固体火箭发动机药柱热粘弹性瞬态响应分析
Machine Design and Research（2004）
Abstract
应用有限元法对固体火箭发动机药柱在环境温度作用下的瞬态温度场进行了数值模拟,并基于药柱的热粘弹性本构关系,计算了由瞬态温度场引起的应力应变响应.给出了绝热层与药柱交界面上应力分布曲线及危险点的应力随时间的变化规律.
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Key words
grains,stress analysis,temperature,thermo-viscoelastic
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