本文用线载荷积分方程法(LLIEM)研究嵌在弹性半空间的弹性回转轴的扭转问题。
The problem of torsion of elastic shaft of revolution embedded in an elastic half space is studied by the Line-Loaded Integral Equation Method (LLIEM).
本文用静线弹性问题的开尔文解作为权函数导出了稳态振动问题的边界积分方程。
The Kelvin solution to the static linear elastic problem is used as the weighted function to derive the boundary integral equation for steady-state vibration problems.
由边界积分方程推导了泊松问题和线弹性力学问题的广义间接边界元法的基本公式。
The fundamental formulas of generalized indirect BEM for the Poisson 's and linear elasticity problems are proposed initiating from the boundary integral equation.
回顾了线弹性、弹塑性及大变形几何非线性的静力、动力有限元法的基本方程及求解过程。
FEM governing equations analyzing linear elastic, elastoplastic, static, dynamic and geometric nonlinear problems are introduced.
失稳后的弹性线采用精确的曲率微分方程式。
The shape of the elastic curve of the buckled bar is the solution of the exact differential equation of the curvature.
本文用混合隐式特征线法求解了井内流道中的瞬态波动压力问题，给出了弹性管和可压缩流体在井内各流道组合的压力波波动方程和定解条件。
By using the combined implicit characteristic line method, the calculation of the transient surge pressure in the flow conduit of a drilling well has been resolved in this paper.
本文用混合隐式特征线法求解了井内流道中的瞬态波动压力问题，给出了弹性管和可压缩流体在井内各流道组合的压力波波动方程和定解条件。
By using the combined implicit characteristic line method, the calculation of the transient surge pressure in the flow conduit of a drilling well has been resolved in this paper.
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