| 加肋圆柱壳制造误差对声学性能的影响研究 |
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| 引用本文： | 张盛,金翔,周桦,刘土光. 加肋圆柱壳制造误差对声学性能的影响研究[J]. 中国舰船研究, 2011, 6(4): 43-50. DOI: 10.3969/j.issn.1673-3185.2011.04.009 |
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| 作者姓名： | 张盛 金翔 周桦 刘土光 |
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| 作者单位： | 1. 武昌船舶重工有限责任公司,湖北武汉,430060
2. 华中科技大学,湖北武汉,430074 |
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| 基金项目： | 武昌船舶重工有限责任公司技术创新课题(k07005-2) |
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| 摘 要： | 利用有限元软件ANSYS和边界元软件Sysnoise对加肋圆柱壳建造中可能产生的椭圆度、轴线倾斜、舱壁倾斜偏移的多种误差进行仿真计算,分析制造过程中产生的不同尺寸误差模型的系统声辐射特性。结果表明,声功率随着几何偏差尺寸增大而增大,但在所确定的加工工艺允许的要求范围内,这些偏差对声辐射影响很小,其中椭圆度对结构声学性能的影响较其他两种结构误差稍大。
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| 关 键 词： | 加肋圆柱壳 制造工艺 声辐射功率 |
Influence of Construction Error on Sound Radiation for Ring-Stiffened Cylindrical Shell |
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| Zhang Sheng,Jin Xiang,Zhou Hua,Liu Tu-guang. Influence of Construction Error on Sound Radiation for Ring-Stiffened Cylindrical Shell[J]. Chinese Journal of Ship Research, 2011, 6(4): 43-50. DOI: 10.3969/j.issn.1673-3185.2011.04.009 |
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| Authors: | Zhang Sheng Jin Xiang Zhou Hua Liu Tu-guang |
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| Affiliation: | Zhang Sheng1 Jin Xiang1 Zhou Hua1 Liu Tu-guang2 1 Wuchang Shipbuilding Industry Company Ltd.,Wuhan 430060,China 2 Huazhong University of Science and Technology,Wuhan 430074,China |
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| Abstract: | By using of FEM software ANSYS and BEM software Sysnoise,simulation models for cylindrical pressure shell structure with different types of construction error were established,i.e.the ellipticity of shell section,the oblique of shell axes and the offset of bulkhead.And then we analyzed the characteristic parameters of the key construction technology which influenced the low noise construction technology of representative structure.The analysis results show that sound radiation power increases with the const... |
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| Keywords: | ring-stiffened cylindrical shell construction technology sound radiation power |
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