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Mesh-Intro 14.0 L-04 Meshing Methods

Apr 14, 2018

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  • 7/27/2019 Mesh-Intro 14.0 L-04 Meshing Methods

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    2011 AN, I. 18, 20121 14.0

    14. 0

    I AN

    M

    L 4M M

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    2011 AN, I. 18, 20122 14.0

    M M

    A M D H M CC

    M 2D M M B

    D M

    I

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    2011 AN, I. 18, 20123 14.0

    Sketches andPlanes

    Geometry ImportOptions

    3D Operations

    Direct CAD/Bi-Directional CAD

    GeometryCleanup and

    Repair

    AutomaticCleanup

    Merge, Connect,Projection, Flow

    Volume

    Extraction, etc

    Extrude, Revolve,

    Sweep, etc

    3D Operations

    Boolean, BodyOperations, Split,

    etc

    MeshingMethods

    Hybrid Mesh: Tet,

    Prisms, Pyramids

    Hexa Dominant,

    Sweep meshing

    Global Mesh

    Settings

    Local MeshSettings

    Sizing,

    Body/Sphere ofInfluence, Match

    Control, etc

    G C

    G I

    G

    M

    Assembly

    Meshing

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    2011 AN, I. 18, 20124 14.0

    I , M, I > M

    , G , () ,

    , I > M

    M , A, , ,

    (A

    )

    I M

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    2011 AN, I. 18, 20125 14.0

    A M

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    2011 AN, I. 18, 20126 14.0

    M B

    C C M A

    A

    D C &

    A D M C M

    A

    A M

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    2011 AN, I. 18, 20127 14.0

    M

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    2011 AN, I. 18, 20128 14.0

    M B

    G : C

    I

    M

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    2011 AN, I. 18, 20129 14.0

    M & A B

    B : M , A

    ( )

    G () CAD

    /

    A

    I M A

    C

    M: C

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    2011 AN, I. 18, 201210 14.0

    M & A B

    : F,

    , G

    () CAD

    M D

    A I M

    A

    I

    M: I

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    2011 AN, I. 18, 201211 14.0

    M: AC

    Geometry containingsmall details

    Patch Conforming: Allgeometric detail is

    captured

    Patch Independent: Canignore and defeature

    geometry

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    2011 AN, I. 18, 201212 14.0

    C

    M C

    G & L C

    A

    / G C

    D G & L C

    C

    M: C

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    2011 AN, I. 18, 201213 14.0

    I

    I

    I D

    A &

    M: C

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    2011 AN, I. 18, 201214 14.0

    I

    D C M B D

    D

    A N

    M: C

    = 0.03. > 0.03

    .

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    2011 AN, I. 18, 201215 14.0

    A /B L

    :

    CFD

    E

    M

    C C I

    I I G / L

    M: I

    Inflation preview

    Tet + Prisms

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    2011 AN, I. 18, 201216 14.0

    C

    C CAD,

    I

    D CAD,

    M: A

    E

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    2011 AN, I. 18, 201217 14.0

    H M

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    2011 AN, I. 18, 201218 14.0

    H M

    F

    E I A

    M A

    M

    H D ( M)I

    C

    I

    I

    Tet Mesh

    Elements: 48K

    Sweep Mesh

    Elements: 19K

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    2011 AN, I. 18, 201219 14.0

    M B

    M , G /

    B , (

    ) A

    A

    I M

    M

    F F

    F()

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    2011 AN, I. 18, 201220 14.0

    / (/ )

    A A

    M & M ( )

    A & M

    M

    Sweep Direction Source Face Target Face

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    2011 AN, I. 18, 201221 14.0

    / B

    A .

    &

    I

    &

    ,

    M

    Sweep Mesh No inflation

    Automatic Selection

    Sweep Mesh with inflation

    Manual Selection

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    2011 AN, I. 18, 201222 14.0

    E: /

    &

    F &

    M

    Sweep Mesh: Wedgeand Hex elements

    Manual Source &Target Selection

    TargetFace

    SourceFace

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    2011 AN, I. 18, 201223 14.0

    Target

    / : A

    & M

    A

    &

    D

    &

    M

    SourceFaces

    Source FacesImprinted on Target

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    2011 AN, I. 18, 201224 14.0

    M

    H I

    AN M M > B

    RMB on Mesh to find

    sweepable bodies

    Geometry Sweepable bodies in

    green color

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    2011 AN, I. 18, 201225 14.0

    M

    H E B

    B

    D CAD/DM E 1

    Unsweepable body

    Decomposed inCAD/DM

    Sweepable!

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    2011 AN, I. 18, 201226 14.0

    E 2

    M

    T Junction GeometryUnsweepable

    Decomposed in

    CAD/DM

    Sweepable!

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    2011 AN, I. 18, 201227 14.0

    M B

    B AN ICEM

    CFD H

    A

    &

    G ,

    .

    C C &

    B H M ( / ) C C

    A

    I M M

    M M

    MultiZone

    Mesh

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    2011 AN, I. 18, 201228 14.0

    E 1

    / A E

    M M

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    2011 AN, I. 18, 201229 14.0

    E 2

    B , M

    F M

    F M

    , ,

    (, /, )

    M M

    Free MeshTetra

    Free MeshHexa Core

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    2011 AN, I. 18, 201230 14.0

    A M

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    2011 AN, I. 18, 201231 14.0

    M B

    M

    A

    & & &

    A

    A CC/

    A M M

    A M

    0

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    2011 AN, I. 18, 201232 14.0

    C

    / CFD/F A F

    I G L &

    CC M ( = 40)

    , 0 .

    ()

    A

    A M

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    2011 AN, I. 18, 201233 14.0

    CC M C

    C

    :

    , .

    C

    A

    , , .

    A ( )

    /

    A

    A M: C

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    2011 AN, I. 18, 201234 14.0

    A M

    B E

    ( ) CAD

    Material

    point

    Assembly

    CappingFace

    Handling face-edge

    connectivity

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    2011 AN, I. 18, 201235 14.0

    A M: F E

    1

    B

    1. D C F

    2. I B

    3. A C M

    B

    2

    3

    Material

    Point

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    2011 AN, I. 18, 201236 14.0

    C M M

    F

    CAD/DM

    A

    3

    ,

    .

    I

    F CC

    M . M

    M

    .

    M A M

    G M C L.

    A M L

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    2011 AN, I. 18, 201237 14.0

    2D M

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    2011 AN, I. 18, 201238 14.0

    C M A (

    ) & A

    A

    I M / &

    A N

    M 2D M

    Automatic Triangles

    UniformQuad

    UniformQuad/Tri

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    2011 AN, I. 18, 201239 14.0

    M M

    F /

    C L M C

    2D I

    3D

    B

    2D M C & I

    MappedControl

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    2011 AN, I. 18, 201240 14.0

    AN FLEN

    F 2D FLEN (=0).

    F 0

    I AN M, ,

    .

    FLEN 2D

    AN CF

    F 2D CF, ( ) 1

    , ..,

    B 2D

    (< 5) 2D A

    2D M G

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    2011 AN, I. 18, 201241 14.0

    M M B

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    2011 AN, I. 18, 201242 14.0

    M

    M?

    M?

    B

    M ( ) A

    ,

    E

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    2011 AN, I. 18, 201243 14.0

    L

    M

    ( )

    A/ ()

    M

    Meshing first the block then the pipeMeshing first the pipe then the block

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    2011 AN, I. 18, 201244 14.0

    M

    M C M

    N

    E; M

    M

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    2011 AN, I. 18, 201245 14.0

    B

    F , C

    A > A: A

    (/) ()

    A: A

    ()

    E; G .

    M

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    2011 AN, I. 18, 201246 14.0

    2 I M

    M

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    2011 AN, I. 18, 201247 14.0

    A

    C

    H D M M B & C G M I M C M

    I

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    2011 AN, I. 18, 201248 14.0

    H D M

    CFD CFD

    A MB M

    IM DM H D

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    2011 AN, I. 18, 201249 14.0

    H D M

    E:

    Geometry withvalve inside

    Due to valve sweepmethod cannot beused

    Hex DominantMesh generated

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    2011 AN, I. 18, 201250 14.0

    H D M

    F () F M

    D ( )

    / A

    M

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    2011 AN, I. 18, 201251 14.0

    H D M

    E:

    Geometry withvalve inside

    Free Face Mesh Type:Quad/Tri

    Free Face Mesh Type:All Quad

    Higher no. ofelements

    Lower no. of

    elements

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    2011 AN, I. 18, 201252 14.0

    H D M

    E: H D M E

    Hex Dominant Mesh

    He

    x

    Tet

    Pyram

    id

    Wedge

    M

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    2011 AN, I. 18, 201253 14.0

    M

    C: F () M

    Sweepable Geometry

    Source faceelements: Only

    Quad

    Source face

    elements: Quadplus Tri

    Source faceelements: Only Tri

    Type: All Quad

    Type: Quad/Tri

    Type: All Tri

    M

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    2011 AN, I. 18, 201254 14.0

    M

    C:

    Element size inswept direction

    2mm

    No. of elements inswept direction: 10

    Sweep Element Size

    Sweep Num Divisions

    Sweepable Geometry

    N D > 1000. I > 1000

    M

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    2011 AN, I. 18, 201255 14.0

    M

    C: B

    Uniform mesh

    Cells areconcentrated on

    one side

    No Bias

    With Bias

    Sweepable Geometry

    M : C

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    2011 AN, I. 18, 201256 14.0

    M : C

    M I

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    2011 AN, I. 18, 201257 14.0

    M I

    M I

    M C

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    2011 AN, I. 18, 201258 14.0

    M C

    F ,

    M

    M

    M

    ( CE

    )

    Gap

    Gap removed atmesh level

    Connected Mesh

    M: E

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    2011 AN, I. 18, 201259 14.0

    M: E

    Edge colored by the number of connected faces

    Automatic generation of mesh connections

    Mesh connectivity can be shown also after meshing

    Ability to find mappable faces

    M: I

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    E

    M: I

    Smooth Transition Off (default) Smooth Transition On