单侧有U形槽弯曲平板应力集中的研究

Study on Stress Concentration for A Bending Plate with Single U Shaped Groove

本文根据折线形截面假设，计算了单侧有U形槽的弯曲平板的应力集中和极限载荷问题．文中分析了槽宽系放和槽深系数对局部应力的影响，导出了弹塑性局部应力的表达式及极限载荷和弹塑性交界面的关系．

This paper, according to indining section assumption, calcalates stress concentraetionfactor and limit 1oad of a bendiny plate with Sinyle U shaped groove and discusses the influence ofnotch width factor, notch depth factor on bendiny stress concentration faetor. Expression forelastoplastin local stress is given The relation of limid load w:th elastin-plastin inteiface been givenfinally.