First of all I'm sorry for being long, but I'm really lost in ABAQUS and I really need Help.
I'm working on a parametric study of (simply supported/continuous) concrete beams, (with/without) reinforcement, (with/without) intentional notch at different locations and different notch/depth ratios.
I did my research about representing my case and I found so many approaches to represent the concrete and its failure:
1.discrete crack model
2.smeared crack model
3.Cohesive surface model
4.XFEM model
5.Concrete Damage Plasticity Model.
I feel that I'm mixing things up and I need guidance, thus I'm asking what are the difference between those approaches? and which should I use or not to use and how can I find each approach option within abaqus? PLEASE HELP ME.
For something as broad as this I would recommend going through the relevant sections of the ABAQUS user guide to see the capabilities and limitations of each and how to implement them.
http://ivt-abaqusdoc.ivt.ntnu.no:2080/v6.14/books/usi/default.htm
A detailed description for each model is available in Abaqus documentation. Also comparison between models could be found in some publications.
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