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.
本次研究主要内容是把传热学理论与计算机数值模拟相结合，用以模拟高温(火灾)作用下钢管混凝土温度场的变化。
By combining heat transfer theory with computer numerical value simulation, this study simulates temperature field 's variety of CFST with high temperature.
建立了地铁火灾中烟气运动的物理模型和数学模型，采用CFD方法模拟了地铁火灾时的温度场和烟气浓度分布。
Establishes the physical model and mathematical model of fire smoke diffusion in underground railway. Simulates the temperature field and concentration distribution of fire smoke using CFD method.
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