Complex energy simlulation using simplified user interaction mechanisms

Simulation of energy systems and associated thermodynamic domains is very powerful in delivering precise information at high resolution. Modelling software requires detailed information about the energy system. The specialised user usually has questions about specific aspects of the energy system and may not be interested in the complete set of outputs available from simulation results. Similarly the specialised user may only be concerned about a subset of the inputs provided to the software. This suggests an opportunity to develop an input / output scheme tailored for the specialised user. The power of simulation can be accessed through the use of simplified interfaces. Although these restrict flexibility in terms of model input / output data the specialised user is only interested in a subset of the capability of the underlying simulation tool. Robust results rely on a consistent underlying simulation context, this restricted interface ensures that only the parameters of interest to the users are modifiable and that other simulation parameters remain fixed ensuring a consistent and repeatable output. One such example of limited user interaction for both output and input is the ADEPT interface to whole building and plant dynamic modelling and simulation suite ESP­r (ESRU 2002). The interface was developed in the context of the UK domesticheating market. This paper describes the development of the ADEPT tool and associated spreadsheet templates in order to provide a readily usable platform for the study of domestic heating systems and controls for plant and control components manufacturers, regulatory authorities and research organisations

Optimizing the total energy consumption and CO₂ emissions by distributing computational workload among worldwide dispersed data centers

Major internet service providers have built and are currently building the world's largest data centres (DCs), which has already resulted in significant global energy consumption. Energy saving measures, from chip to building level, have been introduced gradually in recent decades. However, there is further potential for savings by assessing the performance of different DCs on a wider scale and evaluating information technology (IT) workload distribution strategies among these DCs. This paper proposes a methodology to optimize the electricity consumption and CO2 emissions by distributing IT workload across multiple imaginary DCs. The DCs are modelled and controlled in a virtual test environment based on a building energy simulation (BES) tool (TRNSYS). A controller tool (Matlab) is used to support testing and tuning of the optimization algorithm. A case study, consisting of the distribution of IT workload across four different types of data centers in multiple locations with different climate conditions, is presented. The case study will illustrate.</p

Optimizing the total energy consumption and CO₂ emissions by distributing computational workload among worldwide dispersed data centers

Major internet service providers have built and are currently building the world's largest data centres (DCs), which has already resulted in significant global energy consumption. Energy saving measures, from chip to building level, have been introduced gradually in recent decades. However, there is further potential for savings by assessing the performance of different DCs on a wider scale and evaluating information technology (IT) workload distribution strategies among these DCs. This paper proposes a methodology to optimize the electricity consumption and CO2 emissions by distributing IT workload across multiple imaginary DCs. The DCs are modelled and controlled in a virtual test environment based on a building energy simulation (BES) tool (TRNSYS). A controller tool (Matlab) is used to support testing and tuning of the optimization algorithm. A case study, consisting of the distribution of IT workload across four different types of data centers in multiple locations with different climate conditions, is presented. The case study will illustrate.</p

Module 4. Technical Skills Upgrade

Incorporar aquests documents a la Col·lecció del Centre de Recerca i Estudis pel Desenvolupament Organitzatiu. Considerar que el registre té més d'un arxiu, ja que s'incorpora traduït a diversos idiomes.This module is dedicated to capacity building to achieve a "Technical Skills Upgrade". The main focus will be laid on test facilities used in the automotive industry. So the training will start with an overview of test facilities in general and particular with the example of the proving ground of FH Joanneum and Hochschule Düsseldorf. The presentation will be continued answering the question how to build a test facility. Examples of projects conducted at the European partner institutions and examples of courses are presented. In a workshop the participants will have the opportunity to make up their minds how they advantageously could implement testing in class and in research

Towards a Business Intelligence Systems Development Methodology: Drawing on Decision Support and Executive Information Systems

Business Intelligence (BI) systems are important IT platforms providing decision support in many enterprises, but there is a lack of independent BI-specific systems development methodologies. Further, while BI has been acknowledged as a successor to Executive Information Systems (EIS), there is little empirical evidence underpinning this view. This paper presents a case study of a BI systems development project in a large Australian healthcare organisation to argue that the development challenges faced by BI systems developers are largely similar to the challenges addressed by EIS development methodologies, and that an EIS development methodology is a useful starting point for designing a development methodology specifically for BI systems

Comparison of Different Structural Software for Multistory Building Design in Terms of Concrete Columns Reinforcement

The use of computers for the analysis and design of structures has become a standard practice in today's world especially in the design of complex structures, such that space craft, aircraft, tall building, long span bridges, etc. As a result of standard practice of computational design of tall building structures, there are a number of software in the market for a solution of similar problem; however, there is not exist any comparative analysis among commercially available software for tall building design. This research study was focused on the comparative analysis of different software. The comparison wasmadein terms of efficiently, ease in modelling and economy of design. Structure model with different combination of building height and bay width were used to carryout the analytical study. In orderto maintain the consistency and accuracy of the results output, columnsizes were kept constantfor all the models. Two software, Prokon Version Wl.1.02 and STAAD Pro 2002 which are very common in the structural practices in Malaysiawere used for this comparative analysis. Based on the analytical and structural design results, STAAD Pro 2002 is found to be more superior to Prokon Version Wl.1.02 in term of tall building modelling. STAAD Pro software proved to be an highly efficiency software, which produced more economical design as compared to Prokon. Moreover, the differences, similarities as well as the limitations of both programs have been identified in this project. On the whole, STAAD Pro software is a more advance program which is appropriate for tall building modelling purposes

Computer-based decision support for railway traffic scheduling and dispatching: A review of models and algorithms

This paper provides an overview of the research in railway scheduling and dispatching. A distinction is made between tactical scheduling, operational scheduling and re-scheduling. Tactical scheduling refers to master scheduling, whereas operational scheduling concerns scheduling at a later stage. Re-scheduling focuses on the re-planning of an existing timetable when deviations from it have occurred. 48 approaches published between 1973 and 2005 have been reviewed according to a framework that classifies them with respect to problem type, solution mechanism, and type of evaluation. 26 of the approaches support the representation of a railway network rather than a railway line, but the majority has been experimentally evaluated for traffic on a line. 94 % of the approaches have been subject to some kind of experimental evaluation, while approximately 4 % have been implemented. The solutions proposed vary from myopic, priority-based algorithms, to traditional operations research techniques and the application of agent technology.This paper provides an overview of the research in railway scheduling and dispatching. A distinction is made between tactical scheduling, operational scheduling and re-scheduling. Tactical scheduling refers to master scheduling, whereas operational scheduling concerns scheduling at a later stage. Re-scheduling focuses on the re-planning of an existing timetable when deviations from it have occurred. 48 approaches published between 1973 and 2005 have been reviewed according to a framework that classifies them with respect to problem type, solution mechanism, and type of evaluation. 26 of the approaches support the representation of a railway network rather than a railway line, but the majority has been experimentally evaluated for traffic on a line. 94 % of the approaches have been subject to some kind of experimental evaluation, while approximately 4 % have been implemented. The solutions proposed vary from myopic, priority-based algorithms, to traditional operations research techniques and the application of agent technology

Impact Of Parametric Design On Designing Performative Facades

Tez (Yüksek Lisans) -- İstanbul Teknik Üniversitesi, Fen Bilimleri Enstitüsü, 2015Thesis (M.Sc.) -- İstanbul Technical University, Institute of Science and Technology, 2015En yalın tanımıyla, mimarlık insanı dış çevreden gelen etkenlerden korumaktır. Yüzyıllar boyunca, mimarlık teknolojı, malzeme yenilikleri, stil, mekan organizasyonu ve diğer konularda gelişerek başarılı bir yol kat etmiştır. İlk dijıtal modelleme programları mimarların yeni formları algılamalarına yardımcı oluyordu. Bugün yeni nesil dijital teknikleri mimarlara yaratıkları formları algılama ve kontrol etme imkanını da sağlamaktadır. Bugün yapı sektörü, dünyanın en yüksek enerji tuketimi olan sektörlerden bırıdır. Dolayısıyla enerji korunumu bugün kaçınılmaz olarak en önemli konuların başında gelmelidir. Dijital teknikler gelişmiş ve standard dışı formların tasarımı ve üretimi konusunda oldukça önemli katkılar sağlamaktadır. Bu nedenle performansa dayalı tasarım için yeni yollar ortaya çıkmaktadır. Parametrik tasarım, mimarlığın yeni bir metodu olarak, bılgısayar ortamında, algoritmalara dayalı tasarımda oldukça önemli bir noktaya gelmiştir. Parametrik tasarım dolayısıyla performansa dayalı tasarım alanında da etkin olarak kullanılabilir. Bina performansı, akustik ve enerji verimliğini kapsamaktadır. Parametrik modeller,  performansa dayalı tasarım karar ve kısıtlama programlama faktörlerine oldulça etkin bir şekilde yanıt verebilmektedir. Matematiksel tasarım ve simülasyon uygulamalarınin gelişimi, ceryanda olan tasarımın gelistirir. Bina simülasyon uygulamalarının, tasarım seçenekleri ve bina genel performansının incelenmesine yardımcı olmaktadır. Simülasyon uygulamaları, enerji odaklı binaların tasrımı için ayrılmaz bir parçadır. Cepheler bir yapının enerji tüketimi ve konfor parametreleri konusunda çok önemli bir bileşeni olduğundan cephe tasarımı, kuşkuz tüm mimariden ayrılmayacak şekilde, çok önemli bir yere sahiptir. Özellikle bu çalışma bağlamında, dinamik cephe tasarımlarının çeşitli koşullara yanıt verme konusunda sahip olduklari esneklik nedeniyle yapının enerji performansını yükseltme ve enerji tasarrufu konularında çok daha etkin oldukları savunulmaktadır.  Bu çalışmada mevcut bilgi ve daha önce yapılmış çalışmalar dikkate alınarak parametrik tasarım metodu ile esnek-adaptif bir cephe tasarlama deneyimi gerçekleştirilmiştir.  Bu tasarımda araştırmaları ele alarak, parametrik tasrım ile bir esnek-adaptıf cephe sistemi tasarlanıp, aydınlatma analizi yapılacaktır. Bu tasarımda gün ışığına karşı bina performansı incelenmiştir. Tezin ilk bölümünde, dijital tasarım ve bilgisayarın mimarlıkta olan önem ve etkisi ve bunun sonüçlarından biri olarak özelleştirilmiş tasarımı anlatılmıştır. Sonra ise,  tasarım ve üretimin mimarlık tasarlama ve üretim aşamalarındaki önemi ve etkisi üzerinde durulmuş, devamında performansa dayalı tasarım ve bu alanda parametrik tasarlama metodunu olasılı etlileri tartışılmıştır. İkinci bölümde parametrik tasarlama yönetmeleri kullanilarak tasarlanmış performansa dayalı cephe tasarım örnekleri analitik bir bakış açısıyla anlatılmıştır. Son bölümde ise varolan ve halihazırda kullanılmakta olan İTÜ Maslak yerleşkesinde yeralan Teknokent binasının cephesi için gün ışığı performansına dayalı bir cephe tasarım denemesi gerçekleştirilmiştir.In a simple definition, architecture was aimed to inhabit human inside a space that covers him from wild extreme environmental conditions. During the centuries, it developed and achieved higher levels of complexity and advancements in technology, space organization, style, material assembly and so on. If the first generation of digital modeling programs allowed designers to conceive new forms, a new breed of digital techniques is today discussed for their ability to allow these forms to be controlled and realized. Building is considered as one of the largest energy consuming sectors in most countries and nowadays energy consumption is an important issue in architecture. With the advent of digital technologies and the ability to conceptualize, express and produce complex forms and non-standard buildings the novel direction for supporting performance-based design are beginning to emerge. Parametric design as a new method in architecture for intelligently designing architectural objects based on relationships and rules using the computer, can help for achieving performance-based design. It allows designing complex forms but, it is not just to make buildings more visually compelling but to precisely tune nearly every aspect of their performance, from acoustics to energy efficiency, so the system can be used as a performance-driven process. The parametric models can combine and respond simultaneously to design and its programmatic factors, such as performance design-decisions, and constraints. Development in computational design and simulation applications are providing methods to improve current design practices, since the uncertainties about various design elements can be simulated and studied from the design inception. Building performance simulations aid in investigating design options and the overall building performance and are an integral part of the design process for energy efficient and high-performance buildings.  Since the façade is one of the most significant contributions to the energy budget as well as the comfort parameters, it is important to focus more on it. By making the facades more dynamically responsive to the environmental conditions they can fit better to the various conditions and therefore supply better comfort for the occupants. Digital design and fabrication tools now allow us to create highly flexible-adaptive building façade systems that can be customized for different con-texts. Having stated current knowledge and previous researches in mind in this thesis, a prototype of an adaptive façade system using parametric modeling tools is going to be designed and analyzed it, so as to evaluate the performance of that façade response to the day-lighting. The first part of the thesis looks at the importance of digital design and computer in architecture and issue of mass customization as one of its results. Afterwards, the importance of performance-based design is mentioned and the significant role of parametric design as one of the methods to achieve this kind of design is analyzed. The second part of the thesis focuses on the façade systems and analyzes some examples of performance-driven designs using parametric modeling. The last section explained the process of development of adaptive building façade, using parametric design, for the chosen building with considering the day-lighting performance and then analyze the illuminance level of building before and after the implementing the designed facade to compare whether if with implementing the facade can we achieve the optimal illuminance level and to prevent the direct sun exposures or not.Yüksek LisansM.Sc

Beyond blue and red arrows : optimizing natural ventilation in large buildings

Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Architecture, 2005.Includes bibliographical references (p. 136-139).Our growing understanding of technology and environment has expanded the complexities of producing large naturally ventilated buildings. While it may be argued that designing for natural ventilation is a straightforward, intuitive process, somewhere between the simple diagrams and signing off on the building, the designer must be able to verify that the design will be effective -- essentially that people will be comfortable, and that the system is robust. Today, professional experience is the only methodology to understand the broad considerations behind these new structures. Literature reviews and interviews with industry professional illustrate the lack of information available to the academic and practicing audiences describing the series of calculated decisions and challenges surrounding the design of large naturally ventilated buildings. Architecture professionals and students desiring to engage in these recent, innovative practices would therefore benefit from a resource describing the options available to evaluate a proposed design and optimize a completed building. The thesis examines the strategic decisions in evaluation and monitoring of three case study buildings (Morphosis' San Francisco Federal building, Fosters & Partners' Swiss Re building, and Behnisch & Behnisch's Genzyme building) and derives principles influencing future architecture practice.by Wendy Meguro.S.M