A new optimization method by iteration is applied, on the basis of dynamic equilibrium equations and orthogonality.
应用了一种迭代优化法，该方法基于动力平衡方程以及正交性。
Simplified models for locomotive and carriages are given, from which equations of motion and of dynamic equilibrium are derived.
把机车和车辆简化成不同的力学模型，并给出了这两种模型的运动微分方程和动力平衡方程。
For the numerical aspects, an implicit integration scheme is used for local time integration of the constitutive equations and a dynamic explicit scheme is used to solve global equilibrium equations.
在数值技术方面，隐式积分方法被用来对本构方程的局部时间积分，动力显式技术用于求解总体平衡方程。
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