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英国研究人员开展了高温下轴向和转动约束不锈钢柱结构耐火性能数值模拟的改进方法研究。建立的有限元模型形成连续耦合的热应力分析模型,包括传热模型、屈曲分析几何材料非线性应力分析。有限元模型对文献报道的试件失效温度和耐火时间的平均预测误差为2%~6%,达到了较高的预测精度。
轴向和转动约束不锈钢柱的耐火性能研究
【摘 要】
：
英国研究人员开展了高温下轴向和转动约束不锈钢柱结构耐火性能数值模拟的改进方法研究。建立的有限元模型形成连续耦合的热应力分析模型,包括传热模型、屈曲分析几何材料非
【机 构】
：
不详
【出 处】
：
消防科学与技术
【发表日期】
：
2019年5期
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