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[Ziyu Wang <question699072@xxxxxxxxxxxxxxxxxxxxx>]

Question #699072 on Yade changed:
https://answers.launchpad.net/yade/+question/699072

Description changed to:
Dear all,
As discussed in [1],I have installed the Source code and use the yade-2021-03-16.git-61c9069.I ran the script in example/thermalengine and found some new problems after my changes.
The thermoHydroMechanical_coupling.py and flowScenario.py can run as expected.The problem is mainly in noFlowScenario.py.
1.When I run the original script (unchanged), the problem is the same as before: plot is blank and body.State.Temp = Nan.
2.My changes to the script are as follows:

>>#sp = O.bodies.append(ymport.textExt('5cmEdge_1mm.spheres', 'x_y_z_r',color=(0.1,0.1,0.9), material='spheres'))
sp=pack.SpherePack()
sp.makeCloud(mn,mx,rMean=0.0015,rRelFuzz=0.333,num=100,seed=1) 
sp.toSimulation(color=(0.752, 0.752, 0.752),material='spheres')
(That is, change the way the sphere is generated,this is the only change)

Then I ran the script again and was surprised to find that the simulation ran successfully as expected.
However,I changed the num in makeCloud and found the bad thing:when the num=300,the problem mentioned above reappears:plot is blank and body.State.Temp = Nan...
I also tried using randomDensePack,and the problem is the same.
So I guess the problem has something to do with the number of spheres?

The following is the version information in printAllVersions()

Yade version   :  2021-03-16.git-61c9069
Yade features  :  BoostLog RealHP mpmath PrecisionDouble Odeint VTK OpenMP GTS GUI-Qt5 CGAL PFVFLOW PFVFLOW LINSOLV MPI TWOPHASEFLOW FEMLIKE GL2PS LBMFLOW THERMAL PARTIALSAT PotentialParticles PotentialBlocks
Yade config dir:  ~/.yade-2021-03-16.git-61c9069
Yade precision :  53 bits, 15 decimal places, with mpmath
Yade RealHP<…> :  (15, 33, 45, 60, 120, 150, 300) decimal digits in C++, (15, 33) decimal digits accessible from python
```

Libraries used :

| library       | cmake                | C++                |
| ------------- | -------------------- | ------------------ |
| boost         | 107100               | 1.71.0             |
| cgal          |                      | 5.1.5              |
| clp           | 1.17.5               | 1.17.5             |
| cmake         | 3.16.3               |                    |
| coinutils     | 2.11.4               | 2.11.4             |
| compiler      | /usr/bin/c++ 9.3.0   | gcc 9.3.0          |
| eigen         | 3.3.7                | 3.3.7              |
| freeglut      | 2.8.1                |                    |
| gl            |                      | 20190805           |
| ipython       | 7.13.0               |                    |
| metis         |                      | 5.1.0              |
| mpi           | 3.1                  | ompi:4.0.3         |
| mpi4py        | 3.0.3                |                    |
| mpmath        | 1.1.0                |                    |
| openblas      |                      |  OpenBLAS 0.3.8    |
| python        | 3.8.10               | 3.8.10             |
| qglviewer     |                      | 2.6.3              |
| qt            |                      | 5.12.8             |
| sphinx        | 1.8.5-final-0        |                    |
| sqlite        |                      | 3.31.1             |
| suitesparse   | 5.7.1                | 5.7.1              |
| vtk           | 6.3.0                | 6.3.0              |

```
Linux version  :  Ubuntu 20.04.3 LTS
Architecture   :  amd64
Little endian  :  True

Thanks for your help!
Best regards.

[1]https://answers.launchpad.net/yade/+question/698830

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