Introduction to Engineering Analysis for Designers: Part 3
3. Set the appropriate boundary conditions
The most common analyses designers perform are strength stiffness analysis, thermal analysis and eigenvalue analysis. The boundary conditions for each one of these analyses are different and they will depend on the setting of loads and constraints. In this chapter, we will examine the influence of boundary conditions, which are at the core of the designer’s choices, on the analysis results.
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Introduction to Engineering Analysis for Designers
2. Mesh for accuracy
To perform most of Finite Element Analysis (FEA), a method widely used in Computer Aided Engineering (CAE), the object of analysis must be divided into one or more types of mesh. The shape is then represented as a set of simple, small and straight elements, as shown in Fig. 1, so that the shape of the object can be easily translated into the calculations.
Introduction to Engineering Analysis for Designers
1. Know the basics
The number of companies introducing Computer Aided Engineering (CAE) software with 3D Computer Aided Design (CAD) capabilities is continually increasing. This allows evaluating and altering mechanical properties such as stiffness, strength, fatigue failure, thermal expansion or thermal stress by the reciprocal use of simulation and design in the initial stages of the development process. Being able to evaluate quality changes due to various characteristics of the design process allows you to find different ways of diversifying your design.
Topology optimization is a novel and rapidly growing field of structural mechanics that offers great techniques to produce optimal designs. It is a mathematically complex and challenging field, and its development has often been refrained by conceptual inconsistencies and terminological confusion. It is the purpose of this article to give a conceptual explanation of topology optimization, and, by extension, of optimization in general.