许多化工过程的精确动态分析计算是一个大规模的刚性常微分方程组的求解问题。
The accurate dynamic analysis of a lot of chemical processes is a large scale problem of solving an array of combined stiff ordinary differential equations.
解决了微分方程组的刚性问题，提出了混合裂解反应动力学模型。
The stiffness problem of differential equation set has been solved and a kinetic model of simultaneous pyrolysis reaction has been proposed.
刚柔耦合多体机械系统动力学微分方程组具有刚性和高频振荡的特点。
The dynamical equations of rigid flexible coupling multibody systems have characters of stiffness and high frequency oscillation.
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