Adding new layer remapping capaiblity to MeshExtruder

[permcody]

closes #3554

[YaqiWang]

Thanks Cody! This will be really useful to us. A question, can we assign the size of each individual layer?

[permcody]

no, that would require another modification at the libmesh level.

[YaqiWang]

Oh. Will that be too complicated? That will be a useful feature as well. Sorry for not mentioning it earlier.

[permcody]

Not complicated but you won't get it until at least the next update. You can always subdivide your regions and create more elements/layers to make your mesh... Maybe that's not feasible for what you want to do.

[YaqiWang]

Yes, we need it more general and can wait for the next libmesh update. This is already very good for us to try out. We can make num_layers parameter as a vector of real numbers. How do we control the size currently? I did not see a parameter doing it.

[permcody]

The element size is always "length" of extrusion vector divided by num
layers currently.
On Fri, Aug 28, 2015 at 3:09 PM Yaqi notifications@github.com wrote:

Yes, we need it more general and can wait for the next libmesh update.
This is already very good for us to try out. We can make num_layers
parameter as a vector of real numbers. How do we control the size
currently? I did not see a parameter doing it.

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#5634 (comment).

[YaqiWang]

I see. I thought that is a unit vector.