The flexural strength calculated on the basis of the plane section assumption and strain compatibility condition agrees well with the test results.
根据平截面假定和应变协调条件计算的受弯承载力与实测值符合较好。
Thecircular cross section turns into ellipse as the ratcheting strain accumulates.
随着棘轮应变的产生，直管圆截面变为椭圆截面。
Based on wave equation, the formula of displacement and strain in different section are derived, and the frequency equation is given.
从波动方程出发推导了各分段的位移及应变的表达式，同时给出了频率方程。
应用推荐