Location

La Jolla, CA

Start Date

1-1-1989 12:00 AM

Description

A consideration of alternative phenomena has been undertaken as a next logical step in the continuing development of a finite element model of wave-defect interactions [1,2]. Preliminary investigation indicates that obtaining the requisite empirical data offers serious challenges and the current study has therefore focused on the necessity of introducing explicit alternative components into the existing algorithm. A brief review of attenuati ve processes is provided as a means of considering numerical modeling approaches. An axi-symmetric finite element algorithm is subsequently introduced and evaluated with experimentally obtained data. The algorithm’s three-dimensional nature facilitates such an evaluation and represents a significant step in the development of a quantitatively accurate model of wave-defect interactions. Conclusions are then made about the types of materials for which this simple elastic model is adequate.

Volume

8B

Chapter

Chapter 9: Characterization of Materials

Section

Properties

Pages

1731-1737

DOI

10.1007/978-1-4613-0817-1_219

Language

en

File Format

application/pdf

Share

COinS
 
Jan 1st, 12:00 AM

An Evaluation of Attenuation in an Axi-Symmetric Finite Element Model of

La Jolla, CA

A consideration of alternative phenomena has been undertaken as a next logical step in the continuing development of a finite element model of wave-defect interactions [1,2]. Preliminary investigation indicates that obtaining the requisite empirical data offers serious challenges and the current study has therefore focused on the necessity of introducing explicit alternative components into the existing algorithm. A brief review of attenuati ve processes is provided as a means of considering numerical modeling approaches. An axi-symmetric finite element algorithm is subsequently introduced and evaluated with experimentally obtained data. The algorithm’s three-dimensional nature facilitates such an evaluation and represents a significant step in the development of a quantitatively accurate model of wave-defect interactions. Conclusions are then made about the types of materials for which this simple elastic model is adequate.