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Advances in Engineering Software (1978)最新文献

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An efficient program for the design of a sedimentation tank 一个有效的沉淀池设计程序
Advances in Engineering Software (1978) Pub Date : 1988-04-01 DOI: 10.1016/0141-1195(88)90006-X
S.L. Ong
{"title":"An efficient program for the design of a sedimentation tank","authors":"S.L. Ong","doi":"10.1016/0141-1195(88)90006-X","DOIUrl":"https://doi.org/10.1016/0141-1195(88)90006-X","url":null,"abstract":"","PeriodicalId":100043,"journal":{"name":"Advances in Engineering Software (1978)","volume":"10 2","pages":"Pages 100-105"},"PeriodicalIF":0.0,"publicationDate":"1988-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0141-1195(88)90006-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91955635","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
Application of a dynamic optimization package 应用动态优化包
Advances in Engineering Software (1978) Pub Date : 1988-04-01 DOI: 10.1016/0141-1195(88)90003-4
W.G.C. Cobb, A.W. Wakeling, P. Ward
{"title":"Application of a dynamic optimization package","authors":"W.G.C. Cobb,&nbsp;A.W. Wakeling,&nbsp;P. Ward","doi":"10.1016/0141-1195(88)90003-4","DOIUrl":"10.1016/0141-1195(88)90003-4","url":null,"abstract":"<div><p>This paper describes the theoretical basis of SDRC's redesign package OPTISEN for structures with frequency constraints. The use of the program is illustrated using two examples from the literature plus a realistic design example.</p></div>","PeriodicalId":100043,"journal":{"name":"Advances in Engineering Software (1978)","volume":"10 2","pages":"Pages 77-82"},"PeriodicalIF":0.0,"publicationDate":"1988-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0141-1195(88)90003-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"53539599","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: 1
A user-friendly program of human judgments in engineering decision analysis 一个人性化的工程决策分析程序
Advances in Engineering Software (1978) Pub Date : 1988-04-01 DOI: 10.1016/0141-1195(88)90004-6
M.A. Quaddus, K.L. Poh
{"title":"A user-friendly program of human judgments in engineering decision analysis","authors":"M.A. Quaddus,&nbsp;K.L. Poh","doi":"10.1016/0141-1195(88)90004-6","DOIUrl":"10.1016/0141-1195(88)90004-6","url":null,"abstract":"<div><p>Engineering decision problems are characterized by a set of engineering alternatives which are evaluated with respect to a set of technical/non-technical criteria. The “importance” or “weights” of the criteria play a significant role in the decision analysis. Often experts' opinions are solicited to determine the criteria weights. This paper presents a method to find criteria weights.from expert's judgment. Theory of the method is presented and illustrated by an example. A computer program (subroutine) of the method in TURBO-PASCAL is presented in the appendix and applied to an engineering location problem from the literature. The subroutine can be easily adopted by writing a suitable main program.</p></div>","PeriodicalId":100043,"journal":{"name":"Advances in Engineering Software (1978)","volume":"10 2","pages":"Pages 83-89"},"PeriodicalIF":0.0,"publicationDate":"1988-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0141-1195(88)90004-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"53539120","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
MISER: a FORTRAN program for solving optimal control problems 一个用于解决最优控制问题的FORTRAN程序
Advances in Engineering Software (1978) Pub Date : 1988-04-01 DOI: 10.1016/0141-1195(88)90005-8
C.J. Goh, K.L. Teo
{"title":"MISER: a FORTRAN program for solving optimal control problems","authors":"C.J. Goh,&nbsp;K.L. Teo","doi":"10.1016/0141-1195(88)90005-8","DOIUrl":"10.1016/0141-1195(88)90005-8","url":null,"abstract":"<div><p>Dynamic optimization problems occur often in all fields of engineering and management science. Such problems are often formulated as optimal control problems which is a generalization of the classical calculus of variation. As most of these problems cannot be solved analytically, efficient numerical methods are often found wanting. These are however difficult to devise, especially when hard constraints are involved. This paper presents a general purpose software which utilizes a unified computational approach to solve a wide range of optimal control problems subject to general constraints.</p></div>","PeriodicalId":100043,"journal":{"name":"Advances in Engineering Software (1978)","volume":"10 2","pages":"Pages 90-99"},"PeriodicalIF":0.0,"publicationDate":"1988-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0141-1195(88)90005-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"53539160","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: 50
A human-computer interactive design program for a multisolution nonlinear problem 多解非线性问题的人机交互设计程序
Advances in Engineering Software (1978) Pub Date : 1988-04-01 DOI: 10.1016/0141-1195(88)90007-1
Helen Kuznetsov
{"title":"A human-computer interactive design program for a multisolution nonlinear problem","authors":"Helen Kuznetsov","doi":"10.1016/0141-1195(88)90007-1","DOIUrl":"10.1016/0141-1195(88)90007-1","url":null,"abstract":"<div><p>An idea of using a human-computer interactive program for an engineering design dealing with a nonlinear multisolution problem is introduced. The example shown is a program for a design of a drainage open channel. The hydraulics and geometry equations for triangular or trapezoidal ditches are to be satisfied by the ditch parameters, which are the side slopes (<em>S</em><sub><em>L</em></sub> and <em>S</em><sub><em>R</em></sub>), the depth (<em>d</em>) and the width of the bottom (<em>W</em><sub><em>b</em></sub>). The data are the flow rate (<em>Q</em>) and maximum allowable flow velocity. After <em>W</em><sub><em>b</em></sub> and one of the slopes for a nonsymmetrical ditch (<em>S</em><sub><em>L</em></sub>) are chosen by the designer, the other slope and <em>d</em> may be found as a solution of two nonlinear algebraic equations. Instead of trying to solve these equations, the program displays the two curves in <em>s</em>-<em>d</em> coordinate system. If the curves intersect, the designer types in the coordinates of the point of intersection. Otherwise, new curves for decreased velocity are displayed as the indicated key is pressed. The procedure may be continued until the curves intersect. The final parameters chosen by the designer are checked by the program to verify that the actual flow rate and velocity are within the required limits.</p></div>","PeriodicalId":100043,"journal":{"name":"Advances in Engineering Software (1978)","volume":"10 2","pages":"Pages 106-108"},"PeriodicalIF":0.0,"publicationDate":"1988-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0141-1195(88)90007-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"53539240","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: 1
Electroheating modeling in metal processing: a review 金属加工中的电热建模:综述
Advances in Engineering Software (1978) Pub Date : 1988-04-01 DOI: 10.1016/0141-1195(88)90001-0
Ampere A. Tseng
{"title":"Electroheating modeling in metal processing: a review","authors":"Ampere A. Tseng","doi":"10.1016/0141-1195(88)90001-0","DOIUrl":"10.1016/0141-1195(88)90001-0","url":null,"abstract":"<div><p>The current development of electroheating modeling and its application to metal industry are reviewed in this paper. Particular attention is given to formulating the coupled electromagnetic and induced heat transfer and fluid flow problems that arise in the metal industry. Following a brief introduction of the nature of electroheat problems, the formulation of electromagnetic, heat transfer, and fluid dynamic phenomena is presented. The numerical methods used for electromagnetic modeling including the finite element, and finite difference are then examined. Several commercially available software packages for electromagnetic modeling are also briefly assessed. Finally, the applications of these modeling efforts to the induction heating or melting problems are discussed.</p></div>","PeriodicalId":100043,"journal":{"name":"Advances in Engineering Software (1978)","volume":"10 2","pages":"Pages 58-71"},"PeriodicalIF":0.0,"publicationDate":"1988-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0141-1195(88)90001-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"53539382","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: 3
A criteria for developing a management information system in engineering companies 开发工程公司管理信息系统的标准
Advances in Engineering Software (1978) Pub Date : 1988-01-01 DOI: 10.1016/0141-1195(88)90027-7
Sameh Aly Ibrahim
{"title":"A criteria for developing a management information system in engineering companies","authors":"Sameh Aly Ibrahim","doi":"10.1016/0141-1195(88)90027-7","DOIUrl":"https://doi.org/10.1016/0141-1195(88)90027-7","url":null,"abstract":"","PeriodicalId":100043,"journal":{"name":"Advances in Engineering Software (1978)","volume":"10 1","pages":"Pages 40-45"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0141-1195(88)90027-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90015607","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
Computation of interferences between three-dimensional objects and the optimal packing problem 三维物体间干涉的计算及最优填充问题
Advances in Engineering Software (1978) Pub Date : 1988-01-01 DOI: 10.1016/0141-1195(88)90022-8
Jerry L. Udy, Richard J. Balling, Steven E. Benzley, Mark D. Landon
{"title":"Computation of interferences between three-dimensional objects and the optimal packing problem","authors":"Jerry L. Udy,&nbsp;Richard J. Balling,&nbsp;Steven E. Benzley,&nbsp;Mark D. Landon","doi":"10.1016/0141-1195(88)90022-8","DOIUrl":"10.1016/0141-1195(88)90022-8","url":null,"abstract":"<div><p>The related problems of computing the separation/interference distance between two three-dimensional objects and clearance/protrusion distance between an object and a container wall occur frequently in industry. A method for computing these distances by solving appropriate optimization problems is presented. The method can treat three-dimensional objects with curved sides. The problem of optimally packing objects into a container is also discussed. The packing problem is also solved as an optimization problem The separation/interference and clearance/protrusion problems become subproblems to the packing problem. Examples are presented in the paper.</p></div>","PeriodicalId":100043,"journal":{"name":"Advances in Engineering Software (1978)","volume":"10 1","pages":"Pages 8-14"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0141-1195(88)90022-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"53540036","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: 9
RANDOM: A program for the stationary random vibration analysis of linear structures with hereditary characteristics 具有遗传特性的线性结构的平稳随机振动分析程序
Advances in Engineering Software (1978) Pub Date : 1988-01-01 DOI: 10.1016/0141-1195(88)90026-5
AndréPreumont
{"title":"RANDOM: A program for the stationary random vibration analysis of linear structures with hereditary characteristics","authors":"AndréPreumont","doi":"10.1016/0141-1195(88)90026-5","DOIUrl":"10.1016/0141-1195(88)90026-5","url":null,"abstract":"<div><p>The paper describes a general framework for the spectral analysis of linear structures under stationary random excitation. The method can be implemented as a post-processor to a Finite Element programme.</p><p>The formulation is made in the frequency domain in a way which includes structures with hereditary characteristics. It uses the coupled equations of the normal mode components.</p><p>The method is illustrated by two examples. The first is used to show that the off-diagonal terms in the modal equations may sometimes be significant and that the damping must be treated carefully in the formulation. The second is concerned with the along wind response of buildings and is used as a benchmark. It is shown that in this case, which involves a fairly complicated excitation mechanism, the algorithm is very fast, and can reproduce previously published results.</p></div>","PeriodicalId":100043,"journal":{"name":"Advances in Engineering Software (1978)","volume":"10 1","pages":"Pages 32-39"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0141-1195(88)90026-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"53540256","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: 2
Some numerical results about the solution of sparse linear systems 关于稀疏线性系统解的一些数值结果
Advances in Engineering Software (1978) Pub Date : 1988-01-01 DOI: 10.1016/0141-1195(88)90028-9
Paolino Di Felice, Eliseo Clementini
{"title":"Some numerical results about the solution of sparse linear systems","authors":"Paolino Di Felice,&nbsp;Eliseo Clementini","doi":"10.1016/0141-1195(88)90028-9","DOIUrl":"10.1016/0141-1195(88)90028-9","url":null,"abstract":"<div><p>The paper compares two Pascal programs that solve unsymmetric (very) sparse linear systems by applying, respectively, Gaussian elimination with partial pivoting and Gauss-Jordan reduction. The comparison involves both the CPU times and the storage requirements.</p></div>","PeriodicalId":100043,"journal":{"name":"Advances in Engineering Software (1978)","volume":"10 1","pages":"Pages 46-50"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0141-1195(88)90028-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"53540389","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: 2
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