dimensionless variable

The infeasible solutions violating either logical relation constraints among activities or resources constraints can be avoided through introducing a dimensionless variable named extended float time rate and utilizing penalty function.

通过引入无量纲化的扩展工时率变量和罚函数，则可以避免求解得到不满足作业间逻辑关系或资源约束的非可行解。

A dimensionless variable is defined and a new calculation model of water volume fraction is deduced to accurately measure water volume fraction in oil-water two-phase flow according to the real density of the mixture.

根据油水混合物的真实密度值也能较精确地确定其含水率，计算式的误差小于3%。

The dimensionless variable is redefined, and new standard curve of production is derived.

利用产量与压力的关系,重新定义了无因次变量, 导出了新型产量的标准曲线.

A dimensionless variable named as duration prolonging rate is introduced to show the prolonged degree of activity duration.

在该模型中，允许适当延长作业的工期来降低作业的资源强度，并引入工期延长率这一无量纲变量来表示作业工期所延长的程度。

The Laplace space solution to dimensionless reservoir pressure and dimensionless bottom pressure of variable flow problem, which takes into consideration the effect of three kinds of outer boundary conditions, is studied by using multi-layered reservoir model.

针对层间无窜流的多层油藏渗流模型，研究了3种外边界下的交流率问题的储层压力动态分布和井底压力的Laplace空间解。