First time here? Check out the Help page!
2023-12-15 08:13:59 -0500 | answered a question | Current tools for Co-simulation For the coupling of these three tools I suggest you use the BCVTB. |
2023-12-15 08:13:59 -0500 | received badge | ● Rapid Responder (source) |
2023-11-09 16:58:42 -0500 | answered a question | Modelica Buildings Library Data Center Example Fails This model works with the latest version of OpenModelica. See also https://libraries.openmodelica.org/branches/master/Bu |
2023-11-09 16:58:42 -0500 | received badge | ● Rapid Responder (source) |
2023-05-27 07:29:23 -0500 | commented answer | How to use python libraries in the Buildings.Utilities.IO.Python_3_8 Real_Real module Did you test it with OpenModelica? It works on my system with OpenModelica and Dymola. |
2023-05-26 20:23:10 -0500 | answered a question | How to use python libraries in the Buildings.Utilities.IO.Python_3_8 Real_Real module If your numpy package is on the PYTHONPATH it should work, but make sure you restart dymola from the same shell in which |
2023-05-26 20:23:10 -0500 | received badge | ● Rapid Responder (source) |
2023-05-18 17:51:59 -0500 | received badge | ● Rapid Responder (source) |
2023-05-18 17:51:59 -0500 | answered a question | Python Module does not work in OpenModelica I verified that the model Buildings.Utilities.IO.Python_3_8.Examples.KalmanFilter works on our test environment (Ubuntu |
2023-05-09 08:55:48 -0500 | commented answer | Text based control algorithim for modelica Please read the documentation of the Python package: https://simulationresearch.lbl.gov/modelica/releases/v9.1.0/help/Bu |
2023-05-03 16:35:58 -0500 | answered a question | Text based control algorithim for modelica If you try to save this in OpenModelica's OMEdit, it gives the error message: `[3] 14:31:35 Syntax Error which is becau |
2023-05-03 16:35:58 -0500 | received badge | ● Rapid Responder (source) |
2023-03-30 16:39:00 -0500 | answered a question | Modelica buildings outputs error when connecting the terminal I can't reproduce your problem. I downloaded your posted files, opened OpenModelica's OMEdit, opened the Modelica Buildi |
2023-02-14 17:36:19 -0500 | answered a question | Modelica DES Control Loop Parameters The statement "My timeseries loads change every T=600s so I thought maybe I should use that as the Ti term for all the p |
2023-02-14 17:36:19 -0500 | received badge | ● Rapid Responder (source) |
2023-01-04 13:51:46 -0500 | answered a question | Modelica Cooling Tower Energy Balance It is not uncommon that one or a few variables dominate the integration error. This typically happens if they have fast |
2022-12-21 13:54:07 -0500 | received badge | ● Rapid Responder (source) |
2022-12-21 13:54:07 -0500 | answered a question | Modelica District Heating Heat Pump That seems to be the right path. You may also want to look at Buildings.Experimental.DHC.EnergyTransferStations.Combined |
2022-12-19 11:49:20 -0500 | received badge | ● Rapid Responder (source) |
2022-12-19 11:49:20 -0500 | answered a question | Speed up Modelica DES Models We give some general guidance for how to debug simulation performance at https://simulationresearch.lbl.gov/modelica/use |
2022-12-07 18:17:22 -0500 | received badge | ● Rapid Responder (source) |
2022-12-07 18:17:22 -0500 | answered a question | Modelica power consumption outputs See for example the top right of the model https://simulationresearch.lbl.gov/modelica/releases/v9.1.0/help/Buildings_Ex |
2022-02-28 17:56:00 -0500 | received badge | ● Rapid Responder (source) |
2022-02-28 17:56:00 -0500 | answered a question | Optimization of Temperature Setpoints in Energy Plus If you set up the set point schedule in the EnergyPlus idf file as an EnergyPlus schedule, you can override each set poi |
2021-09-14 10:16:27 -0500 | received badge | ● Rapid Responder (source) |
2021-09-14 10:16:27 -0500 | answered a question | How to make GenOpt store all input/output files for every run? See the GenOpt manual https://simulationresearch.lbl.gov/GO/download/manual-3-1-1.pdf where the SavePath variable is exp |
2021-06-03 14:38:08 -0500 | answered a question | Mechanical Ventilation in Dymola and co-simulations I suggest to set the sensible and latent heat inputs in EnergyPlus, or you could use the development version of Spawn of |
2021-03-19 12:31:44 -0500 | commented answer | Question regarding the Dymola Behavior Modeling layout That looks to me like either your installation is corrupt or changes have been made to the Buildings Library because "Op |
2021-03-19 07:17:19 -0500 | answered a question | Question regarding the Dymola Behavior Modeling layout OpenModelica does not yet work with all models, but work is ongoing to get full coverage. Please see https://simulationr |
2020-04-30 11:46:17 -0500 | commented answer | Modelica: Using temperature sensor to measure temperature of room This is the right approach. The schematics that is shown above shows that there is no flow through senTem if there is no |
2020-02-20 17:29:44 -0500 | answered a question | OpenModelica PumpingSystem Example broken The OpenModelica development team is working on ensuring that OpenModelica fully supports the Buildings library. Not all |
2019-11-28 07:44:47 -0500 | commented answer | Overview of BEM softwares that are more detailed than EnergyPlus @mldichter: I think a direct coupling using Spawn, or the FMI export of EnergyPlus (https://simulationresearch.lbl.gov/f |
2019-11-27 18:44:06 -0500 | answered a question | Overview of BEM softwares that are more detailed than EnergyPlus You should be able to use the Modelica Buildings Library (https://simulationresearch.lbl.gov/modelica/) for this purpose |
2019-11-22 15:41:23 -0500 | commented answer | Problem with compiling FMU using BuildingsLibrary ReaderTMY3 in JModelica Hi Amy JModelica 2.4 is pretty old, the current version is 2.10. I suggest you update or use the docker image which we f |
2019-11-21 23:29:58 -0500 | answered a question | Problem with compiling FMU using BuildingsLibrary ReaderTMY3 in JModelica Amy, Does the simple unit test Buildings.BoundaryConditions.WeatherData.BaseClasses.Examples.GetHeaderElement work for |
2019-07-09 23:07:22 -0500 | answered a question | OpenModelica: Using pumps You need to fix this by specifying a pump curve for which the head is monotonically decreasing with the flow rate. See t |
2019-06-23 15:11:04 -0500 | edited answer | Modelica: Over-determined system does not make sense I think you are confusing "variables" and "parameters" here. I suggest to check any Modelica book which explains the dif |
2019-06-17 18:03:59 -0500 | answered a question | Modelica: Fluid from source, valve, to sink You wrote "In between the source and sink is a linear valve which I plan to be a control valve in the future". If you us |
2019-06-17 12:32:45 -0500 | answered a question | OpenModelica Warning for fluids model You need to add an instance of Modelica.Fluid.System at the top-level of your model. See also Modelica.Fluid.Examples.Pu |
2019-04-15 09:35:58 -0500 | answered a question | Does MLE+ use BCVTB? MLE+ integrated and adapted source code from the BCVTB to provide a more direct coupling between Matlab and EnergyPlus. |
2019-04-05 03:18:14 -0500 | answered a question | some terminologies of genopt The simulation number is the number of simulations that have been conducted (if an optimization request the function val |
2019-03-20 23:45:06 -0500 | answered a question | Multiple Internal Heat Exchangers for Storage Tank - Modelica If you open the model you see that the only connection between the heat exchanger and the volume is through the heat por |
2019-01-24 23:22:54 -0500 | answered a question | EnergyPlus Modelica co-simulations and sensitivity analysis The EnergyPlus FMU export can all be done through command line, as can be Modelica simulations, hence you should be able |
2019-01-15 06:43:21 -0500 | answered a question | BCVTB energyPlus+Matlab sizing period simulations not working There is no data exchange between the BCVTB and EnergyPlus during the sizing and the warm up period, which explains your |
2018-11-02 10:02:19 -0500 | commented answer | Rated heat flow of heat exchangers in the Modelica Buildings Library @akey: The heat exchanger configuration in the tank model is such that you do not need to know the geometry of the coil. |
2018-09-13 19:44:15 -0500 | answered a question | Is Genopt able to optimize the geometry at certain operation condition only? You will need to formulate your problem in the form explained in Chapter 4 in the GenOpt manual (https://simulationresea |
2018-09-12 10:48:17 -0500 | answered a question | how can I write an objective function of minimizing the PPD in GenOpt You can check whether your ObjectiveFunctionLocation specification is correct by comparing the output file of EnergyPlus |
2018-05-18 09:45:24 -0500 | answered a question | EnergyPlus calibration using GenOpt, objective function and errors. The tutorial and manual at http://simulationresearch.lbl.gov/GO/download.html should answer these questions. If your cos |
2018-05-18 09:45:18 -0500 | edited question | EnergyPlus calibration using GenOpt, objective function and errors. EnergyPlus calibration using Gentopt, objective function and errors. Hello, I'm trying to write a paper about Calibrati |
2018-05-18 09:45:18 -0500 | received badge | ● Editor (source) |