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AltairKorea
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Defeature hm10
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Defeature hm10
1.
Surface edit :
Defeature (definition) • Defeature - Surface에 존재하는 hole, surface fillet, edge fillet 등을 손쉽게 수정할 수 있는 기능 • 실행 - Menu bar > Geometry > defeature 선택 • Sub-panel list (summary) - Pinholes : surface에 포함된 hole을 찾아서 제거, 수정된 hole은 중심부에 fixed point가 생성됨 - Surf fillet : surface fillet 부분을 찾아서 수정 - Edge fillet : surface edge의 fillet을 찾아서 수정 - Duplicate : Duplicate 된 surface를 찾아서 삭제 - Symmetry : 단일 component내에서 symmetry된 surface를 찾고, reorganize 또는 delete Altair Proprietary and Confidential Information Copyright © 2008 Altair Engineering, Inc. All rights reserved.
2.
Surface edit :
Defeature (pinholes) • Pinholes panel - Surface가 가지는 hole을 찾고, 삭제하는 기능 - Diameter < field에 입력된 값 보다 작은 직경을 가지는 hole을 찾음 - Pinholes이 제거된 위치에는 Fixed point가 자동으로 생성됨 • Mesh 생성시에 영향을 주기 때문에 불 필요 시 삭제 (quick edit) Surf Hole 제거 후 fixed point 자동생성 Altair Proprietary and Confidential Information Copyright © 2008 Altair Engineering, Inc. All rights reserved.
3.
Surface edit :
Defeature (surf fillets) • Detect Surface Fillets panel : 조건에 맞는 surface fillet을 찾음 을 - Find fillets by profiles : Geometry의 surface line을 선택하여 surface fillet을 찾음 - Find fillets in selected : 선택한 surface에서 최대 최소 반경내에 있는 surface fillet을 찾음 • Remove surface fillets : 찾아진 surface fillet을 삭제하고 자동으로 수정 을 - Detect surface fillets panel에서 find 버튼을 클릭하면 자동으로 해당 panel로 이동함 - Fillets to remove : surface를 선택하고 remove 버튼을 클릭하여 수정 - Ignore edge assoc : 선택된 line을 surface edge로 가지는 fillet은 제거되지 않게 하는 기능 - Fillet ends : surface fillet을 제거할 범위를 지정 Altair Proprietary and Confidential Information Copyright © 2008 Altair Engineering, Inc. All rights reserved.
4.
Surface edit :
Defeature (surf fillets-example) • Process 1. Line 또는 Surface 선택 • find fillets in selected에서 surface를 모두 선택하고, 최대 최소 반경 값을 입력 (Ex. min radius = 1, max radius = 15)하고 find를 클릭 • 선택 해제 : surface를 마우스 3번으로 클릭 Altair Proprietary and Confidential Information Copyright © 2008 Altair Engineering, Inc. All rights reserved.
5.
Surface edit :
Defeature (surf fillets-example) 2. Remove 버튼을 클릭하면 선택된 surface fillet이 제거됨 이 Altair Proprietary and Confidential Information Copyright © 2008 Altair Engineering, Inc. All rights reserved.
6.
Surface edit :
Defeature (Edge fillets) • Replace planar surface edge fillets - Min, Max radius : fillet을 찾기 위한 최소/최대 반경을 정의 - Min angle : minimum angle allowed at the interior angle formed by the intersection of the tangents to the edges calculated at the start and end of the fillet - All(default), fillets, rounds : 찾고자 하는 edge의 type을 정의 - Trim – intersect : 선택한 node 사이에 존재하는 fillet을 제거 Altair Proprietary and Confidential Information Copyright © 2008 Altair Engineering, Inc. All rights reserved.
7.
Surface edit :
Defeature (Edge fillets : example) • General Process 1. edge fillet을 가지는 surface를 선택 (전체 surface의 경우 by display로 선택) 2. Min/max radius, min angle을 그림과 같이 입력하고, type을 all(default) 로 선택 3. Find 버튼 을 클릭하면 정의한 수의 조건에 맞는 fillet이 찾아짐 (F : fillet, R : round) 4. Remove 버튼 을 클릭하면 edge fillet이 삭제됨 < Self-intersection > Surf Find edge fillet Surf 1 2 Remove Altair Proprietary and Confidential Information Copyright © 2008 Altair Engineering, Inc. All rights reserved.
8.
Surface edit :
Defeature (duplicates) • Find and delete duplicate surfaces - 선택된 surface에서 서로 중복된 surface를 찾고 삭제하는 기능 - Cleanup tol : surface간의 허용 오차를 정의 - Process : surface 선택 (왼쪽 그림) > find 클릭 (오른쪽 그림) > delete 버튼 클릭하여 중복 surface 삭제 중복 surface를 삭제 를 찾고자 하는 Surface 선택 Altair Proprietary and Confidential Information Copyright © 2008 Altair Engineering, Inc. All rights reserved.
9.
Surface edit :
Defeature (symmetry) • Find symmetrical surfaces - Symmetry 형상을 mesh하기 위해서 symmetry surface를 찾고, 새로운 component로 organize 하거나 삭제하는 기능을 수행 - Find symmetry : 단일 component내에서 user가 정의한 symmetry plane에 따라 symmetry surface를 찾음 - Compare : 다른 component 사이에 있는 symmetry surface를 찾음 - Reorganize : 찾아진 symmetry surface를 새로운 component로 reorganize - Delete positive : 선택한 축을 normal로 갖는 평면 (x축의 경우 y-z plane)의 positive 방향의 surface 삭제 - Delete negative : Delete positive와는 반대로 negative 방향의 surface 삭제 Altair Proprietary and Confidential Information Copyright © 2008 Altair Engineering, Inc. All rights reserved.
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