电涡流缓速器的三维数值仿真

为三维电涡流缓速器的仿真提供了一个完全的有限元表达式,这个表达式通过运用A,Φ-A公式结合库仑定律得以实现.为了考虑电涡流缓速器不规则的几何形状,采用了四面体单元对网格进行划分,并用有限元程序仿真电涡流缓速器在500rpm的磁通密度分布.电涡流缓速器在不同转速下用有限元程序计算的制动力矩与测量值进行了比较,测量值和仿真教据近似一致,有限元程序可用于工程计算和仿真.

3D Numerical Simulation of Eddy Current Brake

A complete finite element formulation for the simulation of 3D eddy current brake was proposed. The formulation was realized by using A, Φ -A formulation in combination with the Coulomb gauge. To consider non-rectangular shapes of geometries of eddy current brake, tetrahedral elements were employed to mesh. Distribution of the vector B(T) for 500rpm was simulated through finite element procedure. The computation procedure was applied to an eddy current brake of different rotate speed and the resulting braking torques are approximately. Finite element procedure can be used for computing and simulation.