This paper, on the basis of studying the existing macroscopic model of traffic flow, applied difference method to simulating traffic flow model of model BD.
在研究了现有的交通流宏观模型的基础上，采用差分方法对BD型交通流模型进行了数值模拟。
This paper, on the basis of studying the existing macroscopic model of traffic flow, applied difference method to simulating traffic flow model of model BD.
在研究了现有的交通流宏观模型的基础上，采用差分方法对BD型交通流模型进行了数值模拟。
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