Fluid-structure interaction in straight pipelines with different anchoring conditions

被引：42
作者：
Ferras, David [1 ,2 ]
Manso, Pedro A. [1 ]
Schleiss, Anton J. [1 ]
Covas, Didia I. C. [2 ]
机构：
[1] Ecole Polytech Fed Lausanne, Lab Hydraul Construct, CH-1015 Lausanne, Switzerland
[2] Univ Lisbon, Inst Super Tecn, CERIS, P-1699 Lisbon, Portugal
来源：
JOURNAL OF SOUND AND VIBRATION | 2017年 / 394卷
关键词：
Fluid-structure interaction; Junction coupling; Poisson coupling; Friction coupling; Dry friction; Skin friction; Straight pipelines; FILLED PIPING SYSTEMS; FRICTION; VIBRATION; MEMBERS;
D O I：
10.1016/j.jsv.2017.01.047
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
This investigation aims at assessing the fluid-structure interaction (FSI) occurring during hydraulic transients in straight pipeline systems fixed to anchor blocks. A two mode 4-equation model is implemented incorporating the main interacting mechanisms: Poisson, friction and junction coupling. The resistance to movement due to inertia and dry friction of the anchor blocks is treated as junction coupling. Unsteady skin friction is taken into account in friction coupling. Experimental waterhammer tests collected from a straight copper pipe-rig are used for model validation in terms of wave shape, timing and damping. Numerical results successfully reproduce laboratory measurements for realistic values of calibration parameters. The novelty of this paper is the presentation of a 1D FSI solver capable of describing the resistance to movement of anchor blocks and its effect on the transient pressure wave propagation in straight pipelines. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：348 / 365
页数：18
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