Hello, I am working on steel concrete composite columns and I have seen in many published articles that researchers have reported that Abaqus is able to separate the contributions of different component of composite columns e.g. reinforcement, structural steel and concrete etc. However, I could not find any details about how to obtain the individual contribution of these components i.e. steel and concrete. I have tried to search in the documentation and on many online forums but could not find any answers. I have tried defining separate output field request for defined sets “steel” and “concrete” but could not find way to get the intended output. Moreover, I have tried constraining (MPC) the steel and concrete to two reference points and getting the reactions from those, that serves the purpose but there are too many warning messages which imply that this method is not optimum solution. Any help explaining the details about how to obtain the individual contribution of different components in composite columns would be much appreciated. Thanks.
Hi first you understand the role of steel and concrete in your problem, then, you define whether these two components are connected ..if these two are connected then how to simulate the connection b/w these two elements. In abaqus there is an element called contact element, which is used for simulating the behaviour at the interface b/w two elements (your case steel and concrete element)..to find out the contribution of individual elements in a composite system, you have to study the stress distribution over the steel or concrete elements due to applied load on the composite structure. You identify the location points (it is nodal point in FEM) in which steel or concrete elements are simulated during the initial mesh generation stage. once identify the elements then easy to read output results in terms of table available after completion of the analysis..
I recommend you to first simulate the tutorial problem given in the ABAQUS software manual . Try to learn all your requirements via simulating the tutorial problem then, you simulate your problem after familiarise the software.. ok all the best in your research work..
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