For example, a symmetrical deformation problem of rectangular shallow shell with four edges clamped and zerodisplacement has been solved.
以四边位移为零的固支矩形扁壳为例求解了对称变形问题。
2
For solving the zerodisplacement movement problem of low-level-light (LLL) sight device, the regulating structure of LLL sight device reticle was given.
为解决微光瞄准镜零位移走动量问题，给出了瞄准镜分划板调节结构。
3
No external loads are applied, and one of the extreme nodes in the bottom surface is considered to have zerodisplacement in the longitudinal direction, while the other is fully constrained.