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  1. ThisMustBeAJoke

    How to work properly with section cuts ?

    Hi, i have modelled a building that suffered severe torsional damage under effects of recent earthquakes. The model only consists shell elements so i am using section cuts (with grouping) for checking the torsional moments. But something is unclear for me. For getting a good measure from (let's...
  2. ThisMustBeAJoke

    ill conditions at steel portal

    Hello, been trying to design a portal, currently i am designing roof, while analyzing i am having this warning: "Load Case : Solving Linear Stiffness from Zero (unstressed) initial conditions THE STRUCTURE IS UNSTABLE OR ILL-CONDITIONED !!. CHECK THE STRUCTURE CAREFULLY FOR. TO OBTAIN FURTHER...
  3. ThisMustBeAJoke

    Torsional Moment

    Hello, I have a structure modelled with only shell elements. Is it possible to get torsional moment data? In some articles someopeople said S12 or S23? I couldn't find anything useful from CSI too. Please help, i looked at the manual for shell stresses but didn't understand anything except S22...
  4. ThisMustBeAJoke

    Building Displacement Shape

    Hello, why my model showing this kind of behaviour under dead + eqx combination , at the Y direction it's like a normal flex. But in X direction it's like this. Please help me, Thanks.https://files.engineering.com/getfile.aspx?folder=bcddd521-cdd2-4ea6-8abe-fe323f3a33ba&file=1.PNG
  5. ThisMustBeAJoke

    ETABS v18 API - Cannot attach python with etabs

    Hi , i imported comtypes.client and tried to start with: ETABSObject = comtypes.client.GetActiveObject("CSI.ETABS.API.ETABSObject") SapModel = ETABSObject.SapModel but i got OSError so searched and found these article thread802-455667 but unfortunatelly this didn't work too. The error were...

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