Time：2015/6/3 16:07:01

CAE refers to computer aided engineering in engineering design, the structural mechanics by using the computer aided analysis for complex engineering and product performance, and optimize the structure performance, the project (production) of each link organically, the key is the information integration, so as to produce and exist in Engineering (product). The whole life cycle. The CAE software can be used for static structure analysis and dynamic analysis; study linear and nonlinear problems; analyze structures (solids), fluid, electromagnetic, etc..
Basic concept:
In a broad sense, the computer aided engineering includes a lot of, literally, it can include all aspects of engineering and manufacturing information, but the traditional CAE mainly refers to the analysis of performance and reliability of engineering and products by computer, the future of its working state and behavior simulation, early detection of design defects. And confirm the availability and reliability of the future project, function and performance of product. Here mainly refers to the CAE software.
CAE software can be divided into two categories: developed for specific types of projects or products for analysis, prediction and optimization of product performance of the software, called the special CAE software; physical and mechanical properties of various types of engineering and product analysis, simulation and prediction, evaluation and optimization, to achieve product technology innovative software, known as the general CAE software.
The main body of CAE software is the finite element analysis (FEA, Finite, Element, Analysis) software.
The basic idea of the finite element method is discretized with finite structure, easy analysis unit to represent the complex object unit connected via finite nodes, and then according to the condition of deformation compatibility of integrated solution. Since the number of units is limited, the number of nodes is finite, so it is called the finite element method. The flexibility of this method is very large. As long as the number of units is changed, the accuracy of the solution can be changed, and the solution which is infinitely close to the real situation can be obtained.
The core idea of the CAE system based on the finite element method is the discretization of the structure. According to the experience, the time used in each stage of CAE is 40% to 45% for model establishment and data input, and 50% ~ 55% are used for analysis and interpretation of the results, while the real analysis time is only about 5%.
CAE
CAD technology is used to establish the geometric model and physical model of CAE, and to complete the input of analysis data. This process is usually referred to as the pre-processing of CAE. Also, the results also need CAE graphics output CAD to create the image, such as generating displacement, the contour should force, temperature and pressure distribution diagram, said stress, temperature and pressure distribution of light color map, we call the process: CAE postprocessing. For different applications, CAE simulation can also be used to simulate parts, components, devices, and even the production line, the movement and operation of the factory