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- dynamic elastic constant 动态弹性常数
- The effective elastic modulus of ceramsite is solved by measuring the dynamic elastic modulus of ceramsite concrete and its mortar matrix. 陶粒有效弹性模量系通过测定陶粒混凝土和砂浆基体相应的动弹性模量,然后建立两者的关系式,再采用图解法求得。
- With the increase of initial deviator stress, the dynamic elastic modulus increases greatly under the same level of dynamic strain. 在相同的动应变水平下，随着初始偏移应力的增加，土体动弹性模量有较大幅度的增加；
- There are two criteria,the change of relative dynamic elastic modulus(RDM)and the mass of scaling,for evaluating the resistance of concrete. 采用快速冻融法,以剥落量和相对动弹性模量作为混凝土抗盐冻性能的评定指标,研究了混凝土在3。
- There are two criteria,the change of relative dynamic elastic modulus(RDM) and the mass change,for evaluating the frost resistance of concrete. 采用快速冻融法,以质量变化和相对动弹性模量作为混凝土抗冻性能的评定指标,研究了聚丙烯腈纤维在三个体积掺量0。
- Keywords hysterometer;dynamic hyteresis;elastic constant; 滞后损失仪;动态滞后性;弹性常数;
- The theoretical basis of pulse hammer excitation method used to detect the damage and measure the dynamic elastic modulus of solid wood flooring is briefly explained. 介绍了脉冲锤击法检测实木地板损伤及测定其动态弹性模量的理论依据,并通过有限元模拟与试验验证了其可行性。
- However, the change of the frequency has little effect on the degradation of dynamic elastic modulus.The effect of initial deviator stress is significant. 试验结果表明，随着应变的增大，不同频率荷载作用下土样的动弹性模量逐渐减小，但频率的变化对动弹性模量的衰减规律影响很小；
- The dynamic yield strength and elastic constants of 2# armco-iron and stainless steel at HEL(Hugoniot Elastic Limit) Point were determined by using the shock compression technique. 由2~%23纯铁和不锈钢的冲击压缩实验,确定了它们在HEL(雨贡纽弹性极限)点上的动力学屈服强度和弹性常数。
- The variation laws of dynamic elastic modulus and damping ratio for composite sample of cemented clay?clay are studied experimentally by means of triaxial apparatus. Emphasis is laid on the influence of replacement ratio and confining pressure. 通过动三轴试验研究了水泥土复合试样的动模量和阻尼比的变化规律,着重研究了置换率和围压的影响,提出了一种简单实用的计算复合试样动模量和阻尼比的方法,并给出了由试验确定的归一化公式。
- A test method of velocity measurement for elastic constants of composite material is proposed. 摘要提出了一种实用的声学法测量复合材料弹性常数的方法。
- The dynamic elastic modulus and damping ratio of normally consolidated soft clay subjected to undrained cyclic triaxial loading are investigated at different initial deviator stresses. 通过对萧山正常固结饱和软黏土进行应力控制的循环三轴试验,着重研究了初始偏应力对动弹模量(土动剪模量)及阻尼比的影响。
- The elastic constants C_ 11,C_ 12,C_ 44 of Fe-Ga magnetostrictive material are calculated to be 207 GPa,166 GPa and 108 GPa,respectively. 利用本方法;计算了新型Fe_Ga磁致伸缩材料的弹性系数C11;C12;C44分别为207GPa;166GPa及108GPa.
- The elastic constants C_ 11,C_ 12,C_ 44 of bcc-Fe are 283 GPa,158 GPa and 112 GPa,respectively,which approximately consist with the intrinsic ones. 计算得到bcc_Fe的弹性系数C11;C12;C44分别为246GPa;121GPa;113GPa;与实验值基本一致.
- Directionally solidified superalloy's elastic constants were analyzed by employing statistical and random sampling methods. 通过随机抽样和统计的方法对定向凝固高温合金的弹性常数进行了分析。
- The elastic constants of wood of Cunninghamia lanceolata was determined and the limits of orthotropic model adopted for wood was studied. 测试杉木的弹性常数，研究木材采用正交各向异性体模型的限制条件。
- Elastic constants of RVE are obtained by using FEA software, ANSYS tosimulate, which provide an effective way to FEA calculation. 建立复合墙板的代表性体积单元(RVE)模型,并应用有限元分析程序ANSYS对此RVE模型进行模拟,获得其等效弹性常数,为结构的有限元计算提供了有效途径。
- The key point is confirmed to be the lattice constants when calculating elastic constants,and the basis sets also affect the precision of calculation. 结果表明;在第一性原理弹性系数计算中;晶格常数是决定弹性系数计算准确度的关键因素;势函数的选择也会影响计算准确度.
- The elastic constants of 6 sets of stitched laminates are calculated using the modified homogenization method,and the results are in good agreement with ... 最后应用改进的均匀化方法,求得了6组缝合层合板的弹性常数,计算结果与实验结果吻合较好。
- The effective elastic constants of T700/QY8911 single ply plate of stitched lamina are calculated by the proposed model, and the comparison with unstitched model is also analyzed. 在此模型的基础上分析了T700/QY8911缝合单层板的有效弹性常数，并与未缝合模型进行了比较。
