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2024-01-21 20:00:30 -0500 asked a question Description of Run Files from OpenStudio Application

Description of Run Files from OpenStudio Application I was wondering if any documentation existed that details the outpu

2024-01-19 10:05:15 -0500 commented question Can I define output variables in OpenStudio

To finish up my comment, if you want an output variable that's not available from E+, then I'm not sure you can extract

2024-01-19 10:03:24 -0500 commented question Can I define output variables in OpenStudio

Hi Pavan, this is not a direct answer, but it might help you to open the .RDD file located in the Run folder in the Open

2024-01-19 09:57:44 -0500 marked best answer How to Uninstall EnergyPlus

Simple question. Just installed EnergyPlus 23.2.0. Any specific procedure to completely uninstall EnergyPlus? Or just delete the whole directory containing EnergyPlus?

2024-01-19 09:57:18 -0500 commented answer How to Uninstall EnergyPlus

Thanks, I'm sorry for the dumb questions, but I really do appreciate the help. I was not even aware of the maintenance t

2024-01-19 09:53:58 -0500 answered a question How do i install or find DVIEW with OSApp1.0 and OS3.0?

Adding this answer as I don't remember seeing it before. This link, which directs you to a NREL page about the BEopt (Bu

2024-01-11 16:31:19 -0500 asked a question How to Uninstall EnergyPlus

How to Uninstall EnergyPlus Simple question. Just installed EnergyPlus 23.2.0. Any specific procedure to completely unin

2023-12-07 09:21:04 -0500 marked best answer Empty Measures Directory

I found that even after I have downloaded and successfully run Measures on OpenStudio, that the measures directory remains empty. What is the function of the Measures Directory, if the location that the utilized measures is not the same as the Measures Directory? Secondly - how can I find where the measures are currently being run from?

2023-12-05 12:39:44 -0500 commented question How to add ZoneHVAC:IdealLoadsAirSystem to OpenStudio Model

I found these issues on Github related to these kinds of systems (here and here). In the meantime, is there a zone level

2023-12-05 11:43:11 -0500 asked a question How to add ZoneHVAC:IdealLoadsAirSystem to OpenStudio Model

How to add ZoneHVAC:IdealLoadsAirSystem to OpenStudio Model I am trying to add Zone HVAC Ideal Loads Air Systems in Open

2023-12-05 11:37:28 -0500 edited question How to add HVACTemplate:Zone:IdealLoadsAirSystem in OpenStudio

How to add HVACTemplate:Zone:IdealLoadsAirSystem in OpenStudio How do I add HVACTemplate:Zone:IdealLoadsAirSystem for zo

2023-12-05 11:01:45 -0500 asked a question Empty Measures Directory

Empty Measures Directory I found that even after I have downloaded and successfully run Measures on OpenStudio, that the

2023-12-05 10:47:49 -0500 asked a question Error Running IdealAirLoadsZoneHVAC OpenStudio Measure

Error Running IdealAirLoadsZoneHVAC OpenStudio Measure I am trying to add Zone HVAC Ideal Loads Air Systems (or I think

2023-12-05 10:43:01 -0500 commented question HAVC load: IdealAirLoad? or zone sizing

I am also interested in the answer to this question!

2023-12-05 10:26:04 -0500 asked a question How to add HVACTemplate:Zone:IdealLoadsAirSystem in OpenStudio

How to add HVACTemplate:Zone:IdealLoadsAirSystem in OpenStudio I'm banging my head against another wall. How do I add HV

2023-12-05 10:22:59 -0500 commented question Difference Turn on ideal air loads and ZoneHVAC:IdealLoadsAirSystem

Interested in this answer as well myself!

2023-12-05 08:46:56 -0500 commented answer How can I use node actuator and sensor in openstudio?

For others that are interested, you can find documentation on Energy Management System (EMS) and how to use node actuato

2023-12-04 10:08:02 -0500 asked a question How to Model Multi-Zone VRF System in OpenStudio?

How to Model Multi-Zone VRF System in OpenStudio? Similar questions on the forum did not yield a good answer. How do I m

2023-11-28 09:55:58 -0500 commented answer What output should I select to obtain the HVAC system load profile in each thermal zone?

Does this answer imply that the latent loads can only be outputted for multi-zone systems?

2023-11-28 09:55:10 -0500 commented question How to output Latent and Sensible loads in Openstudio/Eplus per thermal zone?

I noticed that this question may indirectly answer this question: to find peak sensible/latent and/or heating/cooling lo

2023-11-17 12:19:25 -0500 commented answer Hand drawn window error

Hmm, I didn't know it was best practice to not save the SketchUp file.

2023-11-17 09:54:15 -0500 commented answer Subsurface is missing its base surface, it cannot be drawn

This is a great comment. I was able to utilize this trick to get my subsurfaces to start working.

2023-11-07 17:24:11 -0500 commented question Show/Indicate Surface’s Normal Vector in Sketchup OpenStudio Plugin

I opened an issue on Github for the OpenStudio Sketchup Plugin.

2023-11-07 17:17:10 -0500 marked best answer DesignSpecification:OutdoorAir for PTAC

I am trying to use OpenStudio and EnergyPlus to model the internal sensible and latent loads for a building. EnergyPlus will output all sensible loads fairly easily, but it's a different story for internal latent loads (in my situation almost exclusively people). From hours of digging it looks like using a 'dummy zone equipment', for example a PTAC (specifically a Cycling PTAC DX Clg Elec Htg object) is the best way to get access to the latent load. It looks like I am getting some latent loads with this. Success. Since I've included infiltration into the model I'm sure that this latent load also includes infiltration. That's fine, I can take out infiltration when I need to.

However, now I'd like to add in the latent load due to outdoor air flow. I see the three objects that can control outside air, but based on this section of the Input - Output documentation I was expecting an option somewhere for the Field: Outdoor Air Method, but I cannot find it. I'd like to know how the outdoor air flow is being autosized for this zone through the PTAC. Any suggestions?

2023-11-07 14:06:26 -0500 commented answer DesignSpecification:OutdoorAir for PTAC

Even more discoveries. Looks like in the Space/Properties/Airflow section in OpenStudio, there is a parameter for the De

2023-11-07 13:56:07 -0500 commented answer DesignSpecification:OutdoorAir for PTAC

Okay, I found that when in OpenStudio under the HVAC Systems tab and for any added AirLoop system, when I click on the d

2023-11-07 13:42:48 -0500 commented answer DesignSpecification:OutdoorAir for PTAC

"The PT unit in that zone, if it has a OA mixer..." How do I ensure that the PTAC has a OA mixer in OpenStudio? I cannot

2023-11-07 13:41:36 -0500 commented answer DesignSpecification:OutdoorAir for PTAC

Ok, it looks like I can add a natural ventilation object to the zone. Is that the right solution?

2023-11-07 13:11:14 -0500 commented answer DesignSpecification:OutdoorAir for PTAC

Thanks! I have no idea how to find the Sizing:Zone object in OpenStudio. I have my design days file imported and all the

2023-11-07 12:02:42 -0500 asked a question DesignSpecification:OutdoorAir for PTAC

DesignSpecification:OutdoorAir for PTAC I am trying to use OpenStudio and EnergyPlus to model the internal sensible and

2023-11-07 10:25:24 -0500 commented answer Ideal Air Loads in Open Studio

And to add to this, in order to even get a latent cooling load to appear in EnergyPlus Results' Equipment Summary, I had

2023-11-07 09:22:23 -0500 asked a question ResultsViewer DesignBuilder Error: Requested value 'Each Call' was not found.

ResultsViewer DesignBuilder Error: Requested value 'Each Call' was not found. Just got DesignBuilder ResultsViewer insta

2023-10-30 18:39:03 -0500 edited question How to Retrieve or View Data from Add Output Variable OS Measure

How to Retrieve or View Data from Add Output Variable OS Measure Per this post, I am trying to retrieve and/or view the

2023-10-30 18:36:19 -0500 asked a question How to Retrieve or View Data from Add Output Variable OS Measure

How to Retrieve or View Data from Add Output Variable OS Measure Per this post, I am trying to retrieve and/or view the

2023-10-30 18:19:53 -0500 commented answer Zone loads instead of HVAC loads in OpenStudio or EnergyPlus

Hi @Ski90Moo I added the "Zone Total Internal Latent Gain Rate" and the "Zone Total Internal Total Heating Rate" to my O

2023-10-30 17:16:13 -0500 edited question How to turn on Cooling Coil Total Cooling Rate

How to turn on Cooling Coil Total Cooling Rate I am trying to follow along with a post here, but I am failing to figure

2023-10-30 17:16:00 -0500 asked a question How to turn on Cooling Coil Total Cooling Rate

How to turn on Cooling Coil Total Cooling Rate I ma trying to follow along with a post here, but I am failing to figure

2023-10-30 16:50:21 -0500 commented question How to output Latent and Sensible loads in Openstudio/Eplus per thermal zone?

I am also interested in the answer to this question!

2023-08-01 13:46:07 -0500 commented question How to Set a Building Story Default Construction Set to None

I also notice that it's possible to remove a default construction set from the building as a whole, but not the building

2023-08-01 13:26:16 -0500 commented answer Applying schedule sets / construction sets clarification question

And if one indicated something at the Space/Space Type/Story level, is there any method to undo that setting/reset the d

2023-08-01 13:25:16 -0500 commented answer How to Model Thin Aluminum Construction

Great, this makes sense. I accepted this as the right answer. I'll also follow-up when I can with the actual material th

2023-08-01 13:24:03 -0500 marked best answer How to Model Thin Aluminum Construction

I've got some old specifications that describe a wall panel as:

  • Infill panel shall be 5/8" exterior type particleboard with 0.011 mil aluminum bonded to both sides

That's pretty thin aluminum (this thin: 1.1e-5 inches or 0.0002794 millimeters). Based off this post, it seems that there are limits on some of the physical properties of materials in EnergyPlus. Does anybody have any advice on how to model/create this material/construction in EPlus?

2023-08-01 13:19:16 -0500 edited question How to Set a Building Story Default Construction Set to None

How to Set a Building Story Default Construction Set to None As the title suggests, I applied a construction set to a pa

2023-08-01 13:18:46 -0500 commented question How to Set a Building Story Default Construction Set to None

I also notice that it's possible to remove a default construction set from the building as a whole, but not the building

2023-08-01 13:17:18 -0500 commented answer How to Model Thin Aluminum Construction

I believe what this suggests, as @mdahlhausen states below, is that the construction should consist of a single material

2023-08-01 13:15:33 -0500 commented answer How to Model Thin Aluminum Construction

Hmm, yes this generally what the EPlus Input-Output documentation suggests: "...Extremely thin and/or highly conductive