, , r , 1. , 1.
1
1
1) MSC.Patran File >> New. New Database.
2) annular_plate Filename.
3) OK.
4) New Model Preferences. .
5) .
6) Tolerance Default.
7) MSC.Nastran Analysis Code.
8) Structural Analysis Type .
1) MSC.Patran Geometry.
2) Geometry Action >> Create, Object >> Curve
Method >> XYZ.
3) Vector Coordinate List <5,0,0>, Origin Coordinate List - [5,0,0]. Apply.
4) - 5 , [5,0,0].
5) Vector Coordinate List <10,0,0> Origin Coordinate List [10,0,0]. Apply. Curve 2, .
1) Geometry Object Curve Surface Method Revolve.
2) Sweep Parameters Total Angle 90.0, Offset Angle 0.0. Curve 1 ( curve 1 Curve List). Apply.
3) Surface 2, Curve 2 Curve List Apply.
4) Surface 1.2, 2.2, 3.2, 4.2, 6.2 5.2. , Surface 1.2 Curve List Apply.
1) MSC.Patran Elements.
2) Finite Element Action>>Create, Object >> Mesh, Type >> Surface. .
3) Global Edge Length 2. . Automatic Calculation.
4) Quad4 Topology. , . IsoMesh .
5) Surface List ( Surface 1:8 Apply).
, .
6) .
7) Finite Element Action >> Equivalence, Object >> All, Method >> Tolerance Cube. .
8) Apply.
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1) MSC.Patran Materials.
2) Materials Action >> Create, Object >> Isotropic, Method >> Manual Input.
3) Material Name Aluminum.
4) Input Properties.
.
5) Input Options 10e6 Elastic Modulus.
6) Poissons Ratio 0.3.
7) OK Input Option , Apply Materials
1) MSC.Patran Properties.
2) Element Properties Action >> Create, Object >> 2D, Type >> Shell.
3) Property Set Name prop_1.
4) Input Properties.
5) Input Properties Material Name Aluminum Material Property Set.
6) thickness 0.125 OK.
7) Element Properties Select Members ( Surface 1:8).
8) Add Apply Properties.
1) MSC.Patran Loads/BCs.
2) Loads/BCs Action >> Create, Object >> Distributed Load, Type >> Element Uniform.
3) New Set Name annular_load.
4) Input Data.
5) Input Data <,,-1.2> Edge Distr Load, Edge Distr Moment . OK.
6) Select Application Region.
7) Select Application Region Geometry Filter Geometry.
8) Select Surface Edges. 4 . Add , OK.
9) Surface 7.1 1:5:2.3 Application Region.
10) Apply Loads/Boundary Conditions.