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- Title
Dynamic stress concentrations in thick plates with two holes based on refined theory.
- Authors
Zhou, Chuan-ping; Hu, Chao; Ma, F.; Liu, Dian-kui
- Abstract
Based on complex variables and conformal mapping, the elastic wave scattering and dynamic stress concentrations in the plates with two holes are studied by the refined dynamic equation of plate bending. The problem to be solved is changed to a set of infinite algebraic equations by an orthogonal function expansion method. As examples, under free boundary conditions, the numerical results of the dynamic moment concentration factors in the plates with two circular holes are computed. The results indicate that the parameters such as the incident wave number, the thickness of plates, and the spacing between holes have great effects on the dynamic stress distributions. The results are accurate because the refined equation is derived without any engineering hypothese.
- Subjects
STRAINS &; stresses (Mechanics); THICKNESS measurement; STRUCTURAL plates; COMPLEX variables; ELASTIC wave scattering; CONFORMAL mapping
- Publication
Applied Mathematics & Mechanics, 2014, Vol 35, Issue 12, p1591
- ISSN
0253-4827
- Publication type
Article
- DOI
10.1007/s10483-014-1883-6