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Trends in pre– and post–processing 预处理和后处理的趋势
IF 1.1
INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY Pub Date : 2014-08-04 DOI: 10.1504/IJCAT.1994.062515
T. Johansson
{"title":"Trends in pre– and post–processing","authors":"T. Johansson","doi":"10.1504/IJCAT.1994.062515","DOIUrl":"https://doi.org/10.1504/IJCAT.1994.062515","url":null,"abstract":"A review of the development of finite element modelling (pre–processing) and results presentation (post–processing) is given. The relation between design and analysis is discussed. Different approaches to mesh generation are summarised, and some on–going research in this important area is briefly outlined. How material, loads, and other physical or environmental data are added to the model is described. Major progress in model and result visualisation made through development in both algorithms and hardware are accounted for. The importance of the data–structure for good interactive response is stressed. As pre– and post–processors are used in conjunction with finite element programs, data transfer is an essential topic. Also the place of pre–post in a wider CAE environment is discussed.","PeriodicalId":46624,"journal":{"name":"INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY","volume":"332 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2014-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76374329","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
3D modelling of electromagnetic fields: advantages and disadvantages of nodal or edge elements 电磁场的三维建模:节点或边缘元素的优缺点
IF 1.1
INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY Pub Date : 2014-08-04 DOI: 10.1504/IJCAT.1995.062400
B. Bandelie, F. Rioux‐Damidau
{"title":"3D modelling of electromagnetic fields: advantages and disadvantages of nodal or edge elements","authors":"B. Bandelie, F. Rioux‐Damidau","doi":"10.1504/IJCAT.1995.062400","DOIUrl":"https://doi.org/10.1504/IJCAT.1995.062400","url":null,"abstract":"Starting from the magnetic field formulation of magnetodynamics, we consider the coupling of a finite element method in the conductors with a boundary integral method for the description of the exterior region. We examine three different discretizations: one variable per edge, two variables per edge and nodal variables. We determine the precision on the magnetic field h and the current j = curl h as a function of the dimension of the mesh and of the CPU time in each case. We deduce the best–suited variable to the computation of each physical quantity.","PeriodicalId":46624,"journal":{"name":"INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY","volume":"31 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2014-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81862319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The simplified STR applied to an asymmetric hydraulic servo system 将简化STR应用于非对称液压伺服系统
IF 1.1
INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY Pub Date : 2014-08-04 DOI: 10.1504/IJCAT.1996.062316
Chih-Hsiung Huang, Ying T. Wang
{"title":"The simplified STR applied to an asymmetric hydraulic servo system","authors":"Chih-Hsiung Huang, Ying T. Wang","doi":"10.1504/IJCAT.1996.062316","DOIUrl":"https://doi.org/10.1504/IJCAT.1996.062316","url":null,"abstract":"A single–rod cylinder servo system driving a single–side load is typically a 4th–order non–linear and discontinuous system. However, its asymmetric nature will cause steady state error in position control. At the low frequency of interest, this system can be simplified as a 1st–order ARMA model and the PEDF algorithm is used for parameter adaptation. In addition to tracing the time–varying and discontinuous parameters, the PEDF is to ensure the covariance matrix is bounded so as to guard against peak in the parameter adaptation process. To eliminate steady state error, an integrator is included in the structure of implicit STR and it only estimates two controller parameters by applying the final value theorem of the z–transform. The proposed implicit STR not only avoids unstable pole–zero cancellation, but also prevents the redundant zero of the high order model from being hidden. Finally, various experiments prove its effectiveness and adaptation numerically.","PeriodicalId":46624,"journal":{"name":"INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY","volume":"74 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2014-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85720406","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Simulation of changing geometry with variable openings using CFD 用CFD模拟变开口的几何变化
IF 1.1
INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY Pub Date : 2014-08-04 DOI: 10.1504/IJCAT.1998.062203
T. Campbell, L. Yu
{"title":"Simulation of changing geometry with variable openings using CFD","authors":"T. Campbell, L. Yu","doi":"10.1504/IJCAT.1998.062203","DOIUrl":"https://doi.org/10.1504/IJCAT.1998.062203","url":null,"abstract":"In this paper an insight into the problem of the 'sliding–valve' effect is discussed for general industrial applications. The 'curved–pipe' effect is also considered for applications in two–stroke engines. The background to the treatment of variable openings for two–stroke engines is reviewed. A novel method for a moving mesh is presented in the simulation of a changing geometry with variable openings using a multi–dimensional CFD code. The results of applying this model to direct–fuel–injection two–stroke engines are presented.","PeriodicalId":46624,"journal":{"name":"INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY","volume":"65 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2014-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74975463","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Challenges for electronic data interchange in becoming a global competitive tool 电子数据交换成为全球竞争工具所面临的挑战
IF 1.1
INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY Pub Date : 2014-08-04 DOI: 10.1504/IJCAT.1995.062416
Ranjan B. Kini
{"title":"Challenges for electronic data interchange in becoming a global competitive tool","authors":"Ranjan B. Kini","doi":"10.1504/IJCAT.1995.062416","DOIUrl":"https://doi.org/10.1504/IJCAT.1995.062416","url":null,"abstract":"Lately, managers have been waving the flag about electronic data interchange (EDI) as a 'strategic weapon' in global competition. It is an innovative tool useful for accurate and timely interchange of business information. The major focus of EDI is 'business' related, not technology related. In this paper, these 'business' related issues, their complexity and challenges for harmonisation in the global business context are discussed.","PeriodicalId":46624,"journal":{"name":"INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY","volume":"65 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2014-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72838364","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bandwidth analysis of m–Level HMPMB interconnections for multiprocessors 多处理器m级HMPMB互连的带宽分析
IF 1.1
INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY Pub Date : 2014-08-04 DOI: 10.1504/IJCAT.1996.062309
Jian Li, Hu-Jun Wang, Hui-Zhong Wu
{"title":"Bandwidth analysis of m–Level HMPMB interconnections for multiprocessors","authors":"Jian Li, Hu-Jun Wang, Hui-Zhong Wu","doi":"10.1504/IJCAT.1996.062309","DOIUrl":"https://doi.org/10.1504/IJCAT.1996.062309","url":null,"abstract":"The interconnection network (IN) is one of the major factors which determine the performance of a multiprocessor system. It is imperative to have a model by which the efficiency of the IN can be correctly evaluated. This paper presents an m–level HMPMB multiprocessor system and analyses its bandwidth performance. Two models are developed for the hierarchically equally likely case and favourite case, respectively. They show that the m–level HMPMB multiprocessor system performs well and is fairly close to a typical memory–oriented partial multiple bus system (MPMB) for high rates of favourite requests.","PeriodicalId":46624,"journal":{"name":"INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY","volume":"24 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2014-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87043881","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Computer–aided design of energy–efficient buildings 节能建筑的计算机辅助设计
IF 1.1
INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY Pub Date : 2014-08-04 DOI: 10.1504/IJCAT.1990.062714
R. Zmeureanu, P. Fazio
{"title":"Computer–aided design of energy–efficient buildings","authors":"R. Zmeureanu, P. Fazio","doi":"10.1504/IJCAT.1990.062714","DOIUrl":"https://doi.org/10.1504/IJCAT.1990.062714","url":null,"abstract":"The use of computers in the design of energy–efficient buildings has become a necessity because of the large number of parameters such designs involve and the need to meet standards that call for computer use. This paper shows how an initial design, developed in accordance with the proposed ASHRAE Standard 90.1 P 'Energy efficient design of new buildings except low–rise residential buildings', is modified to reduce the building's energy costs.","PeriodicalId":46624,"journal":{"name":"INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY","volume":"67 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2014-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90276749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A system for planning and optimal control in computer–centre management 计算机中心管理中的规划和最优控制系统
IF 1.1
INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY Pub Date : 2014-08-04 DOI: 10.1504/IJCAT.1991.062583
S. Bennani, V. Badeva
{"title":"A system for planning and optimal control in computer–centre management","authors":"S. Bennani, V. Badeva","doi":"10.1504/IJCAT.1991.062583","DOIUrl":"https://doi.org/10.1504/IJCAT.1991.062583","url":null,"abstract":"This paper presents a method, and some utilities, for establishing a planning and control system for the management of a computer centre. This planning system provides the conditions for optimal use and availability of the centre's resources. The system's structure is modular and extendible. It defines modules for establishing plans. It also creates automatic modules for monitoring and routine task execution according to the plan's imperatives. It has the ability to balance the redistribution of resources. Both the originality of its conception and the ease with which it can be set up make this system applicable to a large number of engineering domains, and especially to those with complex operations that need planning and real time monitoring.","PeriodicalId":46624,"journal":{"name":"INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY","volume":"51 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2014-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89946475","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Software: Running on the right numbers 软件:在正确的数字上运行
IF 1.1
INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY Pub Date : 2014-08-04 DOI: 10.1504/IJCAT.1989.062674
H. Schwärtzel
{"title":"Software: Running on the right numbers","authors":"H. Schwärtzel","doi":"10.1504/IJCAT.1989.062674","DOIUrl":"https://doi.org/10.1504/IJCAT.1989.062674","url":null,"abstract":"With a 25% annual growth rate, the world software market is expanding almost four times as fast as the electrical and electronics market. Software is fuelling innovation in everything from ISDN to photocomposition; but development remains an elaborate process.","PeriodicalId":46624,"journal":{"name":"INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY","volume":"10 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2014-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79266533","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fault–tolerant architecture for serial–parallel multipliers 串并联乘法器的容错架构
IF 1.1
INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY Pub Date : 2014-08-04 DOI: 10.1504/IJCAT.1998.062190
A. A. El-Gawad
{"title":"Fault–tolerant architecture for serial–parallel multipliers","authors":"A. A. El-Gawad","doi":"10.1504/IJCAT.1998.062190","DOIUrl":"https://doi.org/10.1504/IJCAT.1998.062190","url":null,"abstract":"An efficient fault–tolerant architecture for use in serial–parallel multipliers is proposed. This architecture uses a time redundancy method together with the technique of a fast serial–parallel multiplier to achieve both error detection and error location with small time and hardware overheads. The design is most suitable for use in VLSI circuits and digital signal processing applications where serial data is available.","PeriodicalId":46624,"journal":{"name":"INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY","volume":"60 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2014-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85674707","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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