Reasoning more than one multipath delay formulas simulate them repeated calculation contrast the numerical value, gained two modified mathematic models which are more approach the experiment result.
对已有的多径时间延迟模型进行仿真分析，重新推导、反复计算、多个公式对比，得到了两个跟实验结果更加接近的修正数学模型。
In this paper the finite element analysis is applied to simulate the elastic-plastic numerical value for the high-pressure full wrapped composite pressure-vessel.
本文针对高压全缠绕复合材料压力容器，应用有限元分析系统对其应力偏大的筒身应力进行了弹塑性非线性数值模拟。
Use numerical simulation method to simulate the multi-parametric combination resonance condition for the system, analyse the periodic value, bifurcations and chaos of the system.
并对系统多重参数组合共振情况进行数值模拟，分析了周期解、分岔和混沌问题。
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