Design and application of the lining loop wheel machine in the variable cross-section tunnel;
变截面隧道衬砌台车设计与使用
Distributed transfer function method for timoshenko beam of variable cross-section;
用传递函数方法求解变截面纵横弯曲梁
Experimental study of heat transfer in snake-shaped variable cross-section channels with different ribs heights;
变截面U形通道内肋高对换热特性影响的实验
The impression cylinder of J2108 offset press is regarded as research object in paper,and the deflection of cylinder is researched as simply supported beam with variable cross section.
以J2108型胶印机压印滚筒为研究对象,将滚筒挠曲变形作为变截面简支梁问题来研究,考虑重力载荷影响,通过积分法得到滚筒在印刷压力和重力载荷作用下的挠曲变形方程和曲线,应用MATLAB7。
Branch squeezed cast in site pile is a pile with variable cross section, which developed from cast in site bored pile.
支盘灌注桩是在等截面的钻孔灌注桩基础上发展起来的一种变截面桩。
In the design of rib arch bridge, the arch rib of variable cross section of weak transverse fixed is adapted usually.
在肋拱桥的设计中 ,常采用弱横向联系变截面拱肋。
Study on theories between torsional vibration and longitudinal vibration response of dynamically variable section piles;
变截面桩扭转振动与纵向振动桩顶响应对比研究
Propagation characteristics of stress waves in solids with variable section;
应力波在变截面体中的传播特性
Bending of beams with variable section on bi-parameter elastic foundations;
双参数弹性地基上变截面梁的弯曲
In order to reasonably interpret pile integrity test,the model of viscoelastic pile with variable sections in layered soils is established.
为了合理解释成层土中桩的完整性测试,建立了桩端为弹性阻尼支承、桩顶在任意荷载作用下粘弹性变截面桩与多层土共同作用的数学模型,并利用拉普拉斯变换和矩阵理论求得了该模型的振动半解析解,然后利用卷积定理和傅立叶逆变换求得瞬态半个正弦波作用下桩顶响应的振动半解析解。
The general dynamic equation for the longitudial natural vibration of various viscoelastic straight rods with variable sections is developed.
建立了适合于各种粘弹性模型变截面弹性杆固有纵振的普遍动力学方程 ,采用含有大参数二阶线性齐次方程的渐近解研究了变截面粘弹性直杆的固有纵振 ,通过实例计算验证了该渐近解的精度很高 ,并讨论分析了粘性系数对变截面弹性直杆固有纵振频率的影
The transfer matrix method for the bending and stability of the variable section beams with shear deformation is presented.
提出了考虑剪切变形时变截面梁弯曲和稳定计算的传递矩阵法。
The element stiffness matrix of this variable section beam is derived based on principle of virtual displacement.
对圆锥形变截面梁单元进行了分析，采用有理函数的位移模式，利用虚位移原理，推导出该变截面梁单元的刚度矩阵。
Moreover,according to this method,the deflection curve equation of other kinds of variable section beam will be also carried out.
本文利用积分法求出了变截面悬臂梁在各种不同载荷作用下的挠曲线方程，而对于其它类型的变截面梁，都可以按照这种方法去求解。