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MA Li, WU Lin-zhi, NIE Wu. STRESS INTENSITY FACTOR ANALYSIS OF A FUNCTIONALLY GRADED PIEZOELECTRIC STRIP UNDER ANTI-PLANE DEFORMATION[J]. Engineering Mechanics, 2006, 23(1): 47-51.
Citation: MA Li, WU Lin-zhi, NIE Wu. STRESS INTENSITY FACTOR ANALYSIS OF A FUNCTIONALLY GRADED PIEZOELECTRIC STRIP UNDER ANTI-PLANE DEFORMATION[J]. Engineering Mechanics, 2006, 23(1): 47-51.
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STRESS INTENSITY FACTOR ANALYSIS OF A FUNCTIONALLY GRADED PIEZOELECTRIC STRIP UNDER ANTI-PLANE DEFORMATION

  • School of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, China;2. Center for Composite Materials, Harbin Institute of Technology, Harbin 150001, China

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  • Received Date: December 26, 2003
  • Revised Date: November 24, 2004
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  • By using the Fourier transform and defining the jumps of displacement and electric potential components across the crack surface as unknown functions,two pairs of dual integral equations are derived.To solve the dual integral equations,the jumps of the displacement and electric potential components across the crack surface are expanded in a series of Jacobi polynomials.Numerical examples are provided to show the effects of material properties,loading condition and crack size on the stress and electric displacement intensity factors.
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