CFX utilizes a user-specified fire and is expressed in terms of a series of time rates of energy. In CFX the fire is defined as a volumetric heat source .

• CFX把火源设置成体积热源，但是有文章说火灾模拟中要设置释热速率和烟生成率，在子域里好像不能设置和时间有关的源项，烟的扩散也在源项中设置吗？