OpenStudio

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  1. Allow gem use in CLI

    Allow use of gems in CLI and OS Server. Should be able to specify a gemfile or something to control which gems are used for a given workflow, maybe allow measures to specify their own gems and then bundle at the OSW level.

    6 votes
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    3 comments  ·  Measures  ·  Admin →
  2. PAT for Ubuntu

    If you want to take advantage of the multicore feature of the Radiance measure (Linux) AND use the PAT (Windows and Mac), that's not possible now because there's no common platform.

    It is possible if you set up a Linux server but that can be a daunting task.

    Not pushing for Radiance multicore capability on Windows because Linux has other (speed) advantages and for users like me who do thousands of runs, shaving speed everywhere you can is very desirable.

    2 votes
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    0 comments  ·  PAT  ·  Admin →
  3. Allow user to edit input fields for Ideal Loads Air System

    Ideal Air Loads is a powerful design tool to determine appropriate sensible and latent capacities to apply when simulating a system with defined energy model components. In the OS App, there is a check box to "Turn On Ideal Air Loads" for each Thermal Zone. After clicking this box, the respective ZoneHVAC:IdealLoadsAirSystem EnergyPlus object is created. However, all input fields for this object are left to the EnergyPlus defaults defined in the EnergyPlus IDD. This can be very limiting, such as when a user wants to apply Ideal Air Loads for humidification and dehumidification RH setpoints. Default dehumidification control is…

    1 vote
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    0 comments  ·  OS App  ·  Admin →
  4. add ChillerConstantCOP to API and/or GUI

    The ChillerConstantCOP object is useful for early design when part load performance is unknown and for LEED projects using district energy that fall under the DES Guidance.

    Unlike the boiler models, the currently available ChillerElectricEIR object cannot be forced to have a constant COP by adjusting the curve coefficients.

    1 vote
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    0 comments  ·  Code  ·  Admin →
  5. The application runtime, especially when opening the surfaces or subsurfaces tab, as well as the Sketchup plugin is really slow

    The application runtime, especially when opening the surfaces or subsurfaces tab, as well as the Sketchup plugin is really slow. Working with bigger models is currently impossible. A general speedup of the user interface would be a really great improvement.

    1 vote
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    0 comments  ·  OS App  ·  Admin →
  6. Fully support Python bindings

    Python has a more developed set of scientific libraries than Ruby. Fully supporting the Python bindings and including them with the OpenStudio installation would allow the use of these libraries with the API.

    5 votes
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    0 comments  ·  Code  ·  Admin →
  7. Documentation

    Website tab for documentation is not up to date. Link to users guide or something that is updated frequently. Need to know if we can now create geometry, generate Title 24 and LEED documentation, to name a few items

    2 votes
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  8. Use FreeCAD (open-cascade) for the modeling (Sketchup is not free).

    Use FreeCAD (open-cascade) for the modeling (Sketchup is not free).
    Have a look at the work done on the Arch-Bench..
    http://www.freecadweb.org/wiki/index.php?title=Arch_Module

    3 votes
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    1 comment  ·  Code  ·  Admin →
  9. add and/or reorganize OSApp Library OSMs by standard

    Problem: Models will often use space types from multiple building types but only one standard, which requires the user to load multiple library OSMs then find the objects for the specific standard (e.g. 90.1-2007).

    Rationale: It would be easier to instead load a library OSM that had all the objects for a specific standard.

    Solution: Add and/or reorganize the building type OSM library by standard.

    Pros and Cons of Solution:
    + may be easier for users
    - may be obsolete if OS deprecates the use of File > Load Library

    2 votes
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    0 comments  ·  OS App  ·  Admin →
  10. Add ZoneHVAC:CoolingPanel:RadiantConvective:Water to OpenStudio

    Please implement ZoneHVAC:CoolingPanel:RadiantConvective:Water (new to EnergyPlus 8.6) into OpenStudio. This object approximates a chilled sail or chilled ceiling panel, a technology that is becoming increasingly common in commercial buildings.

    6 votes
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    0 comments  ·  Code  ·  Admin →
  11. Publish an upgrade timetable for the SketchUp versions

    Publishing an upgrade timetable for the SketchUp versions would enable us to plan a corporate (University student lab) installation of Sketchup. At present, looking ahead for maximum compatibility over the next semester with Student downloads, we install the latest version of SketchUp; however, the latest version of OpenStudio is incompatible with this version of the SketchUp program. If we knew the timetable for compatibility changes for SketchUp we could manage our installation plan for the image for 600+ computers - perhaps delaying the installation of the newer version of sketchup or waiting to finalise the image if the newer version…

    1 vote
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    0 comments  ·  SketchUp  ·  Admin →
  12. Built-In Air-Cooled Chiller Curve Incorrect

    At some point in recent versions, an air-cooled chiller object was built into the HVAC library. The issue is, one of the curves that's attached to that chiller causes the energy usage of the chiller to increase as the load on the chiller decreases. Seems like someone must have just grabbed the wrong curve when making that change.

    I don't think it's important specifically what curve is used, but the curve should at least be representative of the general behavior of a chiller. I'm attaching a chart comparing the value of this curve to a couple of other standard curves.…

    6 votes
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    1 comment  ·  OS App  ·  Admin →
  13. Improve drag and drop response time in OpenStudio

    When dragging and dropping model or library elements into an OpenStudio section (e.g. dropping a thermal zone into an air loop), the app takes several seconds to register before it allows further input. It makes the App annoying to use at times. Faster response (<0.25s) would improve usability.

    10 votes
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    1 comment  ·  OS App  ·  Admin →
  14. Add SwimmingPool:Indoor to OpenStudio App

    Add the EnergyPlus SwimmingPool:Indoor object into the OpenStudio Application to allows users to more accurately model indoor pool loads including humidification.

    13 votes
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    0 comments  ·  OS App  ·  Admin →
  15. Support for baseline compliance models

    Problem: Performance energy models for code compliance or rating programs (T24 CBECC-COM, 90.1, LEED), require specific model inputs for a baseline and proposed model. Other simulation software on the market is able to build these baseline models, and generate standard compliance reports. Often, these simulation softwares are selected for projects, not because they are nicer to work with or have greater modeling capability, but simply because the can generate a baseline model and report with all the embedded rules. OpenStudio/EnergyPlus would get much greater adoption if it could provide this functionality.

    Solution: Add a component to the OS App to…

    9 votes
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    0 comments  ·  OS App  ·  Admin →
  16. Improve grid views performance for big models

    Working with real models with 400+ spaces and 4000+ surfaces would be really helpful from grid views. Surprisingly, they are very slow with such size. More filters could be useful as well

    8 votes
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    2 comments  ·  OS App  ·  Admin →
  17. Support for steam and steam-to-HW systems

    Steam is common in commercial and university campuses. Currently OS users have to use HW boilers/systems to approximate steam systems, which isn't accurate and reduces confidence in the energy model.

    https://unmethours.com/question/2688/steam-to-hw-loop-error-in-openstudio/

    8 votes
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    1 comment  ·  Code  ·  Admin →
  18. 1 vote
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    0 comments  ·  Cloud  ·  Admin →
  19. Custom zone and space grouping

    Problem: mass applying schedules, thermostats, space types, etc. to spaces and thermal zones requires selecting individual zones or using a regular expression filter using a measure. This can be time intensive, or require naming spaces/zones to match a filter.

    Solution: Allow creating custom zone or space groups, so one can mass apply schedules or objects to members of that group. Zones or spaces could be part of multiple groups.

    4 votes
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    0 comments  ·  OS App  ·  Admin →
  20. Allow quick access to failed runs on OpenStudio Cloud Console

    On the cloud console, it would be useful to be able to look at all failed runs as opposed to having to hunt for them among all completed simulations.

    1 vote
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    0 comments  ·  Cloud  ·  Admin →
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