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Julien Marrec's profile - activity

2022-09-22 02:25:41 -0500 commented question DesignBuilder LEED v4 reporting "Subscript out of range"

This looks like an issue in the code for the reporting script. This is typically something that happens when you try to

2022-09-15 02:16:15 -0500 commented question Output Variable associated with ZoneHVAC:Baseboard:Convective:Electric not working

Yeah so the the Key has to be the object's name, not the Zone it's in.

2022-09-14 11:02:21 -0500 edited answer Output Variable associated with ZoneHVAC:Baseboard:Convective:Electric not working

I suggest having Output:VariableDictionary in the IDF format so you can copy from the .RDD to your IDF file without erro

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2022-09-14 11:02:03 -0500 answered a question Output Variable associated with ZoneHVAC:Baseboard:Convective:Electric not working

I suggest having Output:VariableDictionary in the IDF format so you can copy to your IDF file without error: Output:Var

2022-09-14 10:57:42 -0500 commented question Output Variable associated with ZoneHVAC:Baseboard:Convective:Electric not working

Can you post the actual IDF snippet for your Output:Variable? I bet that's the issue.

2022-09-14 10:57:15 -0500 edited question Output Variable associated with ZoneHVAC:Baseboard:Convective:Electric not working

Output Variable associated with ZoneHVAC:Baseboard:Convective:Electric not working Hi, I am trying to setup a Baseboard

2022-09-14 10:56:55 -0500 edited question Output Variable associated with ZoneHVAC:Baseboard:Convective:Electric not working

Output Variable associated with ZoneHVAC:Baseboard:Convective:Electric not working Hi, I am trying to setup a Baseboard

2022-09-06 03:59:01 -0500 edited answer Where to find Python API for E+ examples?

A couple of places to look at: E+ internal API tests: EnergyPlustst/EnergyPlus/api I have an example notebook: jmarrec

2022-09-06 03:57:37 -0500 answered a question Where to find Python API for E+ examples?

A couple of places to look at: https://github.com/NREL/EnergyPlus/tree/develop/tst/EnergyPlus/api https://github.com/j

2022-09-06 03:56:26 -0500 edited answer Python plugin and library workflow

Note that this will be available in the upcoming release of OpenStudio SDK (the one after 3.4.0). Please refer to OpenSt

2022-09-06 03:55:37 -0500 answered a question Python plugin and library workflow

Note that this will be available in the upcoming release of OpenStudio SDK (the one after 3.4.0). Please refer to https:

2022-09-06 03:52:41 -0500 answered a question how does get_trend_sum() api work?

Read the documentation: https://nrel.github.io/EnergyPlus/api/python/datatransfer.html#datatransfer.DataExchange.get_tre

2022-09-06 03:45:54 -0500 commented question Variable Handle Error while using Python API in EPlus Version 22.1

@prp92 Could you provide your files so we can investigate it please? (IDF + .py file)

2022-09-06 03:45:34 -0500 commented question Variable Handle Error while using Python API in EPlus Version 22.1

Could you provide your files so we can investigate it? (IDF + .py file)

2022-09-06 03:44:00 -0500 answered a question How to check the error status after api call

Use the callback_error() in the Functional API: https://nrel.github.io/EnergyPlus/api/python/func.html#func.Functional.c

2022-09-06 03:37:37 -0500 edited answer time value in the plugin call

Refer to the Data Transfer API: https://nrel.github.io/EnergyPlus/api/python/datatransfer.html Potentially of interest

2022-09-06 03:36:41 -0500 answered a question time value in the plugin call

Refer to the Data Transfer API: https://nrel.github.io/EnergyPlus/api/python/datatransfer.html Potentially of interest

2022-09-05 07:19:42 -0500 edited answer Start Simulation For ThermalZone With IdealLoadsAirSystem In C#

With the help of Julien, I was able to write the following code and my problem was solved OpenStudio.Workflo

2022-08-30 04:29:20 -0500 edited answer Start Simulation For ThermalZone With IdealLoadsAirSystem In C#

You need to make a system call to the openstudio CLI. openstudio.exe run -w workflow.osw. Your workflow.osw can be as si

2022-08-30 04:29:07 -0500 edited answer Start Simulation For ThermalZone With IdealLoadsAirSystem In C#

You need to make a system call to the openstudio CLI. openstudio.exe run -w workflow.osw. Your workflow.osw can be as si

2022-08-30 04:28:07 -0500 answered a question Start Simulation For ThermalZone With IdealLoadsAirSystem In C#

You need to make a system call to the openstudio CLI. openstudio.exe run -w workflow.osw. Your workflow.osw can be as si

2022-08-22 16:11:57 -0500 commented question Why is my water heater always on-cycle?

Can you show what inputs you put for the WaterHeater:Mixed? Are you sure it's correctly sized with respect to the WaterU

2022-08-22 16:09:54 -0500 edited question Why is my water heater always on-cycle?

Why is my water heater always on-cycle? I'm trying to model a DHW system in Openstudio, and the simulation report is sho

2022-08-22 07:57:01 -0500 edited answer Why my results of sensitivity analysis using jEPlus+EA do not apear after termination?

Hi, the web tool may have trouble handling the amount of data in your project. You can still see the SA results in data

2022-08-07 16:46:03 -0500 marked best answer From Baseline to Proposed model, or from Proposed to Baseline?

I'm curious as to the pros and cons of building either the Baseline first of the Proposed Model first, when using ASHRAE 90.1 Appendix G for New Construction projects.

What makes more sense? Why?

I'll accept both software-agnostic and software-specific reasons.

2022-08-01 02:09:11 -0500 edited answer XSD to validate BSDF files?

There is one that you can find on honeybee-resources: https://github.com/ladybug-tools/honeybee-resources/tree/master/da

2022-08-01 02:07:39 -0500 received badge  Rapid Responder (source)
2022-08-01 02:07:39 -0500 answered a question XSD to validate BSDF files?

There is one that you can find on honeybee-resources: https://github.com/ladybug-tools/honeybee-resources/tree/master/da

2022-07-28 05:38:28 -0500 commented answer EnergyPlus simulation failed after version converting

Thanks for doing this @Keigo !

2022-07-28 02:11:22 -0500 edited answer Easy one, how do I attach my unit heater hot water coil to my hot water loop?

On the Thermal Zones tab, you can click on the Unit Heater, and in the Right Column you'll see a link icon that allows y

2022-07-28 02:09:49 -0500 answered a question Easy one, how do I attach my unit heater hot water coil to my hot water loop?

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2022-07-26 07:56:51 -0500 answered a question Has anyone had recent success modeling PCM?

EnergyPlus has MaterialProperty:PhaseChangeand MaterialProperty:PhaseChangeHysteresis. I don't think either actually ha

2022-07-26 07:49:21 -0500 edited question When used at low flow rates, the airflow direction became opposite to the intended direction.

When used at low flow rates, the airflow direction became opposite to the intended direction. Hi all, I am trying to si

2022-07-26 07:48:56 -0500 edited question When used at low flow rates, the airflow direction became opposite to the intended direction.

When used at low flow rates, the airflow direction became opposite to the intended direction. Hi all, I am trying to si

2022-07-18 03:58:47 -0500 edited question Receive cooling and heating as summary and analysis in C #

Receive cooling and heating as summary and analysis in C # Hello to all friends I know my question is very simple, but t

2022-07-18 03:58:08 -0500 edited question Receive cooling and heating as summary and analysis in C #

Receive cooling and heating as summary and analysis in C # Hello to all friends I know my question is very simple, but t

2022-07-18 03:57:12 -0500 received badge  Rapid Responder (source)
2022-07-18 03:57:12 -0500 answered a question How to add Exhaust Fan to AirLoopHVAC:DedicatedOutdoorAirSystem

It can indeed get quite confusing. For the HX and Fan, this is actually exactly the same way you would do with a regul

2022-07-16 05:36:47 -0500 commented question OS modulating LAT to reach setpoint

No, you're correct, that is how the SPM:Scheduled works. If you want to switch from 55F to 95F with it, you need to do s

2022-07-16 05:28:07 -0500 commented answer How can I change the conductivity of a material using the Python API

If your question is resolved, please mark one of the two answers as accepted (the green check mark below the upvote/down

2022-07-16 05:26:39 -0500 commented answer Creat Simple Thermostat in Openstudio C#

Same class, just use a Schedule that has the same value all the time.

2022-07-16 05:24:24 -0500 answered a question GetHTSubSurfaceData: Surface Openings have too much area for base surface=SURFACE 215

There's no real question being asked, but I assume it's "I got this error, how do I fix it". Well, the error says it al

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2022-07-16 05:21:26 -0500 edited question GetHTSubSurfaceData: Surface Openings have too much area for base surface=SURFACE 215

GetHTSubSurfaceData: Surface Openings have too much area for base surface=SURFACE 215 Program Version,EnergyPlus, Versio

2022-07-11 02:52:21 -0500 answered a question How to get the value of a meter using the Python API?

You can use get_meter_handle and get_meter_value. They work exactly like get_variable_handle and get_variable_value. I

2022-07-11 02:46:14 -0500 commented answer How do I view results on mac

Setting the Output:Control:TableStyle is possible via en EnergyPlus measure. But also if you access the ft directly: ft

2022-07-11 02:41:59 -0500 commented question OS modulating LAT to reach setpoint

A SetpointManager:Scheduled should provide exactly that though. Can you share your file or some plots and extracts?