FEA02

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    FE Modeling Strategy

    Decide on details from design

    Find smallest dimension of interest

    Pick element types

    1D Beams

    2D Plate or Shell

    3D Tetrahedron or Brick

    Estimate numer of elements! nodes "#dofs$

    Decide if run time %ill e reasonale

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    FE Modeling Strategy&continued'

    (nput )eometry

    *+D ,le

    (nside FE code

    )enerate Mesh Pick parameters- elements.length! element

    si/e! 0

    Select regions to mesh

    )enerate and check

    +spect ratio

    Degenerate elements

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    FE Modeling Strategy&continued'

    +pply displacement oundaryconditions

    check for rigid ody motion

    +pply surface loads

    +pply ody forces

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    FE Solution Strategy

    Pick solution strategy

    inear or nonlinear

    Eigenalue &natural freuencies oruckling'

    Transient or static

    Parametric! optimi/ation or proailistic

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