Mathematical and numerical model needed for description of single-elbow pipe movement in horizontal Z-Y plane coupled with one-dimensional single-phase fluid dynamics is described and discussed. The governing phenomenon is also known as two-way Fluid-Structure Interaction. Standard Skalak’s four-equation model was improved with additional four Timoshenko’s beam equations for description of flexural displacements and rotations. The applied model was solved with improved second-order accurate numerical method that is based on Godounov’s upwind first-order accurate method. The model was successfully used for simulation of the rod impact induced transient and conventional instantaneous valve closure induced transient in the tank-pipe-valve system. Special attention was made to the applicability of the applied numerical method.
- Pressure Vessels and Piping Division
Single-Phase Transient in Single-Elbow Pipe
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Gale, J, & Tiselj, I. "Single-Phase Transient in Single-Elbow Pipe." Proceedings of the ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference. Volume 4: Fluid Structure Interaction, Parts A and B. Vancouver, BC, Canada. July 23–27, 2006. pp. 1519-1527. ASME. https://doi.org/10.1115/PVP2006-ICPVT-11-93396
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