检索结果-南通市图书馆

Time-Domain Analysis of Underground Station-Layered Soil Interaction Based on High-Order Doubly Asymptotic Transmitting Boundary

引用

Computer Modeling in Engineering & Sciences 2019年第9期120卷 545-560页

作者： tingjin liu Siyuan Zheng Xinwei Tang Yichao Gao State Key Laboratory of Subtropical Building Science South China University of TechnologyGuangzhou510640China South China Institute of Geotechnical Engineering South China University of TechnologyGuangzhou510640China School of Civil Engineering and Transportation South China University of TechnologyGuangzhou510640China College of Civil Engineering Huaqiao UniversityXiamen362021China

Based on the modified scale boundary finite element method and continued fraction solution,a high-order doubly asymptotic transmitting boundary(DATB)is derived and extended to the simulation of vector wave propagation in complex layered *** high-order DATB converges rapidly to the exact solution throughout the entire frequency range and its formulation is local in the time domain,possessing high accuracy and good *** with finite element method,a coupled model is constructed for time-domain analysis of underground station-layered soil *** coupled model is divided into the near and far field by the truncated boundary,of which the near field is modelled by FEM while the far field is modelled by the high-order *** coupled model is implemented in an open source finite element software,OpenSees,in which the DATB is employed as a super *** examples demonstrate that results of the coupled model are stable,accurate and efficient compared with those of the extended mesh model and the viscous-spring boundary ***,it has also shown the fitness for long-time seismic response analysis of underground station-layered soil ***,it is believed that the coupled model could provide a new approach for seismic analysis of underground station-layered soil interaction and could be further developed for engineering.

关键词： Time-domain analysis layered soil scaled boundary finite element method transmitting boundary continued fraction

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

The dependence of cumulative ^(238)U(n,f) fission yield on incident-neutron energy

引用

Nuclear Science and Techniques 2009年第5期20卷 281-285页

作者： ZHENG Na ZHONG Chunlai MA Liyong CHEN Zhongjing LI Xiangqing liu tingjin CHEN Jinxiang FAN Tleshuan State Key Laboratory of Nuclear Physics and Nuclear Technology and School of Physics Peking University Beijing 100871 China China Nuclear Data Center Beijing 102413 China

This work is aim at studying the dependence of fission yields on incident neutron energy, so as to produce evaluated yield sets of the energy dependence. Experimental data at different neutron energies for gas fission products 85m,87,88Kr and 138Xe resulting from the 238U(n, f) reaction are processed using codes AVERAGE for weighed average and ZOTT for simultaneous evaluation. Energy dependence of the cumulative fission product yields on the incident neutron is presented. The evaluated curve of product yield is compared with the results calculated by the TALYS-0.64 code. The present evaluation is consistent with other main libraries in error permission. The fit curve of 87,88Kr can be recommended to predict the unmeasured fission yields. Comparisons of the evaluated energy dependence curves with theoretical calculated results show that the predictions using purely theoretical model for the fission process are not sufficiently accurate and reliable for the calculations of the cumulative fission yields for the 238U(n,f).

关键词：中子核技术能级铀

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Evaluation of 235U Fission Product Yield Data and Study of the Dependence of Fission Yield Data on Neutron Energy

引用

中国核科技报告 1997年第S2期 59-67页

作者： liu tingjin (CNDC, CIAE, Beijing, China)

TheU(n,f) fission product yield data were evaluated for some important product nuclidesZr,Mo,Ce andNd. The dependence of fission yield data on incident neutron energy was studied.

关键词： U Fission Product Yield Data and Study of the Dependence of Fission Yield Data on Neutron Energy Evaluation of data

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Fission Yield Data Systematics for^(238)U

引用

工程科学（英文版） 2005年第4期3卷 50-58页

作者： liu tingjin Sun Zhengjun Shu Nengchuan China Nuclear Data Center China Institute of Atomic Energy Beijing 102413

Based on the mass distribution data up to 200 MeV measured by Zoller with kinetic energy method (corrected), the systematics on dependence of chain yield on incident neutron energy for each mass number A with a linear and quadric function was studied. And also the systematics of mass distribution on mass A and incident neutron energy was investigated by using 5 (or 3 ) Gaussian model. A code of nonlinear squared least method was developed and the parameters were deduced by fitting the experimental data. The calculated results with the parameters obtained could reproduce the experimental data used well. But comparisons with the data measured by radiochemistry method show some systematical difference. It is shown that there is some systematical difference between the measured data with kinetic and radioactive nuclide methods, the reasons of which need to be investigate further.

关键词：铀238 核裂变产物产量分类系统原子能

来源：

维普期刊数据库

同方期刊数据库评论

cnki会议

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：