These cracks were mainly caused by the nonuniformdeformation of the dam.
究其原因，主要是大坝不均匀变形所致。
2
Because of the nonuniform plastic deformation, residual stresses occur in spun parts.
筒形件强旋时，由于不均匀的塑性变形，在旋压件内产生残余应力。
3
The focus of this investigation is on the nonuniform clearance caused by casing deformation and its effect on the flow field characteristics of the rotor rows.