Actually i am trying to model the impact of massive stone on the exposed pipeline. is it possible to model the entire process in Abaqus. i.e. from motion of massive stone to hit the pipeline. please suggest the solution. your advices will be highly appreciable.
Yes, It is possible. Go to impact loading modeling. For Debris Flow M. Wasif Naqvi is the expert.
I am not sure whether you can simulate the debris flow in Abaqus because most of geohazards based simulation require GPS coordinates which is not possible Abaqus. Moreover, Debris flow is a complex multi phase phenomenon which includes solid and fluid phases.
For your study, you don't have to actually model debris flow and you can just used the impact forces found in the past literature of debris flow and apply on your modeled pipeline as dynamic or static load.
Conference Paper Advances in debris-flow hazard assessment in mountainous area
http://www.ssanalysis.co.uk/hubfs/KB_Technical_Briefs/Pipeline_Laying.pdf
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