ProjectChrono

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Welcome to the group of Project Chrono developers.

Use this group to exchange ideas, comments and bugs with other developers
of Project Chrono, including C++ issues, planned features, etc.

You can use the web interface at http://groups.google.com or you can directly
email your message to projectchrono@googlegroups.com

More information at:
http://www.projectchrono.org

0 selected

dummifiedme, … Radu Serban7

10:07 AM

Given up on installation.

Hello Thanks Radu for the reply. It cleared a lot of my confusion. I installed pyChrono from source

unread,

Given up on installation.

Hello Thanks Radu for the reply. It cleared a lot of my confusion. I installed pyChrono from source

10:07 AM

5:53 AM

what is the proper step size for vehicle simulation?

Hello, I am doing vehicle simulation with sedan vehicle. A const motor torque was applied to the

unread,

what is the proper step size for vehicle simulation?

Hello, I am doing vehicle simulation with sedan vehicle. A const motor torque was applied to the

5:53 AM

David Anderson, … Alessandro TASORA3

Aug 12

Very slow FEA integration relative to other codes

Dear David, I suspect that the slow performance is caused, among other things, by the fact that you

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Very slow FEA integration relative to other codes

Dear David, I suspect that the slow performance is caused, among other things, by the fact that you

Aug 12

Qihan Xuan, … Radu Serban4

Aug 12

how to continue the simulation from the last time it ended?

Qihan, A word of caution about the WriteCheckpoint and ReadCheckpoint functions that Luning mentioned

unread,

how to continue the simulation from the last time it ended?

Qihan, A word of caution about the WriteCheckpoint and ReadCheckpoint functions that Luning mentioned

Aug 12

Alex Teti, Radu Serban3

Aug 12

Issues building OpenCASCADE

Alex, that is indeed the case. OpenCascade changed its API in 7.5 and the Chrono interface still uses

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Issues building OpenCASCADE

Alex, that is indeed the case. OpenCascade changed its API in 7.5 and the Chrono interface still uses

Aug 12

Sanskruti Jadhav, Radu Serban2

Aug 11

Demo_MTLB_matlab on Linux

The call to the Matlab engine where “-automation” is passed is at line 26 of the file ChMatlabEngine.

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Demo_MTLB_matlab on Linux

The call to the Matlab engine where “-automation” is passed is at line 26 of the file ChMatlabEngine.

Aug 11

Trinidad Mcdavids, Wei Hu9

Aug 11

Flexible Ball Impacting Water Surface

Hi Trinidad, Thanks for the mesh file, but I'm not sure if the quad element is Ok or not, I'

unread,

Flexible Ball Impacting Water Surface

Hi Trinidad, Thanks for the mesh file, but I'm not sure if the quad element is Ok or not, I'

Aug 11

Geoffroy ALEXANDRE, David Anderson2

Aug 9

Exception thrown when initializing ChLinkMotor in debug mode but not in release

Hi Geoffroy, I hope that you've already worked this out, but I ran into the same problem and am

unread,

Exception thrown when initializing ChLinkMotor in debug mode but not in release

Hi Geoffroy, I hope that you've already worked this out, but I ran into the same problem and am

Aug 9

Alex Teti, Wei Hu3

Aug 8

How to model combustion/gas piston?

Ok, I'll try and figure something out then. Thanks for linking to the paper, it was really

unread,

How to model combustion/gas piston?

Ok, I'll try and figure something out then. Thanks for linking to the paper, it was really

Aug 8

David Vieira, Radu Serban2

Aug 8

ChronoProject website down ?

David, that's correct. We're working on fixing this. --Radu From: projectchrono@googlegroups.

unread,

ChronoProject website down ?

David, that's correct. We're working on fixing this. --Radu From: projectchrono@googlegroups.

Aug 8

Aug 4

No module named 'pychrono.irrlicht'

Hello everyone, I was trying to run a tutorial code and it failed with an error: Traceback (most

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No module named 'pychrono.irrlicht'

Hello everyone, I was trying to run a tutorial code and it failed with an error: Traceback (most

Aug 4

Dummy ME, alessand...@unipr.it3

Aug 4

[Newbie] Migration from Adams

Hi Alessandro, Thanks for the reply. As for the beam, I understand it would be possible to use FE

unread,

[Newbie] Migration from Adams

Hi Alessandro, Thanks for the reply. As for the beam, I understand it would be possible to use FE

Aug 4

Aug 3

draw path lines

Hello everyone, Does anyone know how to draw path lines from a specified (x, y, z) points coordinates

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draw path lines

Hello everyone, Does anyone know how to draw path lines from a specified (x, y, z) points coordinates

Aug 3

Shubhankar Kulkarni, Radu Serban5

Aug 3

Skid steer simulation

Shubhankar, There is no “API” for that. You will need to implement your own template for a custom

unread,

Skid steer simulation

Shubhankar, There is no “API” for that. You will need to implement your own template for a custom

Aug 3

Alex Teti, Radu Serban2

Aug 3

What is all the stuff in the GitHub repository?

Alex, Are you looking for something more than what's at https://api.projectchrono.org/? What kind

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What is all the stuff in the GitHub repository?

Alex, Are you looking for something more than what's at https://api.projectchrono.org/? What kind

Aug 3

Camille Chauvigné, Radu Serban2

Aug 3

Question about ChLoad with force and torque applied to a body

Camille, We could certainly add such a body load class, but it is also straightforward for you to

unread,

Question about ChLoad with force and torque applied to a body

Camille, We could certainly add such a body load class, but it is also straightforward for you to

Aug 3

Camille Chauvigné, … Radu Serban4

Aug 3

Reduction of CPU time with SIMD option

Camille, It is likely that the issues you are seeing are due to misaligned memory in your classes/

unread,

Reduction of CPU time with SIMD option

Camille, It is likely that the issues you are seeing are due to misaligned memory in your classes/

Aug 3

Alex Teti, … Freya the Goddess7

Aug 2

Eigen3 website down; where to get Eigen?

Sorry for that, I do not use Windows for years, I thought that Windows can't use tar.gz Le lun. 1

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Eigen3 website down; where to get Eigen?

Sorry for that, I do not use Windows for years, I thought that Windows can't use tar.gz Le lun. 1

Aug 2

Jul 29

Questions on motors

Hi, I am using a rotational motor to connect the stator and rotor. Unlike what the demo_IRR_motors,

unread,

Questions on motors

Hi, I am using a rotational motor to connect the stator and rotor. Unlike what the demo_IRR_motors,

Jul 29

Iason Manolas, alessand...@unipr.it3

Jul 28

Linking IGA beam elements

Hi, in fact you are right, an equivalent builder function (with pointers to end nodes) is not

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Linking IGA beam elements

Hi, in fact you are right, an equivalent builder function (with pointers to end nodes) is not

Jul 28

Mohammad Wasfi, … Ruochun Zhang20

Jul 26

Hi Mohammad, I talked about how the cohesion model (and its constant cohesion ratio) in current

unread,

Hi Mohammad, I talked about how the cohesion model (and its constant cohesion ratio) in current

Jul 26

Jul 26

for folks using Chrono at Arizona State University (ASU)

Hi Chrono Friends, The PhD student working on the GPU implementation of Chrono::Granular will be on

unread,

for folks using Chrono at Arizona State University (ASU)

Hi Chrono Friends, The PhD student working on the GPU implementation of Chrono::Granular will be on

Jul 26

Zuriah Quinton, Freya the Goddess3

Jul 26

Help with expanding Python API to custom C++ library using Project Chrono

Thanks for your reply, I realize my original post could have been more clear--a majority of the

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Help with expanding Python API to custom C++ library using Project Chrono

Thanks for your reply, I realize my original post could have been more clear--a majority of the

Jul 26

sjkc...@ue-eng.co.kr, alessand...@unipr.it2

Jul 25

Archivein error

dear user, the serialization/deserialization of Chrono transient structures via ChArchiveIn/

unread,

Archivein error

dear user, the serialization/deserialization of Chrono transient structures via ChArchiveIn/

Jul 25

Yi Zhong, Ruochun Zhang7

Jul 22

Checkpoint file in GPU module

Yes. It works properly. Thanks, Yi On Friday, July 22, 2022 at 4:44:28 PM UTC-7 Ruochun Zhang wrote:

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Checkpoint file in GPU module

Yes. It works properly. Thanks, Yi On Friday, July 22, 2022 at 4:44:28 PM UTC-7 Ruochun Zhang wrote:

Jul 22

David Reger, Ruochun Zhang3

Jul 18

GPU Module Unexpected Behavior

Hi Ruochun, Thanks for your insight! I suspect that the difference in contact models is likely the

unread,

GPU Module Unexpected Behavior

Hi Ruochun, Thanks for your insight! I suspect that the difference in contact models is likely the

Jul 18

Aswath Narayanan R.R.B na20b009

Jul 18

Query regarding Application of torque on a cylinder

I am passing torque as a sinusoidal curve and the cylinder is also expected to execute simple

unread,

Query regarding Application of torque on a cylinder

I am passing torque as a sinusoidal curve and the cylinder is also expected to execute simple

Jul 18

luis.u....@gmail.com, … Dan Negrut7

Jul 16

[PyChrono] The VRK Project: powered by PyChrono

Luis – thanks for sharing! :-) Dan ------------------------------------------------- Bernard A. and

unread,

[PyChrono] The VRK Project: powered by PyChrono

Luis – thanks for sharing! :-) Dan ------------------------------------------------- Bernard A. and

Jul 16

Tristan Griffith, Alessandro Tasora3

Jul 11

ChBodyAux Error?

Thank you Alessandro, I actually am building the chrono Python modules from the C++ solution as you

unread,

ChBodyAux Error?

Thank you Alessandro, I actually am building the chrono Python modules from the C++ solution as you

Jul 11

Shubhankar Kulkarni, Radu Serban3

Jul 7

Custom Project Macro definition error

Radu, Thanks a lot for pointing me to the solution. I was able to get past the macro errors and get

unread,

Custom Project Macro definition error

Radu, Thanks a lot for pointing me to the solution. I was able to get past the macro errors and get

Jul 7

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