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Journal articles on the topic 'Engineering design Computer simulation'

Author: Grafiati

Published: 4 June 2021

Last updated: 16 February 2022

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1

Kolbasin, Alexander, and Oksana Husu. "Computer-aided design and Computer-aided engineering." MATEC Web of Conferences 170 (2018): 01115. http://dx.doi.org/10.1051/matecconf/201817001115.

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In modern industrial production some of the major factors of successful development include: cost reduction of the production, im-provement of its quality, as well as help to minimise the time in market en-try. Computer-aided design and Computer-aided engineering (CAD / CAE - systems) are the most effective for implementation of these requirements. Possible use of this engineering modeling simulation in conjunction with the power and speed of high performance computing could reduce costs and time of each cycle of designing, and also significantly reduce devel-opment time. The introduction of new technologies, the use of high quality products and engagement of qualified personnel would allow businesses and organizations to get on a path of innovative development of design and production systems.

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2

ROORDA, JOHN, and TONY CARTWRIGHT. "Engineering Design Simulation: A Computer-based Teaching Environment." European Journal of Engineering Education 19, no. 1 (1994): 105–15. http://dx.doi.org/10.1080/03043799408923275.

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3

Guo, Ke Xi, Ying Huang, and Hua Zong. "Application Research on Collaborative Design of Engineering Machinery Design." Applied Mechanics and Materials 37-38 (November 2010): 194–97. http://dx.doi.org/10.4028/www.scientific.net/amm.37-38.194.

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This paper elaborates the main contents of collaborative design supported by computer and discusses cores of collaborative design architecture of engineering machinery and real-time collaboration under the CAD environment. Under the collaborative characteristics of simulation technology, it expounds the notion of collaborative simulation and operational environment. Finally it points out that cooperative work supported by computer has a broad applied prospect in the manufacturing industry of engineering machinery.

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4

Zendler, Andreas, and Manuel Gohl. "Direct Instruction vs. Computer Simulation and their Learning Outcome in Engineering Education." International Journal of Engineering Education 1, no. 2 (2019): 91–98. http://dx.doi.org/10.14710/ijee.1.2.91-98.

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Answers to the questions of which instructional methods are suitable for school, what instructional methods should be applied in teaching individual subjects and how instructional methods support the act of learning represent challenges to general education and education in individual subjects. This study focuses on the empirical examination of learning outcome in engineering educationwith respect to two instructional methods: direct instruction and computer simulation. A CRF 2x2 design is used to control instructional method and class context. Learning outcome on bridge construction is assessed with reference to the optics of bridge and the material usage for the bridge. The empirical findings show that learning with direct instruction was superior to computer simulation.

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Cook, Thomas M., and Prakash Rao. "Airline Terminal Design Using Computer Simulation." IIE Transactions 17, no. 4 (1985): 314–19. http://dx.doi.org/10.1080/07408178508975309.

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6

Fischlin, A., M. Mansour, M. Rimvall, and W. Schaufelberger. "Simulation and Computer Aided Control System Design in Engineering Education." IFAC Proceedings Volumes 20, no. 12 (1987): 51–60. http://dx.doi.org/10.1016/s1474-6670(17)55605-0.

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7

Gutekunst, Kevin R., and Richard J. Cruise. "Human Factors Simulation to Support Software Design." Proceedings of the Human Factors Society Annual Meeting 31, no. 12 (1987): 1416–20. http://dx.doi.org/10.1177/154193128703101225.

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Computer simulation of the operator/system interface is a useful tool for supporting system software design. Simulation is also a flexible and cost effective method for applying human engineering analysis techniques as required by MIL-H-46855 (Human Engineering Requirements for Military Systems, Equipment and Facilities). This paper describes the integrated methodology used to model the operator/computer interaction for a newly developed military system. The operator/computer interface was potentially complex since the operators were required to control several sensors as well as communicate intelligence information within specified time constraints. In order to focus the design process and optimize the operator/computer interface, a computer simulation using the Micro SAINT software package was performed. This simulation provided a dynamic and integrated approach for performing subsequent design trade offs and developing software interface specifications and requirements.

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Sanchez, S. M., P. J. Sanchez, J. S. Ramberg, and F. Moeeni. "Effective Engineering Design through Simulation." International Transactions in Operational Research 3, no. 2 (1996): 169–85. http://dx.doi.org/10.1111/j.1475-3995.1996.tb00044.x.

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Cheng, Zhi Li, and Wei Cheng. "Computer-Aided Ergonomics Design Technique in Industrial Product Design." Advanced Materials Research 433-440 (January 2012): 3076–79. http://dx.doi.org/10.4028/www.scientific.net/amr.433-440.3076.

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Computer-aided ergonomics design (CAED) is the combination of several academics knowledge, which includes computer engineering and technique, man-machine engineering and dynamics. In the paper, computer-aided ergonomics design technique in industrial product design is presented. Then, the structure of computer-aided ergonomics design technique in industrial product design is given and the application of the computer-aided ergonomics design is presented in the study. Simulation evaluation for design project in the front period can shorten the period and cost from design to manufacture and reduce the time of designer. The experimental results indicate that computer-aided ergonomics design technique in industrial product design proposed in the paper is feasible. Therefore, computer-aided ergonomics design technique in industrial product design has widely application space.

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10

MALOUF, PERRY, and VICTOR GRANATSTEIN. "Design and computer simulation of a gyrotwystron." International Journal of Electronics 72, no. 5-6 (1992): 943–58. http://dx.doi.org/10.1080/00207219208925626.

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11

Gijo, E. V., and Johny Scaria. "Product design by application of Taguchi's robust engineering using computer simulation." International Journal of Computer Integrated Manufacturing 25, no. 9 (2012): 761–73. http://dx.doi.org/10.1080/0951192x.2012.665186.

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12

Chen, Ying, Si Cheng Li, and Jie Ji. "Application of Computer Simulation Technique in Smoke Control System Design." Advanced Materials Research 255-260 (May 2011): 1848–52. http://dx.doi.org/10.4028/www.scientific.net/amr.255-260.1848.

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The fire simulation technology is widely used with the rapid development of computer technology. Taking a 12-story building for calculation, numerical simulation method is used to analyze the wind speed distribution characteristics of opening stairwell door and lobby door under different air supply volume. Then the appropriate pressurized air supply mode and back pressure coefficient value under natural smoke venting have been recommended. The researches show that computer simulation can be used in smoke control system design to help determine pressurized air supply mode and design parameters, so as to solve difficult problems in engineering design.

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13

Turng, L.-S., and M. Peić. "Computer aided process and design optimization for injection moulding." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 216, no. 12 (2002): 1523–32. http://dx.doi.org/10.1243/095440502321016288.

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Sophisticated computer aided engineering (CAE) simulation tools for injection moulding have been available and are now widely used in industrial practices. As a result, the design and manufacturing of injection-moulded parts have been literally transformed from a ‘black art’ to an engineering discipline based on scientific principles. It is well recognized that computer simulation tools help engineers to gain process insight and to pinpoint blind spots and problems that are overlooked. Nevertheless, there remains a missing link in CAE, which lies in the ability to identify effectively the optimal design and process variables, as it is hampered by the sheer amount of computer-generated data and complex non-linear interactions among those input variables. This paper presents the system implementation and experimental verifications of an integrated CAE optimization tool that couples a process simulation program with optimization algorithms to determine intelligently and automatically the optimal design and process variables for injection moulding. In addition, this study enables evaluation and comparison of various local and global optimization algorithms in terms of computational efficiency and effectiveness for injection moulding, as presented in this paper.

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14

Wang, A. T. "Finite-Simulation Error Bounds for Estimated K-Year Forces." Journal of Offshore Mechanics and Arctic Engineering 111, no. 4 (1989): 273–77. http://dx.doi.org/10.1115/1.3257095.

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Computer simulations have been used frequently to calculate design loads associated with a specific return period for offshore structures. However, two important questions persistently confront engineers who simulate load events on computers to estimate k-year forces: 1) How accurate is the estimated k-year force (say, 100-yr force) obtained through a computer simulation of n years (e.g., n = 1000) compared to that which would result from a much longer simulation? 2) When can we stop a computer simulation? Or how many simulation years are needed to reach a specified level of reliability for a certain k-year force? This paper presents solutions to these two questions under the assumption that the input parameters are completely known and the formulas used to compute loads are one hundred percent correct. Given a confidence level C (e.g., C = 80 or 90 percent) and an arbitrary but fixed number of simulation years, a method is identified to find an estimated k-year force and an error bound α, such that Pr(|estimator−k-yearforce|<α)>C (1) In addition, when the required confidence C and error bound α are given, a procedure is given to stop a computer simulation as soon as inequality (1) is satisfied. These results are not dependent on the statistical distribution of the underlying force distribution. Therefore, one does not have to assume that forces are of a specific probability distribution (such as lognormal, exponential, etc.).

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Yu, Ling. "The Application of Computer Simulation Technology in Building Design." Applied Mechanics and Materials 686 (October 2014): 554–59. http://dx.doi.org/10.4028/www.scientific.net/amm.686.554.

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From the simulation software selection, meteorological data collection, model, boundary conditions, calculation setting and evaluation indicators, the paper summarize simulation method of wind, light and sound, summarize three kinds of environmental. The paper study on optimization analysis method of green building from four aspects of building orientation, architectural form, architectural layout and indoor environment, and puts forward the optimization scheme of the typical simulation analysis of simple questions; provide guidance for optimizing the design of green building. Finally, ECOTECT can adapt to the current domestic engineering design and consulting on green building simulation and design requirements, and has a broad application prospect.

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Lacroix, Damien, Josep A. Planell, and Patrick J. Prendergast. "Computer-aided design and finite-element modelling of biomaterial scaffolds for bone tissue engineering." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 367, no. 1895 (2009): 1993–2009. http://dx.doi.org/10.1098/rsta.2009.0024.

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Scaffold biomaterials for tissue engineering can be produced in many different ways depending on the applications and the materials used. Most research into new biomaterials is based on an experimental trial-and-error approach that limits the possibility of making many variations to a single material and studying its interaction with its surroundings. Instead, computer simulation applied to tissue engineering can offer a more exhaustive approach to test and screen out biomaterials. In this paper, a review of the current approach in biomaterials designed through computer-aided design (CAD) and through finite-element modelling is given. First we review the approach used in tissue engineering in the development of scaffolds and the interactions existing between biomaterials, cells and mechanical stimuli. Then, scaffold fabrication through CAD is presented and characterization of existing scaffolds through computed images is reviewed. Several case studies of finite-element studies in tissue engineering show the usefulness of computer simulations in determining the mechanical environment of cells when seeded into a scaffold and the proper design of the geometry and stiffness of the scaffold. This creates a need for more advanced studies that include aspects of mechanobiology in tissue engineering in order to be able to predict over time the growth and differentiation of tissues within scaffolds. Finally, current perspectives indicate that more efforts need to be put into the development of such advanced studies, with the removal of technical limitations such as computer power and the inclusion of more accurate biological and genetic processes into the developed algorithms.

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17

Liang, Hong Bo, Yi Ping Yao, and Xiao Dong Mu. "Development of a HLA/RTI for High Performance Simulation." Advanced Materials Research 291-294 (July 2011): 3044–49. http://dx.doi.org/10.4028/www.scientific.net/amr.291-294.3044.

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High performance simulation has great prospect of application in the fields of Materials Science and Engineering. In high performance simulation, high performance computers are used to improve the performance of simulation. As one of the simulation standards, HLA simulation was greatly applied in computer simulation. In HLA simulation domain, many RTIs are designed to support the simulation in LAN/WAN environment. Because of the general TCP/UDP communication mechanism, high simulation performance can’t be achieved by these software on high performance computer. To improve the simulation performance, a customized RTI software for high performance computer and PC hybrid environment is designed. By using of partially hierarchical design on functional distributed architecture, large scale simulation can be supported. An adaptive communication mechanism is proposed, which can adapt communication between different RTI components to shared memory, Infiniband and Ethernet automatically, thus can greatly improve communication performance. In addition, this paper explains the related design in this customized RTI.

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18

UENO, Osamu, Akihisa SAKURAI, and Shigeo NARA. "EMI Simulation and EMC Design. EMC Design in Computer-Aided Design Systems." Journal of Japan Institute of Electronics Packaging 2, no. 7 (1999): 531–34. http://dx.doi.org/10.5104/jiep.2.531.

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Peng, Yamian, Chunfeng Liu, and Dianxuan Gong. "Numerical Simulation Techniques Research and Application in Genetic Algorithm Design." Open Mechanical Engineering Journal 8, no. 1 (2014): 63–68. http://dx.doi.org/10.2174/1874155x01408010063.

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Numerical simulation techniques are also called computer simulation, which take the computer as a means to study all kinds of engineering and physical problems even natural objective through numerical calculation method and image display. This paper studied the numerical simulation techniques and try to solve two-dimensional convectiondiffusion equation parameter identification inverse problem by the genetic algorithm. Firstly, the finite element method was illustrated to solve the steady problem of two-dimensional convection-diffusion equation before it compute parameter identification inverse problem each time. Subsequently, it can search the best approximate solution from many initial points and obtained the global optimum solution by means of crossover operator and mutation operator. Finally, the paper discussed the computer simulation of GA for solving the inverse problem, and puts forward a new method for solving inverse problem: Genetic algorithm based on the best disturbed iteration. The results of numerical simulation show that the genetic algorithm has the higher accuracy and the quicker convergent speed. And it is easy to program and calculate and is of great application.

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20

Krawczyk, Mariusz, Cezary Jerzy Szczepanski, and Albert Zajdel. "Aircraft model for the automatic taxi directional control design." Aircraft Engineering and Aerospace Technology 91, no. 2 (2019): 289–95. http://dx.doi.org/10.1108/aeat-01-2018-0025.

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PurposeThis paper aims to present a concept of an automatic directional control system of remotely piloted aerial system (RPAS) during the taxiing phase. In particular, it shows the initial stages of the control laws synthesis-mathematical model and simulation of taxiing aircraft. Several reasons have emerged in recent years that make the automation of taxiing an important design challenge including decreased safety, performance and pilot workload.Design/methodology/approachThe adapted methodology follows the model-based design approach in which the control system and the aircraft are mathematically modelled to allow control laws synthesis. The computer simulations are carried out to analyse the model behaviour.FindingsChosen methodology and modelling technique, especially tire-ground contact model, resulted in a taxiing aircraft model that can be used for directional control law synthesis. Aerodynamic forces and moments were identified in the wind tunnel tests for the full range of the slip angle. Simulations allowed to compute the critical speeds for different taxiway conditions in a 90° turn.Practical implicationsThe results can be used for the taxi directional control law synthesis and simulation of the control system. The computed critical speeds can be treated as a safety limits.Originality/valueThe taxi directional control system has not been introduced to the RPAS yet. Therefore, the model of taxiing aircraft including aerodynamic characteristics for the full range of the slip angle has a big value in the process of design and implementation of the future auto taxi systems. Moreover, computed speed safety limits can be used by designers and standards creators.

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Krawczyk, Mariusz, Cezary Jerzy Szczepanski, and Albert Zajdel. "Aircraft model for automatic taxi directional control system design." Aircraft Engineering and Aerospace Technology 91, no. 3 (2019): 477–83. http://dx.doi.org/10.1108/aeat-06-2018-0161.

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Purpose This paper aims to present a concept of an automatic directional control system of remotely piloted aerial system (RPAS) during the taxiing phase. In particular, it shows the initial stages of the control laws synthesis – mathematical model and simulation of taxiing aircraft. Several reasons have emerged in recent years that make the automation of taxiing an important design challenge including decreased safety, performance and pilot workload. Design/methodology/approach The adapted methodology follows the model-based design approach in which the control system and the aircraft are mathematically modelled to allow control laws synthesis. The computer simulations are carried out to analyse the model behaviour. Findings Chosen methodology and modelling technique, especially tire-ground contact model, resulted in a taxing aircraft model that can be used for directional control law synthesis. Aerodynamic forces and moments were identified in the wind tunnel tests for the full range of the slip angle. Simulations allowed to compute the critical speeds for different taxiway conditions in a 90° turn. Practical implications The results can be used for the taxi directional control law synthesis and simulation of the control system. The computed critical speeds can be treated as safety limits. Originality/value The taxi directional control system has not been introduced to the RPAS yet. Therefore, the model of taxiing aircraft including aerodynamic characteristics for the full range of the slip angle has a big value in the process of design and implementation of the future auto taxi systems. Moreover, computed speed safety limits can be used by designers and standard creators.

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22

Lemu, Hirpa G. "Simulation-Based Engineering Approaches for Renewable Energy Conversion Systems." Advanced Materials Research 1039 (October 2014): 91–98. http://dx.doi.org/10.4028/www.scientific.net/amr.1039.91.

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The article provides a brief overview of the existing simulation-based engineering approaches with main focus on applications in analysis and simulation of renewable energy conversion systems. Among available numerical simulation tools, the study focuses on finite element analysis and multibody dynamics simulation techniques that are currently attracting the major research attention. Any mechanical simulation task presupposes existence of a simulation model, commonly in a computer-aided design tool. Thus, the approach used to merge design data with other computer-aided engineering environment is discussed and elaborated. This approach is particularly beneficial for design optimization of wind and wave converters to be installed at harsh and unfriendly environment for testing physical prototypes.

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Kalla, Subhash, and Christopher David White. "Efficient Design of Reservoir Simulation Studies for Development and Optimization." SPE Reservoir Evaluation & Engineering 10, no. 06 (2007): 629–37. http://dx.doi.org/10.2118/95456-pa.

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Summary Development studies examine geologic, engineering, and economic factors to formulate and optimize production plans. If there are many factors, these studies are prohibitively expensive unless simulation runs are chosen efficiently. Experimental design and response models improve study efficiency and have been widely applied in reservoir engineering. To approximate nonlinear oil and gas reservoir responses, designs must consider factors at more than two levels—not just high and low values. However, multilevel designs require many simulations, especially if many factors are being considered. Partial factorial and mixed designs are more efficient than full factorials, but multilevel partial factorial designs are difficult to formulate. Alternatively, orthogonal arrays (OAs) and nearly-orthogonal arrays (NOAs) provide the required design properties and can handle many factors. These designs span the factor space with fewer runs, can be manipulated easily, and are appropriate for computer experiments. The proposed methods were used to model a gas well with water coning. Eleven geologic factors were varied while optimizing three engineering factors. An NOA was specified with three levels for eight factors and four levels for the remaining six factors. The proposed design required 36 simulations compared to 26,873,856 runs for a full factorial design. Kriged response surfaces are compared to polynomial regression surfaces. Polynomial-response models are used to optimize completion length, tubinghead pressure, and tubing diameter for a partially penetrating well in a gas reservoir with uncertain properties. OAs, Hammersley sequences (HSs), and response models offer a flexible, efficient framework for reservoir simulation studies. Complexity of Reservoir Studies Reservoir studies require integration of geologic properties, drilling and production strategies, and economic parameters. Integration is complex because parameters such as permeability, gas price, and fluid saturations are uncertain. In exploration and production decisions, alternatives such as well placement, artificial lift, and capital investment must be evaluated. Development studies examine these alternatives, as well as geologic, engineering, and economic factors to formulate and optimize production plans (Narayanan et al. 2003). Reservoir studies may require many simulations to evaluate the many factor effects on reservoir performance measures, such as net present value (NPV) and breakthrough time. Despite the exponential growth of computer memory and speed, computing accurate sensitivities and optimizing production performance is still expensive, to the point that it may not be feasible to consider all alternative models. Thus, simulation runs should be chosen as efficiently as possible. Experimental design addresses this problem statistically, and along with response models, it has been applied in engineering science (White et al. 2001; Peng and Gupta 2004; Peake et al. 2005; Sacks et al. 1989a) toMinimize computational costs by choosing a small but statistically representative set of simulation runs for predicting responses (e.g., recovery)Decrease expected error compared with nonoptimal simulation designs (i.e., sets of sample points)Evaluate sensitivity of responses to varying factorsTranslate uncertainty in input factors to uncertainty in predicted performance (i.e., uncertainty analysis)Estimate value of information to focus resources on reducing uncertainty in factors that have the most significant effect on response uncertainty to help optimize engineering factors.

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24

Wu, Bin. "Large-scale computer simulation and systems design of computer-integrated manufacturing." Computer Integrated Manufacturing Systems 3, no. 2 (1990): 100–110. http://dx.doi.org/10.1016/0951-5240(90)90112-r.

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Powell, Graham H., and Rajiv Bhateja. "Data base design for computer-integrated structural engineering." Engineering with Computers 4, no. 3 (1988): 135–43. http://dx.doi.org/10.1007/bf01199295.

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Shaw, J. F. G. "The integration of process simulation and engineering design." Computers & Chemical Engineering 16 (May 1992): S465—S472. http://dx.doi.org/10.1016/s0098-1354(09)80055-0.

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27

An, Dr Min. "Application of Computer Multiple Perspective Modelling and Simulation to Engineering Product Design." i-manager's Journal on Future Engineering and Technology 3, no. 1 (2007): 1–8. http://dx.doi.org/10.26634/jfet.3.1.688.

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Zavalani, Orion. "Computer-based simulation development of a design course project in electrical engineering." Computer Applications in Engineering Education 23, no. 4 (2015): 587–95. http://dx.doi.org/10.1002/cae.21629.

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Wang, Shu Yun, Xiong Gang Xie, and Xi Chen. "Computer Aided Design for Safety Analysis of Excavation in Stratified Rock Tunnel." Applied Mechanics and Materials 71-78 (July 2011): 3197–200. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.3197.

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Stratified rock mass is widely existing in tunnel engineering. The most relevant feature of stratified rocks is the occurrence of very persistent bedding, which makes the rock-mass highly non-isotropic. A number of techniques for designing underground excavations in stratified media have been described in the literature, like theoretical method and laboratory test, which can only be applied in analyzing the problem with simple geometry and costs much expense. Recently, with rapid development of computer technique, numerical simulation methods have been widely applied in engineerin. Among all the numerical simulation methods, fast lagrangian explicit finite difference code of continua (FLAC3D) is widely used to solve practical problems, especially in field of elasto-plastic characteristic, large deformation analysis and construction procedure. So in the present paper, numerical simulation for the failure mode of stratified rock mass after tunnel excavation is done by FLAC3D, which can give further guidance to understand the anisotropic characteristic of stratified rock mass.

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Zhou, Dongyu. "Computer Simulation-Based Designs for Industrial Engineering Experiments." Science Journal of Applied Mathematics and Statistics 6, no. 3 (2018): 74. http://dx.doi.org/10.11648/j.sjams.20180603.12.

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Ivancova, Olga, Vladimir Korenkov, Olga Tyatyushkina, Sergey Ulyanov, and Toshio Fukuda. "Quantum supremacy in end-to-end intelligent IT. PT. III. Quantum software engineering – quantum approximate optimization algorithm on small quantum processors." System Analysis in Science and Education, no. 2 (2020) (June 30, 2020): 115–76. http://dx.doi.org/10.37005/2071-9612-2020-2-115-176.

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Principles and methodologies of quantum algorithmic gate-based design on small quantum computer described. The possibilities of quantum algorithmic gates simulation on classical computers discussed. A new approach to a circuit implementation design of quantum algorithm gates for fast quantum massive parallel computing presented. SW & HW support sophisticated smart toolkit of supercomputing accelerator of quantum algorithm simulation on small quantum programmable computer algorithm gate (that can program in SW to implement arbitrary quantum algorithms by executing any sequence of universal quantum logic gates) described

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Haug, E. J., K. K. Choi, J. G. Kuhl, and J. D. Wargo. "Virtual Prototyping Simulation for Design of Mechanical Systems." Journal of Mechanical Design 117, B (1995): 63–70. http://dx.doi.org/10.1115/1.2836472.

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Developments in simulation technology that enable a qualitatively new virtual prototyping approach to design of mechanical systems are summarized and their integration into an engineering design environment is illustrated. Simulation tools and their enabling technologies are presented in the context of vehicle design, with references to the literature provided. Their implementation for design representation, real-time driver-in-the-loop simulation, dynamic performance simulation, dynamic stress and life prediction, maintainability analysis, design sensitivity analysis, and design optimization is outlined. A testbed comprised of computer aided engineering tools and a design level of fidelity driving simulator that has been developed to demonstrate the feasibility of virtual prototyping simulation for mechanical system design is presented. Two 1994 demonstrations of this capability for vehicle design are presented, to illustrate the state of the technology and to identify challenges that remain in making virtual prototyping simulation an integral part of mechanical system design in US industry.

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Erdei, Réka, Zoltán Bézi, and Csaba Takács. "Computer Aided Design of Ultrasonic Test by Numerical Simulation." Advanced Materials Research 1164 (June 23, 2021): 97–104. http://dx.doi.org/10.4028/www.scientific.net/amr.1164.97.

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Ultrasonic tests of dissimilar metal welds require extremely sophisticated technology. The complexity of the test is caused by the grain orientation and difficult accessibility of the weld and it is therefore necessary to redound the examinations by simulation. This study details some application possibilities of CIVA software and presents an example of the evaluation of the procedure used for the given test method with probability of detection curves.

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Yu, Bin, and Tao Feng. "Simulation and optimization in engineering." SIMULATION 95, no. 9 (2019): 769. http://dx.doi.org/10.1177/0037549719863213.

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Hu, Xiao Ping, and Zhang Ping You. "Computer Simulation Technology Application in Hydraulic System Analysis and Design." Advanced Materials Research 756-759 (September 2013): 4444–47. http://dx.doi.org/10.4028/www.scientific.net/amr.756-759.4444.

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With the development of mechanics and computer technology, computer simulation has become an important tool in the hydraulic system analysis and design. The application of computer simulation technology in hydraulic system is introduced in this paper. A hydraulic servo system was modeled by standard procedures. By simple operation of the software, named MATLAB/Simulink, dynamic characteristics of the hydraulic servo system are simulated. The result of the simulation verifies the validity of the method, which is applied in research.

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ROSENBERG, JAMES J. "Stimulating appropriate uses of simulation in design." Artificial Intelligence for Engineering Design, Analysis and Manufacturing 12, no. 1 (1998): 51–54. http://dx.doi.org/10.1017/s0890060498121066.

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This article addresses the issue of educating undergraduate engineering students in the appropriate use of computer simulation in the design process. The premise that poorly designed assignments involving simulation can actually impair understanding is addressed. A set of goals for simulation-based exercises is suggested, and some tactics for meeting these goals are introduced. Finally, a specific example of a half-term assignment that is used to meet these goals is provided for illustration.

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Macko, Marek, Krzysztof Tyszczuk, Grzegorz Śmigielski, Józef Flizikowski, and Adam Mroziński. "The use of CAD applications in the design of shredders for polymers." MATEC Web of Conferences 157 (2018): 02027. http://dx.doi.org/10.1051/matecconf/201815702027.

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Computer-aided design is now the primary design tool, providing opportunities for improving project quality, allowing for in-depth analysis of the specific features of the solution. In the methodology, computer simulation applications were used. Computer simulation aims to reconstruct the course of the studied process from its mathematical model using a computer and to examine the influence of the environment (input signals) and the internal properties of the object (process parameters) on the characteristics of the object. In designing the shredder, in addition to the selection of structural features, it is also possible to perform strength and kinematic simulations, resulting in a higher quality of the target solution. The results of the simulation work presented in the paper indicate a wide range of possible applications - also in the field of food engineering and processing of polymers - eg shredder mechanisms. Particular attention has been paid to the reduction of energy consumed by the deformation of samples, eg by pre-compaction of sample before introduction to the working area of the shredder. It has been estimated that the gap between the rotating discs should be minimized. Establishing design guidelines has resulted in a number of concept designs.

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MacCleery, Brian, and Nipun Mathur. "Right the First Time." Mechanical Engineering 130, no. 06 (2008): 30–34. http://dx.doi.org/10.1115/1.2008-jun-2.

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This paper discusses development of new tools that can help mechanical engineers avoid common pitfalls in designing complex mechatronic motion control systems. To help facilitate a more integrated design process for electromechanical systems, software developers are partnering with electrical and control design companies to add motion simulation capabilities to computer-aided design (CAD) environments to create a more unified mechatronics workflow. Integrating motion simulation with CAD simplifies design because the simulation uses information that already exists in the CAD model, such as assembly mates, couplings, and material mass properties. Simulations also simplify evaluating engineering trade-offs between different conceptual designs. The paper also highlights that several web-based motor-sizing tools have been designed to help sort through the thousands of choices, and some include motor data from multiple vendors. Using realistic multiaxis motion profiles to drive simulation can provide more accurate torque and velocity requirements, which depend on the acceleration characteristics of your motion profiles and the mass, friction, and gear ratio properties of the transmission.

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Sause, Richard, and Graham H. Powell. "A design process model for computer integrated structural engineering." Engineering with Computers 6, no. 3 (1990): 129–43. http://dx.doi.org/10.1007/bf01200311.

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PARMEE, I. C., and IAN F. C. SMITH. "Special Issue: Human–computer interaction in engineering contexts." Artificial Intelligence for Engineering Design, Analysis and Manufacturing 16, no. 3 (2002): 125–26. http://dx.doi.org/10.1017/s0890060402163013.

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Although the human–computer interaction (HCI) community has been active for several years, very little attention has been devoted to supporting engineers. Engineers are unique computer users with particular needs. They are familiar with fields such as applied mathematics, applied sciences, simulation, project management, technical drawing, and design, as well as engineering law and economics. The nature of the engineering design process means that engineers usually operate within changing environments. Uncertainty relating to incomplete information adds to the complexity of the process especially since the engineer is legally responsible for decisions.

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Petcharawan, Supakanya, Nuttaphong Sornsuwit, and Wanlop Harnnarongchai. "Computer-Aided Design and Engineering for M16 Handguard Manufacturing." Key Engineering Materials 728 (January 2017): 422–27. http://dx.doi.org/10.4028/www.scientific.net/kem.728.422.

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This work presents a computer-aided design and engineering CAD/CAE for design and optimization of M16 handguard manufacturing. A new design of handguard was developed in term of various combinations of supporting ribs inside the component. Finite Element Analysis (FEA) was used to simulate the stress distribution as well as the evaluation of supporting ribs in the component. The injection molding was used for production of the hand guard; therefore, the CAE was used to simulate the effect of gate location and gate type on the weld lines. The excessive-flash technique, which extends the fill time and continues the melt lines to flow after the melt recombination, has been introduced in order to reduce the weld lines. The simulation results indicated that the stress concentration in the loading and vent holes regions had the potential to cause the handguard to fracture. However, the combinations of vertical and horizontal ribs can reduce the stress concentration in the component. The weld lines located near the vent hole, in which the melt fronts came in contact with each other. The type and location of gates did not affect the weld line while the weld lines were observed to be strongly influenced by the excessive flash.

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Druesne, F., and M. Afzali. "Electroplating simulation and design tool." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 217, no. 5 (2003): 705–7. http://dx.doi.org/10.1243/095440503322011434.

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Electroplating process energy and material costs are very important considerations in product manufacturing. The most important plating criteria, however, are quality and plated uniformity of the deposited metals. Simulation tools can help to obtain better plating results. New plating simulation tools are now available that will run on PC/Windows computers and can point the way to optimizing many common electroplating processes. Software packages are available that are versatile and user friendly. These tools have been designed to optimize electroplating cells and racks. An accurate analysis is required to determine the distribution of deposited thickness, current densities and electrode potentials. A good plating simulation tool can help an engineering team find the most reliable rack configuration based on the geometrical description of the rack, the parts to be plated and from calculation of the electrochemical properties of the process being studied.

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Liu, Mao Fu, Xiong Hua Guo, and Hui Xian Han. "A Design-Analysis and Simulation Approach of Ball-End Cutter Based on OpenGL." Advanced Materials Research 139-141 (October 2010): 1281–84. http://dx.doi.org/10.4028/www.scientific.net/amr.139-141.1281.

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A design-analysis and simulation approach of complex ball-end cutter was proposed by using computer graphics and OpenGL control in this paper. The mathematical models of rake face and flank face of a complex ball-end cutter were built as the simulation condition. A computer-aided design and simulation processing system of complex tool was presented through pre-modeling OpenGL control. Some 3D simulation models of complex ball-end cutter including spiral cylinder, ball-head (including rake face, chip groove, first flank face and second flank face) and grinding wheel were created respectively. According to mathematical models and VC++ software platform, transformation and machining animation simulations of ball-end cutter were designed and realized visually using OpenGL control interface technique. The results of Three-dimensional design and simulation will offer sufficient theory foundation for virtually manufacturing ball-end cutter.

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Antoniades, N., A. Boskovic, I. Tomkos, et al. "Performance engineering and topological design of metro WDM optical networks using computer simulation." IEEE Journal on Selected Areas in Communications 20, no. 1 (2002): 149–65. http://dx.doi.org/10.1109/49.974669.

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Bai, Lei. "Design and Research of Electronics Factory Evacuation Based on Computer Simulation Technology." Applied Mechanics and Materials 444-445 (October 2013): 1545–49. http://dx.doi.org/10.4028/www.scientific.net/amm.444-445.1545.

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Along with the development of economy, a growing of large electronics workshop projects and the increasing of workshop area, the difficulties of evacuation design in engineering design is increasingly protruding. Due to large cubic construction and the complexity of building function, the evacuation problems in fire protection design is difficult to solve when using existing national specifications. By using the method of performance-based fire protection design in electronic workshop personnel evacuation design, and using computer simulation technology to demonstrate its security, we can find the solution to similar engineering problems.

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Sause, Richard, and Graham H. Powell. "A design process model for computer integrated structural engineering: Design phases and tasks." Engineering with Computers 7, no. 3 (1991): 145–60. http://dx.doi.org/10.1007/bf01206404.

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Tsang, Chit-Sang. "A design of expert system architecture for communications engineering simulation." SIMULATION 56, no. 3 (1991): 197–202. http://dx.doi.org/10.1177/003754979105600309.

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Barton, Russell R., and Lee W. Schruben. "A New Graduate Course: Using Simulation Models for Engineering Design." SIMULATION 64, no. 3 (1995): 145–53. http://dx.doi.org/10.1177/003754979506400302.

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Haug, E. J., K. K. Choi, J. G. Kuhl, and J. D. Wargo. "Virtual Prototyping Simulation for Design of Mechanical Systems." Journal of Vibration and Acoustics 117, B (1995): 63–70. http://dx.doi.org/10.1115/1.2838678.

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Developments in simulation technology that enable a qualitatively new virtual prototyping approach to design of mechanical systems are summarized and their integration into an engineering design environment is illustrated. Simulation tools and their enabling technologies are presented in the context of vehicle design, with references to the literature provided. Their implementation for design representation, real-time driver-in-the-loop simulation, dynamic performance simulation, dynamic stress and life prediction, maintainability analysis, design sensitivity analysis, and design optimization is outlined. A testbed comprised of computer aided engineering tools and a design level of fidelity driving simulator that has been developed to demonstrate the feasibility of virtual prototyping simulation for mechanical system design is presented. Two 1994 demonstrations of this capability for vehicle design are presented, to illustrate the state of the technology and to identify challenges that remain in making virtual prototyping simulation an integral part of mechanical system design in US industry.

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Popov, Vladimir, and Tatjana Grigorjeva. "INTEGRATED COMPUTER – AIDED DESIGN OF BUILDING STRUCTURES." Engineering Structures and Technologies 2, no. 1 (2010): 31–37. http://dx.doi.org/10.3846/skt.2010.04.

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With the growth of information technologies in the field of computer-aided design, the concept of CAD acquires new meaning and changes the contents. More and more a new definitions, i.e. Building Information Modeling - BIM, Fabrication Information Modeling - FIM, Integrated Structural Modeling - ISM, Building Lifecycle Management - PLM and others are encountered, the concept of which may be described as way to develop the strategy of building project design, construction, and maintenance management based on the computer aided modeling and simulation technologies. Examine BIM application in building design process it can be assumed that of object modeling and simulation technique comprises a full range of actions starting from the development of virtual model of the project under consideration, describing all physical parameters characteristic of a real structure, defining the conditions of its position. Then analysis of model behavior under real maintenance conditions is performed: effects of different character are described and the results obtained are analyzed. The results received by next step are presented in common technical documentation form: general arrangement and erection drawings are generated, final detailing of connections and structural elements in the form of shop drawing or NC code is performed, bill of materials, cut lists, various reports, specifications and estimates are composed. During the last five years there is strong request from the market for the state-of-the-art computer-aided design applications developed to meet the needs and requirements of the Architectural, Engineering, and Construction as well as Plant, Process, and Power industries, for high performance, flexible and versatile tools with extended graphics integration to simulation and analysis systems within a user-friendly design environment that allows the close emulation of natural design phases and workflow to which structural are accustomed. This could became possible due to the innovative development of ‘new generation’ structural software application capable to maintain an intelligent and true 3D real-world simulated structure containing all the information required for the general and detailed design, fabrication and construction of engineering structures, enabling designers to operate intuitively in the adaptive high-performance real-time visual modeling environment while simultaneously achieving high-quality results by applying powerful simulation, analysis and optimization methods which would guarantee a rational and effective choice of the constructive decision. It has to be flexible to enable external best of breed vertical market products to be linked to the application and hence creating an open design environment; this enables members of a workgroup to collaborate effectively, performing the multiple tasks associated with construction design.

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