secant

Secant and Tangent Stiffness Matrices and Their Relationship in Geometric Nonlinear Analysis

几何非线性分析中的割线刚度矩阵与切线刚度矩阵及其关系

In this paper, the chord secant method is further studied, and then some general forms of chord secant method are obtained.

进一步讨论了弦割法，给出了弦割法的一般形式，相信在方程求根的近似计算中有着重要的作用。

An element tangent stiffness equation was derived based on the secant stiffness equation of stability function elements with shear deformation effects considered.

以考虑剪切变形影响的稳定函数单元的割线刚度方程为基础，导出了单元切线刚度方程。

In this paper, the tangent stiffness matrices and the secant stiffness matrices of space trusses are derived with the energy principle in the Total Lagrangian coordinates.

本文在T.L.坐标下，利用能量原理，同时导出了空间杆元精确的割线刚度矩阵和切线刚度矩阵显式。

The method for identification of plastic state of the disk, as well as the approach to obtaining the secant module and transverse deformation coefficient are presented.

提出了轮盘进入塑性状态的鉴别方法、在塑性状态下求出割线模量和横向变形系数的方法等。

The tension system and the thickness system are seperable, so that the thickness equation becomes one dimensional nonlinear one after having solved simultaneously the tension of each stand and by means of the secant method, it is convenient to solve the outgoing thickness of each stand.

张力系统与厚度系统可分离，从而在联立解出各架张力后使厚度方程成为一维的非线性方程，用割线法可以方便地解出各架出口厚度。

Based on the stress-strain relationship established from tri-axial tests, the tangent modulus and secant modulus are derived from the unified mathematical expression.

以三轴剪切试验测得的应力-应变关系为基础，从统一的表达式推出了割线模量和切线模量表达式。

Secant modulus method ( SMM) is a new method to calculate foundation settlement in recent years.

割线模量法是近几年获得青睐的计算地基沉降的新方法。

The slope of secant drawn from the origin through the point is the average function.

从原点出发并连接该点所构成的割线的斜率即为曲线的平均函数.

MEP element model described explicitly is formulated by using the principle of minimum potential energy, and the secant stiffness and tangent stiffness of MEP element are educed.

本文根据最小势能原理推导了一个高精度、高效的梁柱MEP单元，并且导出了该模型的割线和切线刚度矩阵。

This paper mainly deals with the secant method used on stiffness matrix.

主要说明割线法在刚度矩阵上的应用.

Structural style and bearing mechanics of secant pile wall are similar to the diaphragm wall and should be used as both temporary and permanent structure like the diaphragm wall.

考虑到咬合桩的结构形式和受力机理同地下连续墙相似，那么咬合桩应该可以像地下连续墙一样作为永久结构使用。

Therefore, a method of decomposing human body silhouette is put forward. In this method, body silhouette is primarily divided into segmentations depends on the negative curvature extreme points, under the limit of the ratio between arc length and secant line.

该方法依据人体轮廓上的负曲率极值点，在轮廓弧长与割线比值的限定下，对人体轮廓进行初步分解。

The analysis of spherically layering calculated results shows that the variation of atmospheric path delay ( especially wet term) with zenith angle obeys well the secant law.

分析大气球面分层的计算结果可见，干、湿项订正值随卫星天项角（≤75°）的变化可以很好地用Secant律来表示。

On the Comparison of the Modified Secant Modulus Method and Duncan-Chang Tangent Modulus Methed

修正割线模量法与邓肯切线模量法的对比分析

Through improving the displacement loading control method based on the tangent stiffness, this paper has presented displacement loading control method based on the secant stiffness.

在基于切线刚度的位移加载控制法基础上进行改进，采用基于割线刚度的位移加载控制方法，并绘制了相应框图。

Modifies temperature-dependent secant coefficients of thermal expansion.

这个命令是设置相关温度的。

At the same time, from the basic theory of mechanics of materials, particularly expatiate the material secant stiffness of the principal strain direction and the principal stress direction and the element transformation matrix; they provide the theory basis of the procedure presented in this paper.

同时由材料力学出发详细推导了主应变或者主应力方向上的材料割线刚度、单元坐标转换矩阵，为本文程序的编制提供了理论基础。

Analysis on Switching Power for New No.9 Turnout with Curved Blades of Negative Secant Type

新型相离型曲线尖轨9号道岔的扳动力分析

The secant modulus is linear with axial stress.

而其割线模量与轴向应力则呈线性关系；

A secant is defined as line passing through two points of the curve.

割线的定义是一条通过曲线上两点的直线.

The value of the complement of the secant is called the cosecant.

正割函数的倒数，称为余割函数。

Normal secant conic conformal projection of Guangxi region

广西壮族自治区正轴等角割圆锥投影

The roots are extracted in the root sections by method of bisection or secant.

采用二分区间求根法或弦截求根法确定故障点.

Based on the total Lagrangian formulation, the formulas of both secant and tangent stiffness matrices in geometric nonlinear analysis are derived in detail in this paper, and their mathematical relationship is given.

根据T、L描述法，详细推导了几何非线性分析中的割线刚度矩阵和切线刚度矩阵一般表达式，并给出了两者之间的数学关系。

Secant stiffness matrix and tangent stiffness matrix of reinforced concrete arbitrary cross-section members with eccentric compression load are derived, on the base of plane assumption and the cross-section equilibrium equations.

以平截面假设为基础，利用截面内力平衡关系，推导出钢筋混凝土双向偏压构件截面割线刚度、切线刚度矩阵计算的简便公式。

Through properly improving the Newton-Raphson method of solving system of equations based on the tangent stiffness, this paper presented Newton-Raphson incremental-iterative mixed method based on the secant stiffness.

在传统基于切线刚度的Newton-Raphson法求解方程组基础上进行适当地改进，采用基于割线刚度的Newton-Raphson法，并绘制了流程图。