The glass facade of high-rise building in coastal areas is vulnerable under typhoon.The research works in the literature on facade's wind-resistance performance,however,have some limitations to apply to this issue...The glass facade of high-rise building in coastal areas is vulnerable under typhoon.The research works in the literature on facade's wind-resistance performance,however,have some limitations to apply to this issue.During typhoon landing,the whole facade will vibrate and deform due to the change of atmosphere,temperature and impacted torrential rain,to result in a quite different strain or stress distribution in the glass facade from those in model test and wind tunnel test.In this paper,the field measurement on glass facade of a coastal high-rise building in Xiamen was performed,the wind pressure on the glass facade was measured and a large number of windinduced stress data were obtained during typhoon landing.The relationship between wind pressure and stress or strain of the glass panel was analyzed and the situation of stress distribution was summarized.展开更多
使用中国科学院大气物理研究所研制的全球海洋环流模式(LASG/IAP Climate system Ocean Model,LICOM),通过设计三个试验,即以德国马克斯—普朗克气象研究所整理的海洋模式比较计划(OMIP)资料和美国国家海洋资料中心(NODC)发布的《世界...使用中国科学院大气物理研究所研制的全球海洋环流模式(LASG/IAP Climate system Ocean Model,LICOM),通过设计三个试验,即以德国马克斯—普朗克气象研究所整理的海洋模式比较计划(OMIP)资料和美国国家海洋资料中心(NODC)发布的《世界海洋图集2009》(WOA09)资料为强迫场的试验W,用美国环境预报中心(NCEP)和国家大气研究中心(NCAR)联合推出的NCEP/NCAR再分析资料(简称NCEP资料)中的风应力资料代替试验W中的风应力资料的试验M,以及用NCEP资料中的热力强迫代替试验M中的热力强迫资料的试验N,来研究不同的热力和动力强迫场对模式的影响。三个试验的模拟结果均模拟出了水团和流场的分布型和极值区。从三个试验的结果对比可以看出,NCEP资料较弱的风应力使得试验M环流场明显偏弱,减弱了大洋内部的温盐输送,加大了深海温盐模拟结果与观测资料的偏差,但对原模式过强的南极中层水的输送有所改善。NCEP的短波辐射通量和非短波热通量弱于OMIP,且在两极区域NCEP资料的海表温度比WOA09资料最多低4°C以上。试验N的模拟结果改善了南大洋60°S以南海区试验W模拟的海表温度偏高问题,减小了北冰洋部分海域以及副热带大洋东部海表温度的偏差。此外,试验N高纬度较低的海表温度增强了北大西洋深水以及南极底层水的输送,因而改善了深海的温盐模拟结果。三个试验在一些关键海区得到的经向热输送在观测估计及前人模拟结果的范围中,总体上试验M的输送最弱。综合三个试验的模拟结果,可以认为OMIP风应力资料和NCEP海表温度资料更适合作为LICOM模式的强迫场。展开更多
基金supported by the National Natural Science Foundation of China (Grant Nos. 90815030,50978094,51008237)
文摘The glass facade of high-rise building in coastal areas is vulnerable under typhoon.The research works in the literature on facade's wind-resistance performance,however,have some limitations to apply to this issue.During typhoon landing,the whole facade will vibrate and deform due to the change of atmosphere,temperature and impacted torrential rain,to result in a quite different strain or stress distribution in the glass facade from those in model test and wind tunnel test.In this paper,the field measurement on glass facade of a coastal high-rise building in Xiamen was performed,the wind pressure on the glass facade was measured and a large number of windinduced stress data were obtained during typhoon landing.The relationship between wind pressure and stress or strain of the glass panel was analyzed and the situation of stress distribution was summarized.
文摘使用中国科学院大气物理研究所研制的全球海洋环流模式(LASG/IAP Climate system Ocean Model,LICOM),通过设计三个试验,即以德国马克斯—普朗克气象研究所整理的海洋模式比较计划(OMIP)资料和美国国家海洋资料中心(NODC)发布的《世界海洋图集2009》(WOA09)资料为强迫场的试验W,用美国环境预报中心(NCEP)和国家大气研究中心(NCAR)联合推出的NCEP/NCAR再分析资料(简称NCEP资料)中的风应力资料代替试验W中的风应力资料的试验M,以及用NCEP资料中的热力强迫代替试验M中的热力强迫资料的试验N,来研究不同的热力和动力强迫场对模式的影响。三个试验的模拟结果均模拟出了水团和流场的分布型和极值区。从三个试验的结果对比可以看出,NCEP资料较弱的风应力使得试验M环流场明显偏弱,减弱了大洋内部的温盐输送,加大了深海温盐模拟结果与观测资料的偏差,但对原模式过强的南极中层水的输送有所改善。NCEP的短波辐射通量和非短波热通量弱于OMIP,且在两极区域NCEP资料的海表温度比WOA09资料最多低4°C以上。试验N的模拟结果改善了南大洋60°S以南海区试验W模拟的海表温度偏高问题,减小了北冰洋部分海域以及副热带大洋东部海表温度的偏差。此外,试验N高纬度较低的海表温度增强了北大西洋深水以及南极底层水的输送,因而改善了深海的温盐模拟结果。三个试验在一些关键海区得到的经向热输送在观测估计及前人模拟结果的范围中,总体上试验M的输送最弱。综合三个试验的模拟结果,可以认为OMIP风应力资料和NCEP海表温度资料更适合作为LICOM模式的强迫场。
