Bottom Up Design

Written by Adam Blau
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Engineers and designers can go about creating a project in several different ways. One of these methods is known as "bottom-up" design, in which a final project is constructed from scratch. The engineer essentially works from the ground up to create a given design.

In this method, the engineer will usually design a set of individual components for use in the larger whole. He or she will define and classify the component, assigning it a set of properties for the means in which it can and can't be used. The component's design is then stored in a central library in the engineer's computer or server, to be integrated into the final design when the time comes.

Bottom-up Design and CAD Programs

Different computer-aided design (CAD) programs work with bottom-up designs easily. For a CAD program to successfully work by this method, it should have a good part modeling interface in which it is easy to construct an individual component. The CAD program should be flexible enough that it can easily integrate the part into the larger final project with minimal adjustment from the engineer.

Bottom-up design also requires a CAD program to have a strong set of data management tools. It is necessary to be able to define and manage individual components easily, and to keep track of their usage in various locations in the final project. The CAD program should be able to perform a batch modification of a component, meaning that if it is changed in one place, you can alter all iterations of the component throughout the project.


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