Initial Configuration of a Blank in Sheet Metal Forming Simulation
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United States of America Patent
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Issued Date -
Feb 14, 2013
app pub date -
Aug 11, 2011
filing date -
Aug 11, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An improved system and method of creating an initial configuration of a finite element mesh model of a blank sheet metal used in a computer simulation of sheet metal forming process is disclosed. According to one aspect of the present invention, the finite element mesh model of the blank is initially configured as a flat plate without any weight before performing the gravity loading phase of the simulation. A user-specified initial imperfection is then applied to the initial flat plate model so that a desired bent shape occurs predictably.
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