Re: [Yade-users] [Question #701313]: multithreading problem

2022-04-28 Thread Launchpad Janitor
Question #701313 on Yade changed:
https://answers.launchpad.net/yade/+question/701313

Status: Open => Expired

Launchpad Janitor expired the question:
This question was expired because it remained in the 'Open' state
without activity for the last 15 days.

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Re: [Yade-users] [Question #701313]: multithreading problem

2022-04-12 Thread Zhicheng Gao
Question #701313 on Yade changed:
https://answers.launchpad.net/yade/+question/701313

Status: Answered => Open

Zhicheng Gao is still having a problem:
Hi Robert,
Thank you for your reply. 
When I reload the file, I remove the FolwEngine from the O.engine list before 
running the simulation, and the simulation can run but with the above warning, 
does this affect the correctness of the simulation?

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Re: [Yade-users] [Question #701313]: multithreading problem

2022-04-12 Thread Robert Caulk
Question #701313 on Yade changed:
https://answers.launchpad.net/yade/+question/701313

Status: Open => Answered

Robert Caulk proposed the following answer:
Hello,

FlowEngine cannot be saved and reloaded. The triangulation and all
associated data are lost as soon as the simulation is killed.

Cheers,

Robert

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[Yade-users] [Question #701313]: multithreading problem

2022-04-12 Thread Zhicheng Gao
New question #701313 on Yade:
https://answers.launchpad.net/yade/+question/701313

Hello everyone,
I use Yade's DEM-PFV method to simulate the erosion process, using 
multi-threaded calculation, and constantly delete some eroded particles in this 
process. Save the state file when the erosion lasts for a certain time, and 
then I study these States by reloading these state files and conducting a 
triaxial compression experiment.  However, the  following warning appears:

WARN  /build/yade-fDuCoe/yade-2018.02b/pkg/common/InsertionSortCollider.cpp:76 
insertionSortParallel: Parallel insertion: only 6 thread(s) used. The number of 
bodies is probably too small for allowing more threads, or the geometry is 
flat. The contact detection should succeed but not all available threads are 
used.

However, this warning appears even when using less than 6 threads or just one 
thread as suggested by this warning. How to solve this problem, will this 
affect the correctness of the simulation results?

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