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如果想用OpenFOAM实现一个多尺度模型，即比如利用interfoam计算气液两相流，当流场中某个气泡的尺度太小时，则转化为拉格朗日粒子。 那么该如何实现在流场中某一位置注入拉格朗日粒子呢？谢谢！
@杨英狄 就是说想以这样的方式注入拉格朗日粒子：每个时间步注入流场的粒子的数量、位置都与当前时间步的流场有关，这样的注入方式怎么实现呢？