| 1. | Ultimate capacity analysis of long - span steel arch bridges under wind loads
静风荷载作用下大跨度钢拱桥极限承载力分析 |
| 2. | Research on ground concentration mode of dust particle diffusion under calm condition
静风条件下烟尘扩散地面浓度模式的研究 |
| 3. | ( 6 ) the effect of wind to spreading pollens of both species is little
( 6 )在静风条件下，风媒对两种植物的传粉作用均可忽略不计 |
| 4. | It is surrounded by mountains on three sides , so the wind is weak , sometimes almost quiet
冬季平均气温零下10 . 2 。三面环山，风力弱，有时近似静风。 |
| 5. | According to these characteristics and equivalent static wind loading ( eswl ) theory of high - rise buildings and bridges , refined idea to study eswl of large span roofs is presented
针对上述特点,并借鉴高层、桥梁结构的等效静风荷载理论,提出了大跨屋盖结构等效静风荷载研究的精细化思想。 |
| 6. | Firstly , its natural vibration characteristics are analysised , and the model used for calculating is checked at the same time . then the static analysis under wind load is performed before linear buffeting analysis is done
对该桥首先进行了自振特性分析，并借此检验所建桥梁计算模型的正确性，其次进行静风响应分析，最后对全桥做线性抖振分析。 |
| 7. | In this paper , the wind loading time history of the truss structure is simulated according to the data of wind tunnel experiment and pulsating wind spectrum , and the transient dynamic analysis is used on the fem
本文依据风洞试验数据模拟了静风压的空间分布，依据脉动风谱模拟了网架结构的风荷载时程，并对有限元模型进行了有限元瞬态动力学时程分析。 |
| 8. | By taking runyang bridge over the yangtze river as example , effects of some factors such as the static wind action , wind speed spatial non - uniformity , and the cable ' s wind load on the , aerodynamic stability of the bridge are investigated analytically
以润扬长江大桥为例，通过分析揭示了静风效应、风速空间分布的非均匀性以及缆索风荷载等因素对大跨径悬索桥空气动力稳定性的影响。 |
| 9. | The results show that the aerodynamic stability of long - span suspension bridges is significantly influenced by the static wind action , whereas the spatial non - uniformity of wind speed and the cable ' s wind load have basically no influence on it
结果表明：静风效应对大跨径悬索桥空气动力稳定性的影响比较重要，但是风速空间非均匀分布和缆索风荷载等因素对大跨径悬索桥的空气动力稳定性基本没有影响。 |
| 10. | The static and dynamical parameterized finite element model of the whole frame of the pipe belt conveyor and the fluid dynamic parameterized finite element model of the structural section are established by the software ansys of the finite element analysis . and then the static wind load of the whole frame of the pipe belt conveyor is calculated through the average wind pressure theory and computer simulation technology
利用有限元分析软件ansys建立圆管带式输送机整体机架结构的静、动力参数化有限元模型及结构断面的流体动力学参数化有限元模型,并通过平均风压理论及计算机模拟技术计算出作用于机架结构的静风荷载。 |
