the force is alway equal to zero for any nodes
the force is alway equal to zero for any nodes
(OP)
I don't know the reason that the force is equal to zero for any node. Of course, the job is success, and we can get displacement for any node. 
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RE: the force is alway equal to zero for any nodes
if so, are you plotting the correct component of reaction force?
RE: the force is alway equal to zero for any nodes
I simulated three point bending. Therefore, I applied a displacement/constraint at the reference point of the discrete rigid part not at node of the deformable part. Along with the deformation, there is no force value at any point of the deformable part. However, there is displacement value. Of course, at the reference point there is reaction force at the relevant component. But I want to get some load value at some nodes of the deformable part.
RE: the force is alway equal to zero for any nodes
Also define a history output request for each contact and request CFN or CTF for each. Then you can look at those curves after the analysis.
RE: the force is alway equal to zero for any nodes