The mathematic model of oil-gas spring nonlinear stiffness and damping characteristic of a construction truck is created and introduced into the vehicle model.
推导并建立了某工程车辆油气弹簧的非线性刚度和阻尼特性的数学模型，并将其导入到车辆模型中。
Based on fully stressed criterion, a mathematical model for spring optimization design has been built. The model is a constrained nonlinear programming problem.
按满应力准则建立了弹簧优化设计的数学模型，它是一个有约束的非线性规划问题。
Based on the modeling and experimental validation of the hydropneumatic spring, a nonlinear model of special vehicle active hydropneumatic suspension was developed.
从油气弹簧建模与试验验证出发，建立了特种车辆主动油气悬架的非线性模型。
Based on the suspension model of a homemade car with 5-degree freedom and a road surface model in time domain, the nonlinear spring and damping parameters were optimized in time domain.
针对国产某微型轿车，在建立汽车悬架系统5自由度模型和时域路面模型基础上，对悬架系统的线性弹簧和非线性阻尼参数进行了优化。
Then the model of series spring is used to estimate the isolator parameters and the method of nonlinear dynamic history analysis is used for detail design.
随之，建立串联弹簧模型理论用于初步确定隔震垫参数，再使用非线性动力时程分析法进行详细设计。
Then the model of series spring is used to estimate the isolator parameters and the method of nonlinear dynamic history analysis is used for detail design.
随之，建立串联弹簧模型理论用于初步确定隔震垫参数，再使用非线性动力时程分析法进行详细设计。
应用推荐