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Welcome JaamSim and JaamSim Pro users, please feel free to ask for help, suggest improvements or report bugs you have found.

This group is for discussion related to the JaamSim and JaamSim Pro discrete event simulation software: jaamsim.com and jaamsimpro.com

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Harry King, Clay2

9/30/19

ACTION REQUIRED BY COMMERCIAL USERS OF JAAMSIM

Thanks for this! I am just starting to work with Jaamsim again and noticed that when I went to

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ACTION REQUIRED BY COMMERCIAL USERS OF JAAMSIM

Thanks for this! I am just starting to work with Jaamsim again and noticed that when I went to

9/30/19

DANILO LAFETA CABRAL, Harvey Harrison2

6:09 PM

Feature Request: Built-in Update Checker and Automatic Downloader

While I agree this would be helpful, we've in some ways been very intentional that jaamsim is

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Feature Request: Built-in Update Checker and Automatic Downloader

While I agree this would be helpful, we've in some ways been very intentional that jaamsim is

6:09 PM

john.b...@arup.com, … Lorenzo Ferro8

Jun 9

Dear Harry, this new feature that you are going to introduce could be useful for me to model "

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Dear Harry, this new feature that you are going to introduce could be useful for me to model "

Jun 9

WILSON TRIGUEIRO DE SOUSA JÚNIOR, Harry King4

Jun 7

Possible "MultipleThread" issue with version 2026.03

Hi Harry, Tested the multi-thread and worked fine. Thanks a lot! Kind regards, Em quinta-feira, 4 de

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Possible "MultipleThread" issue with version 2026.03

Hi Harry, Tested the multi-thread and worked fine. Thanks a lot! Kind regards, Em quinta-feira, 4 de

Jun 7

GABRIEL HENRIQUE DUARTE DE SOUZA, Harry King2

Jun 7

Feature Request: Bulk Add Objects to a View

Hi Gabriel, Thanks for another good suggestion. I think what is needed is the ability to repeat the

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Feature Request: Bulk Add Objects to a View

Hi Gabriel, Thanks for another good suggestion. I think what is needed is the ability to repeat the

Jun 7

Geoffrey Tian, Cristiano Silva2

Jun 4

Share your simulations

Hi Geoffrey, my channel has videos for beginners, intermediate, and advanced learners. All the code

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Share your simulations

Hi Geoffrey, my channel has videos for beginners, intermediate, and advanced learners. All the code

Jun 4

GABRIEL HENRIQUE DUARTE DE SOUZA, Harry King3

Jun 4

Suggestion for Improvement: Handling of Removed 3D Models in .cfg File

Hi Gabriel, Release 2026-04 includes a new feature that prompts the user to delete the DisplayModel

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Suggestion for Improvement: Handling of Removed 3D Models in .cfg File

Hi Gabriel, Release 2026-04 includes a new feature that prompts the user to delete the DisplayModel

Jun 4

Lorenzo Ferro, Harry King5

Jun 4

HI Lorenzo, The 'ScriptedViewCenter' input has been replaced by 'ScriptedViewDirection

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HI Lorenzo, The 'ScriptedViewCenter' input has been replaced by 'ScriptedViewDirection

Jun 4

WILLIAN SATOSHI YAMAUTI, … Harry King5

Jun 4

BarGauge Syntax Error: Individual process progress vs. Total accumulated time

Willian and Lorenzo, The 'FractionCompleted' output has been added to EntityProcessor in

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BarGauge Syntax Error: Individual process progress vs. Total accumulated time

Willian and Lorenzo, The 'FractionCompleted' output has been added to EntityProcessor in

Jun 4

Jun 4

JaamSim 2026-04 released

Changes in release 2026-04: 'ServiceDuration', 'ServicePerformed', and '

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JaamSim 2026-04 released

Changes in release 2026-04: 'ServiceDuration', 'ServicePerformed', and '

Jun 4

MICHEL MARCOS DE MELO

Jun 3

Localization of JaamSim for other languages.

Hello everyone. Do you developers have any plans to translate/localize the JaamSim software into

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Localization of JaamSim for other languages.

Hello everyone. Do you developers have any plans to translate/localize the JaamSim software into

Jun 3

Geoffrey Tian, Harry King2

May 30

Error in Manual indexOf description?

Yes, it is a typo. It should be a comma. Harry On Saturday, May 30, 2026 at 11:18:25 AM UTC-7 geoffr.

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Error in Manual indexOf description?

Yes, it is a typo. It should be a comma. Harry On Saturday, May 30, 2026 at 11:18:25 AM UTC-7 geoffr.

May 30

May 26

Discontinuous conveyors

Dear Harry, it often need to model conveyors where parts stop in a certain position and then go back.

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Discontinuous conveyors

Dear Harry, it often need to model conveyors where parts stop in a certain position and then go back.

May 26

Lorenzo Ferro, Harry King2

May 22

An helper for inserting new Components

Hi Lorenzo, The 'Create Entity Links' button is intended to create the links between object

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An helper for inserting new Components

Hi Lorenzo, The 'Create Entity Links' button is intended to create the links between object

May 22

Lorenzo Ferro, … Harry King12

May 22

3D Animation example with Blender

Thanks, Lorenzo! That is a very good example of animation in JaamSim. The Blender file will be a big

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3D Animation example with Blender

Thanks, Lorenzo! That is a very good example of animation in JaamSim. The Blender file will be a big

May 22

Lorenzo Ferro, Harry King4

May 20

Color issue with SetGraphics

Sera Harry, Thank you for providing a solution. Programmatic solutions are always much welcome since

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Color issue with SetGraphics

Sera Harry, Thank you for providing a solution. Programmatic solutions are always much welcome since

May 20

Apr 27

JaamSim 2026-03 released

Changes in release 2026-03: Point-of-Interest. Zooming and orbiting actions with the mouse are

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JaamSim 2026-03 released

Changes in release 2026-03: Point-of-Interest. Zooming and orbiting actions with the mouse are

Apr 27

WILLIAN SATOSHI YAMAUTI

Apr 23

Modeling bottlenecks in a conveyor roller production line in JaamSim

Hi everyone, I'm currently building a JaamSim model for a conveyor roller manufacturing system on

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Modeling bottlenecks in a conveyor roller production line in JaamSim

Hi everyone, I'm currently building a JaamSim model for a conveyor roller manufacturing system on

Apr 23

Apr 22

Statistics Cycle, Server & Queue Time

Dear Community, I like to calculate the cycle times for different systems. Using the SimEntity (

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Statistics Cycle, Server & Queue Time

Dear Community, I like to calculate the cycle times for different systems. Using the SimEntity (

Apr 22

Apr 17

JaamSim 2026-02 released

Changes in release 2026-02: Optimisations for Java 25. The software has been optimised for use with

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JaamSim 2026-02 released

Changes in release 2026-02: Optimisations for Java 25. The software has been optimised for use with

Apr 17

Apr 16

SampleValue in Simulation

I forgot to upload a photo. Sorry El miércoles, 15 de abril de 2026 a la(s) 1:15:52 pm UTC-3, Juan

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SampleValue in Simulation

I forgot to upload a photo. Sorry El miércoles, 15 de abril de 2026 a la(s) 1:15:52 pm UTC-3, Juan

Apr 16

Apr 7

Hi, The diagram shows a production flow starting from Assy A with a cycle time of 150 seconds and 95%

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Hi, The diagram shows a production flow starting from Assy A with a cycle time of 150 seconds and 95%

Apr 7

Mar 31

Bug with Resources & Batching

Hello, I believe I've found a bug related to resource seize/release/packing/unpacking. I'm

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Bug with Resources & Batching

Hello, I believe I've found a bug related to resource seize/release/packing/unpacking. I'm

Mar 31

Harry King, LB2

Mar 31

KeywordList input

thank you. I had tried this before, but what I didn't understand was how to input a time value in

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KeywordList input

thank you. I had tried this before, but what I didn't understand was how to input a time value in

Mar 31

Peter Stumpf, Harry King2

Mar 30

UnitDelay - Triggered by Event, instead of fixed Controller-Input?

Peter, Values can be stored and updated using attributes and the Assign object. You may need to use

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UnitDelay - Triggered by Event, instead of fixed Controller-Input?

Peter, Values can be stored and updated using attributes and the Assign object. You may need to use

Mar 30

MARIA CLARA RODRIGUES DIAS, Harvey Harrison2

Mar 4

Suggestion: Enable multi-item selection, copy, and paste

With respect to the repeated structures, I think the intention is to continue to improve the submodel

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Suggestion: Enable multi-item selection, copy, and paste

With respect to the repeated structures, I think the intention is to continue to improve the submodel

Mar 4

felipe ruckert, Harry King2

Feb 25

The play button is very close to the "create new file" button.

You don't lose your progress if you accidentally click the New button. Multiple models can be

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The play button is very close to the "create new file" button.

You don't lose your progress if you accidentally click the New button. Multiple models can be

Feb 25

Martin Madaj, Harry King7

Feb 25

Alignment ignored if Accumulating is TRUE?

Hi Harry, Yes, I've seen the release notes. The alignment options are more intuitive and

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Alignment ignored if Accumulating is TRUE?

Hi Harry, Yes, I've seen the release notes. The alignment options are more intuitive and

Feb 25

Laurent Cormerais, Harry King3

Feb 24

Entities speed variation on a conveyor

Hi Laurent, Release 2026-01 includes a new output 'PresentTravelTime' for EntityConveyor.

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Entities speed variation on a conveyor

Hi Laurent, Release 2026-01 includes a new output 'PresentTravelTime' for EntityConveyor.

Feb 24

Feb 24

JaamSim 2026-01 released

Changes in release 2026-01: Outputs for Model Inputs. All model inputs now have a corresponding

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JaamSim 2026-01 released

Changes in release 2026-01: Outputs for Model Inputs. All model inputs now have a corresponding

Feb 24

Stephan Eibl, Harry King6

Feb 20

JaamSim and Geographic Information System (GIS)

Thanks Harry ! d.harr...@gmail.com schrieb am Mittwoch, 18. Februar 2026 um 22:16:17 UTC+1:

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JaamSim and Geographic Information System (GIS)

Thanks Harry ! d.harr...@gmail.com schrieb am Mittwoch, 18. Februar 2026 um 22:16:17 UTC+1:

Feb 20

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