Página 19 dos resultados de 125734 itens digitais encontrados em 0.056 segundos

‣ A framework for quantifying complexity and understanding its sources : application to tow large-scale systems

Martin, Pierre-Alain J. Y
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 95 p.; 6756987 bytes; 6761866 bytes; application/pdf; application/pdf
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The motivation for this work is to quantify the complexity of complex systems and to understand its sources. To study complexity, we develop a theoretical framework where the complex system of interest is embedded in a broader system: a complex large-scale system. In order to understand and show how the complexity of the system is impacted by the complexity of its environment, three layers of complexity are defined: the internal complexity which is the complexity of the complex system itself, the external complexity which is the complexity of the environment of the system (i.e., the complexity of the large- scale system in which the system is embedded) and the interface complexity which is defined at the interface of the system and its environment. For each complexity we suggest metrics and apply them to two examples. The examples of complex systems used are two surveillance radars: the first one is an Air Traffic Control radar, the second one is a maritime surveillance radar. The two large-scale systems in which the radars are embedded are therefore the air and the maritime transportation system. The internal complexity metrics takes into account the number of links, the number of elements, the function and hierarchy of the elements. The interface complexity metric is based upon the information content of the probability of failure of the system as it is used in its environment. The External complexity metric deals with the risk configuration of large- scale systems emphasizing the reliability and the tendency to catastrophe of the system.; (cont.) The complexity metrics calculated based on specific analysis of the ATC radar are higher than those calculated for the maritime radar for all the three levels of complexity indicating that the external complexity is the source for the internal complexity. Thus...

‣ Simulation-based evaluation of Advanced Traveler Information Services (ATIS); Simulation-based evaluation of ATIS

Florian, Daniel George
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 115 p.; 6315415 bytes; 6322225 bytes; application/pdf; application/pdf
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Drivers using information from an Advanced Traveler Information System (ATIS) could potentially make better travel decisions to reduce travel time and increase trip reliability, thereby benefiting both guided drivers as well as those without such access. However, market penetration of ATIS can have dramatic effects on the performance of the transportation system in terms of overall benefits conferred as well as the distributional effects between guided and unguided drivers. Because market penetration will be determined both by private market structure and public policies, the effective deployment of ATIS depends critically on the private and public organizations that will provide these services. An understanding of the relationship between transportation system performance and ATIS market penetration provides important insights into a sustaining market structure for the ATIS industry. This thesis provides an empirical study of the impact of ATIS on transportation network quality of service using an application of DynaMIT (Dynamic network assignment for the Management of Information to Travelers). An analysis of the simulation results serves to inform the public and private stakeholder positions in the creation of a better market for ATIS. The main results are that the provision of dynamic route guidance can simultaneously benefit the individual performance of drivers...

‣ Framework for designing regional planning architecture for APTS-enabled regional multimodal public transportation system

Zakaria, Zulina
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 101 leaves; 7663982 bytes; 7669463 bytes; application/pdf; application/pdf
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Unsustainable transportation systems have been the cause of many problems facing urban areas around the world. Lack of regard for sustainable development considerations by those responsible for planning and implementing transportation systems has caused unhealthy air quality, noise pollution, traffic congestion, loss of green spaces and biodiversity, disruption of neighborhoods, equity problems, resource use etc. Many factors could potentially cause unsustainable transportation systems to persist. Transportation planning and decision-making is crucial in determining the structure and operation of transportation systems and hence also its sustainability. This thesis explores the idea of transportation planning institutions with the capability to design and implement sustainable transportation systems and how these institutions can be developed. The Regional Strategic Transportation Planning/CLIOS Process and Regional Planning Architecture Protocol were combined to form a Regional Planning Architecture Strategic Design Framework. To illustrate the use of the framework, it was applied in developing a RPA for planning a sustainable APTS-enabled regional multimodal public transportation system for the rapidly developing Kuala Lumpur Metropolitan Region in Malaysia.; by Zulina Zakaria.; Thesis (S.M.)--Massachusetts Institute of Technology...

‣ The Web of science : power structure research of the American stem cell industry

Wang, Lisheng, 1977-
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 97 p.; 4569007 bytes; 4574271 bytes; application/pdf; application/pdf
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This thesis reviews the developments in the research of business power and social structure, particularly focusing on the phenomena of "inner circle" and "structural hole" and their underlying theories. Through a close study on its technical and commercial developments as well as its ethical controversies, the American stem cell industry is found to be an interesting area to carry out the power structure research. Increasing political intervention and declining profitability make the American stem cell industry highly analogous to the entire American corporate community in 1970s and early 1980s when business inner circle first emerged. Meanwhile, the American stem cell industry also differs from the social context of a typical inner circle in a number of ways, which means special research strategy is required for the study on stem cell inner circle. Such analogue with slight deviation brings excitement to the power structure research in this highly entrepreneurial yet tightly regulated industry. 12 U.S. stem cell companies that well represent the American stem cell industry are selected to form a sampling for this power structure study. Stem cell inner circle is defined in this thesis as a group of people who are playing critical roles in the stem-cell related scientific...

‣ Operational sustainability metrics : a case of electronics recycling

Atlee, Jennifer Robinson
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 127 p.; 10729810 bytes; 10736001 bytes; application/pdf; application/pdf
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In the past 15 years corporations and governments have developed a growing appreciation of the need for "sustainability" and have worked the term into their goals, strategy and mission statements. Despite extensive efforts to define the term, there is still little clarity on how to move toward sustainability or measure improvements. Further advances toward sustainability will require system specific metrics to assess both current performance and the impact of operational, technological or regulatory changes on that performance. Not only are there currently few operational metrics by which to practically assess progress toward sustainability, there is also very little understanding of how to judge the effectiveness of such metrics. Electronics recycling is used in this thesis as a case problem in developing and evaluating system specific performance metrics for sustainability. Electronics recycling is a growing national and international concern due to the increasing volume of waste, the potential toxicity of the scrap, and reports of improper handling and disposal. Despite this concern, there is limited understanding about the electronics recycling system. There is a need for systematic ways to describe system functioning and quantitative methods to assess system performance. Existing evaluations of eco-efficiency or sustainability are either too aggregated to guide operational decisions or too complex and data intensive to be performed in the context of a low-margin system. A range of performance metrics were developed and assessed for several electronics recycling operators. These included measures of resource recovery and environmental performance.; (cont.) These metrics were assessed for their ability to provide insights on resource efficiency comparable to more complex indicators...

‣ Using risk-based regulations for licensing nuclear power plants : case study of gas-cooled fast reactor

Jourdan, Grégoire
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 124 p.; 6266047 bytes; 6272163 bytes; application/pdf; application/pdf
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The strategy adopted for national energy supply is one of the most important policy choice for the US. Although it has been dismissed in the past decades, nuclear power today has key assets when facing concerns on energy dependence and global warming. However, reactor licensing regulations need to be changed to get all the advantages of the most promising technologies. After reviewing the well-known drawbacks of the current regulatory system, the ongoing reforms from the Nuclear Regulatory Commission (NRC) are presented. We argue that full benefice of modem risk analysis methods could not be obtained unless adopting a more ambitious and risk-based regulatory framework. A risk-based licensing framework is then presented, based on previous research from MIT. Probabilistic Risk Assessment (PRA) analyses are used to drive the design toward more safety, and serve as a vehicle for a constructive discussion between designers and the NRC. Mandatory multilevel safety goals are proposed to ensure that adequate safety and adequate treatment of uncertainties are provided. A case-study finally illustrates how this framework would operate. It is based on the Gas- cooled Fast Reactor (GFR) project developed at MIT. We show how PRA provides guidance for the design. Especially...

‣ A methodology to assess cost implications of automotive customization

Fournier, Laëtitia
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 115 p.; 9683881 bytes; 9690651 bytes; application/pdf; application/pdf
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This thesis focuses on determining the cost of customization for different components or groups of components of a car. It offers a methodology to estimate the manufacturing cost of a complex system such as a car. This methodology includes specific consideration of how costs change as customized variants of each component or grouping of parts are included. The central conclusion of the thesis is some recommendations for the automakers when they are facing customization decisions. The automotive industry has reached a mature state, as is evidenced by its growth and by the nature of competition and industry consolidation. Consumers are no longer satisfied with the models that are not individualized and demand a greater variety and individuality. Consequently the automakers are moving towards custom-made cars by customizing the shape and style of components; and this at a certain price. While product variety enables the firm to charge higher prices, automotive customization means also producing at lower production volumes, thereby increasing manufacturing costs and eroding profits. Understanding the cost of customization depends heavily on component cost structures. It is considered that this cost is equal to the difference between the price of a baseline and customized product. A methodology...

‣ A comparative study of the diffusion of antihypertensive and antidepressant medications in Germany in Japan

Cui, Ling, 1978-
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 141 p.; 10373112 bytes; 10380491 bytes; application/pdf; application/pdf
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This thesis analyzes and compares the diffusion of antihypertensive and antidepressant medications in Germany and Japan during the time period of 1992 and 2003. The antihypertensive medications are classified as new, middle and old generations and the antidepressants are classified as new and old generations in this study. The demographic, economic, price, promotional, regulatory, and cultural factors that contributed to the sales level, number of compounds available in the market, and launch time of these medications are also examined using quantitative and qualitative methods at therapeutic class, generation, as well as product levels. The qualitative analysis includes discussions on the general health care systems, health care polices, and country-specific hypertension- and depression-related cultural backgrounds. Econometric tools (descriptive statistics and linear regression models) are used as means of quantitative analysis. The diffusion of different generations of medications is examined. The degree of the use of branded vs. generic medications are also compared. Finally, Chow-tests are conducted for cross-country and cross- therapeutic-class comparisons. This study finds that there are significant branded-v-generic, cross-generation...

‣ Telecommunication technologies development in countries of the former Yugoslavia : history, needs and policy options for the future

Sulejmanpašić, Adnan, 1976-
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 90 p.; 4760988 bytes; 4765538 bytes; application/pdf; application/pdf
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In the first part of this thesis I give an overview of the political-economic and telecommunications sector developments in major western economies, as well as some of the advanced Eastern European countries. I use this framework to analyze the telecommunications sector development in countries of the former Yugoslavia: Bosnia and Herzegovina, Croatia, Macedonia, Serbia and Montenegro. Here I address the relevant legal and regulatory landscape development as well as the entrance of the most important business actors in the telecommunications markets of these countries. The history of the telecommunications sector development is also placed in the context of a broader set of political and economic shocks that affected this region of the world after the fall of the Iron Curtain. Throughout the thesis I build on insights learned during the research internship project that I undertook this summer: I visited capitals of all the former Yugoslavian countries and gathered data relevant to the telecommunications sector development by interviewing government and business sector officials there. This information is heavily used for the derivation of a set of policy recommendations and options that government officials should consider for advancing the development of the telecommunications technologies in the countries of the former Yugoslavia. Strategies for telecommunications sector development...

‣ Carbon dioxide capture from coal-fired power plants : a real potions analysis

Sekar, Ram Chandra
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 104 leaves; 4491657 bytes; 4495770 bytes; application/pdf; application/pdf
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Investments in three coal-fired power generation technologies are valued using the "real options" valuation methodology in an uncertain carbon dioxide (CO2) price environment. The technologies evaluated are pulverized coal (PC), integrated coal gasification combined cycle (baseline IGCC), and IGCC with pre-investments that make future retrofit for CO2 capture less expensive (pre-investment IGCC). All coal-fired power plants can be retrofitted to capture CO2 and can be considered "capture-capable", even though the cost and technical difficulty to retrofit may vary greatly. However, initial design and investment that take into consideration such future retrofit, makes the transition easier and less expensive to accomplish. Plants that have such an initial design can be considered to be "capture-ready". Pre-investment IGCC can be considered to be "capture-ready" in comparison to PC and baseline IGCC on this basis. Furthermore, baseline IGCC could be taken as "capture-ready" in comparison to PC. Cash flow models for specific cases of these three technologies were developed based on literature studies. The problem was formulated such that CO2 price is the only uncertain cash flow variable. All cases were designed to have a constant net electric output before and after CO2 retrofit. As a result...

‣ Application of microfluidic emulsion technology to biochemistry, drug delivery and Lab-on-a-Chip programmability

Urbanski, John Paul
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 138 p.; 9549073 bytes; 9556239 bytes; application/pdf; application/pdf
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This research applies microfluidic emulsion technology to three diverse problems; biochemistry, drug delivery and lab-on-a-chip programmability. These subjects represent distinct research programs, but the underlying physics of droplet formation, transport and control at low values of the Reynolds and Capillary numbers in multiphase microfluidics allows them to be considered in parallel and supports the flexibility of this technology. Within these stamp-sized elastomeric polydimethylsiloxane (PDMS) microfluidic devices, pressurized immiscible fluids may be combined at a junction of two or more microchannels, combining crossflow and viscoelastic shear, to generate emulsions. Droplet sizes may be tuned from nanometers to microns in diameter, controlled by device geometry and hydrodynamic flow characteristics. The application of droplets as individual bioreactors for biochemical assays is first explored at the device and external sensor level. The goal of this research is to extend on existing approaches and address challenges of platform scalability. Microchannel design strategies are analyzed then fabricated in order to increase sample incubation periods. Using monodisperse droplet formation within microfluidic devices, techniques are developed for the manufacture of drug loaded biodegradable polymeric particles for controlled release of encapsulated ingredients within biological systems. Coupled with the bulk method of solvent evaporation...

‣ Financial services in supply chains : success factors and future opportunities for traditional financial institutions

Fujimori, Yoshiro
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 63 leaves; 4120970 bytes; 4123522 bytes; application/pdf; application/pdf
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This thesis examines how the traditional banking institutions can add value in supply networks of products and services. The approach is based on a critical examination of the current range of services offered by traditional banks and similar financial institutions to supply chains and their component firms. Our primary hypothesis that we construct from such an analysis is that banking institutions have a vast field of opportunity to undertake more value-added roles in the operational aspects of supply chains; currently, the purview of many traditional banks is limited to the strategic aspects of supply chains, such as mergers and acquisitions, capital investments, and a largely passive or reactive monitoring of financial performance of supply chains. In order to underscore the significance of the research question, we first review the strategic drivers and the success factors for most banking institutions as they seek to enlarge their role in the functioning of large markets; these strategic drivers could explain the positioning of the current range of services offered by banks to supply chains and broader markets. Next, working from the other end, we review briefly the strategic, tactical and operational issues and priorities facing supply chain managers of today...

‣ Genetic manipulation : the paradox of control in a flexible corporation

Bentley, Patricia Peterson, 1954-
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 410 p.; 23718664 bytes; 23736847 bytes; application/pdf; application/pdf
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by Patricia Peterson Bentley.; Thesis (Ph.D.)--Massachusetts Institute of Technology, Program in Science, Technology and Society, 2000.; Includes bibliographical references (p. 399-410).

‣ Effect of automotive electrical system changes on fuel consumption using incremental efficiency methodology

Hardin, Christopher William
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 86 p.; 4529048 bytes; 4532590 bytes; application/pdf; application/pdf
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There has been a continuous increase in automotive electric power usage. Future projections show no sign of it decreasing. Therefore, the automotive industry has a need to either improve the current 12 Volt automotive electrical system or move to a higher voltage vehicle electric system. Both of these choices are likely to increase cost of the system. Performance improvements will be needed to justify the increased cost to the Original Equipment Manufacturer. This thesis is investigating the potential for fuel economy improvements and their associated economic advantages for different vehicle electric systems. The objective is to determine the effects on fuel consumption of electrical system choices under a variety of drive and load cycle circumstances. Incremental, or marginal, efficiencies will be used to determine the relationship between loads and fuel consumptions. ADVISOR, a model developed by the National Renewable Energy Lab, has been adapted for use in this application. This included the implementation of industry standard engine performance map and alternator efficiency map data in the ADVISOR model.; by Christopher William Hardin.; Thesis (S.M.)--Massachusetts Institute of Technology, Engineering Systems Division, Technology and Policy Program...

‣ Enterprise integration strategies across virtual extended enterprise networks : a case study of the F-35 Joint Strike Fighter Program enterprise

Glazner, Christopher G
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 184 p.; 8847878 bytes; 8855606 bytes; application/pdf; application/pdf
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Over the last decade, many companies in industries that produce complex and technologically-advanced products have begun to integrate their operations along the value chains of the primary products they design, produce or sustain. Increasingly, integration efforts have moved beyond the boundaries of the core or focal enterprise serving as the prime contractor or system integrator to span the entire value chain, to form virtual extended enterprises. These structures allow the members of the virtual extended enterprise to focus on their core competencies in order to collaboratively deliver a world-class product at a competitive price. While integration offers many benefits to enterprises, a high degree of integration is not always desirable or advantageous in a limited duration virtual extended enterprise composed of autonomous companies. Virtual extended enterprises must find a balance between decoupled collaboration and highly coupled integration, balancing the need to closely coordinate their efforts with the need protect the autonomy of their members. The objective of this research is to explore the extent to which a focal enterprise, such as a prime contractor or system integrator, should consider integration across its virtual extended enterprise...

‣ Quantifying emissions reductions from New England offshore wind energy resources

Berlinski, Michael Peter
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 80 p.; 5726229 bytes; 5729588 bytes; application/pdf; application/pdf
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Access to straightforward yet robust tools to quantify the impact of renewable energy resources on air emissions from fossil fuel power plants is important to governments aiming to improve air quality and reduce greenhouse gases at least cost. It is also important to renewable energy developers seeking to gather support and facilitate permitting of their projects. Due to the inherent complexities of the electric power system, it is difficult to determine the effects of renewable energy generators on emissions from fossil fuel power plants. Additionally, because there are a variety of methods for calculating "avoided emissions," which differ in complexity and transparency, and which provide dissimilar results, there remains uncertainty in estimating avoided emissions. Guidance from government authorities on which method to use is too flexible to provide a robust framework to enable decision makers to evaluate environmental solutions. This thesis informs decision making first by highlighting important issues to consider when analyzing the impact of renewable energy resources on emissions, then by reviewing current guidance on the matter, and finally by comparing existing methods of calculating avoided emissions. Several methods are further evaluated by applying them to potential offshore wind energy resources in New England...

‣ Investment in nuclear generation in a restricted electricity market : an analysis of risks and financing options

Berger, Raphael
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 225 p.; 38172123 bytes; 38171393 bytes; application/pdf; application/pdf
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Since the late 1970s, the US electric power industry has been undergoing major changes. The electric utility industry had mainly consisted of highly regulated, vertically integrated, local monopolies, providing customers with all electric services at rates determined by the state regulatory agency. Deregulation and restructuring in the power industry triggered a transition towards competition in electricity generation, due to the formation of competitive markets at the wholesale level - in some states, at the retail level as well. Since utilities can no longer price at cost-of-service rates, investors in electric generation capacity, like nuclear power, will face a different set of financial risks. Moreover, the economic context of volatile coal and gas prices, increasingly stringent NOx, S02 and mercury regulations, and growing support for C02 regulations will likely positively impact the value of nuclear capacity. Conversely, unresolved issues in the nuclear industry inherent to radioactive waste disposal, decommissioning and public opposition related to security concerns will likely penalize the building of new nuclear capacity. More importantly, regulatory delays in construction, mainly caused by the plant approval process by the Nuclear Regulatory Commission...

‣ The impact of large-scale solar photovoltaic adoption on prices and reliability in the New England power pool; Impact of large-scale solar PV adoption on prices and reliability in the New England power pool

Martin, Katherine C
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 64 p.; 3627551 bytes; 3630137 bytes; application/pdf; application/pdf
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The potential role of renewable energy in producing electricity in industrialized countries has been gaining attention as issues like climate change and high fossil fuel prices more frequently occupy the minds of the public and policymakers. The higher levels of these technologies in power systems that are anticipated, or at least believably envisioned, make inquiries about their likely impacts on power systems relevant. The intermittency of technologies like wind and solar photovoltaic (PV) systems drives debates about whether larger scale adoption of these technologies will increase the cost of maintaining power system reliability. A more general question is simply whether these technologies will be like conventional capacity in their interaction with the larger power system, both physically and economically. These issues relate to the higher-profile debates about standby charges and if they are warranted. To address these questions, in part, for the New England power pool this study uses detailed historical data in two ways: to analyze the potential impact of large-scale adoption of PV on wholesale power prices and to compare the generation of PV systems in New England to the typical operation of conventional peaking units.; (cont.) This study identifies incentives for owners of incumbent...

‣ The economic effects of surface transport deregulation

Li, Yong, 1974-
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 72 p.; 3477168 bytes; 3480107 bytes; application/pdf; application/pdf
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Over the past two decades, the deregulation of surface transport at both national and international levels has gathered momentum, particularly within the United States and European Union. The structural and performance changes associated with transport deregulation generated substantial redistribution of wealth among carriers, labor, . shippers, -and final customers and dramatically altered the costs and organization of transportation services. Many of these consequences were anticipated in the debate over deregulation; others have emerged during the regulatory transition. In general, economic regulation has led to net social benefits. This thesis will discuss the origin of transportation regulation and the forces for regulatory reform. The effects of the removal of economic control are assessed. It also examines the issues emerging after the deregulation and possibility for re-regulation in an effort to enhance safety and reduce the environmental impact of surface transport.; by Yong Li.; Thesis (S.M.)--Massachusetts Institute of Technology, Engineering Systems Division, Technology and Policy Program, 2002.; Includes bibliographical references (p. 71-72).

‣ An agent-based approach to HIV/AIDS epidemic modeling : a case study of Papua New Guinea; Agent-based approach to Human T-lymphotropic virus/Acquired immune deficiency syndrome epidemic modeling : a case study of Papua New Guinea

Rhee, Alisa Joy
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 133 p.; 6729976 bytes; 6735521 bytes; application/pdf; application/pdf
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Since AIDS was first discovered, mathematical models of the transmission dynamics of HIV have been developed to determine the drivers of the epidemic. It has become apparent that the most profound factor in the proliferation of this disease is the aggregate effects of individual behavior and perception of risk. Agent-based models (ABM) allow one to simulate the social and sexual interactions which may describe the societal context in which HIV may spread. Using this framework, I construct a simplified social and sexual network that represents Papua New Guinea. This country is used as a case study because it illustrates extremes in network topology. Papua New Guinea is characterized by geographic isolation of ethnic groups, such that ideas of behavior change, stigma reduction, and safe sex practices may spread very slowly. Furthermore, sexual networks in Papua New Guinea are complex and sexual violence and cultural practices may amplify the rate at which HIV is spread. Ultimately, the purpose of HIV transmission models is to hypothesize about drivers of the epidemic which will then shed light on appropriate interventions and prevention measures. ABMs facilitate the development of network-based public health interventions. Such interventions...