动态弯矩因子,dynamic bending moment factor
dynamic factor动态因子
1.The main steam temperature regulating system has features of multiinput and multioutput, its mathematic model can be represented by using state equation, and the state equation of said system is solved in emulation by applyingdynamic factor and dynamic matrix.电站主蒸汽温度调节系统具有多输入、多输出的特点,其数学模型可以用状态方程来表示,并在仿真中运用动态因子法与动态矩阵可求解系统状态方程。
2.Through a theoretical analysis and mathematical derivation thedynamic factors affecting calculation precision have been identified, thereby acquiring a method for realizing a fully approximating analytical solution.通过理论分析和数学推导，找出影响计算精度的动态因子，从而获得能够充分逼近解析解的方法。
3.By means of theoretical analysis, the error formulas, the error sign criteria and the error relationship criterion of implicit Euler method and trapezoidal method are given, thedynamic factor affecting the computational precision has been found, and the formula and the computational methods on thedynamic factor are given as well.通过理论分析,给出隐式欧拉法和梯形法的误差计算公式、误差符号及首次误差关系判断准则,找到影响计算精度的动态因子,给出动态因子的计算公式及计算方法,从而提高了此类模型的计算精度。
3)column moment柱子弯矩
1.Using ETABS software,the paper establishes the framing system models of column foot fixed and hinged staggered truss in 12 and 20 floors,and analyzes the influence of the truss chord and column on thecolumn moment and frame displacement with different connection modes,and also considers the second-order effect of thecolumn moment and frame displacement.利用ETABS程序建立柱脚固接和柱脚铰接的12层和20层的交错桁架结构体系模型,计算分析桁架弦杆与柱采用不同连接方式对柱子弯矩和结构侧移的影响,并考虑柱子弯矩和结构侧移的二阶效应。
4)dynamic bending moments动弯矩
5)dynamic penalty factor动态罚因子
1.Firstly,to lessen the large computation burden and to avoid the divergence of the system-level optimization,a technique named asdynamic penalty factors is used,which has higher optimization efficiency,secondly,the orthogonal experimental design(OED) is used to choose the initial design vector to converge more quickly.在分析协同优化过程基本流程的基础上,针对现有过程中系统级协调算法计算量大、容易发散等缺点,提出了动态罚因子算法,该算法计算量小,优化效率高。
2.The penalty function approach was applied to turn the system-level compatibility constrained optimization problem to a no-constrained optimization problem and the expression ofdynamic penalty factor was determined by interdisciplinary discrepancy information.采用罚函数法将学科间一致性约束条件下的系统级优化问题转化为无约束优化问题,利用学科间的不一致信息,构造动态罚因子的表达式。
6)dynamic muti-factor动态多因子
1.Adynamic muti-factor authentication scheme was designed base of the USB–Key, it may more security than two factor authentication .在运算型USB-Key的双因子认证的基础上,设计了一种动态多因子认证方案,比传统的双因子认证具有更高的安全性,并依据方案在某基于VxWorks的嵌入式平台实现了认证系统。
延伸阅读
动态①（事情）变化发展的情况：科技～ㄧ从这些图片里可以看出我国建设的～。②艺术形象表现出的活动神态：画中人物，～各异，栩栩如生。③运动变化状态的或从运动变化状态考察的：～工作点ㄧ～电流ㄧ～分析。
