中国机械工程 ›› 2026, Vol. 37 ›› Issue (2): 452-465.DOI: 10.3969/j.issn.1004-132X.2026.02.020
• 智能制造 • 上一篇
收稿日期:2025-09-09
出版日期:2026-02-25
发布日期:2026-03-13
通讯作者:
杨勇
作者简介:姜学涛,男,1997年生,硕士研究生。研究方向为加筋薄壳优化设计基金资助:
JIANG Xuetao, YANG Yong(
), ZHU Jihong, FENG Hao, PAN Shunyang
Received:2025-09-09
Online:2026-02-25
Published:2026-03-13
Contact:
YANG Yong
摘要:
针对现有加筋板仿生设计存在因基结构建模方式所引起的优化空间不足的问题,根据植物筋脉生长特征,提出一种扩散式生长方案来模拟植物筋脉的形成过程,寻求加筋的合理布局,使得结构具备高效的屈曲承载能力。采用一种改进的优化建模框架,使用S9R5单元以及B32/B31梁单元模拟叶片和筋脉,并使用节点预存储、保留更新的方案,通过提高生长节点更新范围的方式扩展自适应加筋的灵活性。以矩形薄板为例,通过对不同参数下简支板在四边简支(SSSS)以及双侧简支(SFSF)条件下不同受载模式的屈曲案例进行对比,验证了算法的有效性。结果表明,扩散式生长加筋方案所得到的加筋布局比现有生长方式更为有效,布局清晰。
中图分类号:
姜学涛, 杨勇, 朱季红, 冯昊, 潘顺洋. 基于仿生扩散生长驱动的加筋板壳抗屈曲拓扑设计[J]. 中国机械工程, 2026, 37(2): 452-465.
JIANG Xuetao, YANG Yong, ZHU Jihong, FENG Hao, PAN Shunyang. Buckling Topological Design of Reinforced Plate/Shell Based on Bionic Diffusion Growth-driven Method[J]. China Mechanical Engineering, 2026, 37(2): 452-465.
| Items | k | 体积 ( | 屈曲载荷因子 ( | |
|---|---|---|---|---|
| 初始 | 0 | 0.00 | 1.5910 | 0.00 |
| Case 1(a) | 38 | +2.54 | 2.5788 | +62.09 |
| Case 1(b) | 39 | +2.54 | 2.4583 | +54.51 |
| Case 1(c) | 35 | +2.51 | 2.5506 | +60.31 |
| Case 1(d) | 40 | +2.49 | 2.7857 | +75.09 |
表1 SSSS下方形简支板算例数值结果 (κ=25%,ΔV¯=2.5%)
Tab.1 Numerical results of square plate simply supported on 4 edges(SSSS,κ=25%,ΔV¯=2.5%)
| Items | k | 体积 ( | 屈曲载荷因子 ( | |
|---|---|---|---|---|
| 初始 | 0 | 0.00 | 1.5910 | 0.00 |
| Case 1(a) | 38 | +2.54 | 2.5788 | +62.09 |
| Case 1(b) | 39 | +2.54 | 2.4583 | +54.51 |
| Case 1(c) | 35 | +2.51 | 2.5506 | +60.31 |
| Case 1(d) | 40 | +2.49 | 2.7857 | +75.09 |
图14 SSSS下矩形简支板四边轴压加筋算例(a∶b=4∶3,ΔV¯=5%)
Fig.14 Design result of rectangle plate with simply supported on 4 edges under four-sided axial pressure(a∶b=4∶3 with SSSS BC condition, ΔV¯=5%)
图15 矩形简支板单轴压缩加筋算例(a∶b=4∶3, SSSS, ΔV¯=5%)
Fig.15 Design result of rectangle plate with simply supported on 4 edges under unilateral axial pressure(a∶b=4∶3 with SSSS BC condition, ΔV¯=5%)
| k | Case 2 | k | Case 3 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 体积( | 屈曲因子( | 体积( | 屈曲因子( | ||||||
| 初始 | 0 | 0.00 | 3.3160 | 0.00 | 初始 | 0 | 0.00 | 9.0370 | 0.00 |
| / | +5.22 | 3.8876 | +17.24 | / | +5.22 | 10.5650 | +16.91 | ||
| 15 | +0.91 | 3.8123 | +14.97 | 5 | +0.37 | 9.70220 | +7.36 | ||
| 25 | +1.53 | 4.0328 | +21.60 | 15 | +1.10 | 10.3470 | +14.50 | ||
| 50 | +4.43 | 4.5845 | +38.25 | 35 | +3.21 | 11.8090 | +30.67 | ||
| 62 | +5.17 | 4.9271 | +48.59 | 47 | +5.13 | 13.2090 | +46.17 | ||
| 25 | +1.46 | 4.0062 | +20.81 | 5 | +0.37 | 9.7022 | +7.36 | ||
| 50 | +2.84 | 4.4178 | +33.23 | 15 | +0.97 | 10.2790 | +13.74 | ||
| 75 | +4.15 | 4.8734 | +46.97 | 35 | +3.77 | 11.9580 | +33.32 | ||
| 90 | +5.06 | 5.5211 | +57.45 | 45 | +5.08 | 13.0540 | +44.45 | ||
| 25 | +1.54 | 4.0067 | +20.83 | 5 | +0.37 | 9.7010 | +7.35 | ||
| 50 | +2.94 | 4.4512 | +34.23 | 15 | +1.14 | 10.3630 | +14.67 | ||
| 75 | +4.29 | 4.8240 | +45.48 | 35 | +3.67 | 12.2990 | +36.10 | ||
| 87 | +5.02 | 5.0161 | +51.27 | 45 | +5.09 | 13.3050 | +47.23 | ||
表 2 矩形简支板算例数值结果(a∶b=4∶3, ΔV¯=5%)
Tab. 2 Numerical results of rectangle plate with simply supported on 4 edges(a∶b=4∶3, ΔV¯=5%)
| k | Case 2 | k | Case 3 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 体积( | 屈曲因子( | 体积( | 屈曲因子( | ||||||
| 初始 | 0 | 0.00 | 3.3160 | 0.00 | 初始 | 0 | 0.00 | 9.0370 | 0.00 |
| / | +5.22 | 3.8876 | +17.24 | / | +5.22 | 10.5650 | +16.91 | ||
| 15 | +0.91 | 3.8123 | +14.97 | 5 | +0.37 | 9.70220 | +7.36 | ||
| 25 | +1.53 | 4.0328 | +21.60 | 15 | +1.10 | 10.3470 | +14.50 | ||
| 50 | +4.43 | 4.5845 | +38.25 | 35 | +3.21 | 11.8090 | +30.67 | ||
| 62 | +5.17 | 4.9271 | +48.59 | 47 | +5.13 | 13.2090 | +46.17 | ||
| 25 | +1.46 | 4.0062 | +20.81 | 5 | +0.37 | 9.7022 | +7.36 | ||
| 50 | +2.84 | 4.4178 | +33.23 | 15 | +0.97 | 10.2790 | +13.74 | ||
| 75 | +4.15 | 4.8734 | +46.97 | 35 | +3.77 | 11.9580 | +33.32 | ||
| 90 | +5.06 | 5.5211 | +57.45 | 45 | +5.08 | 13.0540 | +44.45 | ||
| 25 | +1.54 | 4.0067 | +20.83 | 5 | +0.37 | 9.7010 | +7.35 | ||
| 50 | +2.94 | 4.4512 | +34.23 | 15 | +1.14 | 10.3630 | +14.67 | ||
| 75 | +4.29 | 4.8240 | +45.48 | 35 | +3.67 | 12.2990 | +36.10 | ||
| 87 | +5.02 | 5.0161 | +51.27 | 45 | +5.09 | 13.3050 | +47.23 | ||
图16 矩形简支板一阶屈曲模态迭代历程(a∶b=4∶3,ΔV¯=5%)
Fig.16 Iterative process of the first buckling mode of rectangle plate with simply supported on 4 edges (a∶b=4∶3,ΔV¯=5%)
图19 SFSF单轴压缩加筋算例设计结果(a∶b=2∶1)扩散式加筋算法加筋历程(κ=15%)
Fig.19 Design result of rectangle plate with simply supported on ane edge under unilateral axial pressure(a∶b=2∶1 with SFSF BC condition)
| k | 体积( | 屈曲因子( | ||
|---|---|---|---|---|
| 初值 | 0 | 0.00 | 0.4848 | 0.00 |
图19 Case 4 | 25 | +0.79 | 0.5854 | +20.76 |
| 50 | +1.44 | 0.6491 | +33.88 | |
| 75 | +2.09 | 0.6889 | +42.10 | |
| 100 | +3.12 | 0.8069 | +66.44 | |
| 108 | +3.51 | 0.8114 | +67.36 | |
表3 a∶b=2∶1时单边轴压矩形板算例结果
Tab.3 Result of rectangle plate with simply supported on ane edge under unilateral axial pressure (a∶b=2∶1 with SFSF BC condition)
| k | 体积( | 屈曲因子( | ||
|---|---|---|---|---|
| 初值 | 0 | 0.00 | 0.4848 | 0.00 |
图19 Case 4 | 25 | +0.79 | 0.5854 | +20.76 |
| 50 | +1.44 | 0.6491 | +33.88 | |
| 75 | +2.09 | 0.6889 | +42.10 | |
| 100 | +3.12 | 0.8069 | +66.44 | |
| 108 | +3.51 | 0.8114 | +67.36 | |
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