Direct Fractal Measurement of Fracture Surfaces
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摘要: 為了克服粗糙表面分形測量的困難,提出一種新的測量方法——投影覆蓋法(Projective Covering Method),結合激光表面測量技術,直接測定斷裂表面的分形維數Ds∈[2,3).用分形理論證明,應用該方法進行分形測量的精確性。Abstract: To overcome the difficulties in estimation of fractal dimension for fracture surfaces, anew method of fractal measurement called the projective covering method(PCM) is proposed. Based on the measurements by means of a laser scanner, the fractal dimension Ds∈[2, 3) of fracture surface is directly estimated by using this method. The research results agree well with the theory of fractal geometry and measurement data.
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Key words:
- the projective covering method /
- fracture surface /
- fractal dimension
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