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#Realflow water how to#

"Max particles" is based on the total amount of emitted particles. Please enter a value to stop emission at a certain amount of particles. Activate this option before the simulation starts if you need it for → filtering or shading purposes. Vorticity channel computation is disabled by default to improve performance. A small amount of damping helps to stabilize a simulation, while higher values introduce viscosity to the material. Dampingĭamping smoothens the relative velocities between nearby particles. Any positive value is accepted, including 0. In many cases, values between 1.0 and 50.0 produce good results. To get a more turbulent and water-like fluid, increase this factor, but try to avoid very high values (unless necessary), because they can completely distort the fluid.

To get similar results as with SPH fluids, "Surface tension" can be up to 1000.

"Tensile strength" accepts any value between 0 and 10, but should not be greater than 1.

As a side-effect, the fluid's borders become thicker: Higher settings increase a fluid's tendency to contract and form string-like structures in conjunction with "Surface tension". You can enter any positive value and 0. The substeps and iterations settings in the "Scene" node's → " Solver" tab influence how this parameter acts on the fluid. Surface tensionĪ fluid's tendency to contract and create drops and tendrils is increased with higher settings. The substeps and iterations settings in the "Scene" node's → " Solver" tab influence how this parameter acts on the fluid. Particles tend to "stick" together with higher values and the parameter's range goes from 0 to 1. “External Pressure Scale" tries to limit a fluid’s expansion tendency and can be compared to atmospheric pressure. Internal pressure simulates the forces between nearby particles and pushes them apart - this makes the fluid fill a greater volume. The density of water is 1,000 kg/m 3. Avoid very small values close to 0, because they can lead to instabilities. This way you are able to simulate substances like oil and water. “Density” does not change the fluid's behaviour, but it is possible to mix fluids from different domains. This parameter is defined as mass per volume unit and is different for each substance.

The parameter accepts any positive value.

With “Resolution” set to 1.0, a volume of 1 m x 1 m x 1 m contains exactly 1,000 particles.

“Resolution” mainly depends on scene scale and emitter scale, but it also affects the material's mass and therefore depends on “Density”, too:

With this setting you can change the amount of particles. For a complete list of possible interactions please visit → this page. "Viscoelastic" is the choice of materials such as rubber, caoutchouc, silicone, or "memory foam"."Viscous" fluids are suited for substances like caramel, yogurt, oil, or lava.

"Granular" is suitable for substances like sand or snow."Liquid - PBD" is a very fast fluid type (faster than “Liquid - SPH”)."Liquid - SPH" is a very accurate fluid solver.These particles cannot react with each other and do not have the characteristic fluid properties, but they are simulated very fast. "Dumb” particles are often used for spray or foam.All types, except "Dumb", are GPU-accelerated: There are six different types of fluids and materials.

#Realflow water how to#

To learn more about how to link RealFlow scene elements and make them interact take a look at the → " Links" page with examples.All fluid, rigid, and elastic containers inside the drag-and-drop field will be affected by the fluid. If there is only one container in the scene it will be linked automatically, otherwise the connection has to be established manually.for the creation of foam or water-and-oil simulations: RealFlow | Cinema 4D supports interactions between different fluid, rigid, and elastic containers, e.g. Quick access to the "Solver" settings comes in handy when you work with Dyverso materials (granular, viscous, viscoelastic, rigid, elastic).For descriptions of these parameters follow the links. Furthermore you have direct access to the selected "Scene" tree's → " Solver", → " Cache", and → " Display" tabs.To link the "Fluid" node to a different scene tree dragging the appropriate "Scene" node to this field.In RealFlow | Cinema 4D it is possible to use multiple "Scene" trees in the same project: This is the place where the type of fluid/material is defined together with its properties.