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  1. 3D & Motion Graphics
  2. Maya
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Understanding Particles and Dynamics in Maya—Part 18

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Difficulty:IntermediateLength:ShortLanguages:

Preview


1. Creating Fluid Container

Step 1

Open Maya.

Open Maya
Open Maya

Step 2

Jump in Dynamics mode. Go to Fluid Effects > Create 3D Container and draw a 3D fluid container in the view port as shown in the following image.

Dynamics mode
Dynamics mode

Step 3

Go to fluidShape1 attribute and set the value of Base Resolution to 50. You can change this value to 150 just before rendering for the final output.

fluidShape1
fluidShape1 

Step 4

Go to Container Properties and set the options of Boundary X to None, Boundary Y to –Y Side and Boundary Z to None.

Container Properties
Container Properties

Step 5

Go to Contents Method rollout and change the values of Temperature and Fuel to Dynamic Grid.

Contents Method
Contents Method

2. Creating Emitter

Step 1

With the container selected, go to Fluid Effects > Add/ Edit Contents > Emitter and click on the option box.

Fluid Effects  Add Edit Contents  Emitter
Fluid Effects > Add/ Edit Contents > Emitter 

Step 2

In the Emitter Options window, set the Emitter Type as Volume and Volume Shape as Sphere and then click on Apply and Close button.

Emitter Options window
Emitter Options window

Step 3

You can see the spherical emitter inside the fluid container. Place it on the bottom surface of the container.

Spherical emitter
Spherical emitter 

Step 4

With the Emitter selected, go to Fluid Attributes rollout and set the value of Density/Voxel/Sec to 50.

Density Voxel Sec
Density/ Voxel/ Sec

Step 5

Set the value of Fuel Method to No Emission.

Fuel Method
Fuel Method

Step 6

Go to Auto Resize to turn on Auto Resize option and turn off Resize Closed Boundaries and Resize in Substeps options. Set the values of Auto Resize Threshold to 0.002 and Auto Resize Margin to 8.

Auto Resize
Auto Resize

Step 7

Go to Lighting rollout and turn on Self Shadow option and change the value of Shadow Quality of 1.2. Set the Ambient Brightness value to 0.2.

Lighting rollout
Lighting rollout

Step 8

Go to Shading > Color and click on Selected Color option. Set the color to bit dark. It changes the color of the smoke in the viewport.

Shading  Color
Shading > Color

Step 9

With the Emitter selected, go to Fluid Attributes rollout and set the value of Heat/Voxel/Sec to 25.

Heat Voxel Sec
Heat/ Voxel/ Sec

Step 10

Hit the Play button. You can see that the fire is simulating straight and smooth. 

Hit the Play button
Hit the Play button

Step 11

With the fluid container selected, go to fluidShape1 > Content Details > Temperature and set the values of Turbulence to 25. Hit the Play button and now you can see the turbulence in the fire simulation.

fluidShape1  Content Details  Temperature
fluidShape1 > Content Details > Temperature

Step 12

Set the Temperature Scale value to 2.5

Temperature Scale
Temperature Scale

Step 13

Set the Dissipation value to 2.

Dissipation
Dissipation

Step 14

Go to Shading > Incandescence rollout and set the value of Input Bias to 0.075

Shading  Incandescence
Shading > Incandescence

Step 15

Go to Shading > Opacity rollout and set the value of Input Bias to 0.080.

Shading  Opacity
Shading > Opacity

Step 16

Start rendering the frames and you will the smoky fire simulation as shown in the following image.

Start rendering the frames
Start rendering the frames

Conclusion

Hope you must have enjoyed the tutorial. In the next part of the series, I'll show you how to create a burning house or car simulation using fluid dynamics in Maya.

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