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。
A model named shear slide model is presented, which can be used to simulate the mechanical property of the contact surface between the structure and its adjacent object.
提出了可以考虑初始缝隙和切向剪切滑动的“剪切滑移模型”，可以用于模拟结构与相邻物体之间接触面的力学特性。
Aiming at the pitching movement model, a nonlinear variable structure controller with an optimal sliding surface for the pitching control system of missile was presented.
针对俯仰运动模型，提出利用非线性最优滑模控制来设计某型导弹的俯仰运动控制系统。
The utility model has the advantages of simple structure, easy fabrication and convenient operation and use, and a safety climbing tool is provided for fire protection and wall surface construction.
其主要有益效 果是为消防、墙面施工中提供安全可靠的攀爬工具，结构简单，制造容易，操作使用方便。
In view of the line and surface tactility displayed by the pneumatic nozzle array, a fluid-structure coupled finite element model of the finger skin and nozzle was established.
针对气动喷嘴阵列喷气再现线面触觉问题，建立手指皮肤和喷嘴的流固耦合有限元模型。
In the utility model, a hob assembly gravity center balance structure is formed, thus ensuring that the same machined part can have a uniform milling surface.
本实用新型形成滚刀总成重心平衡结构，确保了同一加工件获得均匀一致的铣刮表面。
The utility model relates to a hanging mechanism for an ironing plate of a paver, which belongs to road surface engineering machinery and relates to a structure of an asphalt road surface paver.
本实用新型属于路面工程机械，涉及一种沥青路面摊铺机的结 构，具体是一种摊铺机熨平板悬挂机构。
The utility model is characterized in that the utility model comprises an anchor backing plate with a through hole inside, and the anchor backing plate is a conical structure with a round end surface;
其特点是包括有一内部有通孔的锚垫板，所述的锚垫板是端面为圆形的锥体结构；
The utility model relates a placing structure for a portable audio and video playing device, comprising a foundation with a hollow part at one end surface;
本实用新型是有关于一种携带式影音播放装置的置放结构，其包含一 端面是具有凹陷部的底座；
The utility model relates a placing structure for a portable audio and video playing device, comprising a foundation with a hollow part at one end surface;
本实用新型是有关于一种携带式影音播放装置的置放结构，其包含一 端面是具有凹陷部的底座；
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