[jackhero]

I am trying to simulate concrete material under three-point bending in Ansys Workbench 16.0. The concrete beam (unnotched) will be under displacement load at the center while as the both ends will be fixed. The design geometry is simple which I have already completed. I ran the simulation by using Concrete material from Engineering Data but the results are not as per expectation. Since concrete has no reinforcement so it should fracture after certain load. I searched on internet and found that better to use Solid65 for such fracture and cracking behavior. Could someone please guide me on the following queries;

1. How could I enter Solid65 in Ansys workbench? What I found out is to use APDL commands to replace any selected material with Solid65? Can someone please share APDL commands for Solid65 concrete? I saw one of the video in which the user replaced the structural steel with Solid65 but I could not really get the need of the stress strain data which was used in it.

2. Second simulation, will be similar to the first one but in this one there will be addition of polymeric fibers in the concrete beam. So in this case there will not be brittle fracture behavior of concrete. Instead there will be beam bending (ductility) and development and propagation of cracks on the beam surface. I think Solid65 will be suitable to use as concrete since it can have cracking behavior as well. But could someone suggest me how can I model fibers in to the concrete beam? I am having problem in modelling fibers random distribution within the concrete beam in Ansys Workbench.

3. For both simulations, I have experimental results and I would like to verify using Ansys simulation. Should there be any place where I shall enter all those experimental results in Ansys before running the simulations?

Thank you