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- Nonlinear stiff problems 非线性刚性问题
- An modified PBD formulas algorithm for solving nonlinear stiff ordinary dif- ferential equations and the discretized-linearized circuit models for two classes of multiele- memt-coupled dynamic elements are presented. 文中提出了解非线性刚性常微分方程组用的一个改进的 PBD 算法和两类多元耦合动态元件的离散化-线性化电路模型。
- Air is assumed as compressible,inviscid and potential,nonlinear stiffness matrix and coupling aerodynamic expression have been deduced. 假定空气是可压缩、无粘性和有势的,推导了薄膜结构的非线性刚度矩阵和空气与薄膜结构耦合作用的气动力表达式。
- The linearized equation is addressed by the harmonic balance method and the equivalent linear stiffness of the nonlinear stiffness is obtained. 线性化俯仰方向的自由振动方程,用谐波平衡法求解该线性化方程,得到了改进的等效线性刚度。
- Research on stiff problems in dynamic modeling of hydraulic system 液压系统动态建模中刚性问题的研究
- An new uncoupled method was introduced to simulate numerically nonequilibrium flow which had the stiffness problem. 给出一种计算化学非平衡流动的解耦方法。
- On condition that the deformation of element is small, the stiffness matrix consists of linear stiffness matrix and geometrically nonlinear stiffness precisely. 在小变形条件下,该刚度阵精确地包含了梁单元的线性刚度阵和几何刚度阵。
- The three leg mechanisms with piecewise nonlinear stiffness, cubic nonlinear stiffness and linear stiffness were compared respectively in terms of their buffer coefficients. 最后分别比较了具有分段非线性刚度、三次非线性刚度和线性刚度的腿机构缓冲系数。
- The thought of my exams next week scares me stiff. 我一想到下星期要考试就很紧张。
- Research on Stiff Problems in Dynamic Simulation of Complex Hydraulic System 复杂液压系统动态特性仿真中的刚性问题研究
- The soldier stood stiff as a ramrod. 这士兵站得笔直。
- Static equation and nonlinear stiffness for space cable under arbitrary load are deducedthrough integral analysis. Nonlinear simplified equation for static analysis of guyed mast isgiven. 通过整体分析,推导出空间单索在任意荷载作用下的静力计算公式和空间索单元的非线性刚度方程.;在此基础上,给出桅杆结构静力分析简化计算的非线性方程式
- By which linear and non linear frequency response function was estimated, and nonlinear stiffness coefficient and damping coefficient of the model were optimized by least square method in this paper. 利用该方法对非线性频响函数进行估计,并利用了最小二乘法对模型的非线性刚度系数和非线性阻尼系数进行了优化。
- An extremely stiff, erect posture. 过分笔直,僵立的姿态
- The answer of some problems is unskillful. 一些问题的回答是不熟练的。
- The stiff stalk of various grasses. 梗草各种草的硬花梗
- She cleaned the sink with a stiff brush. 她用硬毛刷清洗水槽。
- She's had a lot of problems to contend with. 她有许多问题要解决。
- She sat there as stiff as a ramrod. 她笔直地端坐在那儿。
- She sat there stiff as a ramrod. 她笔直地端坐在那儿。