The pre stress bar′s real inter force is obtained by solving an inverse problem of structural vibration.
利用该公式,由实测的结构振动特性反演得到预应力筋的实际内力。
An inverse problem of a free boundary problem which arised from the flow of non-Newtonian fluids is studied.
讨论了由非牛顿流体流动引起的一类自由边值问题的一个反问题。
As an inverse problem of fuzzy diagnosis, fuzzy relation equation is a new and important branch in fuzzy multivariate analysis.
作为模糊评判的逆问题,模糊关系方程是模糊多元分析中的一个新的重要分支。
Loading identification, like the system parameter identification and dynamic characteristics modification, is an inverse problem of structural vibration.
载荷识别与系统参数辨识、动力特性修改等都属于振动的反问题。
As an inverse problem of Hamiltonian mechanics, a new Hamiltonian system in elasticity and its variational principle are derived from the basic equations of elasticity.
作为哈密顿力学逆问题,从弹性力学基本方程推导出弹性力学中一个新的哈密顿系统及其变分原理。
In this paper, an inverse problem of a nonlinear parabolic partial differential equation of formation damage caused by the solids invading during the course of injection is presented.
本文具体讨论了注水过程中由于固体颗粒侵入造成地层伤害的非线性抛物型偏微分方程反问题模型。
This thesis focuses on determination of parameters in a two-dimension heat conduction equation on the MPI network parallel environment, by solving an inverse problem using the regularization method.
本文是在MPI网络并行环境中,将求解二维热物性方程参数的反问题用正则化方法结合并行遗传算法进行数值求解。
Based on the boundary element method, an inverse method is developed to identify the material parameters of orthotropic plane problem.
以边界元计算为基础,提出正交各向异性平面问题材料参数识别的反分析方法。
The principle of the measurement and image reconstruction methods are introduced. GVSPM, an alternative mathematic algorithm, can be used in solving ECT's inverse problem.
文中介绍了其测量原理和一些重构图象的算法,并引入广义矢量模式匹配法(GVSPM)和改进的伪逆法求解ECT逆问题。
The dynamic design of vibration system is considered as an inverse problem for nonlinear generalized eigenvalue in this paper.
振动系统动力学设计被抽象为高维广义非线性特征值反问题。
The method, which combines the advantages of artificial neural network and genetic algorithm, is an universal one of solving inverse eigenvalue problem.
计算结果及分析表明它是求解一切特征值反问题的有效方法。
Based on the inverse problem theory, it is explained that building the constitutive models of rock and soil is an inverse problem and four basic steps for modeling constitutive relations are proposed.
根据反问题的理论,阐明了建立岩土本构模型属于反问题,提出了建模的四个基本步骤。
Since it is an inverse problem, numerical techniques, such as discretization of the integral into a system of linear equations, are necessary.
由于这是一个反问题,一些数字技术比如将积分离散化为一个线性方程组是必需的。
Based on the kinematics equation and the orthogonal character of the rotation sub-matrix in a transformation matrix, an approach to the inverse kinematics problem of 6r robots is proposed.
以机器人运动学方程为基础,基于变换矩阵中旋转子矩阵正交的特性,提出一种6r机器人运动学逆解算法。
The key for this issue is to model the degradation processing in mathematical form, then solve this inverse problem to get a restoring model and an estimation of original image.
解决该问题的关键是对图像的退化过程建立相应的数学模型,然后通过求解该逆问题获得图像的复原模型并对原始图像进行合理估计。
The inverse grading of solid particles in debris flow effects the velocity distribution along the vertical the state of motion and the impulse on structure is an important problem.
泥石流固体颗粒级配倒置,影响流速垂线分布、流态与冲击力,是一个十分重要的问题。
An inverse problem model of mould heat transfer in slab continuous casting is researched and built aiming at the installation characteristics of thermocouples in slab mould.
针对板坯结晶器热电偶的排布特点,研究并建立板坯连铸结晶器传热反问题的数学模型。
An inverse problem method is employed to determine the average magnitude of acid pollutants in groundwater in Fengshui, Zibo, Shandong.
应用反问题方法探讨山东淄博市张店区沣水南部区域地下水中硫酸盐的年入渗强度的数值反演问题。
An evaluation index, named temperature effectiveness based heat source, is proposed. And the inverse problem of hybrid temperature diffusion is discussed.
提出了适用于评价控制区域内最大温度的评价指标——基于热源的温度效率,并探讨了复合温度扩散反问题。
An inverse vibration problem for the discrete model of a vibrating rod is considered.
研究了杆有限元模型的模态反问题。
The solution of inverse problem usually requires nonlinear optimization of an objective function describing the difference between measured and simulated data.
反问题的求解常常需要转化为非线性优化问题,其目标函数定义为观测数据与模型数据之间的残差平方和。
By solving an inverse heat conduction problem, one method is given about to compute wall thickness of cylinder-shaped equipment based on the outer surface temperature.
利用红外测温技术,结合导热反问题求解,给出了一种根据圆筒外壁温度计算筒壁厚的方法。
Air pollution prediction is a direct problem, and deriving diffusion coefficients from the concentration of pollutants is an inverse problem.
空气污染预报属于正问题,而从污染物浓度来求解扩散系数则属于反问题。
A direct problem is different from an inverse problem in essence, and their definitions and methods of resolution are quite different.
正问题和反问题有着本质的不同,在解的定义和求解方法上也有很大的区别。
A direct problem is different from an inverse problem in essence, and their definitions and methods of resolution are quite different.
正问题和反问题有着本质的不同,在解的定义和求解方法上也有很大的区别。
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