Fluid is not working on large domains #80343

New Issue

Muhammad Farooqi · 2020-09-01T21:52:26+02:00

Muhammad Farooqi commented

2020-09-01 21:52:26 +02:00

System Information
Operating system: macOS Big Sur - Macbook Pro 15 2015-mid - Core i7.
Graphics card: Intel Iris Pro 1536 MB

Blender Version
Broken: 2.90 0330d1af29 2020-08-31 11:26 Master

Fluid simulation doesn't work if domain is in larger than 64x64x64m .

Exact steps for others to reproduce the error

Does work
Create a new file
Create a cube if deleted the default one. (Its current dimension are 2x2x2m) let's call it Small Cube
Don't scale it or do anything with it, Just press Shift+D (Duplicate it)
Scale the second cube, almost 10x (dimension are 20x20x20m) - let's call it Large Cube
Large Cube is selected -> Physics Properties -> Fluid -> (type: Domain) + (Domain Type: Liquid) + (Cache -> type: Modular)
Select the Small Cube -> Physics Properties -> Fluid -> (type: Flow) + (Flow Type: Liquid) + (Flow Behavior: Inflow).
Select Large Cube and hit -> Physics Properties -> Bake Date
It does simulate water.
Doesn't Work
Same set as above
Select the Large Cube and Scale it almost 32x (dimension are 64x64x64m)
Select the Large Cube and hit -> Physics Properties -> Bake Date
It does not simulate water.
Does Work
Select the Large Cube and Scale it almost 31x (dimension are 62x62x62m)
Select the Large Cube and hit -> Physics Properties -> Bake Date
It does simulate water.

TIP: You can also scaleup the particle size ... in Particle Properties -> Liquid -> (Viewport Display) size

Please find the attached fluid_issue.blend file. and simulate 3 different Fluid Setups with three scales 20x20x20m (Working) / 62x62x62m (Working) / 64x64x64m (Not working)

fluid_issue.blend

screenshot to match the view.
{F8830913 size=full}

**System Information** Operating system: macOS Big Sur - Macbook Pro 15 2015-mid - Core i7. Graphics card: Intel Iris Pro 1536 MB **Blender Version** Broken: 2.90 0330d1af29c0 2020-08-31 11:26 Master Fluid simulation doesn't work if domain is in larger than 64x64x64m . **Exact steps for others to reproduce the error** - **Does work** - Create a new file - Create a cube if deleted the default one. (Its current dimension are 2x2x2m) let's call it **Small Cube** - Don't scale it or do anything with it, Just press Shift+D (Duplicate it) - Scale the second cube, almost 10x (dimension are 20x20x20m) - let's call it **Large Cube** - **Large Cube** is selected -> Physics Properties -> Fluid -> (type: Domain) + (Domain Type: Liquid) + (Cache -> type: Modular) - Select the **Small Cube** -> Physics Properties -> Fluid -> (type: Flow) + (Flow Type: Liquid) + (Flow Behavior: Inflow). - Select **Large Cube** and hit -> Physics Properties -> Bake Date - It does simulate water. - **Doesn't Work** - Same set as above - Select the **Large Cube** and Scale it almost 32x (dimension are 64x64x64m) - Select the **Large Cube** and hit -> Physics Properties -> Bake Date - It does not simulate water. - **Does Work** - Select the **Large Cube** and Scale it almost 31x (dimension are 62x62x62m) - Select the **Large Cube** and hit -> Physics Properties -> Bake Date - It does simulate water. **TIP**: You can also scaleup the particle size ... in Particle Properties -> Liquid -> (Viewport Display) **size** Please find the attached fluid_issue.blend file. and simulate 3 different Fluid Setups with three scales 20x20x20m (Working) / 62x62x62m (Working) / 64x64x64m (Not working) [fluid_issue.blend](https://archive.blender.org/developer/F8830910/fluid_issue.blend) screenshot to match the view. {[F8830913](https://archive.blender.org/developer/F8830913/image.png) size=full}

Muhammad Farooqi commented

2020-09-01 21:52:26 +02:00

Added subscriber: @mfarooqi

Muhammad Farooqi commented

2020-09-02 19:57:46 +02:00

Changed status from 'Needs Triage' to: 'Resolved'

Muhammad Farooqi closed this issue

2020-09-02 19:57:46 +02:00

Muhammad Farooqi self-assigned this 2020-09-02 19:57:46 +02:00

Muhammad Farooqi commented

2020-09-02 19:57:46 +02:00

I'm sorry.. Please ignore this bug or issue. This was my fault.... the resolution division were limited to 32... I raised that and it started simulating now.

Sign in to join this conversation.

No Label

Download

What's New

Blender Studio

Manual

Developers Blog

Documentation

Benchmark

Blender Conference

Development Fund

One-time Donations

Fluid is not working on large domains #80343