推倒分析中的关键是加载模式的选取和目标位移的求取。
The key of push-over analysis method is load pattern and target displacement.
因此,在基于位移的抗震设计中,目标位移的确定非常重要。
Therefore, in the displacement-based seismic design, the computation of the target displacement is very important.
对应每阶振型下推覆分析的目标位移采用非弹性能力谱方法来计算。
The target displacement of each mode pushover analysis can be obtained by inelastic spectrum.
结构的目标位移根据其性能水平确定,并用假定的侧移模式给予修正。
The target displacement is determined according to the corresponding performance level, and the lateral displacement curve is modified by the assumed lateral displacement mode.
评述了静力推覆分析方法中应用能力谱方法确定结构目标位移的应用情况。
The displacement demand (target displacement) of pushover analysis by adopting capacity spectra method is discussed.
能力谱法可以用来估计结构的目标位移,在该方法中弹塑性反应谱常用于需求曲线的建立。
The target displacement of a structure can be predicted by capacity spectrum method, where the demand curves are often constructed by elastic-plastic response spectra.
这意味着在基于位移的设计中,还应该以R取值为依据,对顶点目标位移的确定方法进行修正。
It shows that, in displacement-based seismic design, we also should improve the target roof displacement computing method based on the value of r.
另外,利用非弹性需求谱确定结构的目标位移是现在的发展趋势,因为它避免了繁琐的非线性时程分析。
On another hand, the seismic performance got from inelastic demand spectrum was increasingly popular because it avoids the complicated nonlinear time history analysis.
从结构的目标位移和位移延性需求出发,使用该方法不需线性置换结构和迭代过程即可完成结构的抗震设计。
Considering the given target displacement and ductility demand, the seismic design can be done easily without linear elastic substitute structure and iterative procedures.
分别以位移、弯矩及整体受力状态为控制目标来确定成桥时吊杆内力。
The internal force of the hanger rods when completing the bridge shall be determined by displacement, bending movement and the integral forced status as the control objective.
轻钢加层结构的层间位移可以满足预期目标。
Light gauge steel storey-adding structure can satisfy the expected goal.
第二步是以车轮的质量为目标函数,以车轮的应力、径向及横向位移为约束函数,以车轮辐板形状为设计变量进行设计。
The second step is taking the mass of wheel as target function. The stress, radial and cross displacement of wheel as restrain function, the spoke profile of wheel as design variable.
一个简单的几何图形,一个单纯的构造要素,通过重复位移、变形等手段,尝试造型的可能性,这是我们开始所确立的目标。
A simple geometry, a simple structural elements, by repeating the displacement, deformation and other means to try to shape the possibility of form, This is the goal what we began to established.
本文设计一种多目标平面运动状态测量系统用于炮身后坐位移及上架跳高的测量。
A measurement system which is used to measure the displacements of gun body and gun carriage has been introduced in this thesis.
用ICM方法建立了静位移及频率约束下、重量最小为目标的连续体结构拓扑优化模型。
The topological optimization model of continuum structure that minimizes weight and subjects to static displacement and frequency constraints is established by ICM method.
以刀具—工件系统的相对振动位移振幅最小为目标,完成铣削加工参数和铣刀几何参数的设计。
The design of milling process parameters and geometrical parameter of milling cutter is accomplished to obtain the minimum amplitude of relative vibratory displacement in cutter-workpiece system.
通过实验结果可以看出,该算法不仅能适应复杂多样的背景环境,而且对运动目标的连续检测能力具有位移不变、伸缩不变和旋转不变的特性。
Experimental results show that the algorithm has an invariant property with respect to the shift, scale and rotation of the moving target in the continuing detection of moving targets.
介绍了一种以目标形心位置和帧间位移测量的多目标跟踪方法。
A method for tracking multiple targets based on measurement of target image centroid position and offset from image sequence is presented.
这种可补偿型光纤位移传感器的输出与传感器光源的特性、环境介质以及被测目标表面的性质无关。
The outputs of this kind of optical fiber reflective sensor are independent of the characteristics of the light source, of the losses in the ambient medium and the target reflectivity.
针对图像序列中红外弱小目标的检测与跟踪中遇到的难点,即信噪比低、帧间相对位移小等问题,提出一种基于小波提升框架及小波能量的目标检测算法。
To solve the difficulties in dim target detection, such as low SNR and small-scale displacement, a new automatic target detection algorithm based on lifting scheme and wavelet energy is proposed.
空间智能桁架结构的最优控制问题是一个多目标问题,需要综合考虑结构的强度、位移和控制能耗。
The optimum control of intelligent space truss structures is a multi-objective issue. The strength, displacement of node and energy consumption need to be controlled simultaneously.
以位移控制为目标,通过调整锚杆的位置,对单支点桩锚支护结构的设计进行优化。
Finally, the design about the single fulcrum pile_anchor retaining structure is optimized by adjusting the position of anchor to make the displacement of the top end of the pile the smallest.
当诱导域与试验域之间的色调差增大时,试验目标色觉位移的幅值减小,而色觉位移矢量偏离恒定色调线的偏向角却增大。
When the hue difference increased, the magnitude of color shift in test target decreased, but the deflection Angle of color shift vector from constant hue line increased.
为了有效地控制直线冰箱压缩机的活塞位移,提出了一种以活塞上死点位移为控制目标的可自调整规则的模糊控制系统。
In order to effectively control the piston displacement of a linear refrigerator compressor, a new fuzzy control system based on self-adjusting was proposed.
利用此特性,对图像识别中的一种情况,即不同位移及不同尺度下同一目标的识别提出了新的方法。
Using this feature, a new method for identifying the same kind of objects under different scale or translation is proposed.
通过改进的三帧差分法计算运动目标的位置,控制X、Y轴电动位移台跟踪目标。
X axis and Y axis electric moving stages are driven to track object based on its position which is calculated by improved 3 frame difference algorithm.
通过改进的三帧差分法计算运动目标的位置,控制X、Y轴电动位移台跟踪目标。
X axis and Y axis electric moving stages are driven to track object based on its position which is calculated by improved 3 frame difference algorithm.
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