: #000000"> is simulated + </span>[Liquid Simulator Splash rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/126093096)<span style="color: #000000"> </span>**Foam On Hit**<span style="color: #000000"> > 0.</span>
- From any [Source ](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125895877)<span style="color: #000000">(Source </span>**Particles**<span style="color: #000000"> enabled + Source </span>**Particle Type**<span style="color: #000000"> = Foam).</span>

<span style="color: #000000">**Death**</span><span style="color: #000000">:</span>

- <span style="color: #000000">Particle Age > </span><span style="color: #000000">**Half Life**</span><span style="color: #000000"> + random variation.</span>
- If outside the [Liquid Simulator](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125765148)<span style="color: #000000"> + Particle Age > </span><span style="color: #000000">[Liquid Simulator Foam rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125964038)</span><span style="color: #000000"> </span><span style="color: #000000">**Max Outside Age**</span><span style="color: #000000">.</span>
- If inside the volume of a geometry with [Clear Inside property](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125961264) + Foam in Clear Channel list.


## <span style="color: #000000">**Splash**</span>

---

<span style="color: #000000">**Simulated when**</span><span style="color: #000000">: </span><span style="color: #000000">[Liquid Simulator Output rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125899086)</span><span style="color: #000000"> </span><span style="color: #000000">**Splash Particles**</span><span style="color: #000000"> enabled + </span><span style="color: #000000">[Liquid Simulator Splash rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/126093096)</span><span style="color: #000000"> enabled.</span>

<span style="color: #000000">**Birth**</span><span style="color: #000000">:</span>

- At places where the liquid surface has sharp edges<span style="color: #000000">. </span>*Requires*<span style="color: #000000">: </span>[FLIP Particles Life Cycle#Liquid](https://docs-chaos.atlassian.net/wiki/spaces/PHX3MAYA4EDIT/pages/117276935) <span style="color: #000000">is simulated.</span>
- At places where the liquid is in free fall<span style="color: #000000">. </span>*Requires*<span style="color: #000000">: </span>[FLIP Particles Life Cycle#Liquid](https://docs-chaos.atlassian.net/wiki/spaces/PHX3MAYA4EDIT/pages/117276935)<span style="color: #000000"> is simulated + </span><span style="color: #000000">[Liquid Simulator Splash rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/126093096)</span><span style="color: #000000"> </span><span style="color: #000000">**By Free Fly**</span><span style="color: #000000"> > 0.</span>
- From any [Source](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125895877)<span style="color: #000000">. </span><span style="color: #000000">*Requires*</span><span style="color: #000000">: Source </span>**Particles**<span style="color: #000000"> enabled + Source </span>**Particle Type**<span style="color: #000000"> = Splash.</span>

<span style="color: #000000">**Life**</span><span style="color: #000000">:</span>

- <span style="color: #000000">On free fall, splits into several smaller Splash particles </span><span style="color: #000000">*Requires*</span><span style="color: #000000">: </span><span style="color: #000000">[Liquid Simulator Splash rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/126093096)</span><span style="color: #000000"> </span><span style="color: #000000">**Splash to Mist**</span><span style="color: #000000"> > 0.</span>
- On movement, creates Mist particles and decreases its Particle Size<span style="color: #000000">. </span>*Requires*<span style="color: #000000">: </span>[FLIP Particles Life Cycle#Mist](https://docs-chaos.atlassian.net/wiki/spaces/PHX3MAYA4EDIT/pages/117276935)<span style="color: #000000"> is simulated + </span>[Liquid Simulator Splash rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/126093096)<span style="color: #000000"> </span>**Splash to Mist**<span style="color: #000000"> > 0.</span>
- On death due to entering the Liquid volume, or due to contact with a geometry, creates Liquid particles<span style="color: #000000">. </span>*Requires*<span style="color: #000000">: </span>[FLIP Particles Life Cycle#Liquid](https://docs-chaos.atlassian.net/wiki/spaces/PHX3MAYA4EDIT/pages/117276935)<span style="color: #000000"> is simulated + </span>[Liquid Simulator Splash rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/126093096)<span style="color: #000000"> </span>**Affect Liquid**<span style="color: #000000"> > 0.</span>
- On death due to entering the Liquid volume, creates Foam particles<span style="color: #000000">. </span>*Requires*<span style="color: #000000">: </span>[FLIP Particles Life Cycle#Foam](https://docs-chaos.atlassian.net/wiki/spaces/PHX3MAYA4EDIT/pages/117276935)<span style="color: #000000"> is simulated + </span>[Liquid Simulator Splash rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/126093096)<span style="color: #000000"> </span>**Foam On Hit**<span style="color: #000000"> > 0.</span>

<span style="color: #000000">**Death**</span><span style="color: #000000">:</span>

- <span style="color: #000000">On entering the Liquid volume.</span>
- On contact with a [Solid](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125961264) geometry.
- If outside the [Liquid Simulator](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125765148)<span style="color: #000000"> + Particle Age > </span>[Liquid Simulator Splash rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/126093096)<span style="color: #000000"> </span>**Max Outside Age**.
- If inside the volume of a geometry with [Clear Inside property](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125961264) + Splash in Clear Channel list.
- On creating Mist particles, if the Particle Size is too low<span style="color: #000000">. </span>*Requires*<span style="color: #000000">: </span>[FLIP Particles Life Cycle#Mist](https://docs-chaos.atlassian.net/wiki/spaces/PHX3MAYA4EDIT/pages/117276935)<span style="color: #000000"> is simulated + </span>[Liquid Simulator Splash rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/126093096)<span style="color: #000000"> </span>**Splash to Mist**<span style="color: #000000"> > 0.</span>


## <span style="color: #000000">**Mist**</span>

---

<span style="color: #000000">**Simulated when**</span><span style="color: #000000">: </span><span style="color: #000000">[Liquid Simulator Output rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125899086)</span><span style="color: #000000"> </span><span style="color: #000000">**Mist Particles**</span><span style="color: #000000"> enabled + </span><span style="color: #000000">[Liquid Simulator Splash rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/126093096)</span><span style="color: #000000"> enabled + </span><span style="color: #000000">[Liquid Simulator Splash rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/126093096)</span><span style="color: #000000"> </span><span style="color: #000000">**Splash to Mist**</span><span style="color: #000000"> > 0.</span>

<span style="color: #000000">**Birth**</span><span style="color: #000000">:</span>

- <span style="color: #000000"> </span>On Splash particles movement<span style="color: #000000">. </span>*Requires*<span style="color: #000000">: </span>[FLIP Particles Life Cycle#Splash](https://docs-chaos.atlassian.net/wiki/spaces/PHX3MAYA4EDIT/pages/117276935)<span style="color: #000000"> is simulated + </span>[Liquid Simulator Splash rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/126093096)<span style="color: #000000"> </span>**Splash to Mist**<span style="color: #000000"> > 0.</span>

<span style="color: #000000">**Death**</span><span style="color: #000000">:</span>

- <span style="color: #000000">On entering the Liquid volume.</span>
- On contact with a [Solid](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125961264) geometry.
- If outside the [Liquid Simulator](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125765148)<span style="color: #000000"> + Particle Age > </span>[Liquid Simulator Splash rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/126093096)<span style="color: #000000"> </span>**Max Outside Age**.
- <span style="color: #000000">If inside the volume of a geometry with </span><span style="color: #000000">[Clear Inside property](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125961264)</span><span style="color: #000000"> + Mist in Clear Channel list.</span>


## <span style="color: #000000">**WetMap**</span>

---

<span style="color: #000000">**Simulated when**</span><span style="color: #000000">: </span><span style="color: #000000">[Liquid Simulator Output rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125899086)</span><span style="color: #000000"> </span><span style="color: #000000">**WetMap Particles**</span><span style="color: #000000"> enabled + </span><span style="color: #000000">[Liquid Simulator Dynamics rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125637296)</span><span style="color: #000000"> </span><span style="color: #000000">**Wetting**</span><span style="color: #000000"> enabled.</span>

<span style="color: #000000">**Birth**</span><span style="color: #000000">:</span>

- <span style="color: #000000"> </span>When Liquid particles make contact with a [Solid](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125961264) geometry<span style="color: #000000">. </span>*Requires*<span style="color: #000000">: </span>[FLIP Particles Life Cycle#Liquid](https://docs-chaos.atlassian.net/wiki/spaces/PHX3MAYA4EDIT/pages/117276935) <span style="color: #000000">is simulated + geometry has </span>[Wetting property](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125961264).

<span style="color: #000000">**Death**</span><span style="color: #000000">:</span>

- <span style="color: #000000">If Particle Age > </span><span style="color: #000000">[Liquid Simulator Dynamics rollout](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125637296)</span><span style="color: #000000"> </span><span style="color: #000000">**Drying Time**</span><span style="color: #000000">.</span>
- <span style="color: #000000">If outside the </span><span style="color: #000000">[Liquid Simulator](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125765148)</span><span style="color: #000000">.</span>
- If inside the volume of a geometry with [Clear Inside property](https://docs-chaos.atlassian.net/wiki/spaces/PHX4MAYA/pages/125961264) + WetMap in Clear Channel list.