Flowing state of plastics melt in die is simulated by programming based on MATLAB software. Velocity distribution of plastics melt in die is displayed. Influences of core eccentricity on velocity distribution are analyzed.

• 采用MATLAB软件编程模拟了口模中塑料熔体的流动状态 ,展示了塑料熔体在口模中的速度分布 ,分析了芯棒偏中对口模中塑料熔体速度分布的影响。