文章基于Web of Science核心数据库,采用CiteSpace可视化工具对2000—2020年间词类问题的神经语言学研究进行科学知识图谱分析。结果发现:“名动分立”与“名动不分”是该领域中最基本的问题,动词与名词加工机制的语义/语法之争是经典...文章基于Web of Science核心数据库,采用CiteSpace可视化工具对2000—2020年间词类问题的神经语言学研究进行科学知识图谱分析。结果发现:“名动分立”与“名动不分”是该领域中最基本的问题,动词与名词加工机制的语义/语法之争是经典话题。词类问题的神经语言学研究主要热点有脑电、名词与动词、语法类别、功能磁共振成像等。当下前沿方向有表征、人类大脑、工作记忆。长远看来,词类问题的神经语言学研究应同步更新理论模型与实验方法,并做到“求同存异”,既要把握跨语言的一般规律,也要根据不同语言的特性进行本土化研究。展开更多
A new concept of structurally dissipating rock-shed (SDR) was developed by the lab of Tonello IC and LOCIE-ESIGEC (France). To decide the dimension of the plate used in SDR, an ANSYS model which could simulate the imp...A new concept of structurally dissipating rock-shed (SDR) was developed by the lab of Tonello IC and LOCIE-ESIGEC (France). To decide the dimension of the plate used in SDR, an ANSYS model which could simulate the impact of rock in the centre of the plate was established by Fabien Delhomme. By using this model, some finite element analyses are carried out in the present paper. Firstly, a plate impacted by a block is numerically simulated, the numerical results obtained from different mesh sizes are compared and the accuracy of the finite element model is verified. Then, the dynamic response of the plate impacted at the boundary and in the medium part is computed. By analyzing the stress in rebar, the most dangerous region of impact of plate was found. For a rectangular plate, the most dangerous region is at the corner of the plate when a block drops in. Finally, the whole deformation process of the plate under dropping block was simulated and a simplified definition (effect zone) to describe the deformation process in different positions of plate was given. From this study, it is found that the impact only affects heavily within the effect zone.展开更多
文摘文章基于Web of Science核心数据库,采用CiteSpace可视化工具对2000—2020年间词类问题的神经语言学研究进行科学知识图谱分析。结果发现:“名动分立”与“名动不分”是该领域中最基本的问题,动词与名词加工机制的语义/语法之争是经典话题。词类问题的神经语言学研究主要热点有脑电、名词与动词、语法类别、功能磁共振成像等。当下前沿方向有表征、人类大脑、工作记忆。长远看来,词类问题的神经语言学研究应同步更新理论模型与实验方法,并做到“求同存异”,既要把握跨语言的一般规律,也要根据不同语言的特性进行本土化研究。
文摘A new concept of structurally dissipating rock-shed (SDR) was developed by the lab of Tonello IC and LOCIE-ESIGEC (France). To decide the dimension of the plate used in SDR, an ANSYS model which could simulate the impact of rock in the centre of the plate was established by Fabien Delhomme. By using this model, some finite element analyses are carried out in the present paper. Firstly, a plate impacted by a block is numerically simulated, the numerical results obtained from different mesh sizes are compared and the accuracy of the finite element model is verified. Then, the dynamic response of the plate impacted at the boundary and in the medium part is computed. By analyzing the stress in rebar, the most dangerous region of impact of plate was found. For a rectangular plate, the most dangerous region is at the corner of the plate when a block drops in. Finally, the whole deformation process of the plate under dropping block was simulated and a simplified definition (effect zone) to describe the deformation process in different positions of plate was given. From this study, it is found that the impact only affects heavily within the effect zone.
