Vensim 6.0b Portable
Anastacia Iacono
همچنین آموزش نرم افزار vensim توسط پاپولی آماده شده است. این آموزش به صورت پارسی و دارای فایل word جهت اعمال تغییرات دلخواه و فایل pwer point جهت پروژه می باشد.
The rapid urbanisation of the previous century increased the number of slum communities, which had a variety of negative effects and is today considered a severe problem for developing countries. This research highlights the difficulties of slum development that must be overcome to increase the potential and capacities of slum dwellers. By giving people the opportunity to participate in a \"Learn to Earn Program,\" the slum will stop being a drain on the economy and instead become a driver. Slums are becoming an inescapable fact of life in many nations, especially in emerging nations. Although there are many slum upgrading strategies and techniques to alleviate urban poverty in emerging nations, the issue is only projected to become worse. In fact, the number of slum inhabitants has increased. Other governmental strategies that attempted to remove slums failed to consider the resources and opportunities that slums present. This is a reference to the requirement to modify the methods used in the development processes. Slums have negative effects on the environment and natural resources in addition to the issues they bring to humans. From this perspective, sustainable development is the primary means of achieving a genuine boom in the developing world, which confirms the necessity of improving slums holistically. As a result, this article embraces the idea of investing in the community\'s good features while also creating a comprehensive framework based on the three sustainability pillars of the economy, society, and environment.
The development of slum dwellings is covered in this chapter. In the study literature, the reasons for expanding slums are addressed, and the characteristics of slums are also given. These slum characteristics and resources spark a debate about how to make slum existence sustainable. The conventional approach to the modernist approach, sustainable policy for the betterment of slums, and self-regulatory actions among residents of slum regions are all hot topics of discussion among scholars who are working on the sustainable development of slums. An overview of three theories found in the literature that address the complex issues of slum living and its sustainable development is provided. Critical discussion is also had on the many strategies that may be used to make slum living more sustainable.
Many of the measures adopted to solve the problems in slums did not consider the resources supplied by these slums, and many slums have shown difficulty dealing with them for a variety of reasons, including a lack of land, financing constraints, and/or the challenge of providing infrastructure. Furthermore, many measures that have been put into place as part of various slum development projects neglect to consider sustainability over the long term. The purpose of this essay is to implement the sustainability plan, which has three pillars, by identifying these unofficial groups and participating in their positive aspects. The study initially discusses the benefits of slum communities to leverage their vibrant traits to go toward this aim. Second, the analysis is built on a strategy that considers the economy, society, and environment as the three pillars of sustainability. Many poor countries are the source of these efficient methods. Successful strategies have been derived from Egypt, India, the Philippines, Brazil, Nepal, Indonesia, and Kenya. Case studies were chosen to examine every aspect of the study methodology that resulted from the three pillars of sustainability. Each case study provides one or more aspects for the technique to be covered by the sum of all the instances.
The examination of policies regarding shanty town residents' access to housing uses the system dynamics technique. This approach considers the interdependence of the various elements contributing to a problem. This dependency causes feedback loops to arise. Additionally, this technique enables the inclusion of nonlinear interactions as well as temporal gaps between the causes and consequences of a given policy.
A causal diagram has been created using the Vensim DSS programme, version 6.0b, to make the most of these features. This processing has been built on the systems archetype of counterproductive remedies or fast fixes that don't work [1]. This archetype is predicated on the idea that every choice has immediate and long-term effects. These results frequently conflict. The immediate issue is resolved if a quick fix is used, but the long-term issue will worsen due to the unintended consequences of this solution.[2]
According to UN-HABITAT, a "slum" is a region that exhibits several traits, including being overcrowded, having inferior housing structures, having insecure housing situations, and not having enough access to safe drinking water, sanitary facilities, or infrastructure. Furthermore, one characteristic of these settlements is the absence of necessary civic amenities like sidewalks, streetlights, and paved roads to reach the emergency. Similar barriers prevent the general public from entering hospitals, schools, and other public buildings. Poor living conditions, unemployment, and urban decline are common characteristics of slums. In the past, they have been linked to societal issues like crime, drug abuse, and high rates of mental illness. As a result of malnutrition, unsanitary living circumstances, and a lack of access to basic medical care, they also have significant disease rates.[1]
Slums in Figure: Slums are home to a quarter of all urban inhabitants globally, according to [1]. 863 million people, or one-third of the population of developing nations, are estimated to reside in slums around the globe, according to UN-Habitat estimates. According to the same report, more than half (61.7%) of Africa's urban population resides in slums. In Asia, which is currently home to half of the world's urban population, 30% of the urban population lives in slums, according to the State of the World Cities Report [3]. Even though the percentage of people living in slums has decreased in the developing world from 39% in the year 2000 to 32% in 2010, showing that some countries are improving the lives of the urban poor, the number of slum dwellers has increased significantly and is expected to do so in the near future.
Causes of slums: Industrialization and rapid urbanisation have caused slums to grow. Slums are expanding due to urbanisation, land prices that are high, a shortage of cheap housing, and these issues [4]. A major lack of political will, ineffective policies, bad administration, fraud, unethical regulations, dysfunctional land markets, and financial institutions that don't cooperate all contribute to slums. All of these flaws exacerbate the misery of individuals who are already very poor and obstruct the tremendous potential for personal development that urban life offers.
The Positive Aspect of Slums: Many individuals who see slums as a problem that has to be eradicated agree on all the negative aspects of slum life but frequently fail to see the advantages. It's important to consider the good, vibrant, and active aspects of slum communities. Despite being hives of entrepreneurial activity, these urban neighbourhoods' residents are less likely to notice changes in their standard of living due to their less developed physical environment. Even if they have the opportunity to make a large contribution to local capital development through self-built dwellings, their lives are insecure due to the lack of even the most minimal government involvement, which would encourage and support private investment. However, for residents and job seekers, slums are desirable metropolitan areas.
In emerging countries, slums are often where the city's major workforce dwells. Slum dwellers significantly boost the border economy by providing the government sector with a range of necessary goods and services. The informal economy makes a sizable financial contribution to the country. According to economists in the informal sector like Hernando De Soto [5]the poor are sitting on enormous amounts of dead capital.
The human right to live in reasonable conditions and with basic dignity serves as the primary justification for slum rehabilitation. On another level, it's critical to renovate current slums and stop the growth of new ones. Governments run the risk of losing control of the populace if slums deteriorate and become hubs for disease and crime that affect the entire city. [3] A city gains from slum improvement by:
To solve the serious environmental issues of climate change, global warming, and resource depletion caused by human activities, sustainable development must be promoted. To improve slum living, a complex strategy incorporating ties in the economic, environmental, social, and cultural sectors is required. [3] They are in line with the objective of sustainable urban slum development, which is to create economically successful urban neighbourhoods that are admired for their accessibility to essential facilities and suitable urban environments on a cultural and social level. Giving slum people control over their neighbourhoods is crucial for the sustained development of slum life. The notion that sustainable development is a crucial instrument for poor nations to achieve significant achievements supports the necessity for building slums responsibly.
Every day, ten million slum residents in Mumbai, India, go without access to potable water. The Slum Water Program (SWP), a community-driven, decentralised comprehensive water programme, was developed by Reach Out Water Solutions (ROWS) to better serve the decentralised water infrastructure needs of Mumbai's slum inhabitants. Quantity, quality, access, and management are the fundamental four elements of an effective, long-term water solution. This approach directly addresses the anticipated water needs of customers, resulting in a product that saves the user's time, improves his health, and provides him with the maximum amount of water while reducing the user's current water cost. According to the project's administrators, the SWP serves as a template for self-sustainability and cost recovery in slums all over the world.
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