Some important mechanical phenomena are analyzed,such as the strain in the transverse direction,longitudinal direction and direction of fiber,flexural torque and longitudinal curvature during the bending process.
研究了折叠复合材料结构的成型工艺,成功地制备了碳纤维/环氧树脂、玻璃纤维/环氧树脂复合材料薄壁圆柱壳试样,并对它们的折叠弯曲性能进行了实验研究,分析了弯曲过程中横向、纵向和纤维方向三个方向的应变变化情况,以及试样在弯曲过程中的弯矩和纵向曲率变化规律。
3D finite element models including flow field were set up and the free surface change of flow field,the action of air layer,the effect of longitudinal curvature and velocity on hydraulic pressure were studied in course of the water entry.
建立包含气水流场的三维有限元模型,研究了入水过程中流场的自由液面的变化、空气层的作用、纵向曲率和纵向速度对入水压力的影响等问题。
