elastic layer造句
例句與造句
- The dynamic growth of mode crack in visco - elastic layer
型裂紋的動態(tài)擴展 - Secondly , using the perfectly bonded contact conditions between the layers , the delivery matrix between the electro - elastic layer and normal layer is worked out
再由層間連續(xù)條件，計算由壓電層到一般層的傳遞矩陣。 - The pile is assumed to be vertical , elastic and of uniform cross - section , and the soil is regarded as a linear visco - elastic layer with hysteretic damping
假定樁為豎直彈性等截面體，土為線性粘彈性體，其材料阻尼為滯回阻尼。 - The visco - elasticity of material in the bottom of rock body led to decrease of stress with time in the bottom part and to increase of stress at some places of elastic layers
引入材料的黏彈性，導致了其中應(yīng)力隨時間迅速減小和彈性層某些部位應(yīng)力隨時間的增加。 - Three examples of different layer numbers and different putting methods of electro - elastic layers are given . the calculation of the frequencies of the electro - elastic and normal material plates is of some practical value
用mathematica編制相應(yīng)的計算程序，給出算例，計算不同壓電復合材料的振動頻率，在實際應(yīng)用中具有一定的價值。 - It's difficult to find elastic layer in a sentence. 用elastic layer造句挺難的
- Using the fourier transform due to boundary conditions of simply support , solutions of a single magneto - electro - elastic layer in the form of initial state vector and transfer matrix are obtained in fourier transform space from the state vector equations
對狀態(tài)變量方程進行fourier變換，得到了狀態(tài)變量表示的單層壓電壓磁彈性層合板在fourier變換空間中的解，導出了多層壓電壓磁彈性層合板的表達式。 - The analytic solutions of isotropic elastic layered soil under axisymmetrical , rectangular and strip loads were derived from the basic equations of isotropic elastic mechanics by means of transfer - matrix method . by the result , can easily calculate the additional stress and settlement in layered soil . but these solutions could not properly assess the errors from the elastomer of the bottom layer in foundation soil
從各向同性彈性力學基本方程出發(fā)，利用傳遞矩陣法推導出的多層彈性地基問題在軸對稱荷載、矩形荷載和條形荷載作用下附加應(yīng)力與沉降的解析解，可以方便地求出層狀地基中的附加應(yīng)力和沉降，而他們均沒有考慮最下層彈性體計算深度引起的誤差影響。 - With the consideration of the vertical wave effect of soil and soil - pile interaction , an approximate analytical solution to vertical vibration of pile system with variable impedance in visco - elastic layered soil is developed . a simplified and practical mathematical model for interaction between soil layers is proposed , and its applicability is theoretically investigated . based on this model and by using laplace transforms and the transmit property of impedance function , the analytical expression of the impedance function and solutions of the displacement and velocity response function in frequency domain and in time domain at the pile head are derived
4 、從三維軸對稱土模型出發(fā)，對考慮樁土耦合作用、土層層間聯(lián)系以及樁周土豎向應(yīng)力梯度變化條件下的成層粘彈性土中完整樁及變阻抗樁系統(tǒng)縱向振動問題進行了研究，提出了成層土中變阻抗樁系統(tǒng)縱向振動問題的近似解析解法和樁周土層層間相互作用的簡化而實用的數(shù)學模型，并利用拉氏變換和阻抗函數(shù)的傳遞性，獲得了成層土中任意段變阻抗樁樁頂阻抗函數(shù)的解析表達式，以及樁頂速度導納和時域速度響應(yīng)解析解和半解析解。 - 5 . based on the solutions developed herein , the main features of the interaction between visco - elastic layered soil and an integral pile or a multi - defective pile are systematically analyzed . the influence on the vibration properties caused by soil modulus , the degree of pile defects , and the length and location of the defects are discussed , and many important conclusions are drawn
5 、利用所得解，對成層土中完整樁、變截面、變模量樁的振動特性進行了較系統(tǒng)的分析，并重點討論了土層模量、樁身缺陷程度、埋身、缺陷段長度、激振頻率等對樁項復剛度、樁頂反射波曲線、導納曲線的影響，得到了許多重要結(jié)論。 - Using the analytic method of finite elastic layer to calculate the transmission of the ground vibration , we get the displacement - time curve , acceleration - time curve and transfer function spectrum of ground under moving load , and analyze the result . in practice engineering calculation , this method is wildly used
對于振動在地基中的傳播采用分層法的解析算法，得到了地基土在移動荷載作用下的時程分析曲線、加速度變化曲線以及在不同地質(zhì)條件下的傳遞函數(shù)反應(yīng)譜等，并對計算結(jié)果進行了分析，在實際工程計算當中，這一方法也是廣泛被采用的。 - The paper based on the mechanism of the vibration ' s production and transmission , uses the analytic method of finite elastic layer to calculate the transmission of the ground vibration caused by track traffics . then gets the result of wave numbers - frequency field through solving the wave equation of the three - dimension elastic layer . then gets the dynamic response characteristic of the ground through dispersing the wave numbers
為此本文基于振動產(chǎn)生及傳播的機理，利用了分層法的軌道交通引起地面振動的解析算法，通過解三維彈性體的波動方程得到波數(shù)?頻域的解，離散化波數(shù)域得到地基土的動力響應(yīng)特性，再通過快速fourier逆變換得到空間?時間域的解。 - On the basis of three - dimensional axially symmetrical soil model and taking consideration of vertical wave effect of soil layer , the interaction between visco - elastic layered soil and an integral pile or a multi - defective pile with arbitrary bottom boundaries and its engineering application is systematically studied in this dissertation
本文從三維軸對稱土模型出發(fā)，較系統(tǒng)地對考慮樁周土豎向波動效應(yīng)、任意樁底支承邊界條件下、成層粘彈性土中完整樁及變阻抗樁與土縱向耦合振動理論及其工程應(yīng)用進行了研究。 - Then , considering the existing of the ground water , we can treat the soil layer below the water level as the saturated one and the soil layer above the water level as the single - phased elastic one . using this model , the torsional oscillations of the rigid disk resting on the saturated ground with an elastic layer is studied and the effects of the elastic layer on the foundation ' s vibration are discussed
接著，考慮到地下水的存在，將地下水位以下的土層視為飽和土，地下水位以上的土層視為理想的單相彈性層，按此模型研究了上覆單相彈性層的飽和地基上剛性基礎(chǔ)的扭轉(zhuǎn)振動問題，分析了彈性層的存在對基礎(chǔ)振動的影響。 - And different methods will end with different thickness of overlay . and with reference to the actual conditions of shannxi , using ga to backcalculate the present elastic module , then using elastic layer system to calculate the thickness of overlays , is thought to be the most suitable design procedure
通過分析對比，本文認為，比較理想的補強設(shè)計方法是通過遺傳算法對舊路面各結(jié)構(gòu)層模量進行反演，并通過多層彈性(或粘彈性)層狀體系方法對加鋪層厚度進行設(shè)計。 - Another topic of this article is to try to find a proper overlay design method . by using elastic layer system ( els ) , finite element method ( fem ) , genetic arithmetic ( ga ) back calculation and efficacious thickness method , the paper puts forward four design methods . the results say that the position where the max stress appears is not the only one but varies with the thickness of overlay
根據(jù)陜西省高速公路瀝青路面病害以及使用性能的實際情況，提出了代表彎沉值的計算方法以及下臥層模量的反演方法，在此基礎(chǔ)上利用彈性層狀體系理論、有限單元理論、遺傳算法以及有效厚度法等理論對加鋪層厚度設(shè)計方法進行了研究。