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a numerical model
    Application of a numerical model for shallow water waves
    一种浅水波浪数值模型的应用研究
    Based on the Boussinesq equations derived by Liu and Sun (2004), a numerical model is established by using finite difference method.
    基于一种高阶Boussiensq方程(刘忠波等,2004),采用预报-校正格式的有限差分法对该方程进行了数值离散,建立了数值模型
    The relationship between resistance and fatigue damage has been studied and theoretical expressions have been obtained. Based onthe expressions and the data obtained from the fatigue experiment on 45 steel, a numerical model is deduced to estimate the fatigue accumulation of steel and pre-estimate the lifetime of steel.
    在忽略电阻率变化和考虑电阻率变化的条件下,以针对最常见的45号钢进行的高周疲劳试验得到的结果为基础,给出理论分析,建立了可以反映损伤累积和预测试件寿命的数值模型,并以此模型与前人所作的试验进行比较,结果两者吻合得很好。
    This paper analyses the special response of single degree of freedom spring matter system to explosive shock loading,and set up a numerical model of explosive shock loading response on structures. Based on the model,the reasonableness of explosive shock wave destructive criterion(P I criterion) is analysed,and the criterion reliable information is defined. [
    分析了单自由度弹簧-质体体系对爆炸冲击载荷的特征响应,建立起结构体对爆炸冲击载荷响应的数值模型,并从此模型出发,对爆炸冲击波破坏准则P-I准则进行合理性分析,确定其可靠性.
    Based on the characteristic analyzing method, this paper establishes a numerical model to solve the flowing dynamic variation process.
    本文建立了基于特征线方法求解流动瞬变过程的数值模型,编制了针对长距离输油管道流动瞬变过程的分析软件。
    Based on the new high order Boussinesq equations derived by Liu et al(2004),a numerical model is established by using the finite difference method with predictor-corrector scheme.
    基于刘忠波等(2004)推导的新型高阶Boussinesq方程,建立了预报-校正差分格式的数值模型
 

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