广泛使用的基本模型有:①外部影响模型(Exernal influence model );②内部影响模型(Internal influence model);③Gompertz function 模型 [14] ;④Bass 模型。
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考虑内部流体压力因素的影响,研究了具有非线性运动约束输流曲管的混沌运动及其抑制模型。
Taking into account the effect of internal fluid pressure, the chaotic vibration and suppression of a fluid-conveying curved pipe subjected to motion-limiting constraint were investigated.
用三维流场计算软件,对空调用轴流风扇的内部流动特性进行了数值模拟计算,讨论了不同的简化模型对计算结果的影响。
Adopting fluent software, the inner flow of the axial flow fan in aircondition is simulated, the influence of different simplified models is discussed.
以小方坯二维非稳态传热模型为工具,分析过热度和二冷配水制度对连铸坯内部质量的影响。
A two - dimension unsteady heat transfer model has been used to analyse the influence of superheat and secondary cooling water distribution on the internal quality of billet.
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