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Topic review (newest first)

1 Post by Amirhossein

I want to model a beam with UHPFRC concrete using the user-defined material (2.2.4 I want to use the user-defined stress-strain law of concrete to replace that used in ATENA program. How can I do it?) in ATENA’s troubleshooting section, following the tutorial. I have a few questions:

1. According to ATENA’s troubleshooting instructions, do I only need to apply the tensile part from the Excel file(http://www.cervenka.cz/assets/downloads/Atena/HordijkUser.xls .)? Is there no need to make any changes in the compressive tab or Tensile strength reduction tab?

2. In Excel (http://www.cervenka.cz/assets/downloads/Atena/HordijkUser.xls .), do I need to enter the strain column myself according to the uniaxial tensile stress–strain curve?

3. In the diagram I will attach, the uniaxial tensile stress–strain curve has three phases — linear, strain hardening, and strain softening. How should I enter this into Excel(http://www.cervenka.cz/assets/downloads/Atena/HordijkUser.xls .), and how should I model it overall?

I would appreciate answers in the same order as my questions. Thank you very much.