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Hållbara projekteringsverktyg : Från byggnadsinformationsmodell till simulering – en utvärdering av Revit och Virtual EnvironmentRydberg, Henrik January 2012 (has links)
This study examines the use of building modeling and energy simulations in the design process of a building. The take-off point is the notion of energy simulations being needed early and throughout the building design process, and that the lack of energy simulations may be explained by the fact that they are time consuming and therefore often too expensive. A greater interoperability between software tools used by relevant disciplines, such as the architect and the energy specialist, would create smoother workflows, which would reduce this cost and open up for more frequent and iterative energy simulation processes. The study is an assessment of the modeling tool Revit and the simulation tool Virtual Environment and whether they can create smoother workflows, and make leeway for a more frequent use of energy simulations throughout the design process. It also investigates the limitations of what can be examined by simulations in Virtual Environment. This will hopefully help clarify the future role of energy simulations in design processes. The method is a trial by error approach of testing the two software tools by building and simulating a model. The results of these tests show that the workflow is not optimal (and therefore time consuming) for frequent and iterative simulations throughout the design process, but it also reveals some great possibilities of what can be performed with these two powerful tools at hand. Further development with regards on platform independency of the building information model, including seamless exporting and importing, seems necessary to strengthen the future role of energy simulations.
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How do small companies generate and select their ideas? : A Multiple Case Study with a design management perspectiveAllgaier, Benjamin, Cosson, Guillaume January 2012 (has links)
Companies that want to compete in the actual business environment need to be innovative. The shortening of product life cycles and the increasing competition force the companies to successfully come up with new ideas. In previous research some quantitative studies have been done on small companies using design management, notably in Italy and Spain. Sweden is both known for its small companies and its design. The purpose of the study is to explore design management in small Swedish companies. This thesis aims to continue exploring the field of design management especially in small companies. We outline the following research questions: “How do small companies using design management generate their ideas?” and “How do small companies using design management select their ideas?”. To find an answer, we reviewed relevant literature concerning this topic and based on this we developed a theoretical frame including our own research platform. Concerning our methodological approach, we choose the abductive approach since it enables us answering our research questions by extending our theoretical framework for this complex topic. Our research strategy is a qualitative study and our research design is a multiple case study using semi-structured interviews. Our empirical findings consist of four interviews divided in two sets. The interviews were conducted in London, Gothenburg and Skellefteå. The first set of interviews addressed design management consultancies with the aim to have an overview of how small companies generate and select their ideas. The second set of interviews addressed small companies in Northern Sweden. Our findings are a synthesis of the broad view of the consultants and the case specific views of the small companies’ managers. From these interviews, we have concluded that the design management knowledge in Swedish small companies varies and is rather rare. Nevertheless, small companies can follow design management principles without knowing the term design management (what we call silent design management). Also, the small companies we have interviewed do not use always their network to innovate but also sometimes innovate to maintain and develop their network, even ending sometimes with a joint venture with external partners. Relationships between external partners and small companies’ representatives are consequently a very important factor while finding and selecting ideas. We have analyzed design as a strategic tool and design management as a way to have a long-term strategy. We have deduced from our interviews that design management can be considered as a dynamic capability, acquired in our cases by a corporate culture or internal processes. The design process seems to be more iterative in small companies because they seem to guess more and less estimate their expected outcomes. However, a clear vision streamlines the design process, especially in small companies using design management. We gladly recommend further research in this field, to check if the results of our research are generalizable or to look for new research gaps.
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Integrating Safety Issues in Optimizing Solvent Selection and Process DesignPatel, Suhani Jitendra 2010 August 1900 (has links)
Incorporating consideration for safety issues while designing solvent processes has become crucial in light of the chemical process incidents involving solvents that have taken place in recent years. The implementation of inherently safer design concepts is considered beneficial to avoid hazards during early stages of design. The application of existing process design and modeling techniques that aid the concepts of ‘substitution’, ‘intensification’ and ‘attenuation’ has been shown in this work. For ‘substitution’, computer aided molecular design (CAMD) technique has been applied to select inherently safer solvents for a solvent operation. For ‘intensification’ and ‘attenuation’, consequence models and regulatory guidance from EPA RMP have been integrated into process simulation. Combining existing techniques provides a design team with a higher level of information to make decisions based on process safety.
CAMD is a methodology used for designing compounds with desired target properties. An important aspect of this methodology concerns the prediction of properties given the structure of the molecule. This work also investigates the applicability of Quantitative Structure Property Relationship (QSPR) and topological indices to CAMD. The evaluation was based on models developed to predict flash point properties of different classes of solvents. Multiple linear regression and neural network analysis were used to develop QSPR models, but there are certain limitations associated with using QSPR in CAMD which have been discussed and need further work.
Practical application of molecular design and process design techniques have been demonstrated in a case study on liquid-liquid extraction of acetic acid-water mixture. Suitable inherently safer solvents were identified using ICAS-ProCAMD, and consequence models were integrated into Aspen Plus simulator using a calculator sheet. Upon integrating flammable and toxic hazard modeling, solvents such as 5-nonanone, 2-nonanone and 5-methyl-2-hexanone provide inherently safer options, while conventionally-used solvent, ethyl acetate, provides higher degree of separation capability. A conclusive decision regarding feasible solvents and operating conditions would depend on design requirements, regulatory guidance, and safety criteria specified for the process.
Inherent safety has always been an important consideration to be implemented during early design steps, and this research presents a methodology to incorporate the principles and obtain inherently safer alternatives.
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Two Evolutionary Models For Reconceptualizing Architectural Ideas And The Architectural Design ProcessAnay, Hakan 01 September 2008 (has links) (PDF)
This study puts forward two complementary evolutionary models and explores the potential of the proposed models and the related theses by employing two case studies. The theoretical/conceptual framework of the study refers to architectural theory, design research, and evolutionary epistemology. The study mainly involves application of some key ideas from evolutionary epistemology, Popper& / #8217 / s three-world ontology, and the theory of evolution to the field of architecture.
The first model is about the nature of the architectural ideas or thought contents and it introduces the idea of conceptual inheritance and an evolutionary conception of architectural ideas. The model proposes a framework that offers an understanding of the life and existence of architectural ideas and their inheritance. It also puts forward an expanded view of architectural ideas that conceives all the thought contents, which architectural designs (or works) and the architectural design process might concern, as architectural ideas. In order to illustrate and discuss the model, some of the architectural ideas carried by Mario Botta& / #8217 / s single-family house in Breganzona are selected and the evolutionary lineage of these ideas have been identified and examined in their instances in some of Botta& / #8217 / s own designs and in some designs from architectural tradition.
The second model is an evolutionary model of the architectural design process. While emphasizing the evolutionary or selectionist character of architectural design in terms of process and inner dynamics, the model conceives architectural design as a process consisting of the two stages of forming/making, and evaluation/selection where in the first stage formative ideas, in the second, selective conditions are operational. In order to illustrate the potentialities of the model, the sketches and the drawings produced during the design process of Mario Botta& / #8217 / s single-family house in Breganzona are examined.
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High temperature, permanent magnet biased, homopolar magnetic bearing actuatorHossain, Mohammad Ahsan 30 October 2006 (has links)
The EEC (Electron Energy Corporation) in conjunction with the National Aeronautics and Space Administration is researching the magnetic bearings for an alternative to conventional journal or ball bearings. The purpose of this research was to design and develop a high-temperature (1000úF) hybrid Magnetic Bearing using High Temperature Permanent Magnets (HTPM), developed by the EEC for high performance jet engines at high speeds that supply loads of 500 lbf. Another objective is to design and build a test rig fixture to measure the load capacity of the designed bearing. The permanent magnet bias of the Homopolar radial magnetic bearing reduces the amount of current required for magnetic bearing operation. This reduces the power loss due to the coil current resistance and improves the system efficiency because the magnetic field of the HTPM can suspend the major portion of the static load on bearing. A high temperature radial magnetic bearing was designed via an iterative search employing 3D finite element based electromagnetic field simulations. The bearing was designed to produce 500 lbf of force at 1000úF and the design weight is 48 lbs. The bias flux of the Homopolar radial bearing is produced by EEC HTPM to reduce the related ohmic losses of an electromagnetic circuit significantly. An experimental procedure was developed to measure actual load capacity of the designed bearing at the test rig. All the results obtained from the experiment were compiled and analyzed to determine the relation between bearing force, applied current and temperature.
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AREAS OF KNOWLEDGE NEEDED BY SUPERINTENDENTS AND ARCHITECTS TO ENHANCE THEIR COLLABORATION IN THE SCHOOL DESIGN PROCESSLovesmith, Deanna M. 16 January 2010 (has links)
The purpose of the study was to identify perceptions of the contributions made
by superintendents and architects respectively when programming a new school.
Areas of collaboration were determined by a qualitative analysis of the responses
of superintendents and architects to questions regarding their perceptions of areas to
discuss when collaborating in the designing of a new school. Ninety-four Texas
superintendents and forty-six architects participated in the survey.
Major research findings from this study addressed the areas of knowledge needed
to enhance the collaboration process. Budget is the driving force within the collaboration
between superintendents and architects when designing a school. The superintendent is
the key communicator in the design process. Architects are the individuals most
concerned with using the instructional delivery methods used by teachers to guide the
design process. Three main areas to address when designing a school to support student
safety are accessibility, surveillance and visibility. Instructional specialists, specifically at the district-level, are often not included as a part of the facilities committee.
Superintendents obtain knowledge and the skill to collaborate with architects on a school
design process through on-the-job experience.
Recommendations are made to further enhance the collaboration.
Superintendents and architects need to view budgets as a way to prioritize needs rather
than to limit possibilities when designing a school. Superintendents must continue to be
aware that they are the lead communicator in the school design process and must
continue to work to effectively communicate their district�s and community�s needs,
expectations, and vision. Superintendents must be prepared to communicate instructional
delivery methods and expectations to architects when designing a school.
Superintendents and architects need to consider accessibility, camera
surveillance, and visibility when designing a school to support student safety. Facilities
committees should include district level curriculum experts as part of the school design
process, as these individuals are knowledgeable of the district�s instructional vision. It is
important for superintendents who are designing a school project to have prior
experience in participating in the design process, or to collaborate with other
superintendents with experience to guide and assist them in the process.
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Supporting the design process of distributed and collocated multidisciplinary design teams through tag and thumbnail based organization of design documentsPowell, Natasha 31 August 2010 (has links)
In the multidisciplinary design process, design documents are used to help support a team's design and mediate any misunderstandings that occur. Current methods of organizing such design documents are either difficult to keep up to date physically with their digital versions, or inhibit distributed users access to important comparative information. Digital tag and content thumbnail-based document organization is presented as a possible alternative. The effects of tag-based document organization on the manner in which collocated and distributed design teams categorize, review and search design documents and resolve design misunderstandings were compared to the effects of traditional physical (the pin up walls of project rooms)&digital (shared digital file folders) document organization. Student participant design teams were assembled. These teams were observed organizing a provided set of design documents and develop a design solution as a team using either tag-based or traditional physical or digital document organization. Team members were given retrieval tests to compare search times between methods of document organization. User feedback on organization preferences were collected and used to develop a conceptual prototype of a document organization interface supportive of the multidisciplinary design process. Though the quantitative results did no clearly favor tag-based organization, observational results and user comments were in support of the capabilities tag-based organization provides.
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Centralisation of product design and the design process for housingSohlenius, Ulrika January 2006 (has links)
<p>Over many years the housing industry has been criticised concerning its performance related to factors such as quality and cost. Together with the challenge of improving its capability in meeting individual customers’ needs, by means of effective production, this has resulted in a situation where companies look at other industries, such as manufacturing, in order to<i> industrialise</i> their products and processes. Swedish housing producers are today working towards finding more commonality in products and processes at the same time as the ability to deliver customized product and services is maintained or improved. In some cases this means an increase in central control of the design work carried out in project groups.</p><p>This thesis presents a study of the design process for housing at a Swedish property developer, JM AB. Interviews have been conducted with three main groups of actors (project leaders, architects and sellers) connected to ten housing developments. A survey has also been sent out to these individuals as well as to other important actors. The main objectives of these investigations were to find out major actors’ attitudes towards the increase in central control of the design work, in general terms as well as in relation to specific design objects (windows, floor plans, bathrooms and basic structure) for the housing projects.</p><p>The results show that the trend towards more industrialised processes by more structuring and standardising concerning design has had an effect on the design work carried out in project groups. There are positive as well as negative aspects, as well as similarities and differences in attitudes. These differences can be related to different roles as well as to geographical differences. Within this work a <i>triangle</i> has been developed for measuring and comparing different actors’ attitudes. The work further shows that adapting a more holistic view of the design process, by considering it as part of a firm’s product realisation process, could be a base for further developments</p>
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Rum för äldre : om arkitektur för äldre med demens eller somatisk sjukdomAndersson, Jonas January 2005 (has links)
No description available.
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Design–theoretical and empirical, A research project inn design theory including the devolpment of a prototype for a symbol system that represents tastes of wineNordegren, Annica January 2004 (has links)
<p>The thesis presents a research project in graphic design including the development of a symbol system that represents tastes of wine as consumer information. The thesis has three main chapters; design, theory and empirical foundation.</p><p>The design chapter clarifies the design concept and its evolution from a traditional standpoint to its present state in the international area of design research as design theory.</p><p>The theoretical chapter presents a map of concepts in order to explain problems and practical solutions in the design process. The concepts are based on the philosophical ideas of Ernst Cassirer and Ludwig Wittgenstein, and concern interpretation of sense information, symbols and signs, picture and image. The design of the symbol system concerns the experience of taste, as a translation from words to pictures.</p><p>The empirical chapter comprehends both a description of the design process and of the empirical research. The method used is prototyping with a reference group of branch experts. The empirical research has evaluated the possibility to interpret, learn, use and understand the symbol system. The method used is a survey with questionnaires to a group of wine consumers</p>
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