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

Qihan Xuan, Radu Serban3

Dec 7

Error in compiling when using Chrono release 7.0.0

Hi, I have tried to clone and build it again. But it still didn't work. The error is a bit

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Error in compiling when using Chrono release 7.0.0

Hi, I have tried to clone and build it again. But it still didn't work. The error is a bit

Dec 7

Qian Cao, ben...@wisc.edu2

Dec 7

Optional Inputs for ChElementShellBST in PyChrono

Hi Qian, SetNull is a ChVector method that sets x,y,z = 0, so definitely not what you're looking

unread,

Optional Inputs for ChElementShellBST in PyChrono

Hi Qian, SetNull is a ChVector method that sets x,y,z = 0, so definitely not what you're looking

Dec 7

Finbar Argus, Radu Serban7

Dec 7

Three wheeled vehicle

Hi Finbar, The new code I mentioned previously is under chrono_vehicle/cosim/. But that evolved

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Three wheeled vehicle

Hi Finbar, The new code I mentioned previously is under chrono_vehicle/cosim/. But that evolved

Dec 7

BARGHAVA SRI VENKATESH SIVA KUMAR RUTHALA, … luis medina3

Dec 6

Error in installing pychrono

Hi Barghava , Try installing the latest develop version: conda install -c projectchrono/label/develop

unread,

Error in installing pychrono

Hi Barghava , Try installing the latest develop version: conda install -c projectchrono/label/develop

Dec 6

luis.u....@gmail.com, Radu Serban3

Dec 5

License related questions

Radu, Thank you so much for your kind answer and for helping me to ask permission 👍 Regards, Luis El

unread,

License related questions

Radu, Thank you so much for your kind answer and for helping me to ask permission 👍 Regards, Luis El

Dec 5

David Marten, Alessandro Tasora2

Dec 3

Different FEA beam forces/moments between 6.0.0 - 7.0.0

Dear David, On 01/12/2021 12:02, 'David Marten' via ProjectChrono wrote: Dear all, I was

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Different FEA beam forces/moments between 6.0.0 - 7.0.0

Dear David, On 01/12/2021 12:02, 'David Marten' via ProjectChrono wrote: Dear all, I was

Dec 3

Yi Zhong, … Luning Fang9

Dec 2

Effect of contact stiffness in GPU module

Thanks Luning. Really appreciate the quick response. I will take a look at it and keep you updated.

unread,

Effect of contact stiffness in GPU module

Thanks Luning. Really appreciate the quick response. I will take a look at it and keep you updated.

Dec 2

弦子, Radu Serban2

Dec 2

Compression of the cable element

Han, Chrono includes support for cable elements, modeled with ANCF. See https://api.projectchrono.org

unread,

Compression of the cable element

Han, Chrono includes support for cable elements, modeled with ANCF. See https://api.projectchrono.org

Dec 2

Emin Torabi, Alessandro Tasora3

Nov 30

System matrices filled with nan values

dear Alessandro, Thanks a lot for the reply. I simulated 1 timestep and then called the

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System matrices filled with nan values

dear Alessandro, Thanks a lot for the reply. I simulated 1 timestep and then called the

Nov 30

Nov 24

How to obtain/change the dimensions of bodies during simulation

Hi, all, I am new to Chrono and trying to simulate a simple system including several objects of

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How to obtain/change the dimensions of bodies during simulation

Hi, all, I am new to Chrono and trying to simulate a simple system including several objects of

Nov 24

David Vieira, Radu Serban5

Nov 22

ChFunction_Const use

David, Glad to hear you resolved the issue, but I'm not exactly sure I understand what/where the

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ChFunction_Const use

David, Glad to hear you resolved the issue, but I'm not exactly sure I understand what/where the

Nov 22

Dallas Wells, Ruochun Zhang2

Nov 22

Obj Mesh scaling

Hi Dallas, I am not sure about the problem, but can you first make sure you put your new models into

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Obj Mesh scaling

Hi Dallas, I am not sure about the problem, but can you first make sure you put your new models into

Nov 22

Roberto Echeverria2

Nov 22

ChLinkRotSpringCB minimum angle

Hello, In order to add some additional information, I was able to reproduce the effect on the

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ChLinkRotSpringCB minimum angle

Hello, In order to add some additional information, I was able to reproduce the effect on the

Nov 22

Darwin Mick, … Radu Serban8

Nov 22

Building Dev Branch on Linux

Darwin, Could you please confirm or infirm that the fix Colin pushed resolves your issue? Thanks,

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Building Dev Branch on Linux

Darwin, Could you please confirm or infirm that the fix Colin pushed resolves your issue? Thanks,

Nov 22

luis.u....@gmail.com, Alessandro Tasora3

Nov 17

Could a known steady response speed up the Irrlicht application?

Hi Alessandro, Thanks again for taking your time to answer my questions. I already know that I can

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Could a known steady response speed up the Irrlicht application?

Hi Alessandro, Thanks again for taking your time to answer my questions. I already know that I can

Nov 17

Roberto Echeverria, Radu Serban2

Nov 17

Changing color of body during simulation

Roberto, Here's how I would do something like this (using demo_IRR_collision_trimesh.py as an

unread,

Changing color of body during simulation

Roberto, Here's how I would do something like this (using demo_IRR_collision_trimesh.py as an

Nov 17

Roberto Echeverria, Radu Serban3

Nov 16

pychrono: Updating irrlicht GUI elements during simulation

Hello Radu, I understand... I'm a newby in chrono and a semi-newby in python... because of this i

unread,

pychrono: Updating irrlicht GUI elements during simulation

Hello Radu, I understand... I'm a newby in chrono and a semi-newby in python... because of this i

Nov 16

Roberto Echeverria, Radu Serban3

Nov 16

AddLightWithShadows produces black screen

Great! I installed the directX runtime and it is now running with shadows. Thanks and kind regards

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AddLightWithShadows produces black screen

Great! I installed the directX runtime and it is now running with shadows. Thanks and kind regards

Nov 16

André Marinho, ben...@wisc.edu3

Nov 15

Question regarding namespace and shared pointers in pychrono

Hi Simon, Thank you for wrapping the missing load. I am alrealdy using it, and so far works as

unread,

Question regarding namespace and shared pointers in pychrono

Hi Simon, Thank you for wrapping the missing load. I am alrealdy using it, and so far works as

Nov 15

Nov 12

Hi, I get the following error when I use PovRay in my code: libc++abi.dylib: terminating with

unread,

Hi, I get the following error when I use PovRay in my code: libc++abi.dylib: terminating with

Nov 12

Thorsten Wittenator

Nov 11

What would be the best way to model aerodynamic downforce?

I am currently evaluating whether Chrono could be used for autonomous race car simulations. I saw

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What would be the best way to model aerodynamic downforce?

I am currently evaluating whether Chrono could be used for autonomous race car simulations. I saw

Nov 11

Shree Ram Sigdel, Radu Serban2

Nov 11

ModuleNotFoundError: No module named 'pychrono.irrlicht' & error running demo_CH_buildsystem.py

Regarding your second issue: You are using an older version of PyChrono but apparently try to run

unread,

ModuleNotFoundError: No module named 'pychrono.irrlicht' & error running demo_CH_buildsystem.py

Regarding your second issue: You are using an older version of PyChrono but apparently try to run

Nov 11

luis.u....@gmail.com, ben...@wisc.edu5

Nov 10

[PyChrono] bundling a script into a single package

Hi Simon, Just an update: After several attempts, I found (well, I believe that) how to get a single

unread,

[PyChrono] bundling a script into a single package

Hi Simon, Just an update: After several attempts, I found (well, I believe that) how to get a single

Nov 10

André Marinho, Alessandro Tasora3

Nov 10

Creating constraints between node and body

Dear Alessandro, The error was in the way I initialized my ChNodeFEAxyzrot. The ChLinkMateGeneric

unread,

Creating constraints between node and body

Dear Alessandro, The error was in the way I initialized my ChNodeFEAxyzrot. The ChLinkMateGeneric

Nov 10

Nov 9

Problem with writing PovRay output files in docker

Hi, I am using multicore module on the docher image. I get the following error when I try to write

unread,

Problem with writing PovRay output files in docker

Hi, I am using multicore module on the docher image. I get the following error when I try to write

Nov 9

NumeRe, Radu Serban5

Nov 9

Linker issues debug build

If you are interested in contributing this back to the project, please submit a pull request from

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Linker issues debug build

If you are interested in contributing this back to the project, please submit a pull request from

Nov 9

Tianyuan, … Manuel Gonzalez11

Nov 8

PardisoMKL solver setup failed

I confirm that your fix solved the issue for me (develop branch on Ubuntu 20.04 LTS). Thank you so

unread,

PardisoMKL solver setup failed

I confirm that your fix solved the issue for me (develop branch on Ubuntu 20.04 LTS). Thank you so

Nov 8

Roberto Echeverria, Radu Serban3

Nov 8

Body position constrained by ChLinkTSDA spring rest length

Goog morning Radu and thanks for your answer as it was exactly what was happening. The damping

unread,

Body position constrained by ChLinkTSDA spring rest length

Goog morning Radu and thanks for your answer as it was exactly what was happening. The damping

Nov 8

Yi Zhong, Ruochun Zhang4

Nov 3

GPU module rolling friction

Hi Yi,, Oh, because the repose demo is re-designed in this upcoming Chrono release and I am looking

unread,

GPU module rolling friction

Hi Yi,, Oh, because the repose demo is re-designed in this upcoming Chrono release and I am looking

Nov 3

Roberto Echeverria, Radu Serban4

Nov 2

Writing info in irrlicht window

Dear Radu, With regard to addidng text in the irrlicht environment... I can't find how to update

unread,

Writing info in irrlicht window

Dear Radu, With regard to addidng text in the irrlicht environment... I can't find how to update

Nov 2

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