Research Papers

Methodical Extensions for Decomposition of Matrix-Based Design Problems

[+] Author and Article Information
Simon Li

Concordia Institute for Information Systems Engineering, Concordia University, 1455 de Maisonneuve Boulevard West, EV7.648, Montreal, QC, H3G 1M8, Canadalisimon@ciise.concordia.ca

J. Mech. Des 132(6), 061003 (May 20, 2010) (11 pages) doi:10.1115/1.4001534 History: Received August 21, 2009; Revised March 04, 2010; Published May 20, 2010; Online May 20, 2010

The two-phase method is a matrix-based approach for system decomposition, in which a system is represented by a rectangular matrix to capture dependency relationships of two sets of system elements. While the two-phase method has its own advantages in problem decomposition, this paper focuses on two methodical extensions to improve the method’s capability. The first extension is termed nonbinary dependency analysis, which can handle nonbinary dependency information, in addition to just binary information, of the model. This extension is based on the formal analysis of a resemblance coefficient to quantify the couplings among the model’s elements. The second extension is termed heuristic partitioning analysis, which allows the method to search for a reasonably good decomposition solution with less computing effort. This extension can be viewed as an alternative to the original partitioning approach that uses an enumerative approach to search for an optimal solution. At the end, the relief valve redesign example is applied to illustrate and justify the newly developed method components.

Copyright © 2010 by American Society of Mechanical Engineers
Your Session has timed out. Please sign back in to continue.



Grahic Jump Location
Figure 1

Workflow of the two-phase method

Grahic Jump Location
Figure 2

Case setup for the justification of the min/max coefficient

Grahic Jump Location
Figure 3

A sample diagonal matrix and partition lines

Grahic Jump Location
Figure 4

Comparison of two decomposition solutions

Grahic Jump Location
Figure 5

Coupling-partition plots of the sample rectangular matrix

Grahic Jump Location
Figure 6

Partitioning of the sample rectangular matrix

Grahic Jump Location
Figure 7

Re-arranged RCMs

Grahic Jump Location
Figure 8

Nonbinary matrix of the relief valve example

Grahic Jump Location
Figure 9

Coupling-partition plots for the relief valve system

Grahic Jump Location
Figure 10

Decomposition solution of the relief valve system using the nonbinary matrix

Grahic Jump Location
Figure 11

Decomposition solution of the relief valve system using the binary matrix



Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In