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A boundary integral method for an inverse problem in thermal imaging
NTRS Full-Text: Click to View  [PDF Size: 1.2 MB]
Author and Affiliation:
Bryan, Kurt(Institute for Computer Applications in Science and Engineering, Hampton, VA, United States)
Abstract: An inverse problem in thermal imaging involving the recovery of a void in a material from its surface temperature response to external heating is examined. Uniqueness and continuous dependence results for the inverse problem are demonstrated, and a numerical method for its solution is developed. This method is based on an optimization approach, coupled with a boundary integral equation formulation of the forward heat conduction problem. Some convergence results for the method are proved, and several examples are presented using computationally generated data.
Publication Date: Aug 01, 1992
Document ID:
19920023762
(Acquired Nov 07, 1995)
Accession Number: 92N33006
Subject Category: NUMERICAL ANALYSIS
Report/Patent Number: NASA-CR-189693, NAS 1.26:189693, ICASE-92-38, AD-A255859
Coverage: Final Report
Document Type: Preprint
Publisher Information: United States
Contract/Grant/Task Num: NAS1-18605; NAS1-19480; RTOP 505-90-52-01
Financial Sponsor: NASA; United States
Organization Source: Institute for Computer Applications in Science and Engineering; Hampton, VA, United States
Description: 30p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: No Copyright
NASA Terms: BOUNDARY INTEGRAL METHOD; CONDUCTIVE HEAT TRANSFER; IMAGING TECHNIQUES; NONDESTRUCTIVE TESTS; SURFACE TEMPERATURE; THERMAL MAPPING; THERMOGRAPHY; VOIDS; ALGORITHMS; CONVERGENCE; INVERSIONS; OPTIMIZATION; UNIQUENESS THEOREM
Miscellaneous Notes: Submitted for publication
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