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- The FEM based 3D buffeting analysis methodology is the most effective approach to the above problems. 基于有限元理论的全三维抖振分析体系是解决全桥分析最为有效的途径。
- The identification of flutter derivatives for bridge sectional model has long been a key issue in long-span bridge flutter and buffeting analysis. 桥梁断面颤振导数识别问题可转化为最小二乘优化问题,提出了梯度下降算法求解该优化问题,提取桥梁主梁断面18个颤振导数。
- Considering wind-structure interaction,cable-membrane structure buffeting analysis under horizontal and vertical wind has been carried out in this study. 考虑风与膜结构的耦合作用,研究索膜结构在顺风向和垂直向风作用下的抖振响应规律及特性。
- Put forward a new method for long-span bridge buffeting analysis which using quasi-steady aerodynamic stiffness and unsteady aerodynamic damping based directly on wind tunnel test. 提出采用准定常气动刚度与基于试验的非定常气动阻尼进行气动修正的大跨度桥梁抖振计算新模型。
- The refinement of buffeting analysis for long span bridges in the frequency domain based on parameters obtained from field measurement systems and wind tunnel experiments is the object of this thesis. 本文通过昂船洲桥桥址风场实测及相应风洞试验获取了抖振响应分析参数,并在此基础上建立和发展了大跨度桥梁精细化频域抖振分析方法。
- buffeting analysis in time domain 抖振时域分析
- Secondly, a systematic formulation as well as its computational algorithm for bridge flutter and buffeting analyses which is featured by finite element method is presented. 其次,介绍了基于有限元模型用于求解大跨度桥梁颤振和抖振问题的理论模式体系及全桥三维风振分析方法;
- 3D Nonlinear Time--domain Buffeting Analysis for Long Span Bridges 大跨度桥梁抖振响应的空间非线性时程分析法
- Nonlinear Flutter and Buffeting Analysis in Time Domain for Long-span Bridges 论文题目:大跨度桥梁非线形颤振和抖振时程分析
- We had a buffet supper last evening. 昨天晚上,我们吃了一次自助晚餐。
- COMBINED FLUTTER AND BUFFETING ANALYSIS IN TIME DOMAIN FOR LONG - SPAN BRIDGES 大跨度桥梁颤振和抖振统一时程分析
- Dinner will be a cold buffet, not a sit-down meal. 正餐是凉的自助餐,不是坐著让人侍候的那一种。
- One who draws blood for analysis or transfusion. 放血医师为化验或输血而抽血的人
- Your critical analysis helped me a great deal. 你的评论分析对我帮助很大。
- The metal was submitted to analysis. 对该金属进行了分析。
- Her analysis was correct to the nail. 她的分析极其正确。
- Textual analysis identified the author as Shakespeare. 对原文的分析研究鉴定出作者是莎士比亚。
- Do you prefer regular menu or buffet? 你喜欢点菜或是自助餐?
- The cake on analysis was found to contain traces of toxin. 经分析发现蛋糕里含有微量的毒素。
- Close analysis of sales figures showed clear regional variations. 对销售额的仔细分析显示出明显的地区差别。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries