RealFlow Smoke: Understanding Its Limitations

When it comes to creating realistic fluid simulations in RealFlow, smoke plays a crucial role. However, like any other feature, it's not without its limitations. In this article, we'll explore some of the known issues and bugs associated with using realflow smoke.

Isolation Value Growth

One common issue that users have reported is the growth of isolation value when linking multiple k Isolated daemons to the same fluid. According to RFCFD-551, this can lead to a significant increase in the isolation value, which can affect the overall performance and accuracy of your simulation.

Emitter ID Preservation

Another issue that's been identified is the loss of Emitter ID value when reopening a scene. According to RFCFD-522, this can result in unexpected behavior and inconsistencies in your simulations.

Motion Blur Limitations

RealFlow users have also reported issues with motion blur, particularly when working with meshes. According to RFCFD-501 and RFCFD-500, motion blur doesn't work with Maxwell Render and NVIDIA's Iray respectively.

Particle Render Instances

Additionally, users have reported that particle render instances are not recognized by NVIDIA's Iray (RFCFD-499).

Simulation Limitations

RealFlow simulations can also be affected by the limitations of the Point Cache tag. According to RFCFD-486, objects deformed with Rigid, Elastic, and Particle Skinner only support motion blur when using this tag.

Cardiovascular Disease Risks

Smoking is a well-known risk factor for cardiovascular disease, even among those who smoke fewer than five cigarettes a day. According to the Centers for Disease Control and Prevention (CDC), smoking causes stroke and coronary heart disease, which are leading causes of death in the United States.

RealFlow Simulation Steps Configuration

When opening RealFlow scenes created in version 1.0 in version 2.0 or higher, users have reported that the simulation steps configuration is reset to Auto mode (RFCFD-519).

File Paths and Unicode Characters

On macOS, file paths cannot contain unicode characters due to a known bug (RFCFD-358).

Mesh Fluid/Emitter Weight Vertex Map Computation

Another limitation of RealFlow is the computation of mesh fluid/emitter weight vertex maps, which is limited to a maximum amount of 10 vertices (RFCFD-580).

Initial State Files Compatibility

Users have also reported issues with compatibility between different versions of RealFlow. According to RFCFD-517, initial state files created in version 1.0 are not compatible with version 2.0 due to changes in the file format.

Array Tool Parameters Animation

Finally, users have reported that parameters cannot be animated for meshes using the Array Tool (RFCFD-351).

In conclusion, while RealFlow is a powerful tool for creating realistic fluid simulations, it's essential to understand its limitations and workarounds. By doing so, you can ensure that your simulations run smoothly and efficiently.

Realflow smoke