This paper reviews five methods of calculating healthy life expectancy namely Sullivan method double-decrement method multistate life table method micro-simulation method grade of membership model.
介绍了五种计算健康预期寿命的方法：沙立文方法、递减法、增减状态生命表方法、观仿真法、属等级模型法，并对各种方法的优缺点作了述评。
The calculating results of various damage creep coupling models were compared, and some efficient methods were provided for the damage and service life estimation of the furnace fire bars.
比较了不同损伤蠕变耦合模型的计算结果，为炉管损伤及寿命评估提供了有效的方法和手段。
Finally, the methods for calculating fatigue life based on fracture mechanics for welded node and cumulative damage theory for bolted sphere node respectively have been presented.
本文在大量实验的基础上提出了对焊接节点采用断裂力学的方法和对螺栓球节点应用累积损伤理论估算它们疲劳寿命的计算方法。
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