采用比例满应力法及序列线性规划方法分别处理强度约束和刚度约束。
The strength constraints and stiffness constraints are treated by proportional full stressed method and sequential linear programming method respectively.
研究缠绕复合材料发动机壳体在内压载荷作用下,承受强度约束的优化设计方法。
Design optimization algorithm of winding composite motor cases under inner pressure and endure strength restrain is studied.
应用此方法,以制动时间最短为目标,在几何约束、强度约束、温度约束等条件下,对盘式制动器的主要设计参数进行了优化设计。
The improved PSO is then applied to optimal design of disk brake in order to minimize the brake time under the conditions of geometry constrain, intensity constrain and temperature constrain.
双万向轴的优化数学模型必须满足强度、刚度、振动条件、稳定性及边界条件的约束。
The optimal mathematical model of the double universal spindle must satisfy the constraints of strength, rigidity, vibration condition, stability and boundary condition.
印度计划在2020年前将碳强度削减20% - 25%,但不会接受具有法律约束力的目标,这进一步增大了下周的全球气候峰会不会取得具体成果的可能性。
India is ready to cut emissions intensity 20%-25% by 2020, but won't accept legally binding targets, raising chances next week's global summit on climate change won't yield definitive results.
人们感觉到的各种压力的强度和原因大多数没有性别方面的区别,虽然在年龄和教育程度的约束下这是两码事。
The intensity and causes of the pressure people said they felt did not vary by gender in most categories, though it was a different story when broken down by age and education.
虽然目前双螺杆磨浆机设计的大部分参数需要采用类比法确定,但流量和强度条件是其应当满足的约束条件。
Although most parameters design of the machine are confirmed by analogy methods presently, a flux rate and strength theories are the restriction conditions that they should satisfied.
混凝土约束改变了有效应力-应变关系:造成强度和临界应变的增加。
Confinement of concrete results in a modification of the effective stress-strain relationship: higher strength and higher critical strains are achieved.
最后依据对试验数据的回归分析分别得出了集中荷载作用下超高强混凝土无腹筋简支梁和约束梁的抗剪强度回归公式。
Finally, according to regression analysis of the experimental data, the shear strength formula of super high-strength concrete unconstrained beams under point load is achieved.
分析认为,孕震应力场的应力强度对孕震区内地震的破裂方向有明显的约束作用。
This suggests that focal stress intensity has restraining effect on earthquake's rupture direction.
因此可以通过合理控制约束的范围、性质和强度以达到控制裂缝的目的。
Therefore, we can control the wall's cracks by controlling the restraint's range, properties and strength.
用数值计算分别考察了氧杂质进入通量和约束时间对谱线峰值强度和起始时间的影响。
The influences of oxygen impurity influx rate and confinement time on intensity and switch-on time of line emissions are surveyed numerically.
试验结果表明,箍筋间距越小,则柱承载能力越高,混凝土核心约束强度提高幅度越大。
Test results indicate that smaller hoop spacing provides higher column capacity and greater strength enhancement in a confined concrete core of columns.
运用弹性薄板理论,计算出不同约束边界条件下薄板内部的应力分布,论证了工作面中部来压强度大于头、尾部。
With the elastic plate theory, the stress distributions of plate in the various control boundaries are calculated and it is found that intensity of wei.
在给定的约束条件下,当台风熵取极大值时,台风强度是一种指数分布。
Typhoon intensity is an exponent distribution in given restrained conditions when typhoon entropy has gotten maximum.
经研究和分析,约束砌体的抗震强度有明显的提高,延性有显著的改善,它是一种既经济,抗震性能又好的结构形式。
After study and analysis, the binding masonry structure is a kind of better structure system in economy and earthquake-resistant behavior with the notable seismic strength and the ductility.
试验结果确定了CFRP约束高强混凝土强度和极限应变的计算模型。
The calculation model of strength and ultimate strain of high-strength concrete wrapped with CFRP is made based on this results.
企业家努力水平是激励强度、监督约束力度及企业家自身动力性人力资本存量的函数。
The effort level of entrepreneur is the function of incentive intensity, supervision, restriction and entrepreneur's dynamic human capital.
试验中,重点考察了水平钢筋的工作机理和强度发挥率,研究了构造柱配筋的受力状态及对砌体的约束作用。
In testing, it is emphasized to test the working principle and strength action rate of horizontal ribs, and studies forced state of structure column and ribs and binding action for bonded structure.
在强度、变形和尺寸限制的约束下寻求最小的重量目标函数。
The min. weight target function is computed under the boundary conditions of strength, distortion and limit of dimensions.
在改善约束实验中,发现氦有积累增加的趋势,氦谱线发射强度径向分布峰向内移。
In the improved confinement experiments, the tendency for helium accumulation to increase has been found, and the peak of radial profile for helium line emission intensity moves inward.
在相同的侧向约束下,高强混凝土柱的核心强度提高幅度低于普通混凝土柱。
For the same lateral confinement, high strength concrete columns develop lower strength enhancement than normal strength concrete columns.
最后在试验结果的基础上提出了考虑尺寸效应影响的纤维约束混凝土试件的强度模型,改进后的模型值与试验结果吻合较好。
Finally, the strength model of the size effect of the fiber-confined concrete was modified according to the experimental results.
将船体作为阶梯薄壁梁,用薄壁梁的约束扭转理论进行扭转强度分析的方法,是目前国内外造船界普遍使用的方法。
The method for torsional analysis of ship hull as a stepped thin-walled beam using the restrained torsion theory has been applied widely in the field of naval architecture.
就混凝土自身而言,产生裂缝的机理一般认为是因为混凝土材料变形受约束所引起的内应力大于材料抗拉强度的缘故。
The mechanism of crack is that internal stress in concrete material caused by its restricted deformation is greater than tensile strength of material generally.
以结构的总重量最小为优化目标,以导管的平均直径和壁厚作为设计变量,考虑强度、刚度和稳定等约束条件。
Total weight of the structure was selected to be optimal objectives. Average diameter and wall thickness of the structural element were taken as design variables.
以结构的总重量最小和结构的总应变能最大为优化目标,以导管的平均直径和壁厚作为设计变量,考虑强度、刚度和稳定等约束条件。
Total weight and seismic strain energy of the structure were selected to be optimal objectives. Average diameter and wall thickness of the structural element were taken as design variables.
以钢管的宽厚比、混凝土强度、钢管高宽比及试件有无纵筋为主要参数进行了20个方钢管约束钢筋高强混凝土轴压短柱的试验研究。
The ductility of the tested columns decrease with the increase of concrete strength and width-to-thickness ratio. (2) 20 square steel tubed RC columns were tested under static axial compression.
本文运用内罚函数法,使一个在颤振、强度和最小尺度等约束条件下的翼面结构重量取极小值。
In this paper an interior penalty function method is applied to minimize the weight of a wing structure under the constraints of flutter, strength and minimum gage.
本文运用内罚函数法,使一个在颤振、强度和最小尺度等约束条件下的翼面结构重量取极小值。
In this paper an interior penalty function method is applied to minimize the weight of a wing structure under the constraints of flutter, strength and minimum gage.
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