Journal articles: 'Conceptual Stage of Design'

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OMURA, Masaru. "3204 Design Education at Conceptual Design Stage." Proceedings of Design & Systems Conference 2001.11 (2001): 296–97. http://dx.doi.org/10.1299/jsmedsd.2001.11.296.

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Zou, Jun Yan. "The Conceptual Design of Table Jaw Based on Functional Principle Design." Advanced Materials Research 605-607 (December 2012): 371–75. http://dx.doi.org/10.4028/www.scientific.net/amr.605-607.371.

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Mechanical product’s design can be divided into four stages that is task clarification, conceptual design, practical design and detailed design. The conceptual design is the most important and innovative stage of the four design stages. This paper deals with functional analysis and solutions of a table jaw and its conceptual design based on the theory of functional principle design. An innovative design method of a mechanical product is also discussed by means of functional principle design.

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Desai, Sumit, Shankar Mantha, and Vikas Phalle. "TRIZ and AHP in Early Design Stage of a Novel Reconfigurable Wheelchair." Journal of Mechanical Engineering 16, no. 3 (December 31, 2019): 123–41. http://dx.doi.org/10.24191/jmeche.v16i3.15352.

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The Reconfigurable wheelchair incorporated with sit-to-stand and sit-to-sleep capabilities is the technological solution for extensive wheelchair users to promote their quality of life (QoL), safety and comfort. This paper presents the conceptual design of a reconfigurable wheelchair using the TRIZ and AHP integrated approach. The objective of this study was to develop optimal conceptual designs of a reconfigurable wheelchair by overcoming identified design conflicts. The TRIZ contradiction toolkit was employed in the early conceptual design phase. Based on the TRIZ inventive principles and developed design strategy, new reconfigurable wheelchair mechanism was modelled in SolidWorks environment, using a top-down modelling approach. Dimensions of a wheelchair were kept within the dimensions of a standard wheelchair. The newly modelled mechanism was refined using motion simulation capabilities of the SolidWorks software. The new mechanism was further integrated with different wheelchair design features by means of the morphological chart in order to get innovative conceptual designs. Further, Analytical Hierarchy Process (AHP) was utilized as a multi-criteria decision making technique for optimal conceptual design selection. Conceptual design-I (joystick controller with electric drive) received highest weight among all conceptual designs, hence selected as the optimal conceptual design. Consistency ratio (CR) for the pair-wise comparisons made throughout the AHP method was found less than 0.10. All AHP calculations were supported by Microsoft Excel Add-in for multi-criteria decision problems. For the purpose of functionality testing of newly modelled wheelchair, 3D printed wheelchair parts have been fabricated (using ABS material) and tested for desired mechanical movements. The methodology implemented in the present work can be utilized for upcoming applications in design of new assistive devices.

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Chen, Xiao Chuan, Xiao Xia Lai, and John K. Gershenson. "Relative Design Cost Estimation at Design Stage Based on Design Features." Applied Mechanics and Materials 26-28 (June 2010): 625–36. http://dx.doi.org/10.4028/www.scientific.net/amm.26-28.625.

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With the global financial crisis happened, companies and investors pay more attention to development expense. Development costs mainly include design cost at the design stage. We analyze the design process and extract many design factors in order to estimate design cost at the conceptual and embodiment design stage. A number of process-based design features that impact the design cost are considered. These design factors include: 1) the number of performances and constraints, 2) sub-functions level and relationships, and 3) solutions at the conceptual design stage. At the embodiment of the design stage the design factors include: 1) the number of parts and their relationships, 2) the types of materials, 3) load resources, and 4) the number and types of tolerances. We use relative cost to estimate design cost by comparing the number of design factors among designs. To demonstrate the relative design cost estimation in practice, Kodak single-use cameras are used as example products. Use of these methods proves beneficial in estimate design cost in the design process.

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Cui, Yu Lian, and Wei Wu. "A Review of Reliability Principles in Conceptual Design." Advanced Materials Research 199-200 (February 2011): 583–86. http://dx.doi.org/10.4028/www.scientific.net/amr.199-200.583.

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In this paper an attempt has been made to identify certain useful parts that will assist to consider reliability during conceptual design phase. The aim is to provide some thoughts and a toolkit for addressing reliability during the early stages of design, influencing design decisions and product reliability, and reducing the relying on the reliability prediction and expensive experiments in later design stage. Therefore high reliability can be cost-effectively achieved.

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Lee, Kyung-Jae, Sang-Hun Kang, Soo-Seok Yang, and Chul Park. "Conceptual Design Study of Two-Stage Hypersonic Scramjet Vehicle." Journal of the Korean Society of Propulsion Engineers 16, no. 1 (February 1, 2012): 16–24. http://dx.doi.org/10.6108/kspe.2012.16.1.016.

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Sayli, Ayla, Ahmet Dursun Alkan, Radoslav Nabergoj, and Ayse Oncu Uysal. "Seakeeping assessment of fishing vessels in conceptual design stage." Ocean Engineering 34, no. 5-6 (April 2007): 724–38. http://dx.doi.org/10.1016/j.oceaneng.2006.05.003.

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Houseman, Oliver, Rajkumar Roy, Charles Wainwright, and Evaggelos Lavdas. "Cost optimising aircraft systems at a conceptual design stage." International Journal of Manufacturing Technology and Management 15, no. 3/4 (2008): 328. http://dx.doi.org/10.1504/ijmtm.2008.020174.

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Bardenhagen, Andreas, and Dmitry Rakov. "ADVANCED MORPHOLOGICAL APPROACH IN AEROSPACE DESIGN DURING CONCEPTUAL STAGE." Facta Universitatis, Series: Mechanical Engineering 17, no. 3 (November 29, 2019): 321. http://dx.doi.org/10.22190/fume180110005b.

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This paper presents an advanced morphological approach supporting designers and developers in their search for as well as synthesis and analysis of new engineering solutions during the conceptual design stage. The proposed method is based on the cluster analysis and the set theory, the set of rules and engineering implementations maximizing the gain of the products potential. The number of possible combinations using the standard morphological technology is extremely large. We present a mathematical framework that handles this problem. The method was evaluated with case studies of new engineering solutions in aerospace, ecology and adaptive soundproofing system. The case studies verified the significant potential of the proposed approach in comparison with the methods presently in use.

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Lou, Xi Yin. "Research on Conceptual Design of Green Electromechanical Products." Advanced Materials Research 904 (March 2014): 414–16. http://dx.doi.org/10.4028/www.scientific.net/amr.904.414.

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The concept design of green products is according to the various phases of the product life cycle, product function to create and functional decomposition, to meet the principle of solving functional requirements and Realization of the idea and the system design principle of vector scheme of function structure. The conceptual design process is a process of divergent thinking and innovative design, the optimal process plan. Therefore, the conceptual design stage is a very innovative design stage, is also the green design is the most important stage.

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CHEN, J. L., and C. R. LEE. "Qualitative Programming Method for Qualitative Design Evaluation in the Conceptual Design Stage." Journal of Engineering Design 4, no. 3 (January 1993): 213–20. http://dx.doi.org/10.1080/09544829308914783.

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Liu, Wei, Runhua Tan, Guozhong Cao, Zhengyan Zhang, Siyuan Huang, and Limeng Liu. "A proposed radicality evaluation method for design ideas at conceptual design stage." Computers & Industrial Engineering 132 (June 2019): 141–52. http://dx.doi.org/10.1016/j.cie.2019.04.027.

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Arnout, S., G. Lombaert, G. Degrande, and G. De Roeck. "The optimal design of a barrel vault in the conceptual design stage." Computers & Structures 92-93 (February 2012): 308–16. http://dx.doi.org/10.1016/j.compstruc.2011.10.013.

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Tseng, Kevin C., Hassan Abdalla, and Esam M. Shehab. "A Web-based integrated design system: its applications on conceptual design stage." International Journal of Advanced Manufacturing Technology 35, no. 9-10 (November 22, 2006): 1028–40. http://dx.doi.org/10.1007/s00170-006-0788-8.

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Yu, Zhangyong, Keiichi Nakamoto, Tohru Ishida, and Yoshimi Takeuchi. "Interactive Design-Assistance System of Machine Tool Structure in Conceptual and Fundamental Design Stage." International Journal of Automation Technology 4, no. 3 (May 5, 2010): 303–11. http://dx.doi.org/10.20965/ijat.2010.p0303.

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This paper presents the development of an interactive design-assistance system for quickly determining a machine tool structure in conceptual and fundamental design stage. The distinguishing point in this system is that all components of one machine tool structure are approximated into conceptual beams. Therefore, by using the interactive design-assistance system, designers can decide a beam structure in a short time because classical beam theory makes it easy to analyze the static, dynamic and thermal stiffness. Converting the beam structure to an actual structure, designers can complete the conceptual and fundamental design of a machine tool structure. Consequently, the interactive design-assistance system enables designers to complete structural design of a machine tool in a shorter time with higher efficiency.

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Alkhatib, F. H., N. Kasim, W. I. Goh, and A. H. H. Al-masoodi. "Performance-Driven Evaluation and Parametrical Design Approach for Sustainable Complex-Tall Building Design at Conceptual Stage." IOP Conference Series: Earth and Environmental Science 1022, no. 1 (May 1, 2022): 012047. http://dx.doi.org/10.1088/1755-1315/1022/1/012047.

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Abstract Tall buildings with irregular forms are gaining popularity in creating the vertical city model, and they are designed and built today with the help of computational technologies. This paper aims to highlight the significant link between the architectural and structural conceptual design of tall buildings with irregular geometries by using performance-driven evaluation and parametric design approach at conceptual stage to develop a sustainable design. Initially the review of previous research shows how the form of tall building is be defined. Furthermore, the parametric design approach is investigated for generating alternative options to satisfy building aesthetic and structural performance criteria with the aid of aerodynamic optimization technicque to generate an optimum solution for decision-making at an early stage, as well as allowing modifications in the later stages of design, and making it possible to handle the design process in a repetitive manner. Finally, a framework is proposed where computational techniques are integrated and an effective collaboration between professional designers is achieved in order to produce an optimal complex-tall building conceptual design that is architecturally pleasing, structurally efficient, and environmentally sustainable.

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Elazouni, Ashraf M., Ibrahim A. Nosair, Yousif A. Mohieldin, and Ayman G. Mohamed. "Estimating Resource Requirements at Conceptual Design Stage Using Neural Networks." Journal of Computing in Civil Engineering 11, no. 4 (October 1997): 217–23. http://dx.doi.org/10.1061/(asce)0887-3801(1997)11:4(217).

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Fantini, P., L. K. Balachandran, and M. D. Guenov. "Computational system for multi disciplinary optimization at conceptual design stage." International Journal for Simulation and Multidisciplinary Design Optimization 2, no. 3 (July 2008): 177–85. http://dx.doi.org/10.1051/ijsmdo:2008024.

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Groemping, Matthias, Ramona-M. Dragomir, and Megan Jobson. "Conceptual design of reactive distillation columns using stage composition lines." Chemical Engineering and Processing: Process Intensification 43, no. 3 (March 2004): 369–82. http://dx.doi.org/10.1016/s0255-2701(03)00118-1.

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Sacramento-Rivero, Julio C., Freddy Navarro-Pineda, and Luis E. Vilchiz-Bravo. "Evaluating the sustainability of biorefineries at the conceptual design stage." Chemical Engineering Research and Design 107 (March 2016): 167–80. http://dx.doi.org/10.1016/j.cherd.2015.10.017.

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Lababidi, H. M. S., I. M. Alatiqi, and R. Bañares Alcántara. "Application of controllability analysis tools during the conceptual design stage." Computers & Chemical Engineering 20 (January 1996): S207—S212. http://dx.doi.org/10.1016/0098-1354(96)00045-2.

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Gupta, Shashank, Srinivas Kota, and Rajesh P. Mishra. "Modeling and evaluation of product quality at conceptual design stage." International Journal of System Assurance Engineering and Management 7, S1 (May 1, 2015): 163–77. http://dx.doi.org/10.1007/s13198-015-0357-3.

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Eilouti, Buthayna. "A framework for managing conceptual design process." Art, Design & Communication in Higher Education 20, no. 2 (October 1, 2021): 223–42. http://dx.doi.org/10.1386/adch_00040_1.

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Addressing the conceptual design stage as a significant part of design management, this article introduces a framework for concept generation and development in architectural design. Evolving throughout eleven years of experimentation, the framework is formulated as a graphical template to plot eight methods of concept generation, and multiple figurative and operative models for concept transformation and development. The framework is intended to be flexible and supportive of iterative cycling, while also offering an explicit, structured and systemized approach to broaden the solution scope and enhance creativity in the proposed alternatives. Developing language-based structures, the research addresses knowledge management in the initial stages of designing using interdisciplinary knowledge mapping. The research comprises a research-through-design methodology for framework development, and questionnaire surveys for its testing. The findings indicate that the framework helps designers initiate their designing process, guide them throughout the process, and generate a wide variety of creative concepts. Furthermore, the findings demonstrate that the analogy-based method is the most common one in shaping the final design products. Despite its contribution, the framework was criticized for generating too many alternatives that consume time and make decisions more difficult to make.

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KANAZAKI, Masahiro, Fumio KANAMORI, Yosuke KITAGAWA, Masaki NAKAMIYA, Koki KITAGAWA, and Toru SHIMADA. "Conceptual design: Dependence of parameterization on design performance of three-stage hybrid rocket." Journal of Fluid Science and Technology 9, no. 5 (2014): JFST0071. http://dx.doi.org/10.1299/jfst.2014jfst0071.

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Jin, Dafeng, Jin Chen, and Weiwei Qiao. "Three-phase optimisation design of an electric car body at conceptual design stage." International Journal of Vehicle Design 57, no. 2/3 (2011): 196. http://dx.doi.org/10.1504/ijvd.2011.044721.

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Rusevych, Tetiana, and Olha Severina. "CONCEPTUAL DESIGN. STAGES OF FORMATION." Architectural Bulletin of KNUCA, no. 22-23 (December 12, 2021): 220–30. http://dx.doi.org/10.32347/2519-8661.2021.22-23.220-230.

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Conceptual design is the most creative part of architectural activity. In the professional work of architects, conceptual design is given great importance. Various architectural and design forums, exhibitions, competitions are dedicated to him. In Soviet times, an interesting example of the formation of conceptual solutions is the work of Alexander Brodsky and Ilya Utkin (who signed their works as a tandem of "Brutus"). We have other solutions of interesting concepts - the object of the competition "The World of El Lysytsky" - the Globe Theater in Novosibirsk. Here the authors start from the main idea - that the cube is the main form that characterizes the spirit and style of the Russian avant-garde of the twentieth century. Conceptual design ideas are implemented in the construction of unusual hotels, atypical urban environment, non-traditional building materials. All this allows you to think about life according to other rules. Than those prescribed in building codes. The world around us is more interesting and diverse, so we can, in part, paint it in bright colors.

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Kokorina, E. V. "SPACE OF CONCEPTUAL CREATIVITY BASED ON ARCHITECTURAL DESIGN." Russian Journal of Building Construction and Architecture, no. 1(53) (February 21, 2022): 80–90. http://dx.doi.org/10.36622/vstu.2022.53.1.008.

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Statement of the problem. The concept of "conceptual creativity space" lying at the heart of architectural design is examined, which combines important theoretical components for variant development and the formation of the main idea of a project.Results.Within the framework of the theoretical and methodological foundations of the process of architectural design, the model "Energy Frame of Design Creativity" is presented. For the creative development of the artistic and emotional component of the idea at the stage of creative search, the model "Space of conceptual creativity" is set forth.Conclusions. The article looks at the theoretical aspects necessary for the integrated development of the architectural idea of a project at the stage of creative search for use in educational architectural design.

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Kusiak, A., and E. Szczerbicki. "A Formal Approach to Specifications in Conceptual Design." Journal of Mechanical Design 114, no. 4 (December 1, 1992): 659–66. http://dx.doi.org/10.1115/1.2917057.

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In this paper, a methodology for the specification stage in conceptual design is presented. The specification stage provides requirements and transforms them into functions of the designed object. It occurs at the highest level of abstraction and it must provide enough information for the synthesis process where functions are transformed into design components that are further synthesized into the designed object. The proposed approach includes the following issues: specification of requirements, specification of functions, incorporation of logic into functional and requirement trees, representation of requirements-functions interaction, and optimization in the functional space. The methodology presented is illustrated with examples. Key words: design requirements, design specifications, conceptual design, design process, artificial intelligence, formal method

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Engida, Woldemichael Dereje, Fakhruldin Mohd Hashim, and Sujan Debnath. "A Knowledge-Based Conceptual Design Support System." Advanced Materials Research 308-310 (August 2011): 1540–45. http://dx.doi.org/10.4028/www.scientific.net/amr.308-310.1540.

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Conceptual design process is considered as the most critical and important phase of product design process. It is the stage where product’s fundamental features are determined, large proportion of the lifecycle cost of the product is committed, and other major decisions are made, which have significant impact on the downstream design and related manufacturing processes. It is also a knowledge intensive process where diverse knowledge and several years of experience are put together to design quality and cost effective products. Unfortunately, computer support systems for this phase are lagging behind compared to the currently available commercial computer aided design (CAD) tools for the later stage of design. This paper proposes a knowledge-based conceptual design support system in which design concepts from existing products and previous experiences are captured and used to design future products. The conceptual design support system will assist designers during the conceptual design process by generating concepts on a morphology chart and handling some of the repetitive tasks. In addition, the generated concepts may inspire designers to generate new concepts. The design support system addresses the key features of conceptual design process such as functional analysis, concept generation and concept evaluation with aid of the production rules within the knowledge-based system.

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Zhang, Jian Hua. "The Database Design and Optimization." Advanced Materials Research 912-914 (April 2014): 1436–39. http://dx.doi.org/10.4028/www.scientific.net/amr.912-914.1436.

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Database technology is one of the fastest growing areas of computer science, is also one of the most widely used technology, it has become the core of the computer information system and application system technology and the important basis. In this paper, we discuss all the important aspects of database design process, including requirements analysis phase; The conceptual design stage; The logical design phase; The physical design phase; Database implementation stage; Database operation maintenance phase six stages, and puts forward various problems occurred in the database design, and a variety of ways to solve these problems were analyzed.

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Shi, Weifang, Alice Chang-Richards, and Brian H. W. Guo. "A conceptual framework for including “safety in design” in engineering training and design practise." IOP Conference Series: Earth and Environmental Science 1101, no. 8 (November 1, 2022): 082023. http://dx.doi.org/10.1088/1755-1315/1101/8/082023.

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Abstract Despite significant efforts taken to reduce hazards on the construction site, statistics across the globe suggest that construction-related fatalities remain high. While prevention through design gains momentum to eliminate latent health & safety hazards at the upfront design stage, designers often lack experience in recognising hazards that occur later on during the construction or operational stage. To fill this gap, this paper develops a conceptual framework to better communicate safety in design (SiD) to designers, thus raising their awareness of SiD and building their capability when considering appropriate design features. The conceptual framework embrace visualization, knowledge sharing, highly engagement and embedded-in questionnaire technologies. This research is part of a doctoral study, and it is hoped to lay a conceptual foundation for ongoing research that aims to enable designers to embrace SiD in their training and practice in the future.

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Yan, Xiaoli, and Young-Chan Kim. "A conceptual framework of ITSMCA for a building collapse accident." Engineering, Construction and Architectural Management 25, no. 6 (July 16, 2018): 721–37. http://dx.doi.org/10.1108/ecam-11-2016-0245.

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Purpose The purpose of this paper is to timely control of a construction collapse accident effectively during its development process by constructing a stage model and then aligning IT with each stage to help provide the information for decision making. Design/methodology/approach Through comprehensive literature review, this paper first identifies the various IT applications in on-site construction monitoring and analyzes the existed disaster/crisis stage models, also the stage models are compared with the causation models to illustrate the strengths. Then, a three-step methodology was conducted to develop and apply the conceptual framework, including the construction of the four-stage model; the establishment of the conceptual framework of information technology (IT) support for management of construction accidents (ITSMCA); and a building collapse accident used to illustrate the proposed framework. Findings The accident is divided into four stages, which are incubation stage, outbreak stage, spreading stage and final stage. The real-time staged information to support decision making, such as the contributing factors of on-site workers, materials, equipment and workplace, can be provided by emerging IT. Therefore, IT is aligned with the variations of contributing factors’ attributes in the four stages and ITSMCA is constructed to help accidents management. Research limitations/implications The focus of the framework presented in this paper is that the stage model is effective for it catches the variations of the attributes whose values can be provided by IT rather than research on the practical application of the IT system. The construction and application of the IT system will be the research focus in the future. Originality/value This paper presents a stage model of a building collapse accident and gives a comprehensive conceptual framework of ITSMCA, which align the IT with different stages of the collapse accident. The ITSMCA proposes a feasible ideology and practical method for real-time management of the collapse accident during the process.

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Zanoni, Andrea, Giacomo Gerosa, Luigi Di Lallo, and Pierangelo Masarati. "Handling Qualities in Rotorcraft Conceptual Design." Aerotecnica Missili & Spazio 101, no. 1 (February 3, 2022): 95–108. http://dx.doi.org/10.1007/s42496-022-00107-8.

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AbstractThis paper presents the development of a rotorcraft conceptual design tool able to incorporate handling qualities assessment at an early design stage. After a first conventional sizing, performed utilizing NASA’s NDARC software, a linearized model of the rotorcraft flight mechanics is built. The linear model is augmented by a simplified control system, designed according to structured $$H_{\infty }$$ H ∞ techniques, to determine augmentation requirements, rather than design the actual flight control system. ADS-33 Bandwidth and Phase-Delay standards are exploited to objectively assess the handling qualities of the current design and to drive an iterative redesign process aimed at enhancing the handling qualities ratings. The rotorcraft parameters resulting from the augmented sizing are subsequently used to automatically generate a real-time capable multibody model, which can be used for the subjective evaluation of its handling qualities via piloted flight simulation. The tool capabilities are demonstrated by designing a conventional lightweight helicopter of the class of the Airbus Helicopters BO105.

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Yuan and Xing. "A Systematic Study on Design Initiation of Conceptual 3DPVS." Biomimetics 4, no. 2 (April 11, 2019): 31. http://dx.doi.org/10.3390/biomimetics4020031.

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An important product in biomedical and biomimetic engineering is the 3D scaffold, which mimics the real tissue in vitro to achieve the external cultivation of cells. The difference between the 3D scaffold and other biomimetic products lies in the fact that the former mimics the internal features of tissue, while the latter generally approximates the external traits of biological beings. In the field of scaffold engineering, the 3D printed vibratory scaffold, 3DPVS, has been proposed as a present-to-future novel scaffold product, and it currently stays at the stage of conceptual development. To achieve the novel design of the conceptual 3DPVS, a conceptual design process has been established by authors in their previous work, which contain three main stages, namely the design initiation, concept generation, and concept evaluation. In terms of design initiation, it is a ‘must-accomplish’ stage which generates outputs for both the subsequent concept generation and evaluation. Work of design initiation therefore is of significant value and it consists of several tasks; that is, conducting a thorough literature review, summarizing the fundamental issues preparing the general conceptual design, studying the multi-characterization of the 3DPVS, putting forward the potential base model(s), as well as indicating the ideality of the scaffold and establishing potential ideal model(s) for the 3DPVS. In this paper, design initiation will be chiefly focused upon these essential aspects to be discussed, work of which is expected to be useful in establishing a solid ground for future innovation work of the 3DPVS.

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Amsil, H., A. Jalil, K. Embarch, H. Bounouira, A. Didi, K. Laraki, H. Marah, and A. Chetaine. "Conceptual implementation stages for Moroccan PGAA/NI instruments: STAGE I & II." Journal of Neutron Research 22, no. 4 (December 16, 2020): 403–15. http://dx.doi.org/10.3233/jnr-200171.

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The first installation around the tangential beam tube of the Moroccan TRIGA Mark II research reactor comprises combined instruments for Prompt Gamma Neutron Activation Analysis (PGAA) and Neutron Imaging (NI). The implementation of this project is divided over three main stages, namely the installation of the collimator and the primary beam shutter, which is a common section for introduction inside the reactor; the PGAA instruments’ installation; and finally, the installation of the PGNAA/NI combined instruments. The entire design was planned for this project, and detailed information about the first and the second stage is described in this work.

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Setiadipura, T., W. Luthfi, S. Bakhri, Suwoto, Zuhair, Z. Li, and Y. Sun. "Optimization of PeLUIt-150 Conceptual Design." Journal of Physics: Conference Series 2048, no. 1 (October 1, 2021): 012027. http://dx.doi.org/10.1088/1742-6596/2048/1/012027.

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Abstract A 150MWt pebble bed high temperature reactor, called PeLUIt-150, is proposed as a solution for distributed energy demand including the electricity and various co-generation potentials. In current study an optimization of the design is performed. The optimization includes its optimum power density to have a compact core design including the height-to-diameter (H/d) ratio. As several computer codes is used in this study, PEBBED-THERMIX codes, comparison of results from different code is also discussed. Constrain of the design at current stage are the maximum fuel temperature under depressurized loss of forced cooling (DLOFC) accident which represent the passive performance of the core, and discharge burnup which represent the fuel utilization performance of the core. Current study achieves an optimized design with core diameter and height of 260 cm and 601.11cm, a total active core volume of 31.9 m3. The average power density is 4.7W/c m3 with discharge burnup of 80.82MWd/Kg and the maximum fuel temperature after DLOFC is 1619.9°C.

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Orgeira-Crespo, Pedro, Guillermo Rey, Carlos Ulloa, Uxia Garcia-Luis, Pablo Rouco, and Fernando Aguado-Agelet. "Optimization of the Conceptual Design of a Multistage Rocket Launcher." Aerospace 9, no. 6 (May 25, 2022): 286. http://dx.doi.org/10.3390/aerospace9060286.

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The design of a vehicle launch comprises many factors, including the optimization of the climb path and the distribution of the mass in stages. The optimization process has been addressed historically from different points of view, using proprietary software solutions to obtain an ideal mass distribution among stages. In this research, we propose software for the separate optimization of the trajectory of a launch rocket, maximizing the payload weight and the global design, while varying the power plant selection. The launch is mathematically modeled considering its propulsive, gravitational, and aerodynamical aspects. The ascent trajectory is optimized by discretizing the trajectory using structural and physical constraints, and the design accounts for the mass and power plant of each stage. The optimization algorithm is checked against various real rockets and other modeling algorithms, obtaining differences of up to 9%.

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Li, Pei Gang, Xian Ying Feng, and Ya Qing Song. "Study on Modeling of Growth Conceptual Design." Applied Mechanics and Materials 44-47 (December 2010): 1883–88. http://dx.doi.org/10.4028/www.scientific.net/amm.44-47.1883.

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Based on decomposition and reconstruction principle, by analyzing the limit essence of rigid body in generalized coordinate system, the paper proposes growth conceptual design model from function to structure. It applies the mechanism of biological growth into conceptual design of products, realizes the stable mapping from function to structure, and also solves the issues of multi-solutions, uncertainty, etc, existing in the mapping process from function to structure of mechanical products in conceptual design stage. Establish the product knowledge model supporting product conceptual design, use the Case-Based reasoning (CBR) technology into entities match and verify it by case, which provides a new idea for the conceptual design of computer aided product.

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CHIBA, Kazuhisa, Shin'ya WATANABE, Masahiro KANAZAKI, Koki KITAGAWA, and Toru SHIMADA. "Conceptual design of single-stage launch vehicle with hybrid rocket engine using design informatics." Transactions of the JSME (in Japanese) 80, no. 818 (2014): TRANS0287. http://dx.doi.org/10.1299/transjsme.2014trans0287.

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Šajbanová, Kristína, Jozef Čerňan, Filip Škultéty, and Ján Rostáš. "Conceptual Design of the Axial Compressor Stage with Counter-Rotating Rotors." Transportation Research Procedia 59 (2021): 144–53. http://dx.doi.org/10.1016/j.trpro.2021.11.106.

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Martinelli, Irene, Claudio Favi, Federico Campi, Giulio Marcello Lo Presti, and Michele Germani. "Gas turbine cost and value management in the conceptual design stage." International Journal on Interactive Design and Manufacturing (IJIDeM) 16, no. 1 (January 10, 2022): 389–407. http://dx.doi.org/10.1007/s12008-021-00823-8.

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Mustafa, Janan, and John Lee. "Dialogical Reinterpretation and the Productivity of the Conceptual Stage of Design." International Journal of Visual Design 7, no. 1 (2014): 31–42. http://dx.doi.org/10.18848/2325-1581/cgp/v07i01/38733.

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Yi, Ingeun, and Sung-Ah Kim. "Interaction between BIM Model and Physical Model During Conceptual Design Stage." Journal of Korea Information and Communications Society 38C, no. 4 (April 30, 2013): 344–50. http://dx.doi.org/10.7840/kics.2013.38c.4.344.

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Yohanis, Y. G., and B. Norton. "Including embodied energy considerations at the conceptual stage of building design." Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 220, no. 3 (April 12, 2006): 271–88. http://dx.doi.org/10.1243/095765006x76009.

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Park, Peter, Matthew Gilbert, Andy Tyas, and Olga Popovic-Larsen. "Potential Use of Structural Layout Optimization at the Conceptual Design Stage." International Journal of Architectural Computing 10, no. 1 (March 2012): 13–32. http://dx.doi.org/10.1260/1478-0771.10.1.13.

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Sauli, Shazmira Azwa, Mohamad Ridzwan Ishak, Faizal Mustapha, Noorfaizal Yidris, and Sanusi Hamat. "Hybridization of TRIZ and CAD-analysis at the conceptual design stage." International Journal of Computer Integrated Manufacturing 32, no. 9 (July 21, 2019): 890–99. http://dx.doi.org/10.1080/0951192x.2019.1644536.

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Chandwani, Vinay, Naveen Kumar Gupta, Ravindra Nagar, Vinay Agrawal, and Ajay Singh Jethoo. "Artificial neural networks aided conceptual stage design of water harvesting structures." Perspectives in Science 8 (September 2016): 151–55. http://dx.doi.org/10.1016/j.pisc.2016.03.015.

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Kalabukhov, D. S., and A. A. Martynov. "Selecting the best ultralow-power turbine at the conceptual-design stage." Russian Engineering Research 37, no. 4 (April 2017): 300–309. http://dx.doi.org/10.3103/s1068798x17040104.

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Jin, X., and H. Dong. "NEW DESIGN HEURISTICS IN THE DIGITAL ERA." Proceedings of the Design Society: DESIGN Conference 1 (May 2020): 607–16. http://dx.doi.org/10.1017/dsd.2020.321.

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AbstractIn the digital era, products’ forms do not necessarily follow their function. Design fixation may happen when a designer attempts to generate diverse concepts. New design heuristics for digital design were extracted to support designers in the early conceptual design stage. Ten design heuristics were extracted from 998 RedDot award-winning concept designs (2013-2017) through a five-step process. It was preliminarily tested by four practitioners and proved to have positively influenced their conceptual design.

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Luo, Jian She, Bang Guo Wang, Xiao Li Wang, and Hong Cheng. "Customer Evaluation and Selection Method of Real-Time Innovative Design Based on the Network." Advanced Materials Research 605-607 (December 2012): 380–83. http://dx.doi.org/10.4028/www.scientific.net/amr.605-607.380.

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In the early stages of the design process, the conceptual design is the stage that can determine the product cost up to 80% on average. In this stage, there are more than one product concept program to choose from. However, to make a concept prototype, and to survey a sufficient number of consumers need, a lot of time and cost need to be spent. In order to solve the above problems, this paper introduces a real-time innovative design of the network-based customer evaluation and selection methods. This method makes full use of the internet and information technology which is able to quickly transport consumer demand to the conceptual scheme at a lower cost and by calculating the extent of consumer preferences on a variety of conceptual design schemes in a short period time allow consume make their decision on a real-time basis during the design phase.

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Journal articles on the topic 'Conceptual Stage of Design'

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