采用等刚度法确定换填基础模量；
The replacement foundation modulus was ensured by the method of equivalent-stiffness.
应力法和刚度法是判别土层液化的两种重要方法。
Stress and stiffness methods are two important ones used to identify liquefaction of soil.
实际计算表明，这个方法比变刚度法有更大的适用性。
Through calculations it is found that this method is more applicable than the variable stiffness method.
在结构自由振动分析中，动力刚度法是一种精确算法。
The dynamic stiffness method is exact for structural free vibration analysis.
本文引入了变刚度法实现了环形空腹索桁结构体系的荷载缓和。
Load relieving of the structure is achieved by introducing the rigidity-modulating analysis method.
计算链板和套筒的过盈应力的方法有：二次计算法和附加刚度法；
The calculation of the interference of the cover and sleeve is as follows:secondary calculation and additional rigidity method.
采用复刚度法对某型直升机救生绞车支架进行表面阻尼处理的分析。
The complex stiffness method is adopted to carry out the analysis of surface damping treatment for the support of life winch of a certain typed helicopter.
本文采用直接刚度法得到刚度矩阵，用聚缩质量模型得到质量矩阵。
In this paper, the stiffness matrix has been obtained by the direct stiffness method, and the mass matrix, by the condensation mass model.
对交错钢桁架结构的侧移分析，采用连续化的数学模型和侧向抗剪刚度法。
The analysis of sidesways of staggered steel truss structure is discussed. The mathematical model of an equivalent continum is proposed and solved by the lateral shear rigidity method.
非线性分析的方法，除采用一般的变刚度法之外，还采用了改进的BFGS法。
In the methods of nonlinear analysis, along with the normal variable stiffness methods, the improved BFGS method is used.
其结构计算方法有刚度法、柔度法、刚柔结合的混合法。本文着重介绍刚度法。
The stiffness method is introduced for its structural computation in this paper.
借助于等效弯曲刚度法和遗传算法，建立了一种复合材料加筋板铺层顺序优化设计算法。
A stacking sequence optimization design approach of composite stiffened panel was built up based on equivalent bending stiffness method and Genetic Algorithms (GA).
本文介绍动刚度法在多盘转子系统中的应用，导出了有弹性支承边界条件的动刚度公式。
The dynamic rigidity method applied to the multi-disk rotating systems is presented in this paper. The formula of dynamic rigidity to the boundary conditions with flexible support is derived.
利用综合刚度法对处在过渡状态的单元刚度进行修正。从而避免了对时间步长的精确细分。
The stiffness of the elements in transition state is modified by the synthetical stiffness method and the calculation can thus be relieved from the precise division of the time steps.
本文把缩减弯曲刚度法推广应用于具有不同拉压模数的层板，并且提出了一种求解具有不同拉压模数的层板问题的新的近似方法——二次近似法。
The reduced bending stiffness method is extended to laminates with different moduli in tension and compression, and a new approximate method-twice-approximate method is presented in this paper.
首先介绍了现浇空心板截面“横肋附加刚度法”理论计算模型，进而实现在进行结构设计计算时，采用该模型，充分发挥现浇空心板截面刚度大的优良结构性能。
The paper introduced the theoretical model of "method of reinforced stiffness through cross rib" firstly, which the excellent structural capability of reinforced concrete cast-in.
基于“挠度法”，对节点刚度进行了测试。根据测试结果，分析了影响节点刚性的各种因素。
Tested the joint stiffness based on "deflection method", and analyzed the factors that affect joint stiffness according to the test results.
本文用有限元法计算了基底压力的变化对地基刚度的影响。
The effect of variation of base pressure upon foundation stiffness are calculated by means of finite element methods.
基于修正的拉格朗日坐标描述法，推导了空间纤绳单元的大位移刚度矩阵。
In this paper, the lap displacement stiffness matrix of the space cable is derived bac on the updated Total Lagrangian Formulation.
把复模态分析法推广到刚度矩阵可以奇导且质量矩阵、阻尼矩阵和刚度矩阵均不必为对称的情形。
The complex modal analysis method is generalized to the cases in which stiffness matrix may be singular and mass matrix, damping matrix and stiffness may be nonsymmetric.
采用有限单元法对车体结构的强度、刚度、稳定性、挠跨比、扭转刚度进行计算，为车体设计提供了参考依据。
The strength, rigidity, stability and torsional rigidity of the bodywork structure were calculated by using finite element analysis. Thus the optimum fillet of the bodywork structure can be specified.
但运用该法如何求地基刚度的计算却不多见，故本文简要地列出我们推导的算式，以供参考与探讨。
But no calculation has ever been given to find the foundation rigidity by this method, and therefore this paper presents our way of calculation for reference and discussion.
结合面法向刚度大小的参数对纵向振动模态的影响比对弯曲、扭振模态的影响显著；
The parameters reflecting normal stiffness have more obvious effects on extensional vibration mode than those on flexural mode and torsion mode.
文中还利用有限元法有效地解决了主轴双转子耦合刚度的计算问题。
In addition, the coupling stiffness of the double rotors was successfully calculated with the finite element method.
本文采用变刚度的矩阵位移法分析无粘结预应力混凝土网格梁的加载全过程。
This paper presents a matrix structural analysis of variable stiffness on the complete loading history of prestressed concrete grids with unbonded tendons.
应用加权余量法推导出单元刚度矩阵和单元载荷矩阵。
The element stiffness and load matrices are derived by Galerkin's weighted residual method.
同时，用有限元法对支承机匣刚度进行了计算。
Furthermore, the supporting shell stiffness is calculated by the Finite Element method.
列式法求解切线刚度矩阵来考虑几何非线性。
For geometrical nonlinearity, Updated Lagrangian formulations are adopted to derive the tangent stiffness matrix.
列式法求解切线刚度矩阵来考虑几何非线性。
For geometrical nonlinearity, Updated Lagrangian formulations are adopted to derive the tangent stiffness matrix.
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