The hydrodynamic pressure due to the coupled vibration is studied with Boundary Element Method, and the simplified formula for the attached mass matrix is derived.
运用自编边界元程序计算了闸门扰动时动水压力的分布，进而推导了附加质量阵的简化求法。
After deriving a simplified formula based on the linear theory of wave-making resistance, a method for design and improvement the ship-form is proposed.
通过导出简化的兴波阻力理论公式，提出一种运用线性兴波阻力理论进行船型设计与改进的方法。
Taking a simplified foundation plane ast he example, this paper derives a recommended formula with less calculation errors, improving the method for calculating the width of strip foundation.
以一个简化的基础平面为例，导出计算误差较小的建议公式，以改进墙下条形基础宽度的计算方法。
As an approximate method, with the trigonometric function, the simple pendulum dynamical equation is simplified, and the approximate formula for the period of simple pendulum movement is presented.
利用三角函数作为一种近似方法，对单摆的动力学方程进行了简化，给出了大角度条件下单摆运动的周期的近似公式。
A simplified formula of the gain measurement by the image method is derived according to the power transmissions equation. The effect of mismatch on the gain measurement is analysed.
本文依据功率传输方程，导出了在失配条件下镜像法测量增益的简化公式，分析了失配对增益测量的影响。
A simplified calculating method is also presented based on oil-bearing saturation formula and experience formula.
以含油饱和度公式为基础，结合经验公式，提出了简化计算方法。
Furthermore, its formula is more simplified and compact compared with other method.
此外，与其它的计算方法相比其计算公式大大简化了。
Takada's simplified formula calculates the length of the start-bending point to the fault according to Kennedy's method and the soil constraint is not considered in his finite element model.
Takada简化计算公式采用Kennedy方法计算弯曲点到断层的距离，其有限元模型中并没有考虑管周围土作用。
By this method, not only the precision of the fitted formula can be enhanced, but also the process of the selection will be simplified to a great extent.
利用该方法，不但可以提高数据曲线拟合的精度，而且快捷，直观。
By this method, not only the precision of the fitted formula can be enhanced, but also the process of the selection will be simplified to a great extent.
利用该方法，不但可以提高数据曲线拟合的精度，而且快捷，直观。
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