| 张帆,李瑞,刘玉君,孙瑞雪,李政润.基于参数化方法的船体分段吊装快速有限元分析技术[J].,2020,60(1):22-29 |
| 基于参数化方法的船体分段吊装快速有限元分析技术 |
| Rapid finite element analysis of hull block lifting based on parameterization method |
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| DOI：10.7511/dllgxb202001004 |
| 中文关键词:船体分段吊装结构强度计算参数化方法有限元分析 |
| 英文关键词:hull block liftingstructural strength calculationparameterization methodfinite element analysis |
| 基金项目:工信部高技术船舶科研计划支持项目；大连市科技创新基金资助项目(2018J12GX057)；2017年工信部智能制造综合标准化试验验证项目. |
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| 摘要点击次数:391 |
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| 中文摘要: |
| 为了提高分段吊装工艺结构强度的计算效率，将参数化思想应用于分段吊装方案的有限元分析中．首先采用结构参数化方法快速建立各种分段结构的有限元模型，然后对眼板、吊绳、工况等3类吊装工艺信息进行参数化处理并提出了针对不同吊装工艺的快捷仿真方法．最后实现了基于参数化分析方法的典型双层底分段的平吊和翻身的结构强度分析．经过实例验证该参数化方法避免了大量重复性工作，有效地提高了分段吊装有限元建模和强度计算的效率． |
| 英文摘要: |
| In order to improve structural strength calculation efficiency of block lifting technology, parametric concept is applied to finite element analysis of block lifting schemes. Firstly, finite element models of various blocks are established quickly by using the structural parameterization method. Then, three types of lifting process information, such as lifting-eye, lifting rope and working condition are parameterized and a rapid simulation method for different lifting processes is proposed. Finally, based on the parameterization analysis method,the structural strength analysis of the horizontal lifting and turning over process of the typical double bottom block is accomplished.According to an example, the parameterization method is verified to avoid a lot of repetitive work, and effectively improve the efficiency of finite element modeling and strength calculation of block lifting. |
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