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How to renumber nodes for infinite elements? - abaqus interface

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The purpose is to define specific infinite directions for elements using Abaqus as a solver. From the Abaqus manual, the infinite elements should have an origin pole and the first-second nodes pointing indicates the infinite direction. If I would like to achieve infinite directions as follows, how should I modify the node numbers in Hypermesh?

This is a 2D model and I am going to use CINPE4(4-nodes 2D elements).

I referred to this method too but I am confused by what should be the order of numbering.

https://connect.altair.com/CP/SA/training/self_paced/aero_v13/PDF/chapter11_2_demonstration.pdf

image.png.e74578c9ca89fc4269720eb18efefaff.png

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Look like you are saying about orientation

Try enter pull-down menu Tools>Orientation Review

change to tab "Orientation", select elems, 

change "function" to "Align N1-N2 dir"

then select an appropriate method to do

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11 hours ago, tinh said:

Look like you are saying about orientation

Try enter pull-down menu Tools>Orientation Review

change to tab "Orientation", select elems, 

change "function" to "Align N1-N2 dir"

then select an appropriate method to do

 

Thanks! That's exactly what I want.

So according to the definition of Plan strain infinite elements, I should turn the orientation of Y to the supposed infinite direction?

Besides, is there any advice for better aligning the direction when creating the mesh?

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