The slave entities of two contact definitions share nodes. If there is not the same entity assigned as slave, this might be caused by shared edges.
The simulation stopped due to multiple contact definition sharing slave nodes.
What could be the possible reason?
This error occurred due to the shared nodes between two slave surfaces in multiple physical contact assignment. For example, if two faces of a solid sharing nodes with each other needs to be assigned for the physical contact with another solid face(s), than defining these two faces as slave entity will lead to this error.
What can I do now?
In order to get rid of this error, try to assign one face as master and the other as slave. The detailed explanation below further elaborate this problem:
Let’s consider a case where we have 4 solids in contact with each other as shown in figure below.
For each solid, two perpendicular faces are in contact which share nodes. Now for example, if we want to define contact of solid 2 with 1 and 4, than assigning the two faces of solid 2 as slave will lead to this error since these faces share nodes. These faces of solid 2 are shown in figure below (highlighted in red):
The solution of this problem is quite simple, we can define either the top or left face of solid 2 as slave and other as master. We can than follow the same procedure for other solids making sure that master surface of one solid is in contact with the slave surface of the other.
If none of the above suggestions did solve your problem, then please post the issue on our forum or contact us.
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