How can particle flow code be simulated to obtain a stress field around the crack tip of a bonded sandstone particle?

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Adeola Olugbenga

Particle flow cade can be used to simulate sandstone particle as it can accomodate the poisson's ratio and young modulus properties of the sandstone

Changtai Zhou

Have you get the SIF using PFC? Personally, it may not suitable for SIF calculation.

Mohsen Mohebbi

Generally speaking, this software is based on forces, and not stresses. But in a simple manner, if you use parallel bond model, you can determine stress at crack tip thorough dividing the related contact force by contact circular area.