The theoretical calculation result indicates that the three-dimensional tooth arrangement model of PDC Bit's with the parameter method is precise and reliable.
理论计算结果表明，利用这种参数化建模方法完成的PD C钻头三维布齿模型是精确、可靠的。
Model equations for three dimensional calculation are given. Special treatment of boundary conditions at the entrance and the inclined wall is carried out.
给出了三维流场计算的模型方程，对倾斜壁面及入口的边界条件作了特殊处理。
The present paper deals with a reactor network comprehensive model for the engineering use orented three dimensional heat transfer numerical calculation of utility boiler furnaces.
文中介绍一种适合于工程应用的电站锅炉炉膛三维传热值计算的反应器网络综合模型；
A calculation method based on three-dimensional model was developed to study the load bearing characteristics of externally pressurized spherical gas bearings with inherent compensation.
为研究环面节流静压气体球轴承的承载力特性，提出一种基于三维模型的计算方法。
Under the condition that the precision is assured, the calculation has been simplified (compared with three dimensional model).
在保证精度的条件下简化了计算(相对于三维)。
Droplet vaporization in spray process is studied in detail theoretically, and the three-dimensional numerical calculation model for it is established.
对喷雾中液滴的蒸发过程进行详细地理论研究，同时建立相应的数学模型。
A two-direction shear deformation finite element model is presented in which a three-dimensional problem is reduced to a two-dimensional one and thus the calculation is much simplified.
文中提出了“双向剪切变形”有限元模型，使三维问题简化为二维问题，计算工作量大为减少。
RESULTS and CONCLUSION: a realistic appearance and calculation accuracy three-dimensional finite element model of osteonecrosis of the femoral head was established.
结果与结论：快捷建立了外形逼真、计算精确的股骨头坏死三维有限元模型。
The paper has presented a three-dimensional photoelastic model test method and its relative calculation formulas.
本文介绍了三向光弹的试验方法及计算公式。
The paper has presented a three-dimensional photoelastic model test method and its relative calculation formulas.
本文介绍了三向光弹的试验方法及计算公式。
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