Then, fractal and recurrence algorithms are used describing these rules to obtain the models.Secondly, blood fluid dynamics theory is studied and vessel tree models are generated by CCO.

• 研究了血液流体动力学理论，利用约束构建优化算法(CCO)，生成了另一种血管树模型，该模型与血管灌注模型以及分形模型在几何形态及尺寸上达到一致；