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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
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projectchrono@googlegroups.com
More information at:
http://www.projectchrono.org
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Zero
, …
Dan Negrut
12
9:21 AM
Does Chrono have an MPM algorithm?
Hi,Dear The error I encountered after enabling CH_USE_SENSOR_NVDB previously seems to be a version
unread,
Does Chrono have an MPM algorithm?
Hi,Dear The error I encountered after enabling CH_USE_SENSOR_NVDB previously seems to be a version
9:21 AM
Aleksandr Prokhorov
, …
dr.ratz...@gmail.com
5
4:28 AM
ChVisualSystemVSG
Thank you for the idea! I will try to use it! On Thursday, May 28, 2026 at 7:31:37 AM UTC+2 dr.ratz..
unread,
ChVisualSystemVSG
Thank you for the idea! I will try to use it! On Thursday, May 28, 2026 at 7:31:37 AM UTC+2 dr.ratz..
4:28 AM
Yang Kang Chua
,
Radu Serban
3
May 21
Question on extracting suspension hardpoint forces in Chrono (HMMWV model)
I forgot to mention the most straightforward approach: replacing the kinematic joints with bushings.
unread,
Question on extracting suspension hardpoint forces in Chrono (HMMWV model)
I forgot to mention the most straightforward approach: replacing the kinematic joints with bushings.
May 21
Christian Lipp
,
Radu Serban
3
May 21
Output names are different depending on configuration
Hello Radu, thank you for the clarification! Kind regards, Christian Am 20.05.2026 um 21:55 schrieb
unread,
Output names are different depending on configuration
Hello Radu, thank you for the clarification! Kind regards, Christian Am 20.05.2026 um 21:55 schrieb
May 21
Jose
,
Radu Serban
2
May 20
Is there a bug in Python ChLinkLockPointLine?
Jose, There is really no “standard” among MBD solvers, as each is free to adopt whatever convention
unread,
Is there a bug in Python ChLinkLockPointLine?
Jose, There is really no “standard” among MBD solvers, as each is free to adopt whatever convention
May 20
M. Pereira
, …
Radu Serban
3
May 20
Detent Mechanism with ChRSDA issue
As Dan suggested, the best way to get help on such issues is to provide a simple reproducible example
unread,
Detent Mechanism with ChRSDA issue
As Dan suggested, the best way to get help on such issues is to provide a simple reproducible example
May 20
oğuzhan gültekin
,
Radu Serban
2
May 20
DEM multi-sphere
Oguzhan, The Chrono::DEM module in the Chrono repository only works with monodisperse spherical
unread,
DEM multi-sphere
Oguzhan, The Chrono::DEM module in the Chrono repository only works with monodisperse spherical
May 20
Shlomo
,
Jose
2
May 19
Feedback wanted: Chrono adapter boundary for an open-source CAE application layer
Hello Shlomo. I have read your project design. It is very interesting to me, because we are working
unread,
Feedback wanted: Chrono adapter boundary for an open-source CAE application layer
Hello Shlomo. I have read your project design. It is very interesting to me, because we are working
May 19
sumaya
,
Ruochun Zhang
5
May 1
DEM_wheelDP_simplifed_low DP forces at 50%slip
Hi Sumaya, The questions you have here are all DEM simulation questions rather than DEME questions.
unread,
DEM_wheelDP_simplifed_low DP forces at 50%slip
Hi Sumaya, The questions you have here are all DEM simulation questions rather than DEME questions.
May 1
Roger Bergua
, …
alvaro diaz
5
Apr 20
Timoshenko beams issue
Dear Alessandro, My name is Alvaro and I am currently working with Radu in an NLR project. I have
unread,
Timoshenko beams issue
Dear Alessandro, My name is Alvaro and I am currently working with Radu in an NLR project. I have
Apr 20
Thomas Caleb
,
Alessandro Tasora
3
Apr 16
Issues with BST shell elements
Ciao Alessandro, Thank you for you reply. The mass problem is indeed strange, I tried to look it up
unread,
Issues with BST shell elements
Ciao Alessandro, Thank you for you reply. The mass problem is indeed strange, I tried to look it up
Apr 16
Mariah A.P.
,
Dan Negrut
5
Apr 13
Contact formulation on collision
Yes it is for a watch mechanism. It's a "finger" that pushes a disc foward. I will
unread,
Contact formulation on collision
Yes it is for a watch mechanism. It's a "finger" that pushes a disc foward. I will
Apr 13
Mariah A.P.
Apr 13
Stability issues with small parts (watch simulation)
Hi everyone, I'm trying to simulate the functioning of a wristwatch, but I'm running into
unread,
Stability issues with small parts (watch simulation)
Hi everyone, I'm trying to simulate the functioning of a wristwatch, but I'm running into
Apr 13
Shahriar Karim Shafin
, …
Ruochun Zhang
17
Apr 10
Triaxial Compression Test in DEM Engine
Hi Shahriar, As Dan said, this is indeed caused by GPU floating-point non-associativity and this
unread,
Triaxial Compression Test in DEM Engine
Hi Shahriar, As Dan said, this is indeed caused by GPU floating-point non-associativity and this
Apr 10
Radu Serban
Mar 26
Release 10.0.0
We just released version 10.0.0 of the Chrono software. The source for this release is in the release
unread,
Release 10.0.0
We just released version 10.0.0 of the Chrono software. The source for this release is in the release
Mar 26
Brock Birdsong
, …
Bocheng Zou
3
Mar 23
Cascade Step File Demo
Hi Brock, Unfortunately, we decided not to include the cascade support for the upcoming Chrono 10
unread,
Cascade Step File Demo
Hi Brock, Unfortunately, we decided not to include the cascade support for the upcoming Chrono 10
Mar 23
Alex Smofan
,
Radu Serban
2
Mar 20
How to set Chrono mu(I) rheology parameters (e.g., average_diam, mu_fric_s) for granular flow in DualSPHysics?
CRM (and the mu(I) rheology) is a feature of Chrono::SPH. That has nothing to do with DualSPHysics!
unread,
How to set Chrono mu(I) rheology parameters (e.g., average_diam, mu_fric_s) for granular flow in DualSPHysics?
CRM (and the mu(I) rheology) is a feature of Chrono::SPH. That has nothing to do with DualSPHysics!
Mar 20
Leah Richard
, …
Patrick CHEN
3
Mar 19
Vulkan/VSG fails inside Docker on WSL2/WSLg: vkCreateInstance
Hello Leah, This is a WSL2 issue(and is Windows enviornment and WSL2 version dependent), there are
unread,
Vulkan/VSG fails inside Docker on WSL2/WSLg: vkCreateInstance
Hello Leah, This is a WSL2 issue(and is Windows enviornment and WSL2 version dependent), there are
Mar 19
Aleksandr Prokhorov
,
Patrick CHEN
2
Mar 19
building ROS module
Hi Alex, Sorry for the late reply. We are aware of this bug, and please expect a fix in the very
unread,
building ROS module
Hi Alex, Sorry for the late reply. We are aware of this bug, and please expect a fix in the very
Mar 19
Brock Birdsong
,
Bocheng Zou
2
Mar 17
Error running vehicle demos
Hi Brock, Please note that those demo has been heavily updated. Please obtain those demos from the
unread,
Error running vehicle demos
Hi Brock, Please note that those demo has been heavily updated. Please obtain those demos from the
Mar 17
mahsun bingöl
Mar 17
Give advice to a beginner for build 3 wheeled narrow tilting vehicle
Hello friends, I am a new Chrono user. I want to build 3 wheeled narrow tilting vehicle in Chrono
unread,
Give advice to a beginner for build 3 wheeled narrow tilting vehicle
Hello friends, I am a new Chrono user. I want to build 3 wheeled narrow tilting vehicle in Chrono
Mar 17
JC Denton
,
Radu Serban
2
Mar 16
Height functors with Rigid Terrain + Rigid Tire
Hi JC, A ChRigidTire leverages the Chrono collision and contact systems. As such, it can only
unread,
Height functors with Rigid Terrain + Rigid Tire
Hi JC, A ChRigidTire leverages the Chrono collision and contact systems. As such, it can only
Mar 16
Dinesh M
, …
Bocheng Zou
7
Mar 13
Modelling the intensity returns of lidar sensor
Hi August, I hope this email finds you well. Please note that the interface SetLidarIntensity /
unread,
Modelling the intensity returns of lidar sensor
Hi August, I hope this email finds you well. Please note that the interface SetLidarIntensity /
Mar 13
TudorMiron
,
Radu Serban
2
Mar 12
Fix for transparency rendering bugs in chrono_vsg (ShaderUtils.cpp)
Hi Tudor, We did notice issues with rendering transparent objects with Chrono::VSG but didn't
unread,
Fix for transparency rendering bugs in chrono_vsg (ShaderUtils.cpp)
Hi Tudor, We did notice issues with rendering transparent objects with Chrono::VSG but didn't
Mar 12
Antoine Laborde
,
Radu Serban
4
Mar 6
Collision detection at different scales
Yes, that is correct. Whatever units you are using, you just need to ensure that they are consistent.
unread,
Collision detection at different scales
Yes, that is correct. Whatever units you are using, you just need to ensure that they are consistent.
Mar 6
Leen
,
Ruochun Zhang
2
Mar 6
Scale consistency on coupling SMC and DEM
Hi Leen, Chrono is dimensionless. There's no assumed unit system. So you need to make sure to use
unread,
Scale consistency on coupling SMC and DEM
Hi Leen, Chrono is dimensionless. There's no assumed unit system. So you need to make sure to use
Mar 6
Haifei Chen
Mar 5
Mode shape of a 3D beam
Hi all, I'm trying to do a modal analysis for a beam restrained in y-direction for all nodes and
unread,
Mode shape of a 3D beam
Hi all, I'm trying to do a modal analysis for a beam restrained in y-direction for all nodes and
Mar 5
Faisal Hafizh
,
Radu Serban
2
Mar 4
Generating CRG Roads
This is not really a Chrono question, but rather an OpenCRG one. Yes, you can use the OpenCRG library
unread,
Generating CRG Roads
This is not really a Chrono question, but rather an OpenCRG one. Yes, you can use the OpenCRG library
Mar 4
Zero
,
Radu Serban
2
Mar 4
Compilation issue with the Chrono::sensor module
Are you using the correct version of OptiX? We are now requiring OptiX > 9.0 (see https://api.
unread,
Compilation issue with the Chrono::sensor module
Are you using the correct version of OptiX? We are now requiring OptiX > 9.0 (see https://api.
Mar 4
Simon T
Mar 3
Speeding Up Vehicle Simulations
Hi, We have been looking into Project Chrono as an alternative physics engine to what we currently
unread,
Speeding Up Vehicle Simulations
Hi, We have been looking into Project Chrono as an alternative physics engine to what we currently
Mar 3