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Engineering design process
Engineering design process
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NASA Crane The NASA Crane Project was a project in which we designed a crane out of cardboard and pencils and attached a cup with string to the end. The goal was to lift as many batteries as possible in the cups. You were not allowed to touch the cups and the only way that you could lift them was via a string that was wrapped around a pencil at the back of the crane that was twisted. Only 30 batteries could be in each cup, and to have more batteries you had to add more cups. We used the engineering design process greatly in this project. First we identified that we needed to lift batteries from the ground at least 6 inches. Next my partner and I established a blueprint or design for our crane. Next we built the crane while making minor adjustments here and there. Next, we tested it. After we tested it, we didn’t want to break it or strain it, so we only lifted a small amount. In this small amount, I could identify some problems with the design. We then fixed the …show more content…
The bridge would be 3-dimensional and have two sides. A bucket would be hung from one of the supports in the center connecting the two sides. Weight would be added until the bridge broke and could no longer hold it.
The engineering design process helped my two partners and I through this project. First, we identified the problem of needing to hold weight from the center of the bridge. Next, we established a very detailed design of our bridge and how much total wood was needed to build it. After spending much time on the design, we built the design. The building of the bridge took a long time to do and took much precision. Next we tested it and presented it all at one time. We realized what we could do to improve it if we ever do it again and what design flaws that we
“It was designed with a twenty-two foot roadway and one five-foot sidewalk” (Silver). The silver bridge is a very long bridge. “An eye-bar is a long steel plate having large circular ends with an "eye" or hole through which a pin is used to connect to other eyebars (to make a chain) or to other parts of the bridge.” according to Richard Fields. The whole bridge was built using the eye-bar suspension.
The Purpose of our Mouse Trap Car project was to find a way to use what we have learned from Physics and Newton's laws to make a mousetrap powered car. We had a goal to create a car out of material you already had that goes 3 or more meters across the room. We had to find a way to get all the parts and build it with nothing but glue and tape and whatever you had in you house. This challenged involved many aspects such as building/engineering, time management, focus, and most importantly science.
The population of the whooping cranes most definitely gets affected from precipitation, because the population gets affected negatively with high precipitation levels present, while positively with low precipitation levels. The population of the whooping cranes gets affected this way because if there were high precipitation levels for a year, the hatching success rate drastically decreases from the precipitation, who damages the eggs laid by the cranes. By either breaking the eggs, making the cranes not be present to incubate their eggs, or actually destroying the birds’ nests. Also, the high precipitation levels may even cause a few fatalities, which is a very serious problem involving this particular endangered species. While with low precipitation
The Golden Gate bridge, standing as an icon of roadway innovations, took multiple engineers years to design and complete. They could not just simply build an ordinary bridge. They had to take into consideration the physics behind it, as well as, what kind of effect the environment would have upon the bridge. The bridge sits along one of the most active fault lines in the world, so engineers had to make sure their bridge could withstand a little movement. Today the Golden Gate bridge still stands tried and true, as does many other innovations that 20th century engineers came up with.
The first and most challenging problem associated with building the Mackinac Bridge arrived long before the bridge was even designed. Financing such an enormous project was no easy feat. In 1928, the idea of connecting the upper and lower peninsulas was proposed to Congress for the first time (Brown 4). At the time, the suspected bridge project was very much under government scrutiny and control. In fact, the initial boost in interest in pursuing the construction of a bridge came about due to the depression. The Public Works Administration (PWA) had been created under President Franklin D. Roosevelt’s New Deal economic plan which would fund certain construction projects with th...
The enormous responsibility that an engineer has when designing a project is often overlooked. His or her job is not only to create a design that will work under ideal conditions, but that will meet the regulations of environmental and building codes and will also survive the unpredictable forces of nature that structures are sometimes subjected to. An article in the Seattle Daily Journal of Commerce, "Structures are Held up by Both Skill and Luck,"1 describes many risks involved in the designing process and the failures that can occur when small details are overlooked. In light of a recent surge of failures in the Northwest, the article says:
counterweight is hoisted up as high as possible it has lots and lots of potential
Putting together a project from start to finish is an enormous amount of work and there are steps to follow to make sure nothing is left unnoticed. This research will cover the majority of those steps.
The idea is that the designer first establishes rules and relations by which design components are connected to minimize the time and effort consumed in modifications, and to provide multiple solutions that could not be reachable by traditional methods. The parametric approach has been studied and analyzed by numerous academics and designers (Araya, S., 2006, pp.11-12; Gane, V., 2004, p.54; Hudson, R., 2008, pp.18-19; Llabres, E. and Rico, E., 2016). Most of them coincide describing it as a series of phases, which increase in the level of detail and precision, as they involve from preliminary concept to construction. Herein, the parametric design process starts with Design Exploration, in which background data and design problems are determined, including the design objectives, variables, and constraints. The second phase, Design Development, includes possible solutions for design problems and manipulations of design instances. Generation of alternative solutions are reviewed and evaluated in the Simulation / Evaluation phase, to satisfy project goals, and previously built constraints. After these explorations, a development is considered one single direction in the Manufacturing / Construction phase (Araya, S., 2006, p.12; Gane, V., 2004,
In her essay,”Importance of the Golden Gate Bridge,” Stephanie Stiavetti suggest that “It maintained this point of pride for nearly 25 years until the Verrazano- Narrows Bridge was built in New York in 1964. Today, this historic San Francisco landmark holds its place as the second largest suspension bridge in the country, behind Verrazano Narrows.” Back then, experts thought that it would be impossible to build a bridge across the tides and currents in that area because strong currents and tides would make construction extremely difficult and dangerous. The water is over 500 feet deep in the center of the channel, and along with the area's strong winds and thick fog, the idea of building a bridge there seemed nearly impossible. Despite all of the problems of building the bridge, Joseph Strauss was named as lead engineer for the project. Construction began January 5, 1933, and in the end cost more than $35 million to
In her essay,”Importance of the Golden Gate Bridge,” Stephanie Stiavetti suggest that “It maintained this point of pride for nearly 25 years until the Verrazano- Narrows Bridge was built in New York in 1964. Today, this historic San Francisco landmark holds its place as the second largest suspension bridge in the country, behind Verrazano Narrows.” Back then, experts thought that it would be impossible to build a bridge across the tides and currents in that area because strong currents and tides would make construction extremely difficult and dangerous. The water is over 500 feet deep in the center of the channel, and along with the area's strong winds and thick fog, the idea of building a bridge there seemed nearly impossible. Despite all of the problems of building a bridge across the Golden Gate, Joseph Strauss was named as lead engineer for the project. Construction began January 5, 1933, and in the end cost more than $35 million to
built, and after half the livestock and people had left the dry area, the bridge collapsed,
The purpose of the bridge was simple; connect the northern to the southern shore of the harbor. Many submissions were sent in by 1900 but they were deemed not fit for the bridge. After World War 1, the bridge finally gained momentum to be thought about once again. The general design by Dr. J J C Bradfield and officers of the NSW Department of Public Works was recognized and put into plan. The New South Wales Government then called out across the globe to see who would construct this bridge the best in 1922.
To begin to understand the mathematics behind building a bridge we need find out the different types of a bridges. The definition of a bridge is a structure carrying a road, path, or railroad across a geographic obstacle. There are three different types of bridges. They are: beam/arch bridges, suspension bridges, and truss bridges. Modern beam bridges usually span up to 200 feet, modern arch bridges can span across 800-1,000 feet, while Suspension bridges can span from 2,000-7,000 feet ("HowStuffWorks").
Engineering has evolved since the beginning of time. Most engineers have been successful due to trial and error. Thomas Jefferson, for instance, failed many times before creating the light bulb, which he is now famous for. Another popular trial and error procedure is the scientific method. Most researchers use the scientific method in order to get a successful result, or a not so successful outcome.