期刊文献+

多重分形轮廓及曲面的数学表征及其仿真研究

Research on Mathematical Expression and Simulation of Multi-fractal Profiles and Surfaces
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摘要 基于WM函数提出了多重分形特征函数,对具有多重分形特性的表面轮廓及曲面进行了仿真模拟并分析了其统计学特性,用典型的维数计算方法计算了模拟表面的分形维数,为与多重分形特性相关的摩擦学模型的进一步研究奠定了基础。 The profiles and surfaces which have multi-fractal characters were simulated based on W-M function. The dimensions of these were calculated by typical power spectrum methods. The statistic result shows that the simulated profiles and surfaces have a resemblance to the real ones. This study lays the foundation for further study of tribology models related to multi-fractal characteristics.
作者 董霖 张永相
出处 《润滑与密封》 EI CAS CSCD 北大核心 2005年第4期103-105,共3页 Lubrication Engineering
关键词 多重分形 数学表征 分形维数 轮廓 曲面 仿真 Computer simulation Statistics Surface topography
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