Dear all
As it can be seen in the figure, I have two thick-wall cylinders in which the inner cylinder is under incremental pressure. The outer cylinder is made by concrete and gets cracked after passing of a certain value of the incremental pressure. I can formulate the problem before cracking but I do not know how can I formulate it after cracking.
I would be happy to help me how can I solve the problem in cracking stage.
Best Regards.
Dear,
You can look for a suitable material model that will govern the behavior of your cylinder. Prerequisite is a suitable material model to be adopted.
I do not fully understand your question. However, if you know the properties of the inner cylinder and the cracked outer cylinder, you may be able to adapt the following model of layered wall pressure vessels to your problem: Layered-Wall Cylindrical Pressure Vessel download | SourceForge.net. To get strain in the cylinder walls due to internal pressure input negative pressure and disregard the critical bifurcation buckling pressure. Else the methodology may be helpful.
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