Analysis and judgment method for fatigue life of fusion reactor divertor
A fatigue life analysis and fatigue life technology, applied in the field of divertors, can solve problems such as the inability to fully evaluate the response and operating life of divertors
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[0019] like figure 1 As shown, the fatigue analysis and evaluation method of the fusion reactor divertor in the embodiment of the present invention includes the following steps:
[0020] Step1: According to the complex loads that the divertor bears in the service environment, the temperature and stress distribution cloud map is obtained by finite element software simulation calculation, so that the temperature and stress time change history corresponding to each position of the divertor can be obtained.
[0021] Step 2: Through the rainflow counting method, the calculated stress-time change history is converted into a series of cycle counting segments.
[0022] Step 3: Using the maximum elastic stress of different parts of the divertor in different counting sections obtained from the above analysis and the corresponding temperature at this position, the stress result of the finite element elastic analysis is converted into a cyclic strain range through the calculation formula....
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