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    [plugin] Structural analysis - SketchStruct: 30 Oct 12: v201

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    • T Offline
      target2427
      last edited by

      Hi

      Just a couple of questions about how you created the structure.

      When I run your file I get the same error, however, when I redraw the structure, the program runs fine.

      Did you first draw your structure with SketchStruct installed?

      and

      Did you draw the structure manually, line by line?

      Thanks

      Tom

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      • G Offline
        glro
        last edited by

        @target2427 said:

        Did you first draw your structure with SketchStruct installed?

        and

        Did you draw the structure manually, line by line?

        Yes to the first question

        No to the second

        I had it drawn automatically by another plugin i am working on, that makes a model of a scaffolding

        From this model, i kept only the axis line and applied to it loads, supports, material and geometric values.

        I didn't guess it would make a difference with a structure drawn from scratch


        file 1

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        • T Offline
          target2427
          last edited by

          Ok, it looks like the two plugins are incompatible at the moment. SketchStruct uses a couple of minor functions for numbering the edges, this is done as the lines are drawn by the user.

          This is a simple function which probably be included in your plugin to allow the two plugins to work together.

          If you want more info on how the numbering works, I will be happy to help.

          Tom

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          • G Offline
            glro
            last edited by

            @target2427 said:

            Ok, it looks like the two plugins are incompatible at the moment. SketchStruct uses a couple of minor functions for numbering the edges, this is done as the lines are drawn by the user.

            This is a simple function which probably be included in your plugin to allow the two plugins to work together.

            If you want more info on how the numbering works, I will be happy to help.

            Tom

            The plugin i am working on doesn't use any numbering for edges; it is probably done automatically by sketchup

            It seems to me that it would be an enhancement for your plugin to be able to number edges of an existing drawing; this way the user could store models and re-use them

            Anyway, this is how usual structural analysis softwares work

            Thank you for your answer

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            • T Offline
              target2427
              last edited by

              I did attempt to achieve this with the automatic Sketchup numbering, however, I had problems as Sketchup does not save these consistently. i.e. the IDs would change between sessions after saving and loading.

              Hopefully I can find a way to achieve this with the sketchup numbering. I will try to look for a way to include this in the next version.

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              • jarynzlesaJ Offline
                jarynzlesa
                last edited by

                it seems to be a very nice and useful pluging, but I can not set supports and load. don't know why. 😢

                http://www.vizualizaceschodiste.mypage.cz/

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                • J Offline
                  Jim
                  last edited by

                  Tom, this plugin is interfering with normal behavior of SketchUp[1].

                  I had a quick look at some of the code and there's a lot to go over. In the meantime, I recommend users of this plugin disable it in the Extensions dialog when not in use.

                  [1] http://sketchucation.com/forums/viewtopic.php?f=180&t=49507

                  Hi

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                  • T Offline
                    target2427
                    last edited by

                    @jim said:

                    Tom, this plugin is interfering with normal behavior of SketchUp[1].

                    I had a quick look at some of the code and there's a lot to go over. In the meantime, I recommend users of this plugin disable it in the Extensions dialog when not in use.

                    [1] http://sketchucation.com/forums/viewtopic.php?f=180&t=49507

                    I am aware of this and will try to fix this for the next version. Sometimes errors pop up in the Ruby console when drawing lines indirectly (squares, arcs...).

                    I apologise for the errors, but it is something being worked on

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                    • irwanwrI Offline
                      irwanwr
                      last edited by

                      This plugin should be awesome. And may become another very good reason to tell my brother to learn SketchUp and not just CAD 😄
                      I hope all bugs could be fixed and works as it should be.

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                      • T Offline
                        target2427
                        last edited by

                        Hi all

                        Just thought I should give you an update on the current progress. At the moment I am working on a Mesh analysis plugin (2d currently). The analysis itself is working fine, however when using very refined meshes (i.e. 100 elements), Sketchup pretty much crashes on my computer. To resolve this, I am also working on a Sparse Matrix library for Ruby. The idea of this is to reduce the time of calculations by only storing non-zero entities. On this, I have got matrix multiplication and addition working, however the more complex task of solving sets of simultaneous equations is not yet complete. I will not be releasing this plugin until I can get this working effectively.

                        My next semester at uni is now starting, so progress may be slow on this.

                        Cheers

                        Tom

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                        • M Offline
                          markitekt
                          last edited by

                          Great Plugin. Any chance for English units in the future?

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                          • T Offline
                            target2427
                            last edited by

                            @markitekt said:

                            Great Plugin. Any chance for English units in the future?

                            I do plan to implement American Imperial units in the future, however it is not a high priority so may be a while before you see this. For now, you should be able to enter everything any units as long as they are consistent (ignoring the suggested units).

                            For example, if you enter a beam 140" long, you could enter Youngs modulus, E as 29 (10^6) psi, as long as you enter your loads in pound force.

                            Just remember to use consistent units everywhere.

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                            • N Offline
                              neo83_gr
                              last edited by

                              _

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