IMAT_RESULT DataLocation Attributes


IMAT_RESULT DataLocation Attributes (sorted by subject)

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Properties

    component
    data
    DataCharacteristic
    DataLocation
    NumberElements
    NumberNodes
    NumberValues

 


component

Returns an MxN integer matrix of components. M is the number of data values, and N is the number of components, which varies by DataLocation. See the component attribute help for each DataLocation object.

The following attributes are specific to Data At Nodes results.

Property Name Component Column Number Description
node 1 Node ID. Must be positive.
dir 2 Direction. See the table below for specific identifiers.
seid 3 Superelement ID (default 0). Must be non-negative.

 

The following attributes are specific to Data On Elements results.

Property Name Component Column Number Description
element 1 Element ID. Must be positive.
layer 2 Layer number. Must be non-negative.
seid 3 Superelement ID (default 0) Must be non-negative.

 

The following attributes are specific to Data At Nodes On Elements results.

Property Name Component Column Number Description
element 1 Element ID. Must be positive.
node 2 Node ID. 0 = centroid and negative values mean integration points
comp 3 Component. See the table below for specific identifiers.
layer 4 Layer number. Must be non-negative.
seid 5 Superelement ID (default 0)
eltype 6 NASTRAN element type (default 0 for unknown). Must be non-negative.

 

The following attributes are specific to Data On Elements At Nodes results.

Property Name Component Column Number Description
node 1 Node ID. Must be non-negative.
element 2 Element ID. For Grid Point Force Balance results, these could be 0 or negative. Please see the help for readnas for more details.
comp 3 Component. See the table below for specific identifiers.
eltype 4 NASTRAN element type (default 0 for unknown). Must be non-negative.

 

The following attributes are specific to Data At Points results.

Property Name Component Column Number Description
point 1 Point ID. Must be positive.

 

The table below shows the valid components and their numeric representation for the component or direction for each DataLocation.

Numeric Identifier Component
0 (scalar)
1 'X'
2 'Y'
3 'Z'
4 'RX'
5 'RY'
6 'RZ'
11 'XX'
22 'YY'
33 'ZZ'
12 'XY'
13 'XZ'
23 'YZ'
21 'YX'
31 'ZX'
32 'ZY'
41 'Fx'
42 'Fy'
43 'Fxy'
44 'Mx'
45 'My'
46 'Mxy'
47 'Vx'
48 'Vy'
51 'MaxP'
52 'MidP'
53 'MinP'
54 'MaxS'
55 'OctS'
57 'MagT'
58 'MagR'
59 'VonM'

 

The table below shows NASTRAN element types recognized and mapped by IMAT. This may not be an exhaustive list; if the element type you are looking for is not in this table, please refer to the Quick Reference Guide in your NASTRAN documentation. The element types are most easily found in the Item Codes section.

Numeric Identifier Element Type
0 (unknown)
  0-D
11 CELAS1
12 CELAS2
13 CELAS3
14 CELAS4
40 CBUSH1D
102 CBUSH
20 CDAMP1
21 CDAMP2
22 CDAMP3
23 CDAMP4
86 CGAP
  1-D
1

CROD

10 CONROD
89 CRODNL
92 CONRODNL
34 CBAR
100 CBARA
2 CBEAM
94 CBEAMNL
69 CBEND
3 CTUBE
87 CTUBENL
  2-D

74

CTRIA3
75 CTRIA6
33 CQUAD4, CQUAD
64 CQUAD8
70 CTRIAR
82 CQUADR
88 CTRIA3NL
90 CQUAD4NL
95 CQUAD4C
96 CQUAD8C
97 CTRIA3C
98 CTRIA6C
144 CQUADX4
53 CTRIAX6
245 CQUADX8
201 CQUADFD
206 CTRIAFD
211 CTRIAD
214 CQUADXF
215 CQUADYF
  3-D
39 CTETRA
85 CTETRANL
205 CTETRAFD
210 CTETRAD
68 CPENTA
91 CPENTANL
204 CPENTAFD
209 CPENTAD
67 CHEXA
93 CHEXANL
202 CHEXAFD
207 CHEXAD
255 CPYRAM

 


data

Returns a vector containing the data values for this result.


DataCharacteristic

This determines the valid components for this result. The table below displays the valid data characteristics, their corresponding numeric identifiers, and the valid components for each data characteristic.

Numeric Identifier Data Characteristic Valid Components
0 'Unknown' Any
1 'Scalar' Any
2 '3DOF global translation vector' X, Y, Z
3 '6DOF global translation & rotation vector' X, Y, Z, RX, RY, RZ
4 'Symmetric global tensor' XX, YY, ZZ, XY, XZ, YZ
5 'General global tensor' XX, YY, ZZ, XY, XZ, YZ, YX, ZX, ZY
6 'Stress resultants' Fx, Fy, Fxy, Mx, My, Mxy, Vx, Vy
7 'Stress/strain invariants' MaxP, MinP, MaxS, VonM

DataLocation

Returns a string containing the DataLocation description corresponding to the DataLocation object IMAT provides the following DataLocation objects.

DataLocation
Data At Nodes
Data On Elements
Data At Nodes On Elements
Data At Points
Data On Elements At Nodes

NumberElements

Number of unique element IDs. Only valid for Data On Elements and Data At Nodes On Elements result data locations. Setting this will truncate or expand the components and data as appropriate.


NumberNodes

Number of unique node IDs. Only valid for Data At Nodes and Data On Elements At Nodes result data locations. Setting this will truncate or expand the components and data as appropriate.


NumberValues

Number of data values (and component rows). Setting this will truncate or expand the components and data as appropriate.