modal model theory

A flexible model of multi-axle vehicle ride comfort is presented by combining the vibration theory of elastic beam and modal analysis method.

运用弹性梁弯曲振动理论和模态分析法建立了多轴汽车平顺性分析的柔性模型。

Finite element analysis for constraint model was conducted on the gear box casing of 7ypj agricultural tricar using modal analytic theory according to its structural characteristics.

针对7ypj型农用三轮汽车齿轮箱体的结构特点，应用模态分析理论对其进行了约束模态的有限元分析。

Back and forth method is a new tool in study of model theory and its application. This paper construct short proofs for two theorems in modal logic by back and forth method.

向前向后方法是模型论及其应用研究中的一个新的工具。本文使用向前向后方法，对模态逻辑的两个定理构造了一种简单的证明。