1·Stiffness matrix of the model and element stiffness is provided.
推导了模型的单元刚度矩阵和各杆件的刚度。
2·Stiffness matrix of the model and element stiffness was developed.
推导了模型的单元刚度矩阵和各杆件的刚度。
3·Dynamic Stiffness Matrix Method is applied to compute vibration of ship hull.
采用动态刚度阵法计算船体总振动的固有频率。
4·The precise expression of the stiffness matrix and computing code is developed.
推出了精确的刚度矩阵显式，并编制了相应的计算程序。
5·The stiffness matrix of synthetic dual plate-spring interlayer element is deduced.
导出了双层板―性夹层的综合单元刚度矩阵。
6·The whole stiffness matrix of structural system is derived by condensation approach.
分析了结构运动方程，并采用缩聚法建立结构总侧移刚度。
7·The element siiffness matrix and the geometric stiffness matrix etc. are explicitly presented.
单元的刚度矩阵和几何刚度矩阵全部显式给出。
8·The geometric stiffness matrix is composed by the effect of axial force, bending moment and bimoment.
其中几何刚度矩阵由轴向力、双向弯曲和截面翘曲的影响组成。
9·The dynamic stiffness matrix method for determining dynamic characteristics of crankshaft is developed.
应用动态刚度矩阵法分析曲轴的动态特性。
10·Furthermore, each element in the singular stiffness matrix can be expressed by some more simple analytic formulas.
而且奇异单元刚度矩阵中的各元素可以用较简单的分析式表出。