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OpenModelica Usage and Applications

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Learning the usage of Open Modelica
Author Mohaned Omar
Heat Recovery applications on openmodelica
Page: 1

0 Replies

347 Views

Apr-16-21 12:53:39
by Mohaned Omar
 
import headaches
Author Angulo
Cannot import and use Modelica.Units.SI
Page: 1

5 Replies

422 Views

Apr-16-21 07:39:45
by sjoelund.se
 
Exporting FMUs for Co-Simulation providing Directional Derivatives
Author ig_borges
Page: 1

2 Replies

430 Views

Apr-13-21 17:25:02
by marcelot
 
Issue exporting CSV from OpenModelica
Author mx_judo2021
Unable to export CSV from OpenModelica.
Page: 1

1 Replies

433 Views

Apr-13-21 15:15:28
by adeas
 
Delay and Difference of two out-of-phase signals
Author gcharandas
Unable to perform delay and take the difference of two signals
Page: 1

0 Replies

352 Views

Apr-10-21 11:23:15
by gcharandas
 
Build Old Version on New Linux Distro file_attachment
Author vturnerbrc
Building 1.14.x on a Linux Mint 20
Page: 1

7 Replies

496 Views

Apr-09-21 17:29:41
by vturnerbrc
 
Information regarding OMSimulator master algorithms
Author marcelot
Page: 1

0 Replies

368 Views

Apr-08-21 18:55:57
by marcelot
 
Save a file in older versions?
Author ea7v
Page: 1

0 Replies

279 Views

Apr-08-21 08:27:32
by ea7v
 
Another try : Failed to deduce dimension 1 of conc due to missing bind
Author JPG84
Page: 1

1 Replies

411 Views

Apr-08-21 08:17:58
by perost
 
Modelica.ComplexBlocks problem
Author hanshell
Page: 1

0 Replies

297 Views

Apr-08-21 07:51:27
by hanshell
 
Multi-level parameters
Author JPG84
Page: 1

2 Replies

378 Views

Apr-08-21 07:04:21
by adrpo
 
Save a file in older versions?
Author ea7v
Page: 1

0 Replies

390 Views

Apr-07-21 08:31:29
by ea7v
 
Establishing communication between OpenModelica and an OPC-UA client
Author SudhakarK
​There is a process running in OpenModelica, and I am trying to control the parameters of this...
Page: 1

16 Replies

1187 Views

Apr-07-21 01:59:33
by SudhakarK
 
OM delets mye code when i try to save it.
Author Ruben.Cannistraci
Page: 1

6 Replies

464 Views

Apr-01-21 09:50:29
by adeas
 
Errors with compiler and initial conditions with Methane file_attachment
Author ea7v
Page: 1

0 Replies

371 Views

Mar-31-21 13:14:31
by ea7v
 
Does OMCSessionZMQ connect to new OMC each time?
Author vturnerbrc
Looking to use in parallel multiple OMCSessionZMQ instances on single machine
Page: 1

2 Replies

306 Views

Mar-30-21 10:44:02
by vturnerbrc
 
Om delets mye parameters and text.
Author Ruben.Cannistraci
Page: 1

1 Replies

312 Views

Mar-29-21 12:33:45
by adeas
 
OM delets mye code when i try to save it.
Author Ruben.Cannistraci
Page: 1

2 Replies

326 Views

Mar-29-21 12:33:34
by adeas
 
Extra CVODE options
Author marcelot
Page: 1

4 Replies

741 Views

Mar-26-21 19:04:07
by marcelot
 
Model the inerting system
Author sdaix
Page: 1

0 Replies

472 Views

Mar-25-21 18:30:59
by sdaix
 
Simple question - simple answer ?
Author JPG84
How to have choice between two models in modelica
Page: 1

2 Replies

419 Views

Mar-25-21 14:18:01
by JPG84
 
replaceable dialog
Author JPG84
Page: 1

1 Replies

386 Views

Mar-24-21 17:35:32
by CTG
 
divided by zero file_attachment
Author sdaix
Page: 1

0 Replies

391 Views

Mar-23-21 16:53:21
by sdaix
 
BackendDAEOptimize.makeEquationToResidualExp failed to transform equat file_attachment
Author sdaix
Page: 1

1 Replies

308 Views

Mar-23-21 16:19:28
by sdaix
 
How to use the result of readRealMatrix
Author JPG84
Page: 1

4 Replies

493 Views

Mar-23-21 10:50:56
by JPG84
 
Problem of higher variability parameter.
Author sdaix
Page: 1

1 Replies

442 Views

Mar-18-21 16:48:23
by sdaix
 
Connecting two docker containers and then return result with restful A
Author masoudz65
Page: 1

2 Replies

479 Views

Mar-18-21 15:55:12
by masoudz65
 
How could I put OpenModelica on Linux Docker Container?
Author masoudz65
Page: 1

4 Replies

626 Views

Mar-18-21 15:52:51
by masoudz65
 
Problem with valve incompressible file_attachment
Author sdaix
Page: 1

3 Replies

443 Views

Mar-17-21 12:49:27
by sdaix
 
Dialog box for setting unspecified array elelement
Author JPG84
Page: 1

0 Replies

292 Views

Mar-16-21 07:02:24
by JPG84
 
pyfmi
Author A young engineer
Switch in joint direction when using a model created in Maplesim in pyfmi
Page: 1

0 Replies

504 Views

Mar-12-21 16:06:46
by A young engineer
 
building energy simulation
Author Xiaoning Guo
The FMU version is 2.0 and FMU type is CoSimulation. Unsupported FMU type. Only FMI 2.0...
Page: 1

0 Replies

358 Views

Mar-12-21 15:48:42
by Xiaoning Guo
 
Modelica-Arduino not working in OpenModelica
Author gela
Only getting errors by trying to simulate the Arduino Uno model
Page: 1

5 Replies

898 Views

Mar-12-21 13:54:51
by sjoelund.se
 
Time constant analysis
Author Neotake
Page: 1

1 Replies

922 Views

Mar-10-21 23:12:07
by lisboalex02
 
32-bit FMI using OMEdit (MSL 3.2.3.)
Author sarasalamone
version recommended for 32-bit FMI using OMEdit (MSL 3.2.3.)
Page: 1

3 Replies

571 Views

Mar-10-21 11:54:20
by sarasalamone
 
Fluid system file_attachment
Author Steffen
The model does not work or extremely slow due to minor changes
Page: 1

13 Replies

582 Views

Mar-09-21 18:56:01
by CTG
 
Profiling using OpenModelica with CPP runtime
Author sayantan_m
Page: 1

3 Replies

412 Views

Mar-07-21 13:47:15
by sayantan_m
 
Initialisation problem
Author JPG84
Page: 1

1 Replies

381 Views

Mar-06-21 07:56:13
by JPG84
 
TIL Media on OpenModelica file_attachment
Author Ferrucci
Page: 1

9 Replies

841 Views

Mar-05-21 09:20:42
by CTG
 
Export result mat file to Matlab (file attached) file_attachment
Author Ferrucci
Page: 1

0 Replies

598 Views

Mar-05-21 04:06:40
by Ferrucci
 
Installation of the olders versions
Author fabiopinheirocardoso
How do install the olders versions?
Page: 1

2 Replies

613 Views

Mar-03-21 21:28:23
by fabiopinheirocardoso
 
How to call an external C function?
Author Allyson10
Hi, I need to implement an external C function in Modelica.
Page: 1

3 Replies

915 Views

Mar-02-21 12:57:33
by Allyson10
 
Is there a way to simulate a FMU in a C++ environment?
Author lisboalex02
Page: 1

1 Replies

570 Views

Mar-02-21 10:52:34
by sjoelund.se
 
Modelling packed bed thermal storage
Author hew
Is OpenModelica the right tool?
Page: 1

3 Replies

465 Views

Mar-01-21 15:51:29
by justnielsen
 
Errors using derived PartialMixtureMedium file_attachment
Author ChrisK
Page: 1

3 Replies

376 Views

Mar-01-21 12:29:23
by ChrisK
 
Compile OMCopiler for OM 1.16.4 on Linux
Author VJM
Error in compiling OMCopiler
Page: 1

0 Replies

367 Views

Feb-26-21 19:17:15
by VJM
 
Graphical Web intrface for OpenModellica
Author mahesRBR
Graphical Web intrface for OpenModellica
Page: 1

0 Replies

358 Views

Feb-25-21 08:48:50
by mahesRBR
 
Pourquoi est-il impossible de joindre un document ?
Author Brunad
Why is it impossible to attach any document in this forum ?
Page: 1

0 Replies

320 Views

Feb-22-21 12:33:01
by Brunad
 
Embed a modelica Fluid device model in a new Fluid device model
Author Brunad
How to pass Medium definition when embedding ?
Page: 1

0 Replies

318 Views

Feb-22-21 12:17:35
by Brunad
 
CSV file Result with docker container
Author masoudz65
Page: 1

1 Replies

377 Views

Feb-21-21 17:07:15
by perost
 
integers and character chains lead to differente behavior
Author JPG84
Page: 1

1 Replies

329 Views

Feb-19-21 07:01:25
by JPG84
 
PowerGrid library examples do not pass the check (problem &...
Author Ferrucci
Page: 1

0 Replies

320 Views

Feb-18-21 19:54:16
by Ferrucci
 
Manipulating Model and Saving via OMPython/OMShell
Author vturnerbrc
After deleting and adding connections, is there an API endpoint to call to "save" a model?
Page: 1

1 Replies

678 Views

Feb-10-21 18:37:43
by vturnerbrc
 
Lag or constant value in a loop till trigger
Author Balajik
PID controller support
Page: 1

2 Replies

392 Views

Feb-09-21 05:53:00
by Balajik
 
OpenModelica Docker Image available
Author dersh
Page: 1

12 Replies

3635 Views

Feb-06-21 22:42:03
by dersh
 
Wheeled robot model
Author rocomanmelli
Dynamic state selection and other problems with MultiBody
Page: 1

0 Replies

446 Views

Feb-06-21 14:49:50
by rocomanmelli
 
OMOptim is working or not?
Author Knot83
Page: 1

2 Replies

582 Views

Feb-06-21 13:27:03
by adrpo
 
How to simulate a model indefinitely?
Author lisboalex02
Model exported as FMU and imported to a FMI environment
Page: 1

0 Replies

358 Views

Feb-06-21 12:22:24
by lisboalex02
 
How do I model a hanging cable in tension ?
Author WingMan
Page: 1

0 Replies

331 Views

Feb-05-21 00:59:28
by WingMan
 
HelmholtzMedia library
Author matth
Page: 1

7 Replies

2523 Views

Feb-04-21 13:52:21
by matth
 
Cannot make working controlBus
Author Loic
Page: 1

0 Replies

358 Views

Feb-03-21 15:47:31
by Loic
 
FMU Co-simulation : Inputs/Outputs of FMU Block
Author dimitri.tratkanov
FMU Co-simulation : Inputs/Outputs of FMU Block
Page: 1

9 Replies

5171 Views

Feb-02-21 17:34:55
by thomaskurz
 
Fluid examples do not match documentation
Author sgopal1
Page: 1

2 Replies

379 Views

Feb-02-21 12:58:43
by sgopal1
 
fmiSetReal not called
Author bertl
fmiSetReal from FMU-DLL not called from OM
Page: 1

3 Replies

894 Views

Feb-01-21 18:20:36
by thomaskurz
 
how to get initial system description every time
Author JPG84
Page: 1

2 Replies

360 Views

Jan-31-21 00:42:30
by adrpo
 
Modelica Open Flight Dynamics library ?
Author WingMan
Page: 1

0 Replies

386 Views

Jan-30-21 03:21:28
by WingMan
 
Divided by zero error message
Author Messaoud
Page: 1

2 Replies

465 Views

Jan-29-21 07:25:23
by Messaoud
 
How to defined conditional Array dimension
Author JPG84
Page: 1

5 Replies

450 Views

Jan-28-21 18:49:53
by JPG84
 
Model Exchange FMU fails to Enter Event Mode
Author lisboalex02
I could not find anything related to this exception. Can someone help me ?
Page: 1

0 Replies

364 Views

Jan-24-21 11:12:25
by lisboalex02
 
Simple algorithm==> Strange results
Author JPG84
Page: 1

2 Replies

361 Views

Jan-22-21 17:53:57
by adrpo
 
Curved bend
Author Yoann
Piping network with curved bend fails to compile
Page: 1

0 Replies

379 Views

Jan-22-21 09:58:28
by Yoann
 
Une simple boucle fermée donne des résultats étonnants
Author Sylvain-Pascal
Simulation électrique
Page: 1

5 Replies

415 Views

Jan-22-21 09:56:19
by Sylvain-Pascal
 
Coolprop via ExternalMedia
Author KaiGe
Page: 1

0 Replies

401 Views

Jan-20-21 17:57:32
by KaiGe
 
source term for a chemical system
Author JPG84
Page: 1

0 Replies

343 Views

Jan-20-21 16:47:44
by JPG84
 
Cam follower animation and simulation with 3D step ap214 files
Author wrenkel
Is it possible to simulate the movement of a cam follower? If so, who can explain to me how?
Page: 1

2 Replies

452 Views

Jan-20-21 15:33:33
by wrenkel
 
coolprop
Author myaghoobi2
how to install coolprop and use it in the openmodelica
Page: 1

1 Replies

2096 Views

Jan-19-21 07:46:55
by KaiGe
 
Change the reference enthalpy and reference entropy of Ideal gas model
Author Ferrucci
Page: 1

0 Replies

339 Views

Jan-17-21 12:35:42
by Ferrucci
 
ExternalMedia installation/set-up issues
Author jgifford
Page: 1

6 Replies

1767 Views

Jan-17-21 12:05:52
by Ferrucci
 
Moving on my Model
Author Sover1
How can I move with the mouse on my model
Page: 1

0 Replies

344 Views

Jan-15-21 10:04:06
by Sover1
 
Scaling of single variables in Plots
Author Roman
Scaling of single variables in plots, eg a Boolean with plot values 0 and 1 e.g. cannot be...
Page: 1

0 Replies

305 Views

Jan-15-21 07:54:48
by Roman
 
initialisation array
Author JPG84
Problem with initialisation of the values of an array
Page: 1

4 Replies

391 Views

Jan-14-21 15:30:13
by adrpo
 
Unable to read mat and csv exported files
Author CrisBab
The output file .mat seems to be corrupted
Page: 1

0 Replies

397 Views

Jan-12-21 13:59:11
by CrisBab
 
Model Solver fails
Author lisboalex02
The default linear solver fails, the fallback solver with total pivoting is started at time...
Page: 1

1 Replies

834 Views

Jan-12-21 11:21:38
by AnHeuermann
 
Division by zero error when exporting model example as FMU to python
Author lisboalex02
Exporting the AIMC_Inverter example model as FMU to python through FMI and trying to simulate...
Page: 1

1 Replies

416 Views

Jan-12-21 07:52:48
by lisboalex02
 
Using OMSysIdent with another solver than Euler
Author thomasatopenmodelica
Page: 1

1 Replies

410 Views

Jan-01-21 23:33:09
by thomasatopenmodelica
 
Import the excel file
Author Ariz
Page: 1

1 Replies

2062 Views

Dec-29-20 18:32:02
by Sherif Saied
 
How can I import xlsx file in OMEdit script ?
Author Sherif Saied
Page: 1

0 Replies

337 Views

Dec-29-20 18:13:40
by Sherif Saied
 
Windows 64 bit problem
Author Verbeek
tested Linux models fail on Windows 64bit version
Page: 1

2 Replies

553 Views

Dec-24-20 17:56:58
by Verbeek
 
Graphical issue with Fluid library (one more time) with new 1.16.2
Author Brunad
Some graphical objects have no more visible port B connector
Page: 1

2 Replies

422 Views

Dec-24-20 12:41:46
by Brunad
 
OpenModelica OMPython example model throws load file error
Author lisboalex02
I am trying to simulate an OpenModelica example model using ModelicaSystem python module. But I...
Page: 1

2 Replies

435 Views

Dec-20-20 13:40:13
by lisboalex02
 
3D Table Lookup / Usage of Dymola DataFiles Package
Author Ajax
Searching for a 3D LuT-block or function for trilinear interpolation. Is it possible to use...
Page: 1

2 Replies

820 Views

Dec-17-20 15:03:47
by Ajax
 
Buildings.Fluid.Actuators.Valves.ThreeWayLinear Simulation Error
Author Briant
Solutions for debugging the ThreeWayValve class within the Buildings library
Page: 1

0 Replies

401 Views

Dec-15-20 11:13:11
by Briant
 
Engineering Modeling Problem
Author SilverArrow
Novice trying to make a simple model in OM
Page: 1

1 Replies

526 Views

Dec-11-20 13:59:40
by Lluc
 
Power semiconductors library models
Author Knot83
Page: 1

2 Replies

461 Views

Dec-10-20 10:34:05
by Knot83
 
Multibody closed loop initialization
Author Emanuele83
Page: 1

0 Replies

443 Views

Dec-06-20 11:02:05
by Emanuele83
 
OMedit can not find modelica standard library
Author hkalbasi
Page: 1

6 Replies

2060 Views

Dec-04-20 16:38:16
by adrpo
 
Dip pipe in closed tank
Author victor
Dip pipe in closed tank
Page: 1

0 Replies

466 Views

Dec-02-20 12:24:31
by victor
 
May I translate User's guide?
Author Ueda
I would like to translate OpenModelica User's guide into Japanese.
Page: 1

4 Replies

543 Views

Dec-01-20 23:22:01
by Ueda
 
Simulation crash reporting exit code -1073741819
Author Knot83
Page: 1

4 Replies

699 Views

Dec-01-20 08:43:58
by Knot83
 
ExternalMedia In OpenModelica
Author Doneuxj
Page: 1

1 Replies

1420 Views

Nov-30-20 07:44:37
by KaiGe
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