因此，湍流模拟的准确与否将直接影响火灾模拟效果的好坏。
Therefore, the success of fire simulation will depend directly on the accurate modeling of turbulence.
研究表明火源条件设定对于数值模拟结果有显著影响，对于热释放率较小的火灾，采用单纯热源模型预测临界通风速度较安全。
The simulation results were compared with the previous study and the small-scale experiments. It shows that the choice of the fire source model has significant influence on simulation results.
采用有限元法对门式钢刚架结构中的变截面梁进行了数值模拟，分别得到其在ISO标准升温曲线和局部火灾下的温度场变化，考察了升温曲线及火源位置对变截面梁升温的影响。
Tapered beam of a steel portal frame is numerically simulated by the finite element method, and the changes of temperature field under the ISO time-temperature curve and local fire are obtained.
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