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It's not easy to do like a lot of other software.
First of all you have to define your "non linear hinges" and apply it in the beams (and also in the columns). To define a non linear hinge you have to know the real reinfotcement of the beam in that place and know the real material property ( stell and concrete stress limit, evaluated by tests on site, as required by cap. 8.4 of the italian NTC2008). To build your own non linear hinge you can make an excel spreadsheet or download the free software VCASLU of prof. Gelfi, define the section properties and built the curve to load in the non linear hinges definitions. You have to define one non linear hinge for each different beam present in the structure.
Once you define the model, you have to set the limit of the investigation point to stop the push over analysis. Usually is used one point in the roof top of the structure.
Now you can run the analysis and then build the capacity curve of your structure.
I suggest you, before run a push over analysis on a real structure, do an exercise model made by three stories and two spans in X and Y direction.
I'm creating my own excel spreadsheet to define non linear hinge and to calculate target displacement, for all the push over data required, according to NTC2008 and Eurocode, but it's more then one year that I've started and I've always less time to dedicate it. I'm sorry but I don't know when can I finish and share my spreadsheet.
I also read in the adsk IDEA STATION some suggestion to autodesk to improve the push over analysis, we hope for the future release.
Differently from many other software, where push over is all automatized, with robot you can really understand the difficult of this kind of analysis and the importance of the parameters that influence it.
You need to have a lot of patience
Good luck and let me know your steps.
PasProStudio
www.pasquiniprogetti.eu
Structural + Detailing engineers
First of all you have to define your "non linear hinges" and apply it in the beams (and also in the columns). To define a non linear hinge you have to know the real reinfotcement of the beam in that place and know the real material property ( stell and concrete stress limit, evaluated by tests on site, as required by cap. 8.4 of the italian NTC2008). To build your own non linear hinge you can make an excel spreadsheet or download the free software VCASLU of prof. Gelfi, define the section properties and built the curve to load in the non linear hinges definitions. You have to define one non linear hinge for each different beam present in the structure.
Once you define the model, you have to set the limit of the investigation point to stop the push over analysis. Usually is used one point in the roof top of the structure.
Now you can run the analysis and then build the capacity curve of your structure.
I suggest you, before run a push over analysis on a real structure, do an exercise model made by three stories and two spans in X and Y direction.
I'm creating my own excel spreadsheet to define non linear hinge and to calculate target displacement, for all the push over data required, according to NTC2008 and Eurocode, but it's more then one year that I've started and I've always less time to dedicate it. I'm sorry but I don't know when can I finish and share my spreadsheet.
I also read in the adsk IDEA STATION some suggestion to autodesk to improve the push over analysis, we hope for the future release.
Differently from many other software, where push over is all automatized, with robot you can really understand the difficult of this kind of analysis and the importance of the parameters that influence it.
You need to have a lot of patience
Good luck and let me know your steps.
PasProStudio
www.pasquiniprogetti.eu
Structural + Detailing engineers
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