疲劳计算中 WARNING MODE 5 HAS 1.147 PERCENT DIFFERENCE AFTER USING 59 PAIRS OF FOURIER SERIES COEFFICIENTS 应该怎么解决呢

老师,疲劳计算中 WARNING MODE 5 HAS 1.147 PERCENT DIFFERENCE AFTER USING 59 PAIRS OF FOURIER SERIES COEFFICIENTS
应该怎么解决呢