A method to solve transient temperature field probleems of thin plates by using combination of BEM and the Laplace transform is described.
论述了用拉氏变换和边界元法相结合求解薄板非稳定温度场的方法。
By using the Laplace transform technique, the one-dimensional analytical solution of dynamic response for biphasic saturated porous media.
并利用拉普拉斯变换技术,得到了液饱和两相多孔介质一维问题的动力响应解析解。
The temperature profiles of the flames are calculated from measurements of the fringe shift by solving Abel-type integral equation with the Laplace transform.
根据这一原理对酒精灯火焰和氢气火焰的温度分布进行了全息干涉计量。
A reciprocal theorem of dynamics for potential flow problems is first derived by means of the Laplace transform in which the compressibility of water is taken into account.
基于势流理论,考虑流场的可压缩性,首先利用积分变换导得了势流问题的一个动力学倒易定理。
Two solving methods are deduced using Laplace transform: the direct solving method and the state-space method.
运用拉普拉斯变换推导出其两种求解方法:直接求解法和状态空间法。
By the relationship of Laplace transform and Z-transform, the ARMA time series model for this system is obtained.
应用拉氏变换和Z变换间关系,得到系统的ARMA时间序列模型。
Based on the limited momentum propagation velocity, this paper presents the solution of the transient momentum equation by Laplace transform. The distribution functions of velocity and eddy are given.
在考虑瞬态过程中动量扩散速度基础上,用拉普拉斯变换法对无限长平板突然起动瞬态动量定解方程进行了求解,并按涡量定义求出涡量分布函数。
Then by using multi-dimension Laplace transform, the computation formula of nonlinear transfer function matrices for MIMO bilinear system are deduced.
然后,利用多维拉普拉斯变换,推导出双线性系统非线性传递函数矩阵的计算公式。
Based on the gas flowing equation, each unit dynamic mathematical model was established using linearization and Laplace transform.
根据气体流动方程,通过线性化和拉氏变换,建立各单元的动态数学模型。
The creep of a skin layer under a distributed surface pressure was solved by an analytical method using Hankel transform and Laplace transform.
本文利用积分变换方法求解皮肤层在表面压力作用下的蠕变响应问题。
It will introduce the responses of the step, ramp and impulse input for mechanical and circuit systems by using Laplace transform.
本课程将介绍机械与电路等系统的模式,利用拉氏转换决定步阶,斜坡及脉冲等输入的响应。
Then the numerical inversion of Laplace transform (NILT) is employed for the time domain response of the interconnect circuits.
在此基础上运用数值反拉普拉斯变换(nilt)法分析互连电路的时域响应。
Laplace transform pairs of typical signals can be looked up in the table of Laplace transforms. Laplace integral forms of some signals can be calculated with the table of integrals.
典型信号的拉普拉斯变换对有表可查,有些信号的拉普拉斯积分式也有积分表可查,但实际上还有一些信号是查不到的。
In this paper, the inverse Laplace transform via. fast Fourier technique was presented to solve the inverse heat conduction problem.
本文用通过快速傅里叶变换来进行逆拉氏变换的方法解决导热逆问题。
Their results show that the dynamic boundary element method is effective in the analysis of soil-structure interaction. boundary integral equation, potential function. Laplace transform.
结果表明动力边界单元法在土一结构动力耦合效应问题中的分析是一种有效的方法。
In this paper, Laplace transform is applied to solve a solution of mixed question which satisfies the second boundry condition of the wave equation.
本文应用拉普拉斯变换,求出了一个波动方程第二边界条件的混合问题的解。
The author has discussed two integral transforms for 2.5-D transient electromagnetic forward modeling, namely, inverse Fourier transform and inverse Laplace transform.
这里讨论了瞬变电磁法2.5维正演模拟中的两个积分变换:傅里叶逆变换和拉普拉斯逆变换。
Thesecond page uses the inverse Laplace transform to compute the symbolic responseto a step change in position as a function of time.
第二页:使用了逆解拉普拉斯变换,来计算作为位置阶跃变化的时间函数的象征响应。
The analytical expressions for the dynamic stresses and perturbation of magnetic field vector are obtained by means of a finite integral transform and Laplace transform.
给出一种解析方法求解在两种热载荷冲击作用下,正交各向异性圆柱体的动应力和磁场矢量扰动的集中效应。
Then we obtained the equations of the survival probability of two risk models with constant interest which have studied in chapter three by means of Laplace transform and change of the model.
然后将第三章的两个模型分别推广到带常利率情形,利用模型转换和拉普拉斯变换得到了生存概率满足的关系式。
The laplace-transform method is only applicable to the frequency domain analysis for linear circuits.
拉普拉斯变换法只适用于线性电路的频域分析。
Laplace transform is used to combine output and input, then the impulse response and equivalent operations of system input and output are gained.
用拉普拉斯变换式对微分方程进行变换,把输出和输入联系起来,得到脉冲响应与系统输入输出之间的对等关系。
At first, we get the integro-differential equation satisfied by the expected discounted penalty function by using the method of renewal, and hence Laplace transform of it is derived.
首先通过更新论证的方法得到罚金折现期望满足的积分-微分方程,然后推导拉普拉斯变换的表达式,并就索赔额服从指数分布的情形得到了罚金折现期望的精确表达式。
The language of classical techniques is the Laplace or z-transform and transfer functions.
经典技术的表述语言是拉普拉斯或z变换以及传递函数。
The testing curves of 200 wells are matched by using Laplace transform and inverse operation to determine the time-limit of each stage and the practical software is also edited.
利用数值拉氏 变换和反演变换拟合了200多口井的实测试井曲线,确定其各划分段的时间界线,并编制了实用软件。
The actual solutions can be acquired by inverting the Laplace-Hankel transform. The influence of Poisson's ratio, pumping method and time on the surface displacement of multi-layered soil is analyzed.
通过相应的逆变换,得到了该问题的真实解答,并分析了泊松比、抽水形式和时间对饱和层状地基地表位移的影响。
The actual solutions can be acquired by inverting the Laplace-Hankel transform. The influence of Poisson's ratio, pumping method and time on the surface displacement of multi-layered soil is analyzed.
通过相应的逆变换,得到了该问题的真实解答,并分析了泊松比、抽水形式和时间对饱和层状地基地表位移的影响。
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