1) initial velocity field
初始速度场
1.
The initial velocity field is more close to the last velocit.
在保证计算精度的情况下,以减少迭代步数和提高计算效率为目标,提出基于工程法和细分单元法设定初始速度场。
2) initial velocity
初始速度
1.
The effects of number and size of elements in the contact area in the steady stage of a rolling process as well as the initial velocity of the plate on the finite element analysis were analyzed and reasonable simulation parameters in a rolling process with FEM were attained, which was used to analyze the rolling force regularity of medium plat rolling in one steel work.
分析了轧制过程稳定阶段接触区中厚板单元数、轧辊单元尺寸以及中厚板初始速度选择对有限元分析计算结果的影响, 得出了合理的轧制过程有限元模拟参数, 并对某中厚板厂15道次轧制过程轧制力变化规律进行了分析, 稳定阶段轧制力计算结果与实测结果非常接近。
2.
The program indicates that the initial velocity is a variable.
根据Bridgman 法生长HgCdTe 晶体过程中溶质CdTe 的分布规律,推导了缩短初始过渡区长度、增加组分稳定区长度的最佳初速度表达式,从式中可看出:初始速度为一变数。
3.
Resorting to Runge-kutta method to solve the simply supported axial pre-statically loaded bar s buckling impulse under the half-sin impact load, this paper is to probe into the relationship between buckling impulse, and pre-static load, impact load, initial deflection, initial velocity respectively.
运用龙格 -库塔方法求解两端简支的轴向预静载杆在半正弦冲击载荷作用下的屈曲载荷 ,分析屈曲载荷与静预载 ,冲击载荷 ,初始几何缺陷 ,初始速度之间的关
3) Temperature initial field
温度初始场
4) initial acceleration
初始加速度
1.
The effect of pressure differences on the initial acceleration of flow,the mean axial velocity component w_m,the flow rate q,the distance of reattachment point z and so on have been discussed.
讨论了压力差的变化对流体初始加速度、平均轴速分量wm、流量q和再附着点距离Z等的影响,给出了在压力差变化的情况下wm、q、Z和时间的关系曲线。
6) initial velocity model
初始速度模型
1.
Automatically building the initial velocity model in the seismic crosshole tomography.;
井间地震层析成像中自动生成初始速度模型的方法研究
2.
The paper summed up systematically the major techniques, such as the build-up of initial velocity model, selection of grids and analysis and interpretation of the final near surface model etc.
给出了层析反演静校正技术的基本原理;讨论了初始速度模型的建立、模型空间范围的确定、模型底界和替换速度的选取等;在网格的确定上提出了在保证迭代收敛的前提下应尽量的小,以最大程度地解决长波长静校正问题的思路。
3.
Using a production area in an oilfield along the northwest margin of Junggar Basin as a case,several problems to influence post-stack seismic inversion,such as mixed-phase wavelet extraction,initial velocity model building and multi-well constraints,are analyzed under different observation times between well log and seismic data.
以准噶尔盆地西北缘某油田开发区叠后地震反演为例,在测井信息与地震信息观测时间不同条件下,对影响叠后地震反演结果的混合相位子波提取、初始速度模型建立和多井约束等问题进行了分析。
补充资料:速度滑冰场
速度滑冰场
冰上运动场地。是由两条直道连接两条半圆弯道组成的封闭式跑道。最大周长400m,最小周长3331/3m,两条跑道的内半径25-26m。每条跑道宽4-5m,在一侧直道的末端设置终点,另一侧直道上设置换道区。周长400m、内弯道半径25m、跑道宽5m的速滑跑道,直道长223.96m,内弯道长80.11m,外弯道长95.82m,换道区相差0.16m。周长400m、内弯道半径26m、跑道宽4m的速滑跑道,直道长220.86m,内弯道长83.25m,外弯道长95.82m,换道区相差0.07m。周长3331/3m、内弯道半径25m、跑道宽5m的速滑跑道,直道长157.24m,内弯道长80.11m,外弯道长95.82m,换道区相差0.16m。周长3331/3m、内弯道半径26m、跑道宽4m的速滑跑道,直道长154.16m,内弯道长83.25m,外弯道长95.82m,换道区相差0.lm。跑道的分界线要用整齐的雪线画出,并一直延伸至换道区。雪线要保证不冻结在冰面上。如无雪,可用宽5cm,长10cm,高不超过5cm的橡皮块、木块或其它合适的物块涂上协调颜色,按规定距离摆好,代替雪线。在弯道前、后15m内,橡皮块之间距离为0.5m,弯道中间橡皮块间距为lm,直道上橡皮块间距10m。终点线为红色,预备起跑线为红色虚线,其它各线均为蓝色,线宽5cm。起、终点线均与直道线或有道延长线垂直。预备起跑线距起跑线为lm。终点线后5m处,每隔lm标出一条清晰的色线。
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