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  1. ECStruct

    Warping torsion, *.PRO files, Material nonlinearity, API

    Answers: 1) No. Unfortunately SAP2000 doesn't consider torsion in the design of steel profiles. Incredible, but true! (Risa3d, Strap or Staad does) 2)yes. It´s possible. You have to contact CSI and try to get the MS Excel program that generate the '.pro' files. 3) yes. You can account for the...
  2. ECStruct

    ETABS exercises

    Go to the Support (Download or Watch and Learn) area inside the CSI site. You´ll find many tutorials there. site: http://www.csiberkeley.com/ Regards Ecstruct
  3. ECStruct

    SAP2000 - nonlinear static analysis

    Hi folks, SAP2000 V9 I´m trying to do a nonlinear static analysis with P-Delta (no material nonlinearity yet). I need some help. During analysis and in the '.log' file SAP2k V9 presents some information not reported or explained in the manuals. Here they are (resumed to show only the...
  4. ECStruct

    Frequency Analysis

    I can help you. But, please, go strait to the point. What analysis are You tring to do? Extract the natural vibration modes? Steady State analysis? PSD? Spectrum analysis? You´ve to be more especific. Thanks ECStruct
  5. ECStruct

    SAP2k Pushover and Tension Only elements

    Hi friends, Let me ask for help in two simple topics. You will see I'm on the first steps of SAP2k learning curve : 1) I want to learn how to use the compression limit command in SAP 2000 8.3. I'm running a simple model analysis and want to make the bracing system acting like tension-only...
  6. ECStruct

    Hi. How can I define de beams le

    Hi. How can I define de beams lengths in SAP2k steel posprocessing? Or: does SAP calculate the members stresses along the real span (say: truss longitudinal elements) automaticaly? or only at sub-spans? Thanks in advance and sorry the poor english! MCERQ.
  7. ECStruct

    Elastic Foundation - slab

    Hi. I would like to create a model of a slab on elastic foundation. Does anyone knows how to do it using ANSYS? Is the "EFS" propertie of the elements the way? (I used shell63) I tried to do with de EFS and without displacement boundary conditions. It wasn´t a sucessuful way. How do...
  8. ECStruct

    Structura Spreadsheets

    Hi, I'm looking for freeware softwares or spreadsheets containing routines of design of steel sections with AISI or AISC (structural engineering). Does anyone knows where I can find any of these softs? Thanks in advance. Mcerq.
  9. ECStruct

    Freeware

    Hi, I'm looking for freeware softwares or spreadsheets containing routines of design of steel sections with AISI or AISC (structural engineering). Does anyone knows where I can find some of these softs? Thanks in advance. Mcerq.
  10. ECStruct

    Hi, About the steel postprocesso

    Hi, About the steel postprocessor: 1) Can GTSTRUDL design cold formed steel sections? 2) Does anyone here did any verification of the results of the steel postprocessor? Any bugs to report? Thanks in advance! MCerq.
  11. ECStruct

    Hi, About the postprocessor:

    Hi, About the postprocessor: 1) Can STAAD.PRO design cold formed steel sections? 2) Does anyone here did any verification of the results of the steel postprocessor? Any bugs to report? Thanks in advance! M.
  12. ECStruct

    Cold Formed

    Hi, About the SAP2000 steel postprocessor: 1) Can SAP2000 design cold formed steel sections? 2) Does anyone here did any verification of the results of the steel postprocessor? Any bugs to report? I used a soft that has a lot o bugs in the steel postprocessor. Humm... one more: Is SAFE a...
  13. ECStruct

    Export model

    Hi! I'm trying to export a model to a CAD program, like AutoCAD. Does anyone knows how to do this with ANSYS. Thanks in advance. Cerque.
  14. ECStruct

    Modal analysis and mass input

    Hi, Staad is new to me. How to do extraction of modal parameters, like frequencies, modal mass and modal participation factors in Staad? How to input a mass value at a node? Thanks very much, in advance. mcerq
  15. ECStruct

    Looking for good text concerning modeling in FEA

    Hi All, Can anyone help me to find a good text concerning modeling/analising structures with the FEA? (Sorry my POOR english) Thanks. M.
  16. ECStruct

    2 questions

    Thank You very much. M.
  17. ECStruct

    2 questions

    Hi. I have tow basic questions and I hope someone could help me. 1) What's the best way to simulate higher axial stiffness of the columns of a frame? - If I use the "rod constraint", the axial results will be output as zero. - Using a modfication factor to mutiply the cross sectional...

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