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Finite element analysis and statisti...

Zhao, Wei.

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Finite element analysis and statistical modeling of pipeline rehabilitation liners with material imperfections.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Finite element analysis and statistical modeling of pipeline rehabilitation liners with material imperfections./
Author:	Zhao, Wei.
Description:	162 p.
Notes:	Source: Dissertation Abstracts International, Volume: 64-03, Section: B, page: 1388.
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3084551

Finite element analysis and statistical modeling of pipeline rehabilitation liners with material imperfections.
Zhao, Wei.

Finite element analysis and statistical modeling of pipeline rehabilitation liners with material imperfections. - 162 p.

Source: Dissertation Abstracts International, Volume: 64-03, Section: B, page: 1388.

Thesis (Ph.D.)--Louisiana Tech University, 2003.

Thin-walled plastic liners are routinely used to rehabilitate structurally sound host pipes that have lost their hydraulic integrity. The liner/host pipe structure is treated as a ring encased in a rigid wall. Significant research work dealing with liner stability has been completed in North America and Europe. These research works include laboratory experiments, numerical analysis, and statistical modeling. The objective of this dissertation is to achieve a better understanding of liner buckling phenomenon using the finite element method and statistical analysis.

Finite element analysis and statistical modeling of pipeline rehabilitation liners with material imperfections.
LDR:02157nmm 2200193 4500 001 1854364
005 20040524103730.5
008 130614s2003 eng d
035 $a (UnM)AAI3084551
035 $a AAI3084551
040 $a UnM $c UnM
100 1 $a Zhao, Wei. $3 893199
245 1 0 $a Finite element analysis and statistical modeling of pipeline rehabilitation liners with material imperfections.
300 $a 162 p.
500 $a Source: Dissertation Abstracts International, Volume: 64-03, Section: B, page: 1388.
500 $a Adviser: David Hall.
502 $a Thesis (Ph.D.)--Louisiana Tech University, 2003.
520 $a Thin-walled plastic liners are routinely used to rehabilitate structurally sound host pipes that have lost their hydraulic integrity. The liner/host pipe structure is treated as a ring encased in a rigid wall. Significant research work dealing with liner stability has been completed in North America and Europe. These research works include laboratory experiments, numerical analysis, and statistical modeling. The objective of this dissertation is to achieve a better understanding of liner buckling phenomenon using the finite element method and statistical analysis.
520 $a Short-term liner buckling models have been applied by several researchers to study the influence of liner geometric imperfections on the buckling pressure. Two-dimensional, plane-strain models were predominantly used in these studies. In this research, a three-dimensional liner buckling model was constructed using ABAQUS. This model was applied in studying the influence of liner thickness variations and local circular defects on the buckling pressure.
520 $a At first, the thickness variation of the liner wall was modeled in the longitudinal and circumferential directions separately. Next, liners with thickness variations in both directions were simulated. Two factors, the frequency and the magnitude of thickness variation, were studied quantitatively. A comparison between the buckling pattern and thickness variation pattern was conducted to investigate the relationship between the buckling and thickness
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3084551