摘要
应用ANSYS软件进行单层圆柱壳基于离散变量的动态性能优化设计。采用APDL语言参数化编程,在不改变结构参数前提下,以三个简谐激励力的位置、相位为设计变量,激励力之间的距离为约束条件,壳体径向均方根速度为目标函数,设计了三层优化方案,最终得到使壳体总振动最小时的多个激励力位置、相位的最优设计。结果表明该优化设计有效,可为水下大型航行器的振动控制提供参考。
A single layer cylindrical shell was designed for dynamic performance optimization under mUltl-eXcltaUOilS based on discrete variables in ANSYS. The APDL language was adopted for parameter programming. Without changing structure parameters, taking the locations and phases of three simple harmonic excitations as design variables, distances of excitations as constraint conditions, and radial mean-square-root velocity of cylindrical shell as an objective function, a three-layer optimized scheme was designed. Then an optimal design of locations and phases under multi-excitations which minimized vibration of the shell was achieved. The results show that the optimization design is effective. This work provides a reference for vibration control of underwater crafts.
出处
《噪声与振动控制》
CSCD
2013年第2期36-39,共4页
Noise and Vibration Control
关键词
振动与波
多点激励
ANSYS
圆柱壳
均方根速度
优化设计
vibration and wave
multi-excitations
ANSYS
cylindrical shell
mean square root velocity
optimization design
