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[Nima Goudarzi <question647543@xxxxxxxxxxxxxxxxxxxxx>]

Question #647543 on Yade changed:
https://answers.launchpad.net/yade/+question/647543

    Status: Answered => Open

Nima Goudarzi is still having a problem:
Hi Jan,

Thanks so very much for the reply. I think I should proceed gradually.
As the first step, I am trying to  write a new Material (let's say the
name is JiangMat) to include the parameters I explained in my previous
email. I will use FrictMat would be a good base class for this new
material. Some of this parameters incorporate on calculations of
stiffness coefficients and some will contribute to calculate contact and
damping responses. Once I calculated the stiffness coefficients, I will
pass them to my Iphys.

This is my specific question as the first step
1- can I write a new material (entitled JiangMat) with the base class FrictMat and include all explained parameters in it? In HM, they have used FrictMat directly since they only needed E, Friction Angle and Poisson Ratio for calculating coefficients of stiffness. 

If possible would you please take a quick look at the paper (page 153
includes the summary of the model) for helping me if I can introduce all
parameters in JiangMat. I have explained about all the parameters in the
previous email.

Thanks so much for your patience and support

Nima


 


Sent from my iPhone

> On Jul 12, 2017, at 4:08 AM, Jan Stránský <question647543@xxxxxxxxxxxxxxxxxxxxx> wrote:
> 
> Your question #647543 on Yade changed:
> https://answers.launchpad.net/yade/+question/647543
> 
>    Status: Open => Answered
> 
> Jan Stránský proposed the following answer:
> Hi Nima,
> 
> 1,2,4) If I understood correctly, you have new parameters of material, new parameters to be stored on contacts and new material model. So most likely you will need new Material, IPhys, Ip2 and Law2 classes.
> Theoretically, new material parameters can be part of Ip2 and are set to IPhys by it, so you can save creating a new material, but the material is the easiest part of the implementation :-)
> After detailed analysis, you might discover that some classes don't need to be created new, but in general you need 4 new classes.
> 
> 3) These features are optional, so you don't need to include them. But
> they might be useful
> 
> cheers
> Jan
> 
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