...双剪应力；三参数准则；四参数准则；五参数准则；角隅模型 [gap=892]keywords: double shear stress; three parameters criteria; four parameters criteria; five parameters criteria; corner model ..
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在新的力学模型上建立了三种类型的四参数强度准则。
Three types of four-parameter strength criterion based on new mechanical model are proposed.
本文从曲柄滑块机构中各杆件组成的三角形面积观点出发，分析了曲柄滑块机构中各参数与其面积的内在联系，从而得出相关参数的设计准则。
Based on the area of a triangle, the paper analyses the interior connection between crank structure and areas of triangle, then provides the design rules for its data.
根据这三条准则，可设计出叶轮较佳几何参数和型线。
The optimized geometry and profile of the inducer and impeller can be found by designing in accordance with there criteria.
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