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We present the Green's function for the scattering of SH waves by an elliptical cavity in an elastic half-space combining with the technique of conformal mapping and multi-polar coordinate system. Then we deduce the dynamic stress concentration factor (DSCF) around the oval cavity based on the Green's function. Numerical results are carried out by changing the position and the shape of the cavity,...
Elasticoluminescence (ESL) is a kind of mechanoluminescence (ML). ESL materials are novel functional materials that can convert elastic deformation energy into visible light directly. Utilizing the materials, novel sensing devices and various applications are now under development. These materials can allow direct viewing of stress distribution.
Mechanoluminescence (ML) is light emission induced by mechanical deformation. Strain/stress monitoring using ML materials has been developed as a non-destructive method for diagnosis of deterioration in structures; this method is promising and is expected to find broad application in the field of structural health monitoring (SHM). This paper proposes a light measurement system for the weak and diffusive...
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