2013
DOI: 10.4028/www.scientific.net/kem.535-536.235
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Accurate Prediction Approach of 3D Trimming Line for Auto Panel Part

Abstract: It is difficult to obtain 3D trimming line using traditional prediction methods for auto panel parts. An initial geometrical development method with element layer is proposed based on one step inverse analysis theory for this problem. The flange mesh can be unfold onto the die surface layer by layer according to nodal adjacent element relation, then the above development mesh is smoothed by mesh smoothing method with sliding constraint surface in order to delete overlap and distorted mesh, the 3D initial mesh … Show more

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Cited by 1 publication
(3 citation statements)
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“…But it can only develop the quasi-vertical walls and cannot unfold the undercutting flanges. Chung and Bao [12,13] develop the undercutting flanges by geometrical unfold method layer by layer. However it needs to smooth the mesh after each step and leads to low efficiency for the complicated undercutting flanges.…”
Section: Initial Guess Mesh Generationmentioning
confidence: 99%
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“…But it can only develop the quasi-vertical walls and cannot unfold the undercutting flanges. Chung and Bao [12,13] develop the undercutting flanges by geometrical unfold method layer by layer. However it needs to smooth the mesh after each step and leads to low efficiency for the complicated undercutting flanges.…”
Section: Initial Guess Mesh Generationmentioning
confidence: 99%
“…The new geometrical development method in triangle mesh parameterization way adopts the theory presented in literature [13]: utilizing geometric intrinsic properties of triangles to represent the shape of a triangle. Fig.…”
Section: Triangle Mesh Parameterizationmentioning
confidence: 99%
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