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8/15/2019 DM-Intro 15.0 L07 Introduction to Advanced Topics
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8/15/2019 DM-Intro 15.0 L07 Introduction to Advanced Topics
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2 © 2013 ANSYS, Inc. February 7, 2014 ANSYS Confidential
In this lecture we will learn about:
• Geometry Import Properties
• CAD Connections
• Uni/Bi-Directional Connectivity
• Parameters handling
• Some advanced topics
Introduction to Advanced Topics
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are import and data transfer rel
• applicable for imports• Most of the settings done through
– “Basic Geometry Options”
– and “Advanced Geometry Options”
• Basic Properties
– ‘Parameters’ option for importing
parameters defined in CAD package
– ‘Parameter Key’ filters the parameters
from CAD that enter Workbench
• If not specified, all parameters enter WB
Geometry Properties (1)
Geometry properties
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• Basic Properties (con’t)
– Named Selection
• Define in CAD & transfer to WB
• Filter under WB
– Set to NS (by default) – remove it to import all parameters
• Activate WB option
– Geometry import / named selections
• Advanced Properties
– Select ‘Use Associativity’ to establish association between CAD and
WB
– Import defined CAD properties :
• Coordinate Systems,
• Work Points, etc.
– Smart CAD Update
•
Changes made in other options get updated in the mode
Geometry Properties (2)
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In workbench project page
• File/import
• Import
• Uni-directional connectivity
• Import neutral/native CAD files directly into Design Modeler
CAD Connections : Approach I
Import IGeometry cell on project page
Import IIIn Design Mo
• Multiple
• Appends
Import III
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• Export parameters from CAD to Workbench
• Parameter change in CAD reflects in
Workbench and vice versa
• Direct connection in UG NX
• Bi-directional connectivity
• Launch Workbench from CAD System
CAD Connections : Approach II
Bi-directional CAD connectivity• Attach to Active CAD Geome
• Imports active CAD geomet
• Can attach only saved CAD s
Bi-directional import fr
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• helps execute a set of operations repeatedly with different input values
• Useful for analyzing multiple design points By modifying geometry/topology parameters
• Parameters can be either used for : Sketch dimensions, Plane creation inputs, 3D operation values, etc.
• Parameters can be linked with each other through expressions Defined in Design Modeler or Workbench
• Parameters can be controlled from Workbench No need for Design Modeler to be opened
CAD Connection
CAD Connections & Parameterization
Parameterization
What is it ?
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Types of Parameters
Changes the dimensions or locations of a givenfeature
• Does not necessarily change the total
number of entities in the model
Geometric parameters
Modifying the feature itself by aremoving geometry
• Can change total number of
model
Topological parameters
Parameterized
number of copies
in a pattern
Parameterized
dimension
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Bi-directional CAD Connectivity & Para
Pro.Engineer
• H
• N
Para
Parameters from
WB to CAD
Parameters from
CAD to WB
CAD Parameters
DM Param
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Procedure
• Any input prefixed with the “□” symbol can be parameterized
–Toggle “□” to “D” to parameterize that particular input
• Default Parameter Name Pattern
– Feature Name.Dimension Reference
• Parameter name can be changed
Examples:
Creating Parameters in Design Modele
A dimension reference (H1) for a sketch
created on the XYPlane = XYPlane.H1
A dime
Extrud
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Accessible from the Toolbar or Tools menu
• Design Parameters tab – List the existing parameters & assigned values
• Parameter/Dimension Assignments tab
– Contains expressions
• relating the original dimension reference to the
value set in the Design Parameters tab
Parameter Manager
This 2 defined parameters become obsolete
and can be suppressed (or deleted)
Create the needed expr
‟Check” to evaluate
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• Parameters created into Design Modeler can either be managed in:
– Parameter Editor in DM
– Parameter Set in WB
Parameter Manager
Expression can be created in the
Outline of All Parameters in WB
Multiple Design Points can b
different values of the param
independent variable
Linked together &
Updated in background
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Miscellaneous Topics
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Advanced Sweep Options
Sweep Options
• Scale
–
Taper or expand the Profile as it is sweptalong the path of Sweep
• Twist Specification
– No Twist : Helical sweep is not created
– Turns : Specify number of turns to complete
over the path length
–Pitch : Specify length per 1 full turn
4m
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• Using “By Direction” option, one can align bodies
alignment vertices for aligning axes of bodies and
with respect to each other.
Body Operation: Move, Align and Orien
• User needs to select bod
Source & Destination Mo
Source & Destination Alig
Destination Orient
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Coordinate File for 3D Curve
A coordinate file must be a simple text file in the following format:
•After a pound sign (#), everything else on that line is considered a
comment and is ignored.
•Empty lines are ignored.•Data consists of five fields, all on one line, separated by spaces
and/or tabs:
– Group number (integer)
– Point number (integer)
– X coordinate
– Y coordinate
– Z coordinate
•A data line with the same Group number and Sequence number as a
previous data line is an error. A data line cannot contain the same
Group number and Sequence number as a previous data line.
•For a closed curve, the point number of the last line should be 0. In
this case, the coordinate fields are ignored.
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Managing External Files
The Workbench project file structure provides a directory named“user_files” which may be used to store CAD, or any other files you
wish to associate with the project.
If you have used imported geometry in your Workbench project and
subsequently intend to transfer the project to another computer
you can move or place a copy of the required files in the user_filesfolder.
When the project is reopened Workbench will prompt you to locate
the file.• From the View Menu, select Files.• Right click on the relevant file in the list and select Repair “filename.xxx”.
• Browse to the file in the user_files folder.• The new path will be saved with the project.
Example Project Directory
Containing User Files
N d S l i P i P
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Merge
Split
Copy
Named Selections : Propagation Prope
Original Selection
NoYes
Yes – Selection propagates to all resultant entities
No – Selection propagates to just one of the resultant entities or destroyed
Introduction to ANSYS DesignModeler
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Workshops
Do any 2 OR 3 workshops from Workshops number 7a, 7b, 7c an
7a 7c7b
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Summary
What have we learnt in this session?
• Geometry Properties• CAD Connections
• Parameters