The Composites library consists of operators that calculate the following Failure theories:
Calculates the Hill Ply Failure Index.
Inputs
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elems: an element entity table.
parts: a part entity table.
props: a property entity table.
xt: a material scalar table.
xc: a material scalar table.
yt: a material scalar table.
yc: a material scalar table.
s: a material scalar table.
layer_idx: layer index.
tensor: an elemental tensor table.
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Outputs
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answer: an elemental value table.
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Notes
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| • | xt: Allowable tensile stress in ply material direction 1. |
| • | xc: Allowable compressive stress in ply material direction 1. |
| • | yt: Allowable tensile stress in ply material direction 2. |
| • | yc: Allowable compressive stress in ply material direction 2. |
| • | s: Allowable in-plane shear stress. |
| • | tensor: Stress tensor table. |
| • | The calculation of Hill Failure Theory is for shell elements only, and applies to 2D tensors relative to the ply material system as described in the OptiStruct documentation for “Composite Laminates”. |
| • | layer_idx = layer index for the chosen data type, assigned by the HyperWorks application, and defaults to the value “@current_slice_index”. @current_slice_index represents the layer index for the chosen datatype. |
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Expression Builder
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HillFT(elems,parts,props,xt,xc,yt,yc,s,tensor,layer_index)
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XML Example
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<call name="HillFailureTheory" elems="elem_tab"
parts="part_tab" props="prop_tab" xt="xt_tab"
xc="xc_tab" yt="yt_tab" yc="yc_tab"
s="s_tab" tensor="tens_tab" answer="ans_tab"/>
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HoffmanFailureTheory - Calculates the Hoffman Ply Failure Index.
Inputs
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elems: an element entity table.
parts: a part entity table.
props: a property entity table.
xt: a material scalar table.
xc: a material scalar table.
yt: a material scalar table.
yc: a material scalar table.
s: a material scalar table.
layer_idx: layer index.
tensor: an elemental tensor value table.
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Outputs
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answer: an elemental scalar value table.
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Notes
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| • | xt: Allowable tensile stress in ply material direction 1. |
| • | xc: Allowable compressive stress in ply material direction 1. |
| • | yt: Allowable tensile stress in ply material direction 2. |
| • | yc: Allowable compressive stress in ply material direction 2. |
| • | s: Allowable in-plane shear stress. |
| • | tensor: Stress tensor table. |
| • | The calculation of Hoffman Failure Theory is for shell elements only, and applies to 2D tensors relative to the ply material system as described in the OptiStruct documentation for “Composite Laminates”. |
| • | layer_idx = layer index for the chosen data type, assigned by the HyperWorks application, and defaults to the value “@current_slice_index”. @current_slice_index represents the layer index for the chosen datatype. |
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Expression Builder
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HoffmanFT(elems,parts,props,xt,xc,yt,yc,s,tensor,layer_index)
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XML Example
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<call name="HoffmanFailureTheory" elems="elem_tab"
parts="part_tab" props="prop_tab" xt="xt_tab"
xc="xc_tab" yt="yt_tab" yc="yc_tab"
s="s_tab" tensor="tens_tab" answer="ans_tab"/>
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TsaiWuFailureTheory - Calculates the Tsai-Wu Ply Failure Index.
Inputs
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elems: an element entity table.
parts: a part entity table.
props: a property entity table.
xt: a material scalar table.
xc: a material scalar table.
yt: a material scalar table.
yc: a material scalar table.
s: a material scalar table.
f12: a material scalar table.
layer_idx: layer index.
tensor: an elemental tensor value table.
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Outputs
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answer: an elemental scalar value table.
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Notes
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| • | xt: Allowable tensile stress in ply material direction 1. |
| • | xc: Allowable compressive stress in ply material direction 1. |
| • | yt: Allowable tensile stress in ply material direction 2. |
| • | yc: Allowable compressive stress in ply material direction 2. |
| • | s: Allowable in-plane shear stress. |
| • | f12: Tsai-Wu experimental factor. |
| • | tensor: Stress tensor table. |
| • | The calculation of Tsai-Wu failure theory is for shell elements only, and applies to 2D tensors relative to the ply material system as described in the OptiStruct documentation for “Composite Laminates”. |
| • | layer_idx = layer index for the chosen data type, assigned by the HyperWorks application, and defaults to the value “@current_slice_index”. @current_slice_index represents the layer index for the chosen datatype. |
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Expression Builder
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TsaiWuFT(elems,parts,props,xt,xc,yt,yc,s,f12,tensor,layer_index)
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XML Example
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<call name="TsaiWuFailureTheory" elems="elem_tab"
parts="part_tab" props="prop_tab" xt="xt_tab"
xc="xc_tab" yt="yt_tab" yc="yc_tab"
s="s_tab" tensor="tens_tab" answer="ans_tab"/>
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MaxStrainFailureTheory - Calculates the Max Strain Ply Failure Index.
Inputs
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elems: an element entity table.
parts: a part entity table.
props: a property entity table.
xt: a material scalar table.
xc: a material scalar table.
yt: a material scalar table.
yc: a material scalar table.
s: a material scalar table.
layer_idx: layer index.
tensor: an elemental tensor value table.
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Outputs
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answer: an elemental scalar value table.
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Notes
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| • | xt: Allowable tensile strain in ply material direction 1. |
| • | xc: Allowable compressive strain in ply material direction 1. |
| • | yt: Allowable tensile strain in ply material direction 2. |
| • | yc: Allowable compressive strain in ply material direction 2. |
| • | s: Allowable in-plane shear strain. |
| • | tensor: Strain tensor table. |
| • | The calculation of Max Strain failure theory is for shell elements only, and applies to 2D tensors relative to the ply material system as described in the OptiStruct documentation for “Composite Laminates”. |
| • | layer_idx = layer index for the chosen data type, assigned by the HyperWorks application, and defaults to the value “@current_slice_index”. @current_slice_index represents the layer index for the chosen datatype. |
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Expression Builder
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MaxStrainFT(elems,parts,props,xt,xc,yt,yc,s,tensor,layer_index)
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XML Example
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<call name="MaxStrainFailureTheory" elems="elem_tab"
parts="part_tab" props="prop_tab" xt="xt_tab"
xc="xc_tab" yt="yt_tab" yc="yc_tab"
s="s_tab" tensor="tens_tab" answer="ans_tab"/>
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YamadaSunFailureTheory - Calculates the Yamada Sun Failure theory.
Inputs
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elems: an element entity table.
parts: a part entity table.
props: a property entity table.
sets: a set table.
plies: a ply table.
xt: a material scalar table.
xc: a material scalar table.
yt: a material scalar table.
yc: a material scalar table.
s: a material scalar table.
layer_idx: layer index.
tensor: an elemental tensor table.
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Outputs
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answer: an elemental value table.
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Notes
|
| • | xt: Allowable tensile stress in ply material direction 1. |
| • | xc: Allowable compressive stress in ply material direction 1. |
| • | yt: Allowable tensile stress in ply material direction 2. |
| • | yc: Allowable compressive stress in ply material direction 2. |
| • | s: Allowable in-plane shear stress. |
| • | tensor: Stress tensor table. |
| • | layer_idx = layer index for the chosen data type, assigned by the HyperWorks application, and defaults to the value “@current_slice_index”. @current_slice_index represents the layer index for the chosen datatype. |
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Expression Builder
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YamadaSunFT(tensor,xt,xc,s,sets,plies,elems,parts,props,pool_name,layer_index,opt_str)
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XML Example
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<call name="YamadaSunFailureTheory" elems="elem_tab"
parts="part_tab" props="prop_tab" xt="xt_tab"
xc="xc_tab" yt="yt_tab" yc="yc_tab"
s="s_tab" tensor="tens_tab" answer="ans_tab"/>
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HashinFailureTheory - Calculates the Hashin Failure theory.
Inputs
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elems: an element entity table.
parts: a part entity table.
props: a property entity table.
sets: a set table
plies: a ply table
xt: a material scalar table.
xc: a material scalar table.
yt: a material scalar table.
yc: a material scalar table.
s: a material scalar table.
layer_idx: layer index.
tensor: an elemental tensor table.
|
Outputs
|
answer: an elemental value table.
|
Notes
|
| • | xt: Allowable tensile stress in ply material direction 1. |
| • | xc: Allowable compressive stress in ply material direction 1. |
| • | yt: Allowable tensile stress in ply material direction 2. |
| • | yc: Allowable compressive stress in ply material direction 2. |
| • | s: Allowable in-plane shear stress. |
| • | tensor: Stress tensor table. |
| • | layer_idx = layer index for the chosen data type, assigned by the HyperWorks application, and defaults to the value “@current_slice_index”. @current_slice_index represents the layer index for the chosen datatype. |
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Expression Builder
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HashinFT(tensor,xt,xc,yt,yc,s,sets,plies,elems,parts,props,pool_name,layer_index,opt_str)
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XML Example
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<call name="HashinFailureTheory" elems="elem_tab"
parts="part_tab" props="prop_tab" xt="xt_tab"
xc="xc_tab" yt="yt_tab" yc="yc_tab"
s="s_tab" tensor="tens_tab" answer="ans_tab"/>
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PuckFailureTheory - Calculates the Puck Failure theory.
Inputs
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elems: an element entity table.
parts: a part entity table.
props: a property entity table.
sets: a set table.
plies: a ply table.
xt: a material scalar table.
xc: a material scalar table.
yt: a material scalar table.
yc: a material scalar table.
s: a material scalar table.
layer_idx: layer index.
tensor: an elemental tensor table.
|
Outputs
|
answer: an elemental value table.
|
Notes
|
| • | xt: Allowable tensile stress in ply material direction 1. |
| • | xc: Allowable compressive stress in ply material direction 1. |
| • | yt: Allowable tensile stress in ply material direction 2. |
| • | yc: Allowable compressive stress in ply material direction 2. |
| • | s: Allowable in-plane shear stress. |
| • | tensor: Stress tensor table. |
| • | layer_idx = layer index for the chosen data type, assigned by the HyperWorks application, and defaults to the value “@current_slice_index”. @current_slice_index represents the layer index for the chosen datatype. |
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Expression Builder
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PuckFT(tensor,xt,xc,yt,yc,s,criterion,output2d,sets,plies,elems,parts,props,pool_name,layer_index,opt_str)
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XML Example
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<call name="PuckFailureTheory" elems="elem_tab"
parts="part_tab" props="prop_tab" xt="xt_tab"
xc="xc_tab" yt="yt_tab" yc="yc_tab"
s="s_tab" tensor="tens_tab" answer="ans_tab"/>
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