麦格纳汽车技术(上海)有限公司 FEDIS 热分析

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型号：: FEDIS

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Many complex components, especially cast and forged parts, have a multitude of fillets that represent typical starting points for cracks. In order to produce a comprehensive evaluation of operating strength, exact stress amplitudes are required, as they play a major role in fatigue life. In order to reach these low error limits (e.g. 5%) a very fine FE mesh is required. As the highly loaded zones are mostly not known before the analysis, the fine, general meshing leads to very large FE models and therefore to very long modeling and analysis time generating high simulation costs. It is often impossible to analyze FE models with a mesh fine enough because the performance of today’s computers is still insufficient.
FEDIS was developed to standardize this method, improving simulation speed and precision while reducing CAE efforts and CPU time.

FEDIS is a high advanced FE submodelling tool for all intents and purposes.

Easy modelling of submodel (free mesh subdivision and element type)

Stress accuracy is the same as a continously fine overall model

Computing times remain very short; iterative equation solvers are particularly efficient

With the transition from an overall model to a submodel any changes can be made in terms of element topology (shape of elements and order of polynomial Ansatz functions).

FEDIS special capabilities enable transitions from “lower-quality” to “higher-quality” elements.