Concept explainers
To contact an engineer who works in a field of engineering and report his activities. Also, compare his activities with the job function provided in the text book.
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Answer to Problem 2.1EAA
Engineer’s job role- Thermal and Structural Analyst.
Explanation of Solution
I met a
When a turbocharger has to be produced, it has to undergo various stages such as design, drafting, analysis, testing and manufacturing. Analysis is a critical phase where the results are used to determine the impact of Thermal and Structural loads on Turbo chargers. In other words, the results help in evaluating whether the product will be able to withstand stresses and loads expected of it.
Structural Analysis incorporates the field of Strength of Materials, Applied Mathematics and Material Science to compute a structure’s deformations, internal forces, stresses, and support reactions. Modern computational techniques such as Finite Element Methods have been used for complex 3D models, wherein a component is divided into finite elements to get the results. So, the job requires him to use Finite Element Methods (FEM) along with traditional hand calculations to carry out the Thermal and Structural analysis of turbochargers and to get the results. He has to apply his
His contributions as a structural analyst will also help reduce the number of tests to be performed on the product. This in turn will save time, money and man power which otherwise is required for testing.
This role can be compared with ‘Analysis’ job function in the text book where an analysis engineer uses mathematical models and computational tools (FEM in the above case) to provide the necessary information (like cause of failure and input on redesign in the above example) to the design, development and research engineers to help them perform their function.
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Chapter 2 Solutions
ENGINEERING YOUR FUTURE
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