| 1. | The evolution of shock waves in a viscoplastic bar with variable section
粘塑性变截面杆中冲击波的演化 |
| 2. | Semi - analytical solution for vibration of pile with variable section in layered soil
分层土中变截面桩振动问题半解析解的研究 |
| 3. | Study on vertical vibration of viscoelastic pile with variable sections in layered soils
双层地基中瑞利波引起的桩土竖向共同作用 |
| 4. | Variable section beam
变截面梁 |
| 5. | A number of constructions drawing method and their rule that are similar like variable section arch
一束形似变截面圆拱的构造图式方法及其规律 |
| 6. | 2 . longitudinal vibration of pile with variable impedance ( variable sections or modulus ) in layered soil undergoing arbitrary load is theoretically investigated
2 、对成层土中变阻抗(变模量或变截面)桩在任意激振力作用下的纵向振动特性进行了研究。 |
| 7. | Taking advantage of hear forces current theory ? this paper deduces the formula of bending shear stresses , in which the influences of axial force , bending moment , variable section depth and the variable thickness of top slab , bottom slab and webs are taken into account
本文利用“剪力流理论”推导出了弯曲剪应力的公式，该公式不仅计及了轴力和弯矩对弯曲剪应力的影响，还计及了截面高度、顶板、底板及腹板厚度变化对弯曲剪应力的影响。 |
| 8. | Based on the solutions proposed herein , the longitudinal vibration properties of an integral pile in a uniform soil or layered soil , a pile with variable sections or variable modulus in a uniform soil are discussed respectively . the influence on the curves of complex stiffness , mobility and reflection wave of pile caused by soil modulus , the degree of pile defects , and the length and location of pile defects are emphatically discussed . 3
利用所得解分别对均质土中完整桩、成层土中完整桩、均质土中变截面桩和均质土中变模量桩的纵向振动特性进行了分析，重点讨论了土层模量变化、桩身缺陷程度、缺陷段位置、缺陷段长度等因素对桩顶复刚度、速度导纳和反射波曲线的影响。 |
| 9. | The exhaust system and muffler are simplified as a set of 1 - d pipes with non - isentropic flow and with variable sections . the partial differential equations of non - stationary flow are transferred into the stationary differential equations by means of the characteristic lines . these equations are solved by finite difference method
在排气管系的计算中将排气管简化为一组一维非等熵变截面管，并通过“特征线法”将描述其运动的非定常流的偏微分方程转化为常微分方程，再用差分数值方法依靠计算机求解。 |
