A Non-probabilistic Reliability Analysis Method for Structural Fracture Based on Fractal Theory
An analysis method and technology of fractal theory, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as model errors, affecting the determination of structural reliability, etc.
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[0178] In order to understand more fully the characteristics of the invention and its applicability to engineering practice, the present invention aims at such as Figure 7 A non-probabilistic reliability analysis is performed on the elastic plate shown with a unilateral crack. Figure 7 The width of the medium elastic plate is w, the height h=200cm, the crack length is a, and the elastic modulus E=2×10 5 MPa, Poisson's ratio ν = 0.167, under the action of the uniform Brass force F. Due to manufacturing and measurement errors, the crack length a, the uniform tensile force F and the elastic plate width w are interval uncertainty parameters, and the central value of the crack length a is a c =5cm, the central value of the uniform pull force F is F c =0.3kN / cm, the central value of the elastic plate width w is w c =40cm, and there is a=[a c -βa c ,a c +βa c ], F=[F c -βF c , F c +βF c ], w=[w c -βw c ,w c +βw c ], β is the variable coefficient of variation, which i...
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