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热应力分析
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热应力分析
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thermal stress analysis
热应力分析
温度改变时,物体由于外在约束以及内部各部分之间的相互约束,使其不能完全自由膨胀而产生的应力,称热应力。又称变温应力。与时间无关的温度场引起的应力称定常热应力。随时间变化的温度场叫非定常温度场,它能引起非定常热应力。
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