example 02(linstatic angle-ply)

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analisis de los esfuerzos internos en una lamina compuesta, aplicando el metodo de elementos finitos con el programa patran v2010

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  • COMPOSITE STRUCTURESEXAMPLE #2

    LINEAR ANALYSIS OF A ANGLE-PLYLAMINATE SUBJECTED TO TENSION

    Problem Description

    P = 10 kN One-ply thickness = 1.0 mm Stacking sequence = [45/-45]T E11 = 380 GPa, E22 = E33 = 8.2 GPa, 12 =13 = 0.28, 23 = 0.47,

    G12 = G13 = 4.5 GPa, G23 = 3.5 GPa

    500 mm

    free

    free

    x

    yz

    P

  • Step 1. Modify Material Data for Laminate 1 .

    a. Materials : Modify / Composite / Laminate

    b. Select laminate in Laminated Comp. To Modify

    c. Modify Orientation in Stacking Sequence Definition Orientation : [45/-45] Use Overwrite Option in Text Entry Mode

    d. Apply

    Step 1. Modify the Material (Cont.)

  • Step 2. Create NASTRAN Input File

    a. Analysis : Analyze / Entire Model / Analysis Deck

    b. Select Translation Parameters

    c. Data Output : OP2

    d. Bulk Data Format Sorted Bulk Data : No Card Format : small

    e. OK

    Step 2. Create NASTRAN Input File (Contd)

    a. Select Solution Type

    b. Choose LINEAR STATIC for Solution Type

    c. OK

  • Step 3. Create NASTRAN Input File (Contd)

    a. Select Output Requests in Subcases

    b. Form Type : Advanced

    c. Select STRESS(SORT1, ) in Output Requests

    d. OptionsComposite Plate Opt : Ply & Elem. Stresses

    e. OK

    f. Apply Cancelg. Apply

    Step 4. Read in OP2 File

    a. Analysis : Access Results / Read Output2 / Result Entities

    b. Click on Select Results File

    c. Select composite.op2

    d. OK

    e. Apply

  • Step 5. Results - Deformation

    a. Results : Create / Deformation

    b. Select Displacements, Translational under Select Deformation Result

    c. Apply

    Step 6. Results - Stress

    a. Results : Create / Fringe

    b. Select Stress Tensorunder Select Fringe Result

    c. Position : Layer 2Quantity : X Component

    d. Apply

  • Step 7. Results Failure Index

    a. Results : Create / Fringe

    b. Select Failure Indices, Ply Indices under Select Fringe Result

    c. Position : Layer 1

    d. Apply

    Step 5. Results Failure Index (Contd)

    a. Results : Create / Fringe

    b. Select Failure Indices, Ply Indices under Select Fringe Result

    c. Position : Layer 2

    d. Apply

  • Exercise

    P = 10 kN One-ply Thickness = 0.5 mm Stacking Sequence = [45/-45]s E11 = 380 GPa, E22 = E33 = 8.2 GPa, 12 =13 = 0.28, 23 = 0.47,

    G12 = G13 = 4.5 GPa, G23 = 4.5 GPa

    500 mm

    free

    free

    x

    yz

    P