🚀[FEA]: Allow diagnostics to work with different grids

[NickGeneva]

Is this a new feature, an improvement, or a change to existing functionality?

Improvement

How would you describe the priority of this feature request

Medium

Please provide a clear description of problem you would like to solve.

Update diagnostics to allow movement between different grids. Right ow all models need to be the same.

Describe any alternatives you have considered

No response

[nbren12]

Not 100% clear what is meant by movement between grids.