[FLASH-USERS] co-rotating frames

[Michael Bajomo]

Google AI is terrible. I have found that Claude and OpenAI Codex are the best. They hallucinate too but are more honest and you can often cross check in literature if they have gone mad. 


> On 6 Aug 2026, at 02:47, Sylvain Turcotte <sturcott at ubishops.ca> wrote:
> 
> 
> Hello everyone,
> 
> I was looking around to see if anyone used flash with a co-rotating frame and google AI hallucinated the following lines to include in a flash.par file: 
> 
> # Example parameter settings for a rotating binary system
> useGravity          = .true.
> useRotationalFrame  = .true.       # Activates the rotating frame source modules
> 
> # Define the constant angular velocity vector (e.g., rotation around Z-axis)
> omega_x             = 0.0
> omega_y             = 0.0
> omega_z             = 1.25e-3      # Rad/sec based on the system's orbital period
> 
> # Center of rotation (usually the center of mass of the grid/system)
> xCenterRotation     = 0.0
> yCenterRotation     = 0.0
> zCenterRotation     = 0.0
> 
> I have not found anything related to these in the documentation. Is google AI anywhere close to something that actually exists?
> 
> Best,
> Sylvain
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