Abstract: High efficient numerical models that can simulate the behaviors of entire structural system are very important to the study on fire-induced progressive collapse of RC frame structures.

摘要：为了模拟火灾下结构倒塌破坏行为，需要开发能够反映结构火灾整体行为的高效数值模型。

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While very practical, this research is also quite technical in that the experimental data will be compared to numerical simulations, small-scale experiments and published theoretical models.

同时非常实际的，这一研究也很具有科技性，实验数据将被和数字仿真，小比例实验和出版的理论模型相对比。

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In comparison with other distributed parameter models, the calculation result of this model has showed that it has a quality of higher precision with numerical stability even at a big time step size.

与其他分布参数模型的处理方法相比较，该文的仿真方法不仅具有较高的运算精度，而且在较大的时间步长下也有非常好的数值稳定性。

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Although tornado forecasting has remarkably improved over the last two decades with advanced forecasting techniques, weather satellites, numerical forecast models and Doppler weather radar, there is much about tornado forecasting that still remains a mystery.

CNN: STORY HIGHLIGHTS