基于杆件构形刚度参数均匀化的单层网壳稳定性能优化
为实现网壳各节点抵抗荷载能力的均匀分布，提升结构稳定承载力，基于网壳结构受力特点，引入了单层网壳结构的杆件构形刚度参数。以结构杆件构形刚度均匀化为目标，将网壳杆件截面尺寸作为优化变量，采用惯性权重改进后的粒子群算法对网壳的杆件截面进行优化配置。优化结果表明，构形刚度方差能较为准确地反映结构的杆件构形刚度均匀程度。通过粒子群算法优化后求得的杆件配置可以使网壳结构接近于等稳定性，最大程度地提升结构的稳定极限承载力。...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | zho |
| Published: |
Editorial Department of Progress in Steel Building Structures, Tongji University
2023-11-01
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| Series: | Jianzhu Gangjiegou Jinzhan |
| Subjects: | |
| Online Access: | http://steelpro.tongji.edu.cn/thesisDetails#10.13969/j.cnki.cn31-1893.2023.11.008 |
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