Nonlinear Ground Vibration Testing using Control-based Continuation
使用基于控制的延续进行非线性地面振动测试
基本信息
- 批准号:EP/W032236/1
- 负责人:
- 金额:$ 63.79万
- 依托单位:
- 依托单位国家:英国
- 项目类别:Research Grant
- 财政年份:2023
- 资助国家:英国
- 起止时间:2023 至 无数据
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
The UK is a world leader in the design, manufacture, and support of high-value aeronautic structures such as wings and jet engines. The UK's technology strategy is to reduce aeronautic structure weight by 35% by 2035 compared to 2019. Lighter structures are prone to complex nonlinear phenomena which cannot be identified and characterised using current ground vibration tests (GVTs). Building on recent advances in control-based continuation and nonlinear modal analysis, this project will develop a general and systematic GVT method that can overcome this issue. The method will be demonstrated on two academic benchmark structures before being tested on a full-scale aircraft structure thanks to an international collaboration with ONERA. The project will not only unlock the rigorous characterization of modal properties of nonlinear structures but will also bridge the gap currently preventing the development and validation of nonlinear models.
英国在机翼和喷气发动机等高价值航空结构的设计、制造和支持方面处于世界领先地位。英国的技术战略是到2035年将航空结构重量比2019年减少35%。较轻的结构容易出现复杂的非线性现象,这些现象无法使用当前的地面振动试验(GVT)进行识别和表征。基于控制连续和非线性模态分析的最新进展,本项目将开发一种通用和系统的GVT方法,可以克服这个问题。该方法将在两个学术基准结构上进行演示,然后在全尺寸飞机结构上进行测试,这要归功于与ONERA的国际合作。该项目不仅将解开非线性结构模态特性的严格表征,而且还将弥合目前阻碍非线性模型开发和验证的差距。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Ludovic Renson其他文献
Nonlinear normal modes of highly flexible beam structures modelled under the SE(3) Lie group framework
SE(3) 李群框架下建模的高柔性梁结构的非线性简正模态
- DOI:
10.1007/s11071-023-09106-1 - 发表时间:
2023 - 期刊:
- 影响因子:5.6
- 作者:
Amir K. Bagheri;Valentin Sonneville;Ludovic Renson - 通讯作者:
Ludovic Renson
Ludovic Renson的其他文献
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{{ truncateString('Ludovic Renson', 18)}}的其他基金
Model Reduction for Control-based Continuation of Complex Nonlinear Structures
复杂非线性结构基于控制的连续性的模型简化
- 批准号:
EP/X026027/1 - 财政年份:2023
- 资助金额:
$ 63.79万 - 项目类别:
Fellowship
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