Stiffness matrices of bernoulli beam for plane geometrically nonlinear analysis;
伯努力梁平面几何非线性分析的刚度矩阵
The treatise here is about the history of Bernoulli numbers and two kinds of Euler numbers in both East and West, on which compare between ancient Chinese mathematics and that of western Europe has been done, and some new results are presented.
本文讨论了伯努利数、两类欧拉数的起源与发展。
In this paper,we give two combinatorial results on Bernoulli sets over n-letter alphabet which is the partly generalization of the results by Aldo.
得到了伯努利集在n个字母情况下的两个组合性质,从而推广了Aldo de Luca相应的研究结果,同时给出了n=3时的两个推论。
The Application of Bernoulli Equation in Judging the Direction of Air Flow after Laneway Perforation;
伯努利方程在判定巷道贯通后风流方向中的应用
This paper systematically expounds the basic principles of hydrodynamics and gives a kind of theoretical estimate on the necessity of safety and protection in large train-acceleration by the application of Bernoulli Equation and its principle of pressure reduction from fluid velocity increment.
对流体力学的基本原理进行了系统表述,应用伯努利方程及其流速增加压强降低原理,对铁路提速中安全防护的必要性提供了一项理论估算。
The formula for penetration resistance of a slender projectile is gained using Bernoulli equation and the equivalent plane solution is also obtained for penetration resistance of a cone-shaped warhead.
根据伯努利方程推得了细长杆弹侵彻阻抗力的公式,进而求出锥形弹头侵彻阻抗力的等效平面解,得到了弹体的侵彻深度。