搜索The Non-Linear Forming Limit Diagram-FLD成型極限圖類型
2017-07-26 by:CAE仿真在線 來源:互聯(lián)網(wǎng)
The Non-Linear Forming Limit DiagramThe Forming Limit Diagram (FLD) is the fundamental tool which is used to judge whether a formed sheet metal part is predicted to fail or pass, when analyzing simulation results. The “standard” FLD assumes a linear strain path, however, strain paths are not always linear in reality.
Non-linear strain paths usually begin occurring in secondary and subsequent forming operations, especially when the material is formed in the reverse or opposite direction. Therefore, if only a linear FLD is considered in a multi stage sheet metal forming simulation, it is possible that a non-linear failure mode may be overlooked. Therefore, non-linear FLD analysis is required in many cases before a sheet metal forming simulation can be given a “pass”. we uses AutoForm Incremental and non-linear FLD analysis is an integral part of this software. [Left: Standard Linear FLD. Right: Non-linear FLD showing additional failure mode]
If you are concerned that your simulation provider is not capturing non-linear failures, StampingSimulation can show you how to ensure this potential failure mode is not overlooked. Get started by contacting us OR by sending us your 3D product or tooling data. Non-linear analysis (when required) is always part of any SimulateLite or SimulateComplete simulation job.
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