In order to improve structure performance of the dish solar concentrator,a three-dimensional model of dish solar concentrator was established based on the high-precision numerical algorithms.And a virtual wind tunnel ...In order to improve structure performance of the dish solar concentrator,a three-dimensional model of dish solar concentrator was established based on the high-precision numerical algorithms.And a virtual wind tunnel experiment with constant wind is adopted to investigate the pressure distribution of the reflective surface,velocity distribution of the fluid domain for the dish solar concentrator in different poses and wind speeds distribution.Some results about wind pressure distribution before and after dish solar concentrator surface and wind load velocity distribution in the entire fluid domain had been obtained.In particular,it is necessary to point out that the stiffness at the center of the dish solar concentrator should be relatively raised.The results can provide a theoretical basis for the improvement of solar concentrator dish structure as well as the failure analysis of dish solar concentrator in engineering practice.展开更多
运用建筑信息模型(Building Information Modeling,BIM)技术,以北魏宣武帝景陵遗址为对象进行虚拟建构实验教学。针对外业信息采集、内业数据处理、建筑内部病害标记与汇总、BIM模型建构与虚拟修缮4个模块开展对学生仪器使用、数据处理...运用建筑信息模型(Building Information Modeling,BIM)技术,以北魏宣武帝景陵遗址为对象进行虚拟建构实验教学。针对外业信息采集、内业数据处理、建筑内部病害标记与汇总、BIM模型建构与虚拟修缮4个模块开展对学生仪器使用、数据处理、建筑病害整理和BIM建模方法等方面的对应训练。教学实践表明,结合建筑遗产实际项目的实验教学能够有效保障学生对于相关技术的理解与掌握,锻炼设备操作与课题研究能力,锤炼专业技能的同时进一步提升遗产保护意识、开拓遗产保护视野。展开更多
基金Projects(201208430262,201306130031)supported by the China Scholarship Council
文摘In order to improve structure performance of the dish solar concentrator,a three-dimensional model of dish solar concentrator was established based on the high-precision numerical algorithms.And a virtual wind tunnel experiment with constant wind is adopted to investigate the pressure distribution of the reflective surface,velocity distribution of the fluid domain for the dish solar concentrator in different poses and wind speeds distribution.Some results about wind pressure distribution before and after dish solar concentrator surface and wind load velocity distribution in the entire fluid domain had been obtained.In particular,it is necessary to point out that the stiffness at the center of the dish solar concentrator should be relatively raised.The results can provide a theoretical basis for the improvement of solar concentrator dish structure as well as the failure analysis of dish solar concentrator in engineering practice.
文摘运用建筑信息模型(Building Information Modeling,BIM)技术,以北魏宣武帝景陵遗址为对象进行虚拟建构实验教学。针对外业信息采集、内业数据处理、建筑内部病害标记与汇总、BIM模型建构与虚拟修缮4个模块开展对学生仪器使用、数据处理、建筑病害整理和BIM建模方法等方面的对应训练。教学实践表明,结合建筑遗产实际项目的实验教学能够有效保障学生对于相关技术的理解与掌握,锻炼设备操作与课题研究能力,锤炼专业技能的同时进一步提升遗产保护意识、开拓遗产保护视野。