该模型属于非线性混合变量优化设计问题。
The mathematic model belongs to the nonlinear mixed-discrete variable optimization problem.
船舶结构优化设计问题通常是一个包含混合变量的约束优化问题。
Genetic algorithm(GA) to ship structure design optimization is comparativelly complex and involves many manual parameters and it is very difficult to select appropriate penal factors.
将微分进化算法扩展到可求解混合变量、有约束的船舶主尺度优化问题。
In this paper, the DE algorithm was expanded to solve the mixed variables, restricted principal dimensions optimization.
同时,应用混合变量的最小势能原理于计算一复杂边界条件矩形板的弯曲。
Meanwhile, the bending of a rectangular plate with complicated boundary conditions is calculated by the principle of minimum potential energy with mixed variables.
提出了一种分析正交各向异性圆柱壳和阶梯圆柱壳稳定性问题的混合变量传递函数方法。
A mixed variables transfer function is presented for analyzing the stability of orthotropic cylindrical shells and stepped cylindrical shells.
引入对偶变量,进一步建立使问题化为在以混合变量组成的全状态辛空间中的控制正则方程和初边条件。
By introducing dual variables, the dual governing equations and boundary conditions, which are composed by mixed variables under whole state space, are obtained.
针对以上两种决策树特点,提出了基于知识粗糙度的混合变量决策树的构造方法,选择知识粗糙度较小的分类属性来构造决策树。
Aim to upwards points, in this paper, advance a knowledge roughness based approach to hybrid decision tree, select less knowledge roughness as tested attribute to construct decision tree.
通过文中计算表明,混合变量的最小势能原理适用于有一个悬空角点矩形板稳定问题的求解,从而验证了它用于薄板稳定问题的一般性和通用性。
By calculation, it is proved that the solution is well suited to some rectangular plates with a free end. So, the principle of minimum potential energy with mixed variables is proved for the plates.
变量可以得到混合以及匹配,以为特定的标签创建合适的联合。
Variables can be mixed and matched to create the appropriate combination for your particular tag.
最终对于这种混合,我们只需要两个变量,两个自由度。
And it turned out that for this mixture, we only needed two variables. Two degrees of freedom.
我们上次开始讲到,我们有多少个自由度,我们需要多少个变量,才能完全确定混合情况。
And what we did last time was to begin to say how many degrees of freedom do we have, how many variables do we need to completely describe this mixture.
我们可以将按值和按引用传递的变量轻松地混合到 use子句中,并且可以顺利地处理这些变量。
We can mix variables passed by value and by reference easily within the use clause, and they will be handled without any problem.
混合固定效应敏感依靠规模变量,浮点运算的问题。
MIXED fixed effects sensitive to magnitude of dependent variable, floating point problems.
算例表明该方法能有效地解决工程结构混合离散变量的优化问题。
The results of two examples show that the simulated annealing approach can efficiently solve the engineering structural optimization with mixed-discrete variables.
为了解决混合离散变量机械设计问题,提出了一种面向设计、制造的设计变量离散化处理方法。
A new engineering method for dealing with discrete design variables for design and manufacture was put forward in order to solve optimal design with mixed discrete variables.
伪抛物型方程中关于时间与空间变量的混合偏导项给差分格式的讨论带来了一定难度。
The mixed partial differential terms of time variables and space variables in the pseudo-parabolic equation make the discussion of the difference scheme more difficult.
将相对差商法和混沌优化结合起来,形成求解离散变量桁架结构拓扑优化设计的混合算法。
A hybrid algorithm for topology optimization of trusses with discrete variables is developed which combines relative difference quotient algorithm with chaos optimization.
但该模型具有非线性、混合离散变量等特点,用常规的优化算法不能求出其最优解。
However, this model is nonlinearity and has mixed discrete variables, and can't be solved by normal algorithm.
使用新型的加乘混合分离变量法,可以解决原有方法解决不了的问题。
Using mixed addition and multiplication variable separation method can solve problems which can't be solved by primary methods.
利用分离变量方法导出了在混合边界条件下的非齐次分数阶扩散-波动方程的解析解。
We derive the analytic solution of the non-homogeneous fractional diffusion-wave equation under the mixed boundary conditions using the method of separation of variables.
OTTO法是本文提出的一种可解决混合离散变量优化设计的方法。
OTTO method is proposed for the solution of optimal design of mixed discrete continuous variable in this paper.
提出了一种基于DMC预测控制的解耦方法用于冷热水混合系统的液位和温度的双变量控制。
A kind of decoupling method based on DMC predictive control is proposed for two variables control of temperature and liquid level in the cold-hot water mixer system.
设为随机变量序列,文章在较弱的混合速度且非同分布的条件下证明了其完全收敛性的一个结果。
Let be a -mixing random variable sequence, and it is proved to be a theorem of complete convergence under the condition of slow mixing speed and non-identity distribution.
用MDCP法(混合离散变量组合形法)求解输油管道优化运行的数学模型,可以比较好地解决这一问题。
The Mixed Discrete variable Complex Programming method (MDCP) is used to solute the mathematical model of oil pipeline.
本文将其引入到舯剖面横向构件的优化设计牛,以解决连续和离散混合设计变量的优化问题。
It is introduced to solve the mixed variable problems in optimizing the cross-sectional transverse members.
电网规划是一个混合整数非线性规划问题,控制变量多、复杂程度高。
It is the typical mixed and integral non-linear planning problem that there are many control variables and the complexity is high.
根据机械产品对多目标优化设计的更高需求,提出了灰色—混合离散变量多目标寻优算法。
According to the higher requirement of multi objective optimum design of mechanical products, the optimization algorithm of gray mixing discrete variables is given.
根据机械产品对多目标优化设计的更高需求,提出了灰色—混合离散变量多目标寻优算法。
According to the higher requirement of multi objective optimum design of mechanical products, the optimization algorithm of gray mixing discrete variables is given.
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