基于BP神经网络与小冲杆试验确定在役管道钢弹塑性性能方法研究 1)
宋明,李旭阳,曹宇光(
),甄莹,司伟山
),甄莹,司伟山
DETERMINATION OF ELASTOPLASTIC PROPERTIES OF IN-SERVICE PIPELINE STEEL BASED ON BP NEURAL NETWORK AND SMALL PUNCH TEST 1)
Song Ming,Li Xuyang,Cao Yuguang(),Zhen Ying,Si Weishan
),Zhen Ying,Si Weishan
图 2. (a)试样表面应变分布 (b) X80管道钢工程应力-应变曲线
Fig. 2. (a) Strain distribution on specimen surface and (b) engineering stress-strain curve of X80 pipeline steel
