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随机风场模拟
相关语句
  simulation of stochastic wind field
     SIMULATION OF STOCHASTIC WIND FIELD OF LONG-SPAN BRIDGES CONSIDERING WIND EFFECTS OF THE BRIDGE TOWERS
     大跨度桥梁考虑桥塔风效应的随机风场模拟
短句来源
  “随机风场模拟”译为未确定词的双语例句
     STOCHASTIC WIND FIELD SIMULATION AND COUPLING WIND-INDUCED RESPONSE STUDY OF MEMBRANE STRUCTURES
     薄膜结构随机风场模拟和耦合风振响应分析
短句来源
     A combination of the wave superposition method and the modified spectral representation method is applied to a wind field simulation for whole bridge including the deck and the towers.
     将谐波合成法与修正的谱描述法结合用于大跨度桥梁主梁及桥塔上的随机风场模拟
短句来源
  相似匹配句对
     SIMULATION OF STOCHASTIC WIND FIELD ON LONG-SPAN BRIDGE
     大跨度桥梁随机模拟
短句来源
     Stochastic Simulation of Wind Turbulence Field for a Long-Span Bridge
     大跨度桥梁脉动随机模拟
短句来源
     A wavelet method for the simulation of a stochastic wind field
     利用小波逆变换模拟随机的脉动
短句来源
     SIMULATION OF STOCHASTIC WIND FIELD OF LONG-SPAN BRIDGES CONSIDERING WIND EFFECTS OF THE BRIDGE TOWERS
     大跨度桥梁考虑桥塔效应的随机模拟
短句来源
     STOCHASTIC WIND FIELD SIMULATION AND COUPLING WIND-INDUCED RESPONSE STUDY OF MEMBRANE STRUCTURES
     薄膜结构随机模拟和耦合振响应分析
短句来源
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A combination of the wave superposition method and the modified spectral representation method is applied to a wind field simulation for whole bridge including the deck and the towers. In wave superposition method, the variation of the auto-spectrum with respect to the elevation and the quadrature spectrum caused by asymmetric cross-correlation function as well as the frequency dependent phase lag are all taken into account. A practical decomposition method is presented for the case which involves complex target...

A combination of the wave superposition method and the modified spectral representation method is applied to a wind field simulation for whole bridge including the deck and the towers. In wave superposition method, the variation of the auto-spectrum with respect to the elevation and the quadrature spectrum caused by asymmetric cross-correlation function as well as the frequency dependent phase lag are all taken into account. A practical decomposition method is presented for the case which involves complex target cross-spectral density matrix. In a spectrum comparison, it is found that the correlation functions of the simulated wind field generated by the above methods agree well with the target correlation functions. This indicates that the method presented in this paper is reliable. Some of the stochastic wind field samples of a long-span cable-stayed bridge are given.

将谐波合成法与修正的谱描述法结合用于大跨度桥梁主梁及桥塔上的随机风场模拟。论述了利用谐波合成法对桥梁上顺风向风场的模拟过程,其中考虑了风谱沿高度的变化、由不对称互相关函数引起的重谱以及与频率有关的相位关系,对涉及的复数形式的目标谱密度阵给出了实用的分解方法。文中对用上述理论模拟出的风场样本进行了风谱的相关性检验,计算结果与目标值吻合良好,证明了所用模拟方法的可靠性。最后,使用该方法模拟生成了一座大跨度斜拉桥上随机风场的样本。

An overall development of bridge construction in Chongqing is introduced in this paper. The aerodynamic study of long-span arch bridges is reviewed with the example of the Chongqing Caiyuanba Changjiang bridge. The results and analysis methods of wind resistant performance of long-span half through arch bridges are presented. The present review covers the wind tunnel test, the numerical simulation and the design of arch bridges.

简要介绍了重庆市长江大桥的建设情况,并以重庆菜园坝长江大桥为例,介绍大跨度拱桥的抗风性能的相关研究工作。从主拱节段模型静力三分力试验,节段三分力计算流体力学模拟,两榀拱肋的干扰效应,全桥成桥状态和施工状态全桥气动弹性模型的设计和风洞试验,拱桥的涡激共振,拱桥三维随机风场的模拟等方面说明研究的方法和结果。

>=An overall development about bridges construction in Chongqing is introduced in this paper, and research on aerodynamic of long-span arch bridge is reviewed with the example of the Chongqing Caiyuanba Changjiang bridge. The results and research methods of wind resistant performance of long-span half through arch bridge are proposed .The content includes the wind tunnel test of measuring static wind forces on the arch model, and the numerical simulation of the static wind forces by the computational fluid dynamics,...

>=An overall development about bridges construction in Chongqing is introduced in this paper, and research on aerodynamic of long-span arch bridge is reviewed with the example of the Chongqing Caiyuanba Changjiang bridge. The results and research methods of wind resistant performance of long-span half through arch bridge are proposed .The content includes the wind tunnel test of measuring static wind forces on the arch model, and the numerical simulation of the static wind forces by the computational fluid dynamics, and interference effects on the two arches, and design and tunnel test of the aeroelastic models of construction and complete stage , and vortex-induced vibration of Arch bridge, and numerical simulation of three-dimensional wind field.

本文简要介绍了重庆市长江大桥的建设情况,并以重庆菜园坝长江大桥为例,介绍大跨度拱桥的抗风性能的相关研究工作。从主拱节段模型静力三分力试验,节段三分力计算流体力学模拟.两榀拱肋的干扰效应,全桥成桥状态和施工状态全桥气动弹性模型的设计和风洞试验,拱桥的涡激共振,拱桥三维随机风场的模拟等方面说明研究的方法和结果。

 
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