Simulation of Piping Process Based on Coupling Seepage and Erosion

Jin Zhang

doi:10.4028/www.scientific.net/AMM.602-605.558

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 602-605Simulation of Piping Process Based on Coupling...

Simulation of Piping Process Based on Coupling Seepage and Erosion

Abstract:

Only the preliminary stage of piping process can be simulated by current seepage-erosion coupled piping model. In order to enhance the simulation capability, a modified piping model is presented. Theory analysis shows that the governing equations of the modified piping model have significant advantages in practicality and solution accuracy. The solving process of the model is analyzed, with the result showing that the out-of-bounds appearance of the field variables is the major factor interrupting the solving process. Then a new solution technique called dynamic constraint is proposed, which can ensure the validity of field variables. Numerical example indicates that the new governing equations and dynamic constraint technique can enormously enhance the simulation capability of the model, and the piping process can be effectively simulated.

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Periodical:

Applied Mechanics and Materials (Volumes 602-605)

Pages:

558-561

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.602-605.558

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Online since:

August 2014

Authors:

Jin Zhang*

Keywords:

Dynamic Constraint, Erosion, Piping, Seepage

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* - Corresponding Author

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