Research Papers

Description Logic Representation of Finite Element Analysis Models for Automated Retrieval

[+] Author and Article Information
Nsikan Udoyen1

The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405

David Rosen2

The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405david.rosen@me.gatech.edu

The FCBGA chip package is shown in Appendix , along with its DL description


Present addresses: Intel Corporation, Hillsboro, OR.


Corresponding author.

J. Comput. Inf. Sci. Eng 8(3), 031002 (Aug 05, 2008) (10 pages) doi:10.1115/1.2960487 History: Received September 29, 2006; Revised June 17, 2008; Published August 05, 2008

Adaptive reuse of archived parametric finite element analysis (FEA) models involves integration of new information into archived models to model similar new problems. Retrieval of relevant archived models and supporting documents from electronic repositories is difficult when a modeler is unable to describe information needs precisely in a query using keywords. The use of description logic (DL) concepts to describe archived models and build expandable classification hierarchies to facilitate retrieval is proposed and illustrated. A domain-independent retrieval algorithm based on the traversal of description logic concept hierarchies is introduced. The usefulness of the approach is asserted by showing that precise classifications of FEA models can be automatically computed from semantically rich representations in a fairly inexpressive DL using subsumption. The usefulness of subsumption hierarchies for efficient retrieval of FEA models illustrates the benefits of DL for their automated management.

Copyright © 2008 by American Society of Mechanical Engineers
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Figure 1

Flip chip on board assembly

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Figure 2

2D FEA model of underfilled FCOB (4)

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Figure 3

2D FEA model of FCOB without underfill

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Figure 4

Primitive concept definitions in DL

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Figure 5

Defined concepts represented in DL

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Figure 6

FCOB assembly represented in DL

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Figure 7

Hierarchical organization of physical context representations

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Figure 8

Classification-based retrieval scenarios

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Figure 9

The retrieval algorithm

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Figure 10

Subsumption hierarchy used in examples

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Figure 11

Flip chip ball grid array from LSI Logic (33)



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