Taking rigid disk surface as an example, fractal parameters are obtained by means of power spectrum and structure function, providing a proper geometric model for further contact analysis.
实验结果表明，分形维数能很好地表征表面轮廓，可为进一步的接触分析提供更合理的几何模型。
This paper makes a theoretical analysis of dynamometer for surface grinding of the octagon ring and establishes an accurate theoretical mathematical model for the design of its structure.
本文对八角环平面磨削力测试仪进行了理论分析，建立了其结构设计的精确理论数学模型。
Also this paper presents the structure of mathematical vessel-model and the existence and uniqueness of the solution and introduces a set of numerical methods to solve the smoothed-spline Surface.
探索和研究了数学船型构造及解的存在、唯一性，且建立了一套求光顺样条曲面的数值方法。
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