Reciprocity theorems in elasticity theory were discovered in the second half of the 19th century. For elastodynamics they provide interesting relations between two elastodynamic states, say states and . This paper will primarily review applications of reciprocity relations for time-harmonic elastodynamic states. The paper starts with a brief introduction to provide some historical and general background, and then proceeds in Sec. 2 to a brief discussion of static reciprocity for an elastic body. General comments on waves in solids are offered in Sec. 3, while Sec. 4 provides a brief summary of linearized elastodynamics. Reciprocity theorems are stated in Sec. 5. For some simple examples the concept of virtual waves is introduced in Sec. 6. A virtual wave is a wave motion that satisfies appropriate conditions on the boundaries and is a solution of the elastodynamic equations. It is shown that combining the desired solution as state with a virtual wave as state provides explicit results for state . Basic elastodynamic states are discussed in Sec. 7. These states play an important role in the formulation of integral representations and integral equations, as shown in Sec. 8. Reciprocity in 1-D and full-space elastodynamics are discussed in Secs. 910, respectively. Applications to a half-space and a layer are reviewed in Secs. 1112. Section 13 is concerned with reciprocity of coupled acousto-elastic systems. The paper is completed with a brief discussion of reciprocity for piezoelectric systems. There are 61 references cited in this review article.
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January 2006
Review Articles
Reciprocity and Related Topics in Elastodynamics
Jan D. Achenbach
Jan D. Achenbach
McCormick School of Engineering and Applied Sciences,
Northwestern University
, Evanston, IL 60208
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Jan D. Achenbach
McCormick School of Engineering and Applied Sciences,
Northwestern University
, Evanston, IL 60208Appl. Mech. Rev. Jan 2006, 59(1): 13-32 (20 pages)
Published Online: January 1, 2006
Citation
Achenbach, J. D. (January 1, 2006). "Reciprocity and Related Topics in Elastodynamics." ASME. Appl. Mech. Rev. January 2006; 59(1): 13–32. https://doi.org/10.1115/1.2110262
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