• compression length according to D5.C.6

    Hello everyone! Im using eurocode to try to design for buckling and are wondering what the Compression length is, Ly, for example, is that the unsupported length for the actual member in the y-axis? Best regards, MrTb2arvd

  • What is the correct interpretation of the buckling eigen analysis?

    I am trying to figure out how to apply buckling eigen analysis and interpreting the solution with the structure shown below with 1 kN load applied on all 4 columns in one load case. 1. The result is shown below. Should the STAAD result be interpreted…

  • BUCKLING ANALYSIS ON A CONCRETE COLUMN

    Hi, Is it possible to perform a buckling analysis on a concrete column in STAAD pro? If so, how is it done? Thanks in advance! Ignacio

  • BUCKLING CHECK ANALYSIS

    Can anyone help me to solve this problem. After I run the analysis, no buckling factor is found. *** WARNING: Arnoldi-Lanczos (ARPACK) solver failed! Buckling factor is approaching zero, check model for instabilities _ _ *** WARNING: NO BUCKLING…

  • Buckling factors for many load cases with buckling factore separated

    How can I restrict STAAD.Pro to carry out buckling analysis to have Buckling factors for two different load cases, and get to know Buckling factors of each load case separated?!? So if I have 10 load cases and I need to know the Bucking factor for 3…

  • Service Request #7000980517 on day 27 with no response.

    Ive escalated the priority and Ive requested and update over 5 times. Can I please get some sort of response on my service request. PLEASE.

  • something is wrong in Buckling analysis for cantilever column

    I am trying to check Bucking analysis results, so I modeled cantilever steel column with cross section I add to the Indian section library called “100CU82x2.7”, and I performed buckling analysis. I add the section as a new raw in the Indian section table…

  • RE: Buckling Analysis in Staad

    You DO NOT need a PDELTA analysis before the BUCKLING ANALYSIS command. These are unrelated analysis types and should NOT be used together. The buckling factors would be printed as part of the analysis output file (ANL file) for each case and you do not…

  • RE: i am not getting the buckling page in post processing

    Hi Senthil, There are two files which are included in Examp folder, one with advanced and other with basic solver. If you go through the input file for both cases, you will find that SET STAR command is included as an override from default. The complete…

  • RE: Buckling analysis

    Hi Usman, If you want Buckling modes and factors to be displayed in post processing mode, then you need use Advanced Analysis Engine (which is separately licensed). In this case Advanced Buckling analysis will be performed and you can get the results…

  • RE: PLATE GIRDER PROPERTIES

    Hi, Sorry to be pain again. I am intending to "buckling analysis" for this bridge. Would you think this model (attached .std file in earlier post) is okay for Eigen value analysis / buckling analysis using basic solver? If no, How do you suggest me…

  • RE: PLATE GIRDER PROPERTIES

    For carrying out a buckling analysis for the load case you have defined, you need to replace the PERFORM ANALYSIS command by the buckling analysis command PERFORM BUCKLING ANALYSIS MAXSTEP 15. Also noted that in your user table definitions you defined…

  • RE: column imperfection buckling check

    Since you need to know the buckling load, you simply need to do a buckling analysis. From the imperfection load you defined, it seems like you want to check for an out of plumbness of 32.1/200 m = 0.1605m. You can either apply this as an equivalent lateral…

  • RE: Buckling Analysis

    There are couple of options that be exercised to account for large and small delta effects. First option is to account for the additional secondary loads that get generated due to these large and small pdelta effects and to add these additional secondary…

  • RE: Frame buckling analysis _issues

    I asked one of my colleagues who writes our finite element analysis engines, he mentioned the following: ...the buckling analysis in the program is a typical "linear buckling solution" in which stiffness matrix "K" and geometric stiffness matrix "Kg…

  • StaadPro: Buckling Factor but which load is it?

    Hi I have run a Buckling Analysis to establish the elastic critical load factor of my structure. I have found the Buckling Factor for first 4 buckling modes, fine. But I have many loads and don't know under which load I get the first buckling mode and…

  • can i able to do the buckling analysis of flat plate under compression load with other two edges simply supported using plate elements?

    can i able to do the buckling analysis of flat plate under compression load with other two edges simply supported using plate elements?

  • BUCKLING CHECK ANALYSIS-STAAD PRO

    Please help me..i m still newly user with this software..and i m already out of idea how to solve it..can anyone help me how can i do my buckling analysis of my concrete tube length 36 meter and diameter size of my conc.tube is 600 mm.. when i m going…

  • Buckling factor and Mode shapes

    Sir, After Buckling analysis we get Mode shapes and Buckling factor. How to arrive at the critical load Pcr from the shape and factor? T.RangaRajan
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