Optimization of the truss with displacement constraint using member-area-increasing iteration
用杆件截面递增迭代法对位移约束桁架进行优化设计
The results show that bolts can offer both stress constraint and displacement constraint to rock mass, and provide a basis for support design and stability.
验证了注浆加锚岩体在承载过程中具有应力强化特性;反映了注浆加锚岩体破裂和变形的发展过程;揭示了锚杆对岩体提供应力和位移约束机理。
Using Kuhn-Tucker necessary conditions,a multi-displacement constrained problem is simplified to a single displacement constraint and called the most critical displacement constraint,eliminating the need to calculate a large set of lagrange multipliers for the effective constraints and deriving an optim.
用Kuhn-Tucker(库恩-塔克)必要条件将多个位移约束简化为单一位移约束(称为最临界位移约束),建立位移约束下的优化设计准则。
The optimal topology model of three-dimensional continuum structure based on ICM is established(Independent Continuous Mapping)method,which refers to weight as objective and subjected to stress constraints and displacement constraints with multi-load-cases.
基于ICM方法,建立了在应力和位移约束下以重量为目标的多工况下的三维连续体结构拓扑优化模型。
Based on the filter function,the displacement constraints are expressed approximately by Mohr theorem.
采用独立于截面及形状参数的连续拓扑变量,借助于过滤函数,位移约束用莫尔定理显式化,频率约束用瑞利商求导数借助模态动能及模态应变能近似显式化。
The procedure of formulating and solving the topology optimization model with ICM method is illustrated by the example of topology optimization problem with displacement constraints.
以位移约束为例阐述了ICM方法建模及求解过程。
In this paper,during building broadband acoustic model based on beam-displacement ray-mode theory(BDRM),fast arithmetic for approximate normal-mode calculation of broadband acoustic signals in shallow water with a thermocline is proposed based on an expansion of eigenvalues,eigenfunctions and modulus decay with respect to frequency.
本文在波束位移射线简正波(BDRM)理论基础上实现宽带声场建模,在宽带建模过程中利用频域展开方法对宽带信号的本征值、本征函数和衰减系数进行插值计算,减少繁琐的方程解算,提高了计算速度,缩短了计算时间。
Experimental Studies of Modified Method of Partial Fascicles Transfer of Ulnar Nerve for Treatment of Musculocutaneous Nerve Defect;
改良尺神经部分束支移位治疗肌皮神经缺损的实验研究
Clinical Use of Partial Median Nerve Fascicle Transfer for Reconstruction of Elbow Flexion
正中神经部分束支移位重建屈肘功能的临床应用
Anatomical Study and Clinical Application of a Single Fascicles of the Ulnar Nerve Transfer to Biceps Brachii of Musculocutaneous Nerve;
尺神经单束支移位于肌皮神经肱二头肌肌支的解剖学研究与临床应用
Research on the story drift and allowable value index of buckling restrained braced frame structure
屈曲约束支撑框架层间位移及其限值的探讨
A simplified method for determining elasto-plastic drift of buckling restrained braced frame with semi-rigid connections
屈曲约束支撑半刚性连接框架弹塑性地震位移简化计算
There are several methods of calculating support constrained force onstatically indeteminate structure, among which force and displacement methodsare often used.
关于求超静定结构支座约束反力的方法很多,常用的方法是力法和位移法。
Study on Deformation of NURBS Surface Using Point-Displacement Constraint
基于点位移约束的NURBS曲面变形研究
Carrier Envelope Phase Sliping of Pulsed Gaussian Beams with Constant Spectrum Width
等谱宽脉冲高斯光束的载波相位漂移
A Design of 64-bit Barrel Shifter with SIMD Mode;
支持SIMD模式的64位桶形移位器设计
Research on Financial Service for Rural Labors Smooth Shift;
农村劳动力有序转移的金融约束与金融支持
Pointing beams of light at different parts of the slime mould means that different legs move.
对粘菌不同部位打下光束，使不同的脚移动。
For each beam position the amount of phase shift is calculated for each radiating element.
在每个波束位置为每个辐射单元计算相移量。
centre beam convergence shift
中束会聚位移-六极校正：一字形排列电子枪
Repairment of Long Achilles Tendon Defect with Tendon Transposition and Iliotibial Band Transplantation
肌腱转位联合髂胫束移植修复大段跟腱缺损
IMPROVED ZIGZAG METHOD APPLIED TO SIZING OPTIMIZATION DESIGN OF TRUSS SUBJECTED TO DISPLACEMENT AND STRESS CONSTRAINTS
位移约束桁架尺寸优化设计的改进齿形法
3-D Nonliner Contact Analysis Based on Constrain Function Method under Large-displacement Effect
基于约束函数法的大位移三维非线性接触分析
Goos-Hnchen Shift of a Light Beam in One-Dimensional Photonic Crystals
光束在一维光子晶体中的古-汉位移特性
A STRUCTURAL TOPOLOGICAL OPTIMIZATION METHOD WITH VARIABLE DISPLACEMENT CONSTRAINT LIMITS
一种变位移约束限的结构拓扑优化方法