elastic adj. 1.有弹力[弹性]的。 2.伸缩自如的,灵活的。 3.机变的,轻快的。 an elastic body 弹性体。 elastic braces 松紧吊裤带。 elastic force 弹力。 an elastic principle 灵活性的原则。 elastic ribbon 松紧带。 an elastic temperament 开朗的性格。 n. 橡皮线,松紧带,橡皮圈。 adv. -ally
These factors are mainly the compressive strength of rocks , the quality index of rocks rqd , the velocity of elastic wave of rockmass , the slope height , the annual rainfall , and the structural character grade of rockmass 在构造边坡稳定性评价的经典域和节域物元时,关于特征的量值范围可以根据工程实际情况加以调整,说明该方法具有灵活性。
It is a new tool to detect and observe the structure and status of underground media by accurately measuring its transfer function through sinusoidal elastic wave accurately controlled in frequency and stable in phase 它是使用一种精密控制频率和相位稳定的弹性波,对发射和接收两点间的传递函数进行精密测定从而监视和观测地下构造和状态的一种新型手段。
In this paper , on the base of paraxial approximations , we present a set of absorbing boundary conditions of 3d elastic wave equations and apply to the 3d elastic wave numerical modeling in isotropic medium 本文基于傍轴近似法提出了计算三维弹性波方程的吸收边界条件公式,表示了各边界面、边棱和角点处波场所满足的单程波方程,并在三维弹性波数值模拟中进行了应用。
By means of the wavelet transformation the deconvolution is done in the time domain . the dispersive properties of the elastic wave within the impacts acted are analyzed , and with the nonlinear optimization method concerned the impact location is identified 利用小波变换作时域内的解卷积计算,分析了结构在冲击载荷作用下的弹性波的散射特性,结合非线性优化方法实现了载荷冲击位置的识别。
In this paper , a new heterogeneous anisotropic constitutive model of fractured media was presented , and the properties of elastic waves excited from a two - dimensional ( 2d ) point source propagation in 2d fractured rocks were investigated by the pseudo - spectral method ( psm ) 本文提出了一种新的非均匀各向异性随机裂缝介质本构模型,用伪谱法模拟了二维点源产生的弹性波在二维复杂岩石中的传播。
Receiver function is simulated for inhomogeneous media , as a special case for elastic wave modeling with nearly vertical incidence plane p wave as initial condition , and provide the base for inversion and migration of receiver function in inhomogeneous media 以下覆半无限空间近垂直入射平面p波,作为弹性波数值模拟的特例,来模拟接收函数,从而为横向非均匀介质中接收函数的反演和偏移成像问题奠定了研究基础。
The main achievements are concluded in the following paragraphs . the elastic wave equations and the boundary conditions of saw in different media are studied , and the behaviors of saw in the isotropic , anisotropic and piezoelectric media are fully discussed 主要的研究工作总结如下:通过对不同介质中的弹性波方程和表面弹性波边界条件的研究,对各向同性、各向异性以及压电介质中的表面弹性波行为进行了详细的讨论。
A new concept , the skeleton elastic wave velocity ( sewv ) , was introduced to replace the velocities of dry soil , which could reflect the engineering characteristic of soil more accurately . new methods to calculate sewv from measured velocities in saturated soil were suggested ( 6 )提出了含水土体骨架波速的概念,用其代替干土体波速的概念,能更好地反映工程土体的性状。 ( 7 )提出了由实测饱和土体波速计算骨架弹性参数及骨架波速的方法。