Based on this kind of crack element, and by introducing parametric equation of ellipse, a new method for estimating stress intensity factor is proposed.
基于这种裂纹单元,作者引入椭圆参数方程,推出一种计算裂纹前缘点应力强度因子的新方法。
When optimizing synchro update of the quaternion, the quaternion differential equation is calculated by using minimum parametric method.
采用最小参数法求解四元数微分方程,优化了四元数实时更新算法。
In this pater, using parametric transform method direct derive soliton wave equation of loss optical fibers and elementary soliton solution.
本文用参量变换法直接导出了有耗光纤的孤波方程及其基态孤子解。
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