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UFF通用文件格式-格式定义
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UFF格式是在结构动态测试与振动、声学分析领域的通用测试文件格式。 UFF 15 结构的节点坐标信息 UFF 18 坐标系统信息 UFF 55 节点相关数据信息,例如结构模态振型 UFF 58 /58b 节点自由度相关的函数信息,例如时间历程、功率谱函数、频响函数、相干函数等 UFF 82 结构的几何连线信息 模型与测UFF 151试相关的各类头信息,如文件创建日期与时间、测试ID号等 UFF 164 单位信息
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Test Universal Files
Universal file generation from I-Deas for Test can be split into two categories: export of model file data and
export of adf data. It is not possible to write both sets of data to a single file. Written with a model file
universal file are the geometry, elements and traceline data. However, just to add confusion, nodes and
tracelines can also be written separately in their own file format.
At the top of every Universal File output by I-Deas are two datasets: 151 known cryptically as ‘header’ which
describes the model file that the data came from…..
Universal Dataset Number: 151
Name: Header
Status: Current
Owner: General
Revision Date: 25-May-1993
-----------------------------------------------------------------------
Record 1: FORMAT(80A1)
Field 1 -- model file name
Record 2: FORMAT(80A1)
Field 1 -- model file description
Record 3: FORMAT(80A1)
Field 1 -- program which created DB
Record 4: FORMAT(10A1,10A1,3I10)
Field 1 -- date database created (DD-MMM-YY)
Field 2 -- time database created (HH:MM:SS)
Field 3 -- Version from database
Field 4 -- Version from database
Field 5 -- File type
=0 Universal
=1 Archive
=2 Other
Record 5: FORMAT(10A1,10A1)
Field 1 -- date database last saved (DD-MMM-YY)
Field 2 -- time database last saved (HH:MM:SS)
Record 6: FORMAT(80A1)
Field 1 -- program which created universal file
Record 7: FORMAT(10A1,10A1)
Field 1 -- date universal file written (DD-MMM-YY)
Field 2 -- time universal file written (HH:MM:SS)
…and 164 which is important because it sets the units for the rest of the file. For functions and time histories
you need to do conversions if you’re bringing the data into an SI environment from a British unit system.
![](https://csdnimg.cn/release/download_crawler_static/87971204/bg2.jpg)
Universal Dataset Number: 164
Universal Dataset
Number: 164
Name: Units
Status: Current
Owner: General
Revision Date: 19-AUG-1987
Record 1: Record1: FORMAT(I10,20A1,I10)
Field 1 -- units code
= 1 - SI: Meter (newton)
= 2 - BG: Foot (pound f)
= 3 - MG: Meter (kilogram f)
= 4 - BA: Foot (poundal)
= 5 - MM: mm (milli newton)
= 6 - CM: cm (centi newton)
= 7 - IN: Inch (pound f)
= 8 - GM: mm (kilogram f)
= 9 - US: USER_DEFINED
Field 2 -- units description (used for
documentation only)
Field 3 -- temperature mode
= 1 - absolute
= 2 - relative
Record 2: FORMAT(3D25.17)
Unit factors for converting universal file units to SI.
To convert from universal file units to SI divide by
the appropriate factor listed below.
Field 1 -- length
Field 2 -- force
Field 3 -- temperature
Field 4 -- temperature offset
Example:
-1
164
2Foot (pound f) 2
3.28083989501312334D+00 2.24808943099710480D-01
1.79999999999999999D+00
4.59670000000000002D+02
-1
Dataset 58 is the one you know best but it is supplemented by Dataset 1858 (which is described at the end
of this one). This adds a bunch of functionality that has been added to I-Deas over the last ten years
especially octave, order and RPM data. This means you are processing two data sets for every one function
now.
![](https://csdnimg.cn/release/download_crawler_static/87971204/bg3.jpg)
Universal Dataset Number: 58
Universal Dataset
Number: 58
Name: Function at Nodal DOF
Status: Current
Owner: Test
Revision Date: 23-Apr-1993
Record 1: Format(80A1)
Field 1 - ID Line 1
NOTE
ID Line 1 is generally used for the function
description.
Record 2: Format(80A1)
Field 1 - ID Line 2
Record 3: Format(80A1)
Field 1 - ID Line 3
NOTE
ID Line 3 is generally used to identify when the
function was created. The date is in the form
DD-MMM-YY, and the time is in the form HH:MM:SS,
with a general Format(9A1,1X,8A1).
Record 4: Format(80A1)
Field 1 - ID Line 4
Record 5: Format(80A1)
Field 1 - ID Line 5
Record 6: Format(2(I5,I10),2(1X,10A1,I10,I4))
![](https://csdnimg.cn/release/download_crawler_static/87971204/bg4.jpg)
DOF Identification
Field 1 - Function Type
0 - General or Unknown
1 - Time Response
2 - Auto Spectrum
3 - Cross Spectrum
4 - Frequency Response Function
5 - Transmissibility
6 - Coherence
7 - Auto Correlation
8 - Cross Correlation
9 - Power Spectral Density (PSD)
10 - Energy Spectral Density (ESD)
11 - Probability Density Function
12 - Spectrum
13 - Cumulative Frequency Distribution
14 - Peaks Valley
15 - Stress/Cycles
16 - Strain/Cycles
17 - Orbit
18 - Mode Indicator Function
19 - Force Pattern
20 - Partial Power
21 - Partial Coherence
22 - Eigenvalue
23 - Eigenvector
24 - Shock Response Spectrum
25 - Finite Impulse Response Filter
26 - Multiple Coherence
27 - Order Function
Field 2 - Function Identification Number
Field 3 - Version Number, or sequence number
Field 4 - Load Case Identification Number
0 - Single Point Excitation
Field 5 - Response Entity Name ("NONE" if unused)
Field 6 - Response Node
Field 7 - Response Direction
0 - Scalar
1 - +X Translation 4 - +X Rotation
-1 - -X Translation -4 - -X Rotation
2 - +Y Translation 5 - +Y Rotation
-2 - -Y Translation -5 - -Y Rotation
3 - +Z Translation 6 - +Z Rotation
-3 - -Z Translation -6 - -Z Rotation
Field 8 - Reference Entity Name ("NONE" if unused)
Field 9 - Reference Node
Field 10 - Reference Direction (same as field 7)
NOTE
Fields 8, 9, and 10 are only relevant if field 4
is zero.
Record 7: Format(3I10,3E13.5)
Data Form
Field 1 - Ordinate Data Type
![](https://csdnimg.cn/release/download_crawler_static/87971204/bg5.jpg)
2 - real, single precision
4 - real, double precision
5 - complex, single precision
6 - complex, double precision
Field 2 - Number of data pairs for uneven abscissa
spacing, or number of data values for even
abscissa spacing
Field 3 - Abscissa Spacing
0 - uneven
1 - even (no abscissa values stored)
Field 4 - Abscissa minimum (0.0 if spacing uneven)
Field 5 - Absciissa increment (0.0 if spacing uneven)
Field 6 - Z-axis value (0.0 if unused)
Record 8: Format(I10,3I5,2(1X,20A1))
Abscissa Data Characteristics
Field 1 - Specific Data Type
0 - unknown
1 - general
2 - stress
3 - strain
5 - temperature
6 - heat flux
8 - displacement
9 - reaction force
11 - velocity
12 - acceleration
13 - excitation force
15 - pressure
16 - mass
17 - time
18 - frequency
19 - rpm
20 - order
Field 2 - Length units exponent
Field 3 - Force units exponent
Field 4 - Temperature units exponent
NOTE
Fields 2, 3 and 4 are relevant only if the
Specific Data Type is General, or in the case of
ordinates, the response/reference direction is a
scalar, or the functions are being used for
nonlinear connectors in System Dynamics Analysis.
See Addendum ’A’ for the units exponent table.
Field 5 - Axis label ("NONE" if not used)
Field 6 - Axis units label ("NONE" if not used)
NOTE
If fields 5 and 6 are supplied, they take
precedence over program generated labels and
units.
Record 9: Format(I10,3I5,2(1X,20A1))
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