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How can I determine the contact points in each agglomerate?

User: "Fatemeh Hosseini_22198"
Altair Community Member
Updated by Fatemeh Hosseini_22198

Hello everyone,
I want to calculate the collision efficiency. I have the total number of collisions in EDEM.
I also have each agglomerate's info and location. 
For instance, I am aware of the number of primary particles and their positions in each agglomerate.
In order to achieve collision efficiency, I want to calculate the contact point in each agglomerate. 

for example in both cases below(please see the attached picture) there are 3-particle agglomerates but in one of the the contact point is 2 and in the other, it is three.

Would you kindly advise me in this area?

imageimage

Regards,
Fatemeh

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    User: "Stephen Cole"
    Altair Employee
    Updated by Stephen Cole

    Hi Fatemeh,


    The contact position is available in EDEM, if you are using EDEMpy you can look at the contacts.getPositions() function for this or in the EDEM Analyst > File > Export results data you can also export the contact Position.

     

    Regards

    Stephen

    User: "Fatemeh Hosseini_22198"
    Altair Community Member
    OP
    Updated by Fatemeh Hosseini_22198

    Hi Fatemeh,


    The contact position is available in EDEM, if you are using EDEMpy you can look at the contacts.getPositions() function for this or in the EDEM Analyst > File > Export results data you can also export the contact Position.

     

    Regards

    Stephen

    Thanks for your response Stephen,
    I got the position of contact and collision from the Export results data.
    I thought collision data should be less than contact data and collision data are part of contact position but it is not and the numbers are quite different. (because collision is the contact that takes one-time step)

    Could you please guide me in this field?

    Regards,
    Fatemeh