Abstract
The dynamic behavior of two parallel symmetric cracks in a piezoelectric strip under harmonic anti-plane shear waves is studied using the Schmidt method for permeable crack suface conditions. The cracks are parallel to the edge of the strip. By means of the Fourier transform, the problem can be solved with the help of two pairs of dual integral equations. These equations are solved using the schmidt method. The results show that the stress and the electric displacement intensity factors depend on the geometry of the cracks, the frequency of incident waves, the distance between cracks and the thickness of the strip. It is also found that the electric displacement intensity factors for the permeable crack surface conditions are much smaller than those for the impermeable crack surface conditions.
| Original language | English |
|---|---|
| Pages (from-to) | 294-302 |
| Number of pages | 9 |
| Journal | Acta Mechanica Solida Sinica |
| Volume | 15 |
| Issue number | 4 |
| State | Published - Dec 2002 |
Keywords
- Dual integral equations
- Parallel crack
- Piezoelectric strip
- Schmidt method
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