Abstract/Details

A condensed finite element analysis of microirrigation hydraulics which incorporates pipe components


1993 1993

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Abstract (summary)

The hydraulic design of microirrigation systems is a tedious and time-consuming task. It was the goal of this research to simplify the design of microirrigation systems in order to conserve energy and water. Numerical solutions to microirrigation hydraulics are problematic because of the prohibitive number of network nodes which need to be analyzed. In this research, a partial differential equation was developed which incorporates the effect of pipe components at single nodes. The equation further condenses the network matrices by making use of the virtual node concept. The solution converges rapidly, and results are strongly correlated with existing finite element solutions which show strong correlation with empirical data. A large network was solved using the condensed finite element analysis developed in this research; where previous methods would require over 12,000 nodes to solve this network, the method developed here required only 80 nodes. Results correlate strongly to those obtained using the Backstep method.

Indexing (details)


Subject
Agricultural engineering;
Mechanical engineering
Classification
0539: Agricultural engineering
0548: Mechanical engineering
Identifier / keyword
Applied sciences
Title
A condensed finite element analysis of microirrigation hydraulics which incorporates pipe components
Author
Gerrish, Philip John
Number of pages
166
Publication year
1993
Degree date
1993
School code
0128
Source
MAI 33/03M, Masters Abstracts International
Place of publication
Ann Arbor
Country of publication
United States
Advisor
Bralts, Vincent
University/institution
Michigan State University
University location
United States -- Michigan
Degree
M.S.
Source type
Dissertations & Theses
Language
English
Document type
Dissertation/Thesis
Dissertation/thesis number
1359786
ProQuest document ID
304073643
Copyright
Database copyright ProQuest LLC; ProQuest does not claim copyright in the individual underlying works.
Document URL
http://search.proquest.com/docview/304073643/abstract
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