In consideration of the global optimization for engineering projects, a group of calculation formulas have been derived by means of theoretical derivation and m
In China, a nationwide research program on fatigue behaviour of tubular joints made of China-made platform steel was carried out from 1983 to 1990, which was se
This paper adopted an upstream FEM of 2-D unsteady flow to calculate the tidal flow in Zhoushan sea area. Based on the verification of the tidal current and env