Computing gradient on both the reference and deformed configuration in the same kernel

[TheGreatCid]

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Question

Hi all,

Is it possible to a compute a gradient on the reference and on the deformed configuration in the same kernel?
For example, if I set use_displaced_mesh=false I want to compute a gradient on the reference configuration, and then I want to switch to computing a separate gradient on the displaced configuration.

I normally compute gradients by just declaring a adcoupledgradient type, however I don't believe there is a way to specify the configuration in the declaration.

Any insight is appreciated, thank you.

[maxnezdyur]

Let's say you create a material class that computes the gradient. If in your input file you have two of these objects: one that has the use_displaced_mesh=false and the other true. Then you would have two materials that store the gradient information one for deformed and another for undeformed. From there you should be able to couple them into a kernel and perform any actions needed.

[TheGreatCid]

Yea that's what I settled on. I just wanted to avoid having to do that because I am lazy.
Thanks!