Development and qualification of an algorithm for the development of the initial linear portion of a force versus displacement record

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Abstract

In mechanical tests, the force versus displacement record generally contains an initial linear elastic portion. In the analysis, the accurate determination of this linear part is essential for the identification of characteristic values of force and/or plastic displacement. In this paper, an algorithm for the determination of this linear portion is presented. This algorithm is qualified on several experimental curves and on virtual data sets generated by a computer program. Results demonstrate that the algorithm is very robust and is able to determine the linear portion accurately.

Details

Original languageEnglish
Pages (from-to)1-9
Number of pages9
JournalJournal of Testing and Evaluation
Volume32
Issue number6
DOIs
Publication statusPublished - 1 Nov 2004

Keywords

  • Mechanical test, Linear portion, Characteristic values of force and plastic displacement

ID: 3386028