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SolidWorks is a 3D solid modeling package which allows users to develop full solid models in a simulated environment for both design and analysis. In SolidWorks, you sketch ideas and experiment with different designs to create 3D models. Because we wanted to use 3D data at more points in our development process, we chose the system with the most momentum, knowing that it would produce additional opportunities for integration. SolidWorks is used by students, designers, engineers, and other professionals to produce simple and complex parts, assemblies, and drawings.
Designing in a modeling package such as SolidWorks is beneficial because it saves time, effort, and money that would otherwise be spent prototyping the design. Before we begin looking at the software, it is important to understand the different components that make up a SolidWorks model. The first, and most basic element of a SolidWorks model is a Part. Parts consist of primitive geometry and features such as extrudes, revolutions, lofts, sweeps, etc. Parts will be the building blocks for all of the models that you will create 9.
SolidWorks Components - Assemblies The second component is the assembly. Assemblies are collections of parts which are assembled in a particular fashion using mates constraints. Any complex model will usually consist of one, or many assemblies. The third, and final component in SolidWorks is the Drawing.
A drawing is the typical way to represent a 3D model such that any engineer or manufacturer can recreate your part. Drawings are important because they provide a standard way of sharing your design.
By default, no file is opened automatically when you start the program. This will open the New SolidWorks Document wizard.
It is not required to add dimension on sketch before use them to create a feature Fully Defiend Sketch: the position of all entities are fully described, and all the entities are BLACK Under Defined Sketch: additional dimensions or relations are needed to completely specify the geometry, under defiened entities are BLUE Over Defiened Sketch, an object has conflicting dimensions or relations, or both. Over defined entities are RED. Over defined Sketch Total views 26, On Slideshare 0.
From embeds 0. Number of embeds 4. Downloads 2, This requires close cooperation of the design team, the architects, the engineers, and the client at all project stages.
Green Building Council. Currently World Green Building Council is doing research on how green buildings affect health and productivity of their users. Sustainability may be defined as meeting the needs of present generations without compromising the ability of future generations to meet their needs.
Green construction principles can easily be applied to retrofit work as well as new construction. General Services Administration found 12 sustainably designed buildings cost less to operate and have excellent energy performance. In addition, occupants were more satisfied with the overall building than those in typical commercial buildings.
These are eco friendly buildings 3. The history of green building dates back much further than the 's. It was in the midst of the industrial revolution that Henri Becquerel first witnessed the transformation of solar energy into electrical energy, known as photovoltaic power.
Around this time, the late 's to early 's, a number of solar power plants were built to utilize the sun's energy for steam power. Then, in the 's, solar energy was used on an extremely small-scale, making way for the solar panel solution twenty years later. Builders and designers were looking for a way to reduce the reliance of buildings and homes on fossil fuels. Solar panels were used to make more environmentally friendly homes, although only in small numbers due to high initial costs.
Also, during this transition period, designers and consumers started wondering, if solar panels can make buildings more efficient, lower energy bills, and reduce the negative impact on the environment, what other steps can be taken to build even greener homes?
Now, Eco construction involves so much more than simply using solar panels. Building materials are a huge concern. Even today, the building industry in the United States uses up forty percent of all raw materials.
Any reduction through the use of sustainable, recycled materials will have a huge impact on resource preservation. However it saves much more money from the moment of creating during its lifetime as ordinary buildings. It works with any kind of green structures — office buildings, schools, churches, factories and others type of buildings. Designing and building green structures cost approximately the same as regular buildings.
Even if they are higher in cost a little bit, because of some special requirements, during their usage they save so much energy that the money spent on its creation will return at least 10 times. So there is no significant difference in prices. A green building can be expensive as much as a conventional building. Studies proved that those buildings which are built with wood will have a lower embodied energy than buildings made of brick, steel or other materials.
What about operating energy? Designers try to find solutions to reduce it too. They use extra-insulation, high- performance windows, and passive solar design. The latter is very efficient especially if the windows are effectively placed. Also other ways of renewable energy are used too. Wind power and hydro power can also notably reduce the influence on environment. Water can be wasted by drip irrigation, leaking toilet leaking can waste up to 90 gallons per day , pool showers. Recycling rainwater and using it for toilet flushing can save waste-water.
Water saving shower heads, ultra-low flush toilets and other conserving fixtures can minimize waste-water. Urban heat island effect is caused mostly by the heat holding properties of tall buildings and urban often toxic materials — asphalt, concrete. It can be compensated by more green areas around the buildings such as green roofs and rain gardens. It can be powered in different ways — passively, naturally or mechanically.
During construction low or zero emission materials are used. Most materials used for ordinary buildings are toxic, some of them radiate gases or include volatile organic compounds. According to the data of the US Environmental Protection Agency indoor air pollution can be times worse than outdoor air quality.
It can cause early asthma and other respiratory disease. Another considerable feature of air quality is the control of dampness. If ventilation from bathrooms, kitchen and other isolated rooms is bad, it can lead to mold growth, dust mites or to the emergence of other bacteria.
To avoid this problem effective ventilation system is not always enough; well-insulated building envelop is also needed. The environmentally friendly circumstances of green building create healthier atmosphere. Also as far as natural sources were used during its construction, they are not destroyed so quickly 9. People are becoming less sick, they are more productive and their impact on work is more high and effective. A study made in Seattle among 31 green buildings showed that in LEED-certified buildings the absence of employee was decreased into 40 percent.
Another research showed 30 percent less sick days plus a 10 percent growth income per employee. This way green office is more attractive and retaining for employees. Lial, Raymond N. Harrison Caron H. Keown excel solutions Foundations of Finance 7e Arthur J.
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