1) bending moment density
弯矩密度
2) moment gradient
弯矩梯度
1.
(2) Simplified expressions for elastic distortional buckling of lipped channel beam-columns without moment gradient are proposed,and verified to be adequately accurate.
对卷边槽钢压弯构件的弹性畸变屈曲轴力-弯矩相关性进行研究,考查相关性的主要影响因素,发现腹板翼缘高宽比越大,相关曲线越偏离线性关系;此外,对于腹板翼缘尺寸相同的槽形截面,卷边长厚比越小,相关曲线越偏离线性关系;利用有限条分析方法拟合得到不考虑弯矩梯度的卷边槽钢压弯构件弹性畸变屈曲简化计算公式。
3) deflection/thermal bending moment
挠度/热弯矩
4) torque density
转矩密度
1.
In view of special applications of multi-pole magnetic permanent torque motor used for precise numerical control rotary table, motors with higher torque density and lower torque ripples are needed.
针对精密数控转台伺服直接驱动用多极永磁力矩电机的特殊应用问题(要求电机有较大的转矩密度且较小的转矩波动),在分析该种电机的特殊结构的基础上,提出一种新型不等齿顶宽结构,以提高绕组利用系数,加大电机的转矩密度;并采用转子斜极的方法,可在有效消除转矩波动的同时,电机仍保持较高的绕组利用系数。
2.
This paper presents MMF of a five-phase induction motor with concentrated and full-pitch windings by means of fourier analysis and winding function , which indicates theoretically that the five-phase induction motor with concentrated and full-pitch windings can provide more electromagnetic torque and higher torque density than others.
本文运用傅里叶分析和绕组函数的方法,推导了集中整距绕组五相感应电动机的磁动势,得出集中整距绕组五相感应电机能更好地增加电机的电磁转矩、提高转矩密度。
3.
Starting from the definition of motor power and torque density, the paper calculates the motor power and torque density of Y2 range of three-phase induction motors of IP 54 in detail, analyzes and comprises the calculation results, and give the changing conditions of motor power and torque density of the motor with different no.
从电动机功率密度及转矩密度的定义出发,以Y2系列(IP54)三相异步电动机的技术数据为依据,对Y2系列部分型号规格的异步电动机的功率密度及转矩密度进行了详细的计算,对计算结果进行了分析和比较,并通过图表形式给出了不同极数、不同功率等级电动机的功率密度及转矩密度的变化情况。
5) Density matrix
密度矩阵
1.
The transformation of density matrix of four-level system in solid laser;
固体激光器的四能级系统密度矩阵元的演化特性
2.
Utilizing Kraus operator to analysis the transformation of density matrix of particles of ruby laser;
运用Kraus算子分析红宝石激光器中离子密度矩阵元的演化
3.
Calculating density matrix of one dimession at oscillator ensemble;
一维谐振子系综密度矩阵的计算
6) density matrix procedure
密度矩阵法
1.
The density matrix procedure was employed to calculate the frequency and intensity of main resonance scattering peak at 7 06×10 14 Hz(425nm) and a 1/2 fraction frequency resonance scattering peak at 1/2×7 06×10 14 Hz(850 nm) of silver clusters.
以银原子团簇 (主 )共振散射峰作为共振散射光谱分布理论研究模型 ,采用密度矩阵法研究液相银原子团簇 (主 )共振散射峰 (7。
补充资料:挠度
细长物体或薄物体在受力或受热后弯曲变形程度的度量。细长物体(如梁或柱)的挠度是指在变形时其轴线上各点在该点处轴线法平面内的位移量。薄板或薄壳的挠度是指中面上各点在该点处中面法线上的位移量。物体上各点挠度随位置和时间变化的规律称为挠度函数或位移函数。通过求挠度函数来计算应变和应力是固体力学的研究方法之一。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条