1) numerical integration method
数值积分法
1.
Global probabilistic seismic capacity analysis of structures based on Zhou-Nowak numerical integration method;
基于Zhou-Nowak数值积分法的结构整体概率抗震能力分析
2.
The first is to find the explicit expression for the average additional stress coefficient integral with Matlab software,and the second is to calculate using the traditional numerical integration method.
采用了两种方法进行计算:一是借助于Matlab推导出平均附加应力系数积分式的结果显式表达式,从而代入公式对附加应力系数进行直接计算;二是基于积分式采取数值积分法求解。
3.
The foundation described by fractional derivative model,Built the dynamics equation of machine-foundation,and got the numerical solution with the Zhang-Shimizu fractional derivative numerical integration method,discuss the effect of fractional derivative operator and visco-elastic ratio parameter.
粘弹性基础采用分数导数Kelvin本构模型,建立了分数导数描述的粘弹性基础-动力机器系统的动力学有限元方程,Zhang-Shimizu分数导数数值积分法给出了数值解,讨论了分数导数算子和粘弹比对系统的影响。
2) numerical integral method
数值积分法
1.
A new method——numerical integral method for calculating the diameter and height of spray dryer was(presented).
提出了计算喷雾干燥塔直径和高度的一种新方法———数值积分法。
2.
A nonlinear analysis program for capacity of T-shaped columns with numerical integral method is complied.
采用数值积分法编制了T形截面柱正截面承载力非线性分析程序,对5种不同配筋的等肢T形截面柱,在不同轴压比下的Mx—My曲线进行了计算,分析了不同荷载角的极限弯矩变化规律,探讨了截面配筋对截面承载能力的影响,得出了等肢T形截面柱的合理配筋。
3.
The numerical integral method is presented to calculate the landslide thrust of circular slip surface based on the principle of the conventional passing coefficient method by division blocks to calculate the landslide thrust of slip surface combined by several lines in China.
基于国内折线滑面滑坡推力计算传统的分块传递系数法原理,提出了适用于圆弧滑面滑坡推力计算的数值积分法,推导了有关的计算公式,编制了实用的计算程序。
3) numerical integration
数值积分法
1.
In order to obtain the numerical solution of ordinary differential equation,this paper utilized the numerical integration,and used Hermite Interpolation,infered a sixth order implicit linear multistep formula on three equal-spaces pitch points.
为求解常微分方程数值解,文中运用数值积分法,采用埃尔米特插值多项式,推导出三个等距节点的六阶隐式线性多步法公式;并且对所建立公式的精度进行了分析;进一步通过实例运用计算机编程将阿达姆斯外推法等线性多步法和所建立的公式进行了精度比较。
2.
The dynamics model and space state equations of rigid magnetic suspension rotor system were established and analyzed by numerical integration approach.
为了研究某磁悬浮转子的非线性动力学特性,考虑了系统非线性因素的影响,由Taylor级数展开得到非线性电磁力的表达式,建立了刚性磁浮轴承转子系统动力学模型和空间状态方程,用数值积分法对其进行分析。
3.
The construction of boundary type cubature is a problem that has been noticed for a very long time in numerical integration.
边界型求积公式是数值积分法研究方向早就被注意的问题。
4) step-by-step numerical integration method
逐步数值积分法
1.
The finite element static condition of the soil body is analyzed based on Duncan-Chang non-linear model,the dynamic equilibrium differential equation is solved with Wilson-θ step-by-step numerical integration method,and the resistant liquidation degree is used to judge if the soil body is liquidated.
基于邓肯—张非线性模型对土体进行有限元静力计算分析,采用Wilson-θ逐步数值积分法求解动力平衡微分方程,并采用抗液化安全度判别土体的液化程度。
5) Newmark numerical integration method
Newmark数值积分法
6) numerical integral method
数值积分方法
1.
This paper studies round steel tubular members on the changing of their ultimate load-carrying capacity under general damaged conditions through numerical integral method.
以受损伤的圆钢管杆件为研究对象,采用数值积分方法研究其在一般受损条件下的轴压极限承载力的变化情况。
2.
This paper studies round steel tubing members,which are widely used in power transformation structures,on the changing of their ultimate bearing capacity under general damaged conditions through numerical integral method.
以电力构架中常用的圆钢管构件为研究对象,采用数值积分方法研究其在一般受损条件下的轴压极限承载力的变化情况。
补充资料：数值积分法
数值积分法
integration, numerical
数值积分法[加峡”d佣，一回;ItIt砚印HpoB阴能”Hc月eHHoe} 通过数值方法求积分.数值积分法应用于下列情形:被积函数通过表格近似给出;或者虽然被积函数精确给出，但在给定的精确度范围内用数值积分法比用精确方法求出结果要快得多;或者最后，由于所给积分不能用已知函数表示，从而不可能用精确方法.对于数值积分法，已导出各种求面积(单变量情形)和求体积(计算多重积分)公式(见求积公式(quad-mture fomlu】a)，求体积公式(cu比tule lbrmula)).亦见计算数学中的插值法(interpolationin~ricalmat】len益沈康s).
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