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Contact Definition

- November 13, 2022 at 10:08 pm
  
  Selami Tunca
  Subscriber
  
  How can I define proper contact for 3-bending beam test in Ansys APDL ?
- November 14, 2022 at 12:02 am
  
  peteroznewman
  Subscriber
  
  I suggest you initially analyze 3-point bending of the sample without contact.
  - November 14, 2022 at 6:50 pm
    
    Selami Tunca
    Subscriber
    
    It does not work. Why should I analyze without contact?
- November 15, 2022 at 1:53 am
  
  peteroznewman
  Subscriber
  
  Analysis without contact is simpler to setup and get a solution.
- November 15, 2022 at 8:05 pm
  
  Selami Tunca
  Subscriber
  
  it is not possible to solve. I have rigid body motion error without contact.
- November 16, 2022 at 12:59 am
  
  peteroznewman
  Subscriber
  
  The sample length should be exactly equal to the distance between the support.
  You didn't show a coordinate system, so I will assume that the sample length is along the X axis, the Y axis is up and the sample width is along the Z axis.
  On the left end bottom edge of the sample, use a Displacement and set X, Y, Z to 0.
  On the right end bottom edge of the sample, set Y and Z displacements to 0.
  Now you have sufficient constraints and the system will solve if you apply a force to the row of nodes in the center on the sample on the top face.
- November 17, 2022 at 8:30 pm
  
  Selami Tunca
  Subscriber
  
  I will try. Thank you

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