subject: How To Reduce The Iterations Of Design Tests [print this page] How to reduce the iterations of design tests
In order to reduce the iterations of design-propotype-test cyries, increase the product process and manufacturing reliability, it is necessary to guide in optimizing the product design and manufacturing; process through virtual prototype [VPI. VP is a process of using 3D CAD model, in lieu of a physical prototype, for testing and evaluation of specific characteristics of a product tic a manufartur}ing process. It is often carried out by CAE and virtual manufacturing system. Computer aided engineering [CAE) analysis is an integral part tit time-campres};ian technologies. Varitiux software tools available (i.e. AhISYS, MARL, I-DEAS, AUTUFf3RM. DYNAFDRM, etc.) ran speed up the development of new products by initiating design optimization before physical prototypes are built. The CAD rnvdel5 can be transferred to a CAE environment for an analysis of the product functional performance and of the manufacturing processes for producing the prtiducts comportment}. It has also proven to be of great value in the design optimization of part geometry, to determine its dimensions and shrinkage while minimizing process-induced residual stresses and deformations. Virtual manufacturing system (VM] is the natural extension of CAE. It simulates the product functionality and the processes for producing it prior to the development of physical prototype enable a designer to visualize and optimize a product process with a set of process parameter. The visualization of a virtually simulated part prior to physical fabrication helps to reduce unwanted prototype iterations. Therefore, a product virtual manufacturing system may result in accurate determination of the process parameters, and reduce the number of costly physical prototype iterations. 3D CAD model and VP allow most problems with unfitting to became obvious early in the product development process.
Assemblies can be verified far interference as VP can be exercised through a range of tasks. Structure and thermal analysis can be performed the same model employing CAE applications as well as simulating down-stream manufacturing processes. It is clear that VP increases process and product reliability. Although VP is intended to ensure that unsuitable designs are rejected or modified, in many cases, a visual and physical evaluation of the real component is needed. Tl}is often requires physical prototype to be produced. Hence, once the VP is finished. the model may often tie sent directly to physical fabrication.
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