• 非线性平衡方程入手,推导了圆弧屈曲微分方程

    Differential equations for buckling of circular arches are derived from the nonlinear equilibrium equations in this thesis.

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  • 桅杆结构离散为空间纤绳单元单元计算模型建立了桅杆结构非线性平衡方程

    The nonlinear equation of the guyed mast is presented based on calculation models of space cable and beam elements.

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  • 之后,借鉴牛顿平衡移动最小二乘法得到非线性代数方程提出新的求解方法。

    And then an new iterative method is presented to solve the nonlinear equations system obtained from moving least-square approximation.

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  • 采用打靶求解非线性控制方程,绘出了屈曲平衡路径

    The nonlinear governing equations are solved numerically by adopting a shooting method and the equilibrium paths of thermal post-buckling of the circular plates are obtained.

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  • 为了研究动力学系统混沌产生跳跃随机性利用能量平衡原理分析非线性电路退化方程

    Chaos related discontinuity jumps in nonlinear dynamic systems were analyzed using a second order nonlinear circuit model and degenerative equations based on the energy balance principle.

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  • 根据悬索悬链线方程推导拉力解析表达式简单形式,将其应用系统非线性静力学平衡方程

    The simple expressions of the end force of a cable are deduced according to the catenary equation, and applied to the nonlinear equilibrium equations of a cabin-cable system.

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  • 不同风速条件下,采用牛顿下降梯度迭代求解非线性代数方程形式的系缆气球平衡方程

    For the different wind speed, the equilibrium points could be got from the trim equations solving by Newton iteration method.

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  • 理论建立了梁杆结构分析的精确几何非线性有限元增量平衡方程利用精确有限元方法对一些典型结构进行了稳定性分析。

    Accurate geometry! Non linear finite element increment equilibrium equation is set up by two orders theory. Typical structure stability is analyzed with this accurate finite element method.

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  • 基于修正拉格朗日描述,系统推导三角形平面单元用于几何非线性问题分析时的增量平衡方程

    Based on the updated Lagrangian description, the incremental equilibrium equations of triangular plate shell elements for geometrically nonlinear problem are derived.

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  • 运用建立辅助方程方法研究一类非线性有理差分方程平衡点的全局渐近稳定性得到充分条件

    Global asymptotic stability of a class of nonlinear rational difference equations was studied by means of setting up an auxiliary equation, so that a sufficient condition was obtained.

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  • 基于能量变分原理,考虑地基耦合效应,建立了双参数地基弹性非线性静力平衡方程

    Based on energy variation principle, the nonlinear control equations of elastics plate on (two-parameter) foundation including the coupled effect of the foundation are derived in this paper.

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  • 针对微分方程非线性特点采用一阶谐波平衡,进行了动力响应的计算分析。

    The harmonic balance method(HBM)was employed to solve the forced response of damped blades considering nonlinear feature of differential equations.

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  • 在一定条件下我们证明非线性互补问题微分方程系统平衡点,并且证明了微分方程系统的稳定性全局收敛性

    We prove that the solution of a nonlinear complementarity problem is exactly the equilibrium point of differential equation system, and prove the asymptotical stability and global convergence.

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  • 为此,推导了不连续面对整体平衡方程贡献方程,研究了模拟不连续面实际接触状态非线性迭代算法

    The contributive equation of discontinuous interface to the system of equations is derived and nonlinear iterative algorithms for simulating the contact state of a discontinuous interface are studied.

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  • 然后利用控制改变非线性系统的分参数使获得理想的平衡分岔方程

    The open loop control is used to adjust the bifurcation parameter in order to obtain a desired equilibrium bifurcation diagram.

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  • 对齐次平衡一些关键步骤进行拓宽,获得了一系列非线性方程孤子,使得非线性方程的多孤子解的求解方法更加直接,且许多步骤可以利用计算机完成。

    In this paper we improve some key steps in the homogeneous balance method, then by using this method we are able to obtain multiple soliton solutions of some nonlinear partial differential equations.

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  • 应用谐波平衡系统非线性微分方程解析分析,与数值解比较验证解析解正确性和有效性。

    The method of harmonic balance is applied to study the non-linear dynamic response of the third-order nonlinear partial differentiation system.

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  • 考虑任意理想曲面壳体制造偏差影响导出了非线性几何方程平衡方程

    Considered the influence of manufacturing error and derived the non-linear geometric equation and equilibrium equation for arbitrary ideal carved surface shells.

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  • 谐波平衡法得到非线性代数方程组很容易符号运算软件求出。

    The nonlinear algebraic equations for the second order approximate solution were solved by using symbolic computation software.

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  • MATLAB计算食品过程中的物料平衡含水量气体吸收单元传热过程的调节,研究基于MATLAB的非线性方程非线性方程组的求解和数值积分功能的应用。

    The equilibrium water content of the solids for drying, the number of mass transfer units for gas absorption and mass flow rate for heat transfer system were obtained using MATLAB.

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  • 非线性理论基础,推导得出杆件稳定分析平衡方程

    Based on nonlinear theory for a bar, the equations of equilibrium were derived with consideration of the nonlinear effects.

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  • 基于系统非线性平衡方程通过最小运算优化策略获得了适于伺服电机控制索系平衡张力和索

    Based on the nonlinear static equivalent equations of the cable-cabin system, forces and lengths suitable for servo motor control are obtained by least square method and an optimum strategy.

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  • 基于系统非线性平衡方程通过最小运算优化策略获得了适于伺服电机控制索系平衡张力和索

    Based on the nonlinear static equivalent equations of the cable-cabin system, forces and lengths suitable for servo motor control are obtained by least square method and an optimum strategy.

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