摘要
通过δ函数和单位阶跃函数表示平面惯性椭圆振动筛筛面上固相颗粒的受力 ,建立了微分方程形式的颗粒在筛面上的抛掷运动数学模型· 对其解进行分析 。
By means of Delta_function & unit step function to express the force of solid particle on plane inertial shaker's screen, a mathematics model of the differential equation type was set up and solved. According to analysis of the solution, the relation is given between the throw period & displacement with the parameters of shaker design & solid particle. The method of numerical value calculation & analysis for the relation is given too.
出处
《应用数学和力学》
CSCD
北大核心
2002年第6期583-587,共5页
Applied Mathematics and Mechanics
基金
油气地质及开发工程国家重点实验室资助项目 (0 12 1)
关键词
石油
钻井液
振动筛
Δ函数
单位阶跃函数
微分方程
数值计算
petroleum
drilling fluid
shaker
Delta_function
unit step function
differential equation
numerical value calculation
