| 1. | Quasi isotropic material 准蛤同性材料 |
| 2. | A stress - strain relation of an isotropic material to be in elastic anisotropic damage 各向同性材料受各向异性弹性损伤时的应力应变关系 |
| 3. | Deducing the new formaulas of two isotropic materials composite yong ' s modulus from bending model 用弯曲模型推导二组元复合材料杨氏模量新公式 |
| 4. | Measurement of microwave permittivity and permeability of homogeneous and lossy isotropic materials . method of measurement for circular coaxial guide 均匀以及有损耗的各向同性物质的微波电容率和渗透率的测定.圆形同轴导向装置的测量方法 |
| 5. | In this paper , to counter a flexible beam undergoing large overall motion ima refined plate theory for transversely isotropic materials is derived by using elliott - lodge solutions and lur e operator method . the two possibilities 利用elliott - lodge解和lur e算子方导出了横观各向同性板的精化理论,并考虑了本征根 |
| 6. | 2 . eigenequation about singularity , singular stress fields and electrical displacement fields near the axisymmetric interface edge of two bonded dissimilar transversely isotropic materials are obtained under axisymmetric distortion . 3 然后,考虑电学物理量的影响,将上述特殊有限元法应用于压电/压电以及压电/弹性接合材料界面端奇异性的求解。 |
| 7. | 2 ) to improve the elastic caculation model of composite material . based on previous study , the paper put forward two orthotropic composite material models , twice reinforced model and bi - reinforced model , and also a simplified isotropic material model for engineering 2 )密肋复合墙体复合材料计算模型的完善结合课题组前期的研究成果,就墙体在弹性阶段的复合材料问题,提出两种正交各向异性复合材料计算模型:二次单向纤维加强模型和双向纤维加强模型。 |
| 8. | In the first part of this thesis , history of ptr technology and measuring equipment were introduced . we have summarized the continuously modulating ptr theory of isotropic materials , and formed a complete system info concluding one dimension and three dimensions theories , monolayer and multilayer theories 本文前半部分简单叙述了ptr技术的研究历史和测量装置,较为系统地总结了各向同性材料的连续调制ptr理论,形成了从一维到三维、从单层至侈层的完整理论体系。 |
| 9. | The main work lists as following : 1 on the condition that cfrc is an macroscopically isotropic material , the governing equations of electric and thermal conduction for the inspection were established ; the current density and joule heat distribution around several kinds of flaws were investigated 2 by fem , the process of inspection was simulated ; the current density , joule heat and temperature distribution were also investigated , and the simulation results were contrasted with experimental data 主要工作为: 1 、将机敏混凝土合理假定为宏观各向同性材料的基础上,建立了检测过程中的热、电传导相关的控制方程;并研究了几种不同缺陷周围检测过程中的电流密度、焦耳热分布规律。 2 、通过有限元方法对机敏混凝土的电热场进行了模拟分析,研究电流密度、焦耳热分布及试件表面温度分布变化规律并与实验所得试件表面温度场进行了对比分析研究。 |
| 10. | ( 1 ) assuming that the gfrp rods is transversely isotropic material . derive the micro - mechanical model of splitting failure in concrete reinforced with gfrp rods . analysis the stress and its distribution of the cracked concrete around the gfrp rods , finding the relations of the number of cracks and the crack radius and the stress around the interface of concrete and gfrp rods ( 1 )将玻璃钢筋视为横观各向同性材料,推导了gfrp筋增强混凝土劈裂失效的细观力学模型,分析了玻璃钢筋周围混凝土开裂时的应力及其分布情况,得到了裂纹数量、开裂半径与玻璃钢筋/混凝土界面周围应力的定量关系。 |