Hi, Ruochun
1. If so many spherical particle templates are created, will it
affect the calculation speed?
2. If I have particles with multiple particle size ranges, such as [2
mm, 4mm], [4 mm, 6 mm], [6 mm, 8 mm], how can I group the particles based
on their particle size ranges?
Thank you
Wenxuan
在2024年9月12日星期四 UTC+8 08:18:51<Ruochun Zhang> 写道：
> Hi Wenxuan,
>
> You can use DEMdemo_BallDrop.cpp
> <https://github.com/projectchrono/DEM-Engine/blob/main/src/demo/DEMdemo_BallDrop.cpp>
> as
> an example and starting point. There, I created 11 templates with diameters
> ranging from 0.25cm to 0.35cm, then when instantiating particles, they
> randomly took one of the 11 templates. This is usually enough for emulating
> a size distribution.
>
> However, if you want "truly random" distribution in the range of [8 mm,
> 12mm], then you probably just have to generate random floating numbers in
> this range, then create a sphere template based on this number, then create
> a particle using this template, then repeat the process. In the end, you
> will have as many templates as particles, and each of them is different.
> DEME should support this as well (and if it complains, please let me know).
> From the simulation physics point of view, this is likely an overkill.
>
> Thank you,
> Ruochun
>
> On Wednesday, September 11, 2024 at 10:26:07 AM UTC+8 [email protected]
> wrote:
>
>> Hi, Ruochun
>>
>> I got a sphere particle template through the LoadSphereType
>> function. The diameter of the sphere particle template is 10 mm. How can I
>> add particles with a diameter randomly distributed in the range of [8 mm,
>> 12mm] based on this spherical particle template?
>>
>> Best regards
>> Wenxuan XU
>>
>
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