查询词典 stiffness

When we study the continuous purlin and simply supported purlin, we find that the continuous purlin enhance more significative load-carrying capacity and stiffness than the simple-supported purlin.

通过研究发现连续檩条比简支檩条具有较高的承载力和较强的刚度，还能有效降低用钢量，因此连续檩条应用也越来越多。

As a result, the mass matrix, the stiffness matrix, the damping matrix and the excitation coefficient matrices of the dynamics differential equations are random parameter matrices. According to the minimum deviation rule of the mean squares between the random parameter system and the deterministic parameter system, the random mean square deviation vector function between the two systems has been set up and the deterministic parameter system has been solved.

应用Newton-Euler矢量法对挂接车辆系统建立了质量阵、刚度阵、阻尼阵和激励系数阵皆为随机参数阵的八自由度随机参数系统动力学微分方程，并按照随机参数系统与确定性参数系统之间的均方值偏差最小的原则，建立了两系统之间的随机均方偏差矢量函数，由此解出了相应的确定性参数系统

For the raft, an isoparametric element method and VoigtKelvin model are adopted, which can be used to derive viscoelastic element stiffness matrices, a reform of successive approximation of Rayleigh Quotient is used to solve the eigenvalue problem of the composite structure.

对于筏架结构，采用Voiget-Kelvin模型及等参元法，推导了约束阻尼层单元的刚度阵及将Rayleigh商的迭代步骤加以改进的方法来进行特征分析；对于艇体结构与声学介质耦合部分，采用艇体结构的"干"模态作坐标变换。

No-tillage field was compacted from 1 to 10 times with 4GG-170 reaping machine and Xinjiang-2 combine harvester. Soil bulk density and soil stiffness with the increase of reaping machine stepped times were measured.

用4GG-170型收割机和新疆－2号联合收割机在免耕麦茬地上压地1~10次，测定土壤容重和土壤硬度随碾压次数的变化情况。

Soil compaction induced by Xinjiang-2 combine harvester was higher than 4GG-170 reaping machine. Soil stiffness was influenced by Xinjiang-2 combine harvester in depth reaching to 30cm or more. 3~5 times compaction of Xinjiang-2 combine harvester on soil was equal to 10 times above of 4GG-170 reaping machine.

新疆－2号联合收割机使土壤硬度、土壤容重和孔隙度的变化程度大于前悬挂4GG-170型收割机；新疆－2号联合收割机对土壤硬度的影响超过了30cm；新疆－2号联合收割机对土壤3~5次碾压程度相当于4GG-17型收割机碾压10次以上。

According to vibration theory, for many degrees of freedom systems, the flexibility matrix is obtained by reciprocal relations between flexibility matrix and stiffness matrix.

柔度矩阵元素反比于固有频率的平方，即低阶振动的模态和频率信息在柔度矩阵中所占的影响成分很大。

Secondly, the acoustic wave equation is used derive the stiffness matrix of acoustic rectangular element for performing the acoustic field finite element analysis.

第二部分应用声场波动方程式配合二维矩形元素进行声场有限元素分析。

Two finite element analyses were conducted. First, the poroelastic dynamic equations were transformed to Laplace domain and the Galerkin finite element approach is applied to derive the stiffness matrix of rectangular porous element for conducting the finite element frequency domain analysis.

为探讨空间声场之特性，本文将分析方法归纳为二部份，第一部份应用拉普拉斯转换后之多孔线性弹性动态方程以二维矩形多孔弹性元素及 Galerkin有限元素法推导并进行有限元素频域分析。

Do you have pain in your joints or are you suffering from joint stiffness, swelling and redness?

你有你的关节疼痛，或你患有关节僵硬，肿胀，发红？

Based on the multifunctional demand for the effective heat transfer performance ata specified pumping power and structural stiffness,the thermo-mechanical performance of Kagome cells was studied in comparison with the traditional regular triangle,square and hexagon cells with low relative density.

在此基础上，针对轻质蜂窝(相对密度小于0.3)，选取蜂窝面内等效剪切刚度表征夹层结构的承载能力，综合考虑散热能力和结构承载能力，比较了Kagome蜂窝与传统的正三角形、正方形和正六边形蜂窝的性能。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。