Simulating 2D pure shear/strain without rigid body rotation

- April 23, 2020 at 4:49 pm
  
  ystein
  Subscriber
  
  Hi All,
  
  Problem: I would like to model something similar to this image below (Rahimi & Eivani, 2015), where the initial shape is a square (blue) and I would like to pull the corners (vertexes) and allow a rhombic deformation to occur at constant area (red and green shapes on the figure). This means I need to lengthen/stretch the 4 edges and understand this requires dynamic meshing. What is the best approach to doing this?
  
  Is there a way to lead by displacing the corner nodes linearly where other nodes of the same face/edge follow?
  
  I am able to name the vertexes in geometry, but when I use FLUENT I cannot control their movement. My original idea was to move the vertexes and set the edges to be "deforming" type dynamic mesh zones to allow lengthening.
  
  Any suggestions would be helpful and welcome.
  
  Thanks!
  
  Summer