ESyS-Particle

Fracextract file

Asked by Piotr Klejment

Hi!

I created a file with a command:
fracextract -i snapshot -o fractures.txt -rot -t 0 401 5000

In the file "fractures.txt" I see ten different columns of numbers. Could you explain what every column mean?

Thank you!

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Piotr Klejment
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SteffenAbe (s-abe) said : 		#1

Each line in the file shows the data of one bond broken during the time span given by -t

The columns are:

pos_x pos_y pos_z rad time dir_x dir_y dir_z id1 id2

where

pos_x pos_y pos_z is the position of the bond before breaking, i.e. the point where the particles interact
rad is the radius of the broken bond
time is the time _step_ of the snapshot before which the bond was broken (i.e. the time resolution of fracextract is the number of time steps between snapshots!)
dir_x dir_y dir_z is the orientation of the broken bond
id1 id2 are the ids of the particles which where connected by the bond before breaking.

Steffen

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Piotr Klejment (glaubiger) said : 		#2

Hello!

Could You also describe the file generated by grainextract command?

Thank You!

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Dion Weatherley (d-weatherley) said : 		#3

Hi Glaubiger,

I will answer this in a new thread as grainextract is a quite different tool to fracextract.

Cheers,

Dion

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Dion Weatherley (d-weatherley) said : 		#4

Hi Glaubiger and others,

Please see this thread for more information about grainextract:
https://answers.launchpad.net/esys-particle/+question/671000

Cheers,

Dion

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Piotr Klejment (glaubiger) said : 		#5

Thank you very much for your help!