The Influence of the Load Term of the Strain Energy Sensitivity in the Shell Shape Optimization
The Influence of the Load Term of the Strain Energy Sensitivity in the Shell Shape Optimization
复制标题
应变能敏感性载荷项对壳形优化的影响
DOI：
10.3390/app10061947
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发表时间：
2020-03
期刊：
影响因子：
--
通讯作者：
Jianghong Wang
中科院分区：
文献类型：
--
作者：
Baoshi Jiang;Changyu Cui;Jianghong Wang
灵敏度法是一种有效的形状优化方法，应变能是常用的目标函数。表面形状的变化不可避免地会导致其质量的变化。然而，在许多研究中没有考虑载荷项对应变能灵敏度的影响。为了明确这种影响，首先推导了包含载荷项的应变能灵敏度公式。其次，采用不同的优化方案，研究了敏感载荷项对结构演化的影响。结果表明，应变能敏感性荷载项在整个应变能敏感性中所占比例较小，但对结构演化仍有累积影响，且壳体厚度对应变能敏感性荷载项的作用有影响。荷载项影响结构重量的增长率，并对形状变化有一定的影响。因此，对于一般的结构工程，如果壳体厚度很薄或对结构性能要求较高，则应变能灵敏度应与荷载项一致。
The sensitivity method is a type of effective shape optimization method and the strain energy is a frequently used objective function. The change of a surface shape inevitably causes a change in its quality. However, the influence of the load term on strain energy sensitivity has not been considered in many studies. In order to make the influence clear, the formula of the strain energy sensitivity including the load term was first derived. Secondly, the influence of the sensitivity load term on the structural evolution was studied by using different optimization schemes. The results showed that the load term of strain energy sensitivity accounts for a small proportion of the whole strain energy sensitivity, but it still has a cumulative impact on the structural evolution, and the shell thickness has an impact on the role of the load term of the strain energy sensitivity. The load term could influence the rate of increase in the structural weight and had an impact on the shape change to some extent. Therefore, for general construction projects, the strain energy sensitivity should be with the load term if the shell thickness is very thin or a higher performance of the structure is required.
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影响因子：
4.1
作者：
Lingyun Wei;Zhao Mei;Guangming Wu;M. Guang
通讯作者：
Lingyun Wei;Zhao Mei;Guangming Wu;M. Guang
影响因子：
4.7
作者：
X. Y. Yang;Y. Xie;G. Steven
通讯作者：
X. Y. Yang;Y. Xie;G. Steven
影响因子：
1.6
作者：
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通讯作者：
Natsuki Tanaka;T. Honma;Yohei Yokosuka
DOI：
10.4028/www.scientific.net/amm.157-158.1636
发表时间：
2012-02
期刊：
Applied Mechanics and Materials
影响因子：
--
作者：
D. Mi;Rui Yang;Liang Zhou;Yang Liu;D. Guo
通讯作者：
D. Mi;Rui Yang;Liang Zhou;Yang Liu;D. Guo
影响因子：
5.5
作者：
C. Ding;H. Seifi;S. Dong;Y. Xie
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