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Luka Stefanovic

Vectorworks, Inc Employee
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About Luka Stefanovic

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    Architecture Industry Specialist
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    United Kingdom

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  1. For structural framing I'd recommend using Structural Member tool. =LENGTH will give you the length of the member and you can use =CONCAT('StructuralMember'.'ProfileShape', ' ', 'StructuralMember'.'ProfileSeries', ' ', 'StructuralMember'.'ProfileSize') type of formula to concatenate the profile shape to show 'Wide Flange BSI (Universal Beams) 203 x 102 x 23' for steel profiles for example.
  2. To be perfectly honest @jmanganelli, I'm not sure. I'm not very familiar with either of the two standards, only PassivHaus. I don't know the requirements of LEED reports, it may be that there is no such value like the ones Energos results produce to compare against in those standards. We have set about to find out this with a case study one of my colleagues at Vectorworks is doing and will share those findings.
  3. I think you are spot on there @gester Energos really is a designed energy evaluation tool that taps into the architectural design process. It's not intended for energy certification and there are other software, often mandated, doing that job. Benefit of something like Energos is that you know where you stand before that certification process because you can check the building performance and how design changes affect overall results. Thanks for sharing the energy certificate document, very interesting to see the format.
  4. @line-weight you can see and edit the parameters such as SHGC, Thermal Bridge for glazing edges, Air leakage etc in Frame and Glazing settings list under Energos tab of Door and Window Styles. This is what the U-Value calculations are based on
  5. Hi @line-weight On the subject of workflows, I'd echo Mark and say it's up to you to work however you feel is best for your projects, there is no perfect one. You can add custom modelled geometry to Energos calculations - have a look at this thread : You can also use Symbol as Window object definition, add custom modelled geometry to Walls using Wall Projection etc... Q1 - Energos does take that into account in the calculation. You can test that by adding muntins or mullions to a Window and seeing the U-Value change. Multiple muntins/mullions are not necessarily poorer, it depends on the performance of the frame. Try choosing from defaults a Passivhaus frame and metal with no thermal break and see the difference. Q2 - Spaces don't need to have cuboidal shape. Under AEC/Space Planning there is a command to Fit Top/Bottom of Space to Objects and it will take the shape of a Slab, 3D poly or a NURBS curve. It will then report a correct volume based on what you modelled Q3 - That depends on how you build your model - Energos won't assume anything you don't tell it. You can model an insulated ceiling that is included in the calculations and assign Boundary Type as Slab at Unheated Attic Space Above. Have a look at the webinar I did recently, there are some explanations in there too: https://university.vectorworks.net/mod/scorm/player.php?a=351&currentorg=articulate_rise&scoid=702 Finally, for Building Regulation, I agree with Mark -Energos is not intended as a replacement for SAP or other paid for tools that do Energy Performance Certification (certification being the key word here). I think if accepted for what it is, a very useful and in-depth energy performance evaluation tool to accompany your architectural design process from the very beginning, then it has a real value to Architects and gives them power to make informed design decisions at every step in that process do they can create truly sustainable and energy efficient architecture.
  6. Thanks @Mark Stephens for pitching in on the thread and sharing your thoughts on Energos. It's a very good seminar, I would definitely recommend taking some time out to watch it, there is much to learn on Passivhaus design and Energos. Luka
  7. That's odd, for me it appears automatically and I don't have ti add anything in order to save an IFC file. As far as I know it's always been like that and I haven't heard about this kind of issue. Let me check whether there is a setting that might control this and get back to you.
  8. @Mitchell (the other one) I would recommend using Door Styles as they would represent a type of Door with exact same parameters that would be used throughout the project - ie bathroom door, bedroom door etc. In my opinion, symbols come in handy in case of bespoke/custom Door geometry that can't be achieved with the Door tool (ie doors on a church with intricate detailing and gothic arches). In that case, you would model it, save as a Symbol and use that instead. You would lose parametric control over things like Use Wall Depth like you say, but that's why I would only resort to Symbols if I can't achieve what I want with the Door tool.
  9. @matteoluigi When you go to export IFC project you can choose the file format with a choice between .ifc, .ifc (zipped) or .ifcxml and when you click Export button it will automatically add .ifc (or other as chosen) extension to the file name in the Save As... field. Just make sure you don't delete the extension if you are changing the file name and it should be OK.
  10. ThermalTransmittance is the way to go with this - you can map the Style U-Value in Data Manager. Have a look at default settings for Walls under ifcWallStandardCase Pset_WallCommon as Pat mentioned. You can use the same analogy and map U-Values for Slabs, Doors, Windows - any object that has a Style and a U-Value. You can then use this data as display criteria for Data Visualisation, but remember you can only display one criteria per viewport, so Slabs would need to be separate from Walls for example. Perhaps you can overlap viewports but not sure how that would look like. See attached an example showing Data visualisation of Slabs by U-Value
  11. Depending on your requirements, if you want some more detailed calculations you can attach Energos Window Record Format to the Rooflight Symbol, and you can use the Window object before converting to group to extract the values to populate the Record Format so the Energos calculations will be more precise in that respect
  12. Hi @drelARCH Good to see the issue being solved, thanks @Nikolay Zhelyazkov Can I just suggest a workflow to this - I would create the Rooflight using Window tool (as close as you can get to what you're trying to achieve), then Convert to Group and create 3D Symbol. You can then access this Symbol through Resource Manager and attach a Record to the Symbol definition, and Edit Values so you can actually input U-Value and other fields in that Record Format so when you insert the Symbol they will be populated automatically.
  13. @Kazemester Finally! Great to hear that and glad we solved it. Have fun with exploring Data Manager workflows
  14. @Kazemester Hard to say what's going wrong without seeing the files. One thing that comes to mind is that mapping in Data Manager is for Class based objects, so when you create Extrudes using Modify by Record they will be created on active Class. If that is not the same as the Class you mapped data to, it won't work. If it still doesn't come through, try mapping in the Data Manager after you've extruded the Polygons making sure the objects are on correct classes, perhaps that will do the trick. Let me know if you manage to do it. Good luck!
  15. @Kazemester sorry about late response. See the attached video - is that what you are looking for? Hope it helps and the video is clear. Let me know if you have further problems in getting the Ifc data across. Screen Recording_Mapping Record Format data to custom Ifc pset.mov

 

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