NX Advanced FEM

NX Advanced FEM (Version NX 5)

© UGS Corp. 2007. All rights reserved.

UGS PLM Software

Aims f

There are 225 slides in this file, it is NOT the expectation that you show all of them to the prospect/customer

f

The aim here is to provide a deck of slides that you can choose to “pick and mix” from to show a workflow or solution that is appropriate to your requirements

f

These slides describe the “Core” functionality. I have skipped some icons/functions as they are only applicable for one of the add-on applications.

f

These can be used as the build up for a presentation on one of the add-on applications like Laminates, Response Simulation, Thermal, Flow etc

f

As these slides are all built to a consistent style, doing a “pick and mix” will still result in a clean looking presentation

f

Please note that after the Solver Language Environment slides, everything is NX Nastran specific

f

Please provide any enhancements or suggestions to [email protected] (+44 1462 44 5029)

Slides 2 – 6 are not intended for Public use 2

Slide Organisation (1) f

NX Advanced FEM File Organization f Basic file structure f Idealize and Multiple FEM’s f Multiple SIM’s – Physical Property Override f Multiple SIM’s – Physical Property & Thickness Override f Multiple Solutions and subcase’s f Variations

f

Model Interaction f Simulation Navigator – File View f Simulation Navigator – Easy Management f Simulation Navigator – Resource Bars f Interaction – RMB Over Screen Model f Mirror Display f Model Interaction – Show Only f Model Interaction – Show Adjacent f Model Interaction – Node Display f Model Interaction – Mesh Display f Model Interaction – Mesh Control Display

f

Solver Language Environment f Solver Language Environment f “NX Nastran Environment” – UI Based on Solver/Solution f “ANSYS Environment” – UI Based on Solver/Solution f “ABAQUS Environment” – UI Based on Solver/Solution

f

Master Part f Master Part f Material Property – Library f Material Properties

f

Idealize Part f Part Idealize Part f Uses of the Idealize part f Idealize Part – Idealize f Idealize Part – Defeature Geometry f Idealize Part – Partition f Idealize Part – Midsurface f Idealize Part – Subdivide Faces f Idealize Part – Additional Modelling f Idealize Part – Direct Modelling f Idealize Part – Material Properties



FEM Part f FEM Part f NX Advanced Simulation : CAE Topology f NX CAE Topology – Geometric Abstraction and Meshing f NX CAE Topology f NX CAE Topology – Auto Heal f NX CAE Topology – Split Edge f NX CAE Topology – Split Face f NX CAE Topology – Merge Edge f NX CAE Topology – Merge Face f NX CAE Topology – Match Edge f NX CAE Topology – Collapse Edge f NX CAE Topology – Face Repair f NX CAE Topology – Reset f NX CAE Topology – Mesh Updates f Physical Properties f Mesh Collectors f Node & Element Sets f Mesh Append f Mesh Import f Mesh Connections – Mesh Mating f Mesh Connections – Edge-Face Connection f Mesh Connections – Edge Contact Mesh f Mesh Connections – Surface Contact Mesh f Meshing – Mesh Points f Datum Coordinate Systems f Mesh Size Selection

f

FEM Part (cont) f Mesh Controls f Meshing – OD Mesh f Meshing – 1D Element Cross Sections f Meshing – 1D Mesh f Meshing – 1D Mesh – Element Attributes f Meshing – 2D Dependant Mesh f Meshing – 2D Mapped Mesh f Meshing – 2D Mesh f Meshing – 2D Mesh Seeding for 3D Mesh f Meshing – 3D Swept Mesh f Meshing – Solid from Shell Mesh f Meshing – 3D Tetrahedral Mesh f Meshing – Node Create f Meshing – Node Between Nodes f Meshing – Node on Curve/Edge f Meshing – Node Translate f Meshing – Node Rotate f Meshing – Node Reflect f Meshing – Node Drag f Meshing – Node Align f Meshing – Node Displacement CSYS f Meshing – Node Re-Numbering f Meshing – Node Modify Coordinate f Meshing – Node Deletion f Meshing – Node & Element Information f Meshing – Node Displacement CSYS

f

FEM Part (cont) f Meshing – Element Create f Meshing – Element Extrude f Meshing – Element Revolve f Meshing – Element Translate & Copy f Meshing – Element Copy & Project f Meshing – Element Copy & Reflect f Meshing – Shell Split f Meshing – Combine Tris f Meshing – Move Mode f Meshing – Element Re-label f Meshing – Element Connectivity f Meshing – Element Deletion f Meshing –Node & Element Information f Meshing – Mesh Unlock f Model Checking – Element Shape f Model Checking – Element Outlines f Model Checking – Duplicate Nodes f Model Checking – Element Normals



SIM Part – Pre-Processing f Modeling Objects – Manager f Modeling Objects – Contact Set Parameters f Modeling Objects – Strategy Parameters f Modeling Objects – Real Eigenvalue, Lanczos & Householder f Modeling Objects – Forcing Frequencies – Direct & Modal f Modeling Objects – Time Step f Modeling Objects – Structural Output Requests f Modeling Objects – Solution Parameters f Modeling Objects – System Cells f Surface to Surface – Contact f Surface to Surface – Glue f Loads – Force f Loads – Bearing f Loads – Torque f Loads – Moment f Loads – Pressure f Loads – Hydrostatic Pressure f Loads – Gravity f Loads – Centrifugal f Loads – Constant Temperature f Loads – Nodal Force Location f Constraints – User Defined f Constraints – Enforced Displacement f Constraints – Fixed, Translation & Rotation f Constraints – Simply Supported

f

SIM Part – Pre-Processing (cont) f Constraints – Slider f Constraints – Pinned f Constraints – Cylindrical f Constraints – Roller f Constraints – Symmetric f Constraints – Anti-Symmetric f Constraints – Velocity f Constraints – Acceleration f Constraints – Automatic Coupling f Constraints – Manual Coupling f Constraints – Enforced Motion Location f Boundary Condition Symbol Display Controls f Physical Property Overrides f Custom Units & Units Converter f Unit Selection f Boundary Condition Magnitude – Table Field f Boundary Condition Magnitude – Function Field f Solution f Solution – Containers and Re-using Data f Solution – Subcase Management f Solution – Attributes f Solution – Parameters f Solution – Comprehensive Check f Solution – Report Before Solve f Solution – Solve the Active Solution



SIM Part – Post-Processing f NX – Integrated Post Processing f Results – Selection f Results – Animation f Results – Post View Display f Results – Post View Color Bar f Results – Post View Edges & Faces f Results – Identify f Results – Annotation Markers f Results – Previous / Next Mode or Iteration f Results – Post Views & Templates f Results – Multiple Viewports f Results – Post View Overlay f Plotting Paths f Graph Style f Graph Probing f Graph Windowing f Solution Report – After Solve f Export Visualisation Files

f

Simulation Customer Defaults f Customer Defaults – General f Customer Defaults – Model Preparation f Customer Defaults – Mesh Display f Customer Defaults – Node & Element Display f Customer Defaults – Mesh Controls f Customer Defaults – Boundary Condition Display f Customer Defaults – Threshold Values Nastran f Customer Defaults – Meshing f Customer Defaults – Analysis f Customer Defaults – Post Processor


NX Advanced FEM File Organisation


UGS PLM Software

Benefits Benefits

Basic file structure Simulation part

FEM Part

f f Working Working in in aa

concurrent concurrent environment environment f f Efficient Efficient use use of of model model and and data data rereuse use f f Efficient Efficient use use of of local local memory memory –– not not all all files files need need to to be be loaded loaded

Idealize Part

Master Part

Note – Write Access to Master Part is not required

8

Multiple Idealize and Multiple FEM’s Benefits Benefits f f Multiple Multiple analyses analyses for for same same CAD CAD

part part f f Multiple Multiple representations representations for for different different analysis analysis needs needs from from same same CAD CAD part part FEM1

FEM4

FEM2

Idealize Part

FEM3

CAE user view

Idealize Part

CAD user view

Master Part

9

Multiple SIM’s – Physical Property Override SIM1 – Generic Steel (Inherited from Master Part)

SIM2 – AISI_STEEL_1008+HR

FEM1

Idealize Part

Benefits Benefits f f Quickly Quickly and and easily easily

Master Part

explore explore effects effects of of different different materials materials f f “What “What if” if” and and sensitivity sensitivity studies studies 10

Multiple SIM’s – Properties & Material Override SIM1 –Inherited Properties

SIM2 – Properties & Material Overrides

FEM1

Master Part

Benefits Benefits Idealize Part

f f Quickly Quickly and and easily easily explore explore effects effects of of

different different materials, materials, thicknesses, thicknesses, shell shell offsets offsets etc etc f f “What “What if” if” and and sensitivity sensitivity studies studies 11

Multiple Solutions and Subcase’s Solution 1

Benefits Benefits f f Quickly Quickly and and easily easily explore explore

effects effects of of different different loading loading conditions conditions Boundary f Conditions f Efficient Efficient analysis analysis in in complex complex referenced environments environments

SIM1

from Simulation Container

Solution 2 FEM1 Simulation Containers Subcase 1 Idealize Part

Subcase 1

Multiple Subcases

Master Part Multiple Solutions 12

Variations Simulation Part

Simulation Part

Additional external FE data

FEM Part

FEM Part

External FE data

No Idealized or Master Part required

No Idealized part required Master Part

Benefits Benefits f f Quickly Quickly and and easily easily include include external external FE FE

data data f f Flexible Flexible work work flows flows –– work work the the way way you you want want to to work work 13

Model Interaction


UGS PLM Software

Simulation Navigator – File View f

Simulation Centric View

Design Part Centric View

Design Part Centric View with Unused Parts Hidden

Simulation File View f

Simulation Centric View for the analysts

f

Design Part Centric View for the inverted view

f

Active File shown in Blue

f

Optionally any unused and open parts can be hidden

f

Easy to understand the file relationships

f

Fast method of “Switching” active file – Double Click

f

Fast method to create new Simulation files

15

Simulation Navigator – Easy Management Simulation Centric File View

Mesh Out-ofDate Symbol Hide/Show of Polygon models and Meshes during selection

Active Solver Environment

Drag ‘n’ Drop from Containers to Solution

Containers to Organise related CAE Data 16

Simulation Navigator – Easy Management f

RMB Operations Directly from Navigator

17

Simulation Navigator – Resource Bars f

Resource Bars for Simulation f

Simulation

f

Post Processing

f

XY Functions

18

Simulation Navigator – Resource Bars f Roles f Industry

Specific

f Advanced

& Essentials

f General f Assembly f Part

Navigator

Navigator

f History f Internet

Explorer

f On-Line

Help

19

Interaction – RMB Over Screen Model f

RMB Over Screen Entities enables fast access to functionality applicable to the highlighted item

20

Mirror Display f

Mirror Display is powerful for visualising Symmetric models

f

Mirror Plane can be set anywhere

f

Post View Settings work with the Mirror Display

21

Model Interaction – Show Only f

Reduce the complexity of geometry on the screen

f

Focus on a sub-set of the model

f

Selection Methods

f

f

Tangent Faces

f

Adjacent Faces

f

Fillet Faces

f

Cylindrical Faces

f

Sliver Faces

Hide/Show from the Simulation Navigation f

Used during other commands to simply the screen

Show Hide

22

Model Interaction – Show Adjacent f

Show Adjacent to “grow” visible related geometry

f

Selection Methods f

Tangent Faces

f

Adjacent Faces

f

Fillet Faces

f

Cylindrical Faces

f

Sliver Faces

23

Model Interaction – Node Display f

f

Node Display options f

None (default)

f

Dot

f

Asterisk

f

Color

Element Display options f

Coarse (default)

f

Medium

f

Fine

24

Model Interaction – Mesh Display f

f

Mesh Display f

By Collector

f

By Mesh

Mesh Display options f

Colour

f

Edge Colour

f

Shrink Percentage

f

2d Element Normals

25

Model Interaction – Mesh Control Display f

Mesh Control Symbol display f

Size

f

Shaded

f

With Text Value

26

Solver Language Environment


UGS PLM Software

Solver Language Environment f

PLM XML definitions enable rapid change & addition of solver languages

f

All Loads, Boundary Conditions, Element Types, and Solver Inputs reflect selected solution environment

28

Solver Language Environment (cont) f

Non-UGS Solver support

f

Import of I-deas Universal file with CAE data only 29

“NX Nastran Environment” – UI Based on Solver/Solution f

Selected at FEM part file creation f

f

Mesh creation

Selected at Solution creation in SIM part f

Solution creation and editing

f

Defines Sub-Case options

Benefits Benefits f f User User interface interface words words

are are familiar familiar f f Elements, Elements, Loads, Loads, Boundary Boundary Conditions Conditions etc etc are are all all in in the the words words of of the the selected selected Solver Solver 30

“ANSYS Environment” – UI Based on Solver/Solution f


f

Mesh creation



f


Benefits Benefits f f User User interface interface words words are are

familiar familiar f f Elements, Elements, Loads, Loads, Boundary Boundary Conditions Conditions etc etc are are all all in in the the words words of of the the selected selected Solver Solver 31

“ABAQUS Environment” – UI Based on Solver/Solution f


f

Mesh creation



f


Benefits Benefits f f User User interface interface words words are are

familiar familiar f f Elements, Elements, Loads, Loads, Boundary Boundary Conditions Conditions etc etc are are all all in in the the words words of of the the selected selected Solver Solver 32

Master Part


UGS PLM Software

Master Part f

Idealized part is NOT a requirement

f

Full NX CAD modelling functionality is available for building models for CAE purposes

Simulation Part

FEM Part

Master Part

34

Material Property – Library f

Import from Material Property Library f

Metals

f

Plastics

f

Isotropic

f

Orthotropic

f

Anisotropic

f

Fluids

f

Assign to Parts

f

Create new based on existing materials

35

Material Properties f

Constant Values

f

Variable Values defined by a Table

f

Units selection

f

Adding new materials to the Library is documented in the on-line help

36

Idealize Part


UGS PLM Software

Idealize Part Simulation part

f

Uses of the Idealize part f

FEM Part

Idealize Part

Read only Master Part f

Therefore can not change the Master Part geometry

f

Vital in a Managed Environment

f

“ What If ” exploration or studies based on the same Master Part

f

Geometry Reduction or Abstraction

f

Additional Geometry or Datums

Master Part

Benefits Benefits f f Support Support Concurrent Concurrent Engineering Engineering f f Associativity Associativity to to Master Master Model Model 38

Uses of the Idealize part Idealize Part

Idealize Part

Idealize Part

Idealize Part

Master Part

f

“ What If ” exploration or studies based on the same Master Part f

Removing geometry f

By type and size – Holes and Blends

f

By selection – Auto saved methods for updates

f

Adding Additional Modelling features, holes, blends, chamfers, ribs, bosses etc

f

Different materials from the Master Part 39


Idealize Part

Idealize Part

Idealize Part

Idealize Part

Idealize Part

Master Part

f

Geometry Reduction or Abstraction f

One or more significant geometry changes to the Master Part

f

Symmetric, Asymmetric or Axisymmetric models

f

Mid-Surface

f

Partition or Surface Splitting f

Load/Restraint Application

f

Local mesh control

f

Mesh Mating condition – common mesh across boundary 40


Idealize Part

Idealize Part

Master Part

f

Additional Geometry f

Datums like Coordinate Systems

f

Curves and points to place FEM entities f

Lumped Mass

f

Rigid Elements

41

Idealize Part – Idealize f

Idealize Part

Idealize Part

Idealize Part

Removing Holes and Blends f Based on their size f Manual selection

Idealize Part

Master Part

42

Idealize Part – Defeature Geometry f f

Removing Geometry by Selection Method saved for Update replays Pick outermost face as seed

Pick Region boundary faces

Idealize Part

Master Part

Idealize Part

Selected faces

Resulting “De-feature”

43

Idealize Part – Partition f

f

f f f f

Idealize Part

Idealize Part

Idealize Part

Idealize Part

Cutting part(s) into multiple volumes that share common faces Cutting part(s) into multiple surface patches that share common edges Load/Restraint Application Local mesh control Mesh Mating condition – common mesh across boundary Associative or Non-Associative to model Idealize Part

Idealize Part

Master Part

44

Idealize Part – Midsurface f

Idealize Part

Idealize Part

Idealize Part

Automatic Midsurface generation f Face Pair technique f Offset technique f Using another Sheet Body to define the Midsurface f Proportional Thickness or Specific value

Idealize Part

Idealize Part

Idealize Part

Master Part

45

Idealize Part – Subdivide Faces f

f f Idealize Part

Idealize Part

Idealize Part

Idealize Part

Subdividing Faces f Intersection of Datum Planes f Intersection of Faces f Projected Curves and Edges f Projected Line between 2 points Load/Restraint Application Local mesh control Idealize Part

Idealize Part

Master Part

46

Idealize Part – Additional Modelling f f

Idealize Part

Idealize Part

Idealize Part

All modelling functionality is available Datums, curves, holes, blends, chamfers, ribs, bosses, surfaces, solids etc etc

Idealize Part

Master Part

47

Idealize Part – Direct Modelling f

Direct Modelling (DMX)

f

Editing parts with no CAD features – Imported geometry

f

Surrounding BREP updated – Tangency maintained

f

Surfaces Resized – Fillets

f

Surfaces Replaced

Little End Moved

Bolt Holes moved 48

Idealize Part – Material Properties

Override Material

Master Part Material

f

Set the Material Properties of the body(s) different from the Master Part

f

“ What If ” studies of different materials

49

FEM Part


UGS PLM Software

FEM Part Simulation part

f

FEM Part

Uses of the FEM part f

Geometry Abstraction – CAE Topology

f

Model Organisation using Collectors

f

Meshing

Idealize Part

Master Part

f

Automatic

f

Manual

f

Mesh Connections

f

Model Checking

51

NX Advanced Simulation : CAE Topology f

CAE Topology f

f

f

What is it? f

An abstracted layer of CAE specific topology with CAE specific modeling tools, over and above that provided by CAD

f

Initially one polygon face is created for each CAD face

What does it do? f

Automatically simplifies geometry by removing irregular and tiny features to allow effective CAE meshing

f

Fully Manual through to a Fully Automatic process. Best practise is a mix of Manual and Automatic simplification

Why is it valuable? f

Reduces the time to mesh and the number of elements generated (reducing solve time) while improving element quality and results accuracy

52

NX CAE Topology – Geometric Abstraction and Meshing

CAE CAE Topology Topology

Design Geometry Realities

53

NX CAE Topology

Issues 54

NX CAE Topology

0.02mm wide sliver

55

NX CAE Topology

Issues 56

NX CAE Topology

57

NX CAE Topology – Auto Heal f

Healing of CAE Topology f

Selected faces

f

Complete model

f

Auto calculation of “Small Feature” value

f

Also removes sharp sliver like corners Before Heal

After Heal

58

NX CAE Topology – Split Edge f

Split an Edge f

To define separate Boundary Conditions along a Polygon edge

f

Point Selection

f

Control mesh density

59

NX CAE Topology – Split Face f

Split Face f

Split a polygon face along a projected line

f

Mesh control

f

Boundary Condition control

60

NX CAE Topology – Merge Edge f

Merge Edge f

Merges 2 polygon edges that share a vertex into one polygon edge

f

Used to “recover” Split Edges

61

NX CAE Topology – Merge Face f

Merge Face f

Merge two separate polygon faces into a single polygon face along a common polygon edge

f

Commonly before and after an Auto Heal

f

Before or After Meshing

f

Used to remove data to get a better quality mesh

62

NX CAE Topology – Match Edge f

Match one polygon edge to a second polygon edge

f

Result is a single polygon edge

f

Used to “tidy up” or repair poor quality geometry

63

NX CAE Topology – Collapse Edge f

Collapses the selected polygon edge to a selected point on the edge

f

Used to get manual control over how small edges are collapsed

64

NX CAE Topology – Face Repair

f

Create a new polygon face to fill a hole

f

Repair a poor quality polygon face 65

NX CAE Topology – Reset f

Resets the selected polygon geometry to it’s original state – ie one for one with the CAD surfaces

f

Recover data for including in Mesh

66

NX CAE Topology – Mesh Updates f

CAE Topology changes can be done before and after Meshes are applied

f

After a change (like Merge Face) the Mesh is flagged “out of date” f

In the Simulation Navigator

f

Mesh Update icon

f

Note if multiple meshes exist, only the changed ones are flagged as “out of date” and updated

f

Allows for multiple CAE Topology changes and one mesh update 67

Physical Properties f

Physical Property is Solver and Element dependant f

Family of Elements

f

Material Reference

f

Commonly referred to as PID

f

Often used to identify different parts in an Assembly

68

Mesh Collectors f

Mesh Collectors are a method for multiple Meshes to reference the same Material, Physical Properties and Display Properties

f

Organised by

f

f

Element Family

f

Element Type

f

Physical Property (inc Material)

Workflow Creation Options f

Prior to Meshing

f

On-the-fly During Meshing

f

Post Meshing

69

Mesh Collectors f

f

Model Management f

Drag ‘n’ Drop item between collectors

f

Mesh inherits the target Collector properties inc Physical, Material and Display

f

Display control f

Hide/Show all Meshes in Collector

f

Hide/Show Individual Meshes

Benefits f

Model management

f

Visible model organization

f

Fast and easy to use for detail or global changes

70

Node and Element Sets f

Named Collection of Nodes or Elements

f

Used for defining output for a solution

f

FEM Based Sets can be used by any referencing SIM

f

SIM Based Sets are only available within that SIM file

71

Mesh Append f

Mesh Append copies Mesh from one FEM file into the current FEM file f

Optional Prefix to Imported object Names

f

Node, Element & PID number Start and Offsets

72

Mesh Import f

Import of a solver deck from an External file f

Units selection for the incoming data

f

Append to existing files or Create New files

73

Mesh Connections – Mesh Mating f

Mesh Mating Conditions aligns the mesh on Source and Target f

Glue Coincident condition f

f

Glue Non-Coincident condition f

f

No mesh connection

Auto Detection or Manual Selection of mating faces f

f

Multi-Point Constraints (MPC’s) to connect the meshes

Free Coincident condition f

f

2 faces share same nodes

Search all possible pairs or only for identical pairs of faces

Used to prepare mesh for Contact definition

74

Mesh Connections – Edge-Face Connection

Glue Meshes

f

Connection between a set of edges and a set of faces

f

Contact Node drive Meshes in both sides if Match Meshes used

f

Uses Rigid Links and MPC’s to connect the meshes

Match Meshes

75

Mesh Connections – Edge Contact Mesh f

Edge Based Contact definition

f

Contact Nodes drive meshes on both sides

f

Uses GAP elements to model Contact

76

Mesh Connections – Surface Contact Mesh f

Surface Based Contact definition

f

Surfaces are not auto Split or Partitioned

f

Contact Nodes drive meshes on both sides

f

Uses GAP elements to model Contact

77

Meshing – Mesh Points f

Used to create specific location for a node, for example on an Edge or Face

f

Point can Associative or NonAssociative to Geometry

f

Mesh is associative to the Mesh Point

f

Mesh Point location can be edited

f

Used to create a location for a Load or Boundary Condition, spider for load transfer

Mesh Point 78

Datum Coordinate Systems f

Datum Coordinate Systems f

Cartesian

f

Cylindrical

f

Spherical

79

Mesh Size Selection f

The “Lightening” symbol will suggest an Overall Element Size based on examination of the selected geometry

f

User can set a value appropriate to their task

f

Default settings for everything else will give a “good mesh” for most geometry

80


f

f

Surface Mesh Size Variation f

Min – less curvature refinement to follow geometry

f

Max – more curvature refinement to follow geometry

Volume Mesh Size Variation f

Min – elements remain approx constant in size throughout the body

f

Max – elements expand rapidly towards the center of the body

Mesh Transition f

Gradually transitions the size of elements in the mesh from any defined local element sizes back to the global element size 81


Small Feature tolerance defines size of geometry that will be abstracted f

f

Merge Edges f

f

Element size of 10mm & 10% setting will abstract out 1mm sized faces Removes the Polygon edge when angle between edges is less than Vertex Angle

Mapped Mesh control of Fillets/Blends faces f

Filtered by Inside, Outside or Both

f

Min & Max radius

82

Mesh Controls f

f

Mesh Controls f

Number on an Edge

f

Size on an Edge

f

Chordal Tolerance on an Edge

f

Biasing on an Edge

f

Size on a Face

Managed by Mesh Controls Collector

83

Mesh Controls f

Used to control Mesh distribution, quality, mating etc

f

Meshes associative to Mesh Controls

Size on Face Mesh Control

84

Meshing – OD Mesh f

0D or Scalar Elements for Lumped or Distributed Mass

Element Attributes vary according to the Solver Environment & Element Type 85

Meshing – 1D Element Cross Sections Standard Cross Sections

User Defined Sketch

User Defined Properties

f

Dialog to define and Manage Cross Sections

f

1D Element Attributes will Reference Stored Sections

User Defined Solid Face

86

Meshing – 1D Mesh

Group 2 Group 1

f

Multiple options depending on the selection of Group 1 and 2

f

Along an edge, around a face, between curves or edges, point to curve/edge etc


Meshing – 1D Mesh – Element Attributes 1D Element Cross Sections

f

f

1D Elements reference a Physical Property f

Material

f

Section(s)

Element Attributes for Beams, Bars and Rods f

f

Beams & Bars require Orientation vector f

Inherited from Geometry

f

Specific Values

Bushes require Axis Definition


Meshing – 2D Dependant Mesh f f f f f

f

f

Master & Target face selection Topologically Identical Faces Multiple Faces and Loops Coordinate System Selection Mesh Type Selection f Free or Mapped f New Mesh or Use Existing Mesh on Master Face Managed by 2D Collector

Uses f Contact Regions f Flange Mating f Symmetric Faces 89

Meshing – 2D Mapped Mesh f

3 or 4 Topological Sided Face (Single Loop)

f

Mesh Controls automatically added if not pre-defined

f

Can be used as Seed for 3D Meshing

Element Attributes vary according to the Solver Environment & Element Type

90

Meshing – 2D Mesh f

Creation of 2D Shell or Plate elements on selected faces

f

Mesh will be also driven by f

Mesh Points

f

Mating Conditions

f

Contact Definitions

f

Mesh Controls

91

Meshing – 2D Mesh Seeding for 3D Mesh f

2D Mesh can be used to “Seed” or define a 3D Mesh

f

Turn OFF Export Mesh to Solver f

2D Mesh does NOT get written to the solver

f

Also does not appear in the SIM file

92

Meshing – 3D Swept Mesh Preview of Mesh distribution along edges

f

3D Swept Mesh requires source face selection

f

This face is meshed and swept through the volume

Notice Mapped meshing around holes 93

Meshing – 3D Swept Mesh Green – 2D Seed Meshes to define 3D Swept Mesh Brown & Blue – 3D Swept Meshes

f

2D Mesh the Seed faces to control mesh type and distribution

f

2D Mesh – Turn OFF “Export Mesh to Solver” then this mesh is not written to the solver input deck

f

3D Swept Mesh starts with these Seed meshes 94

Meshing – Solid from Shell Mesh f

Generates a 3D Mesh from a closed surface mesh

f

Used when the importing CAD geometry is not complete and CAE topology is used to close the volume

Final 3D Mesh Seed 2D Mesh

95

Meshing – 3D Tetrahedral Mesh f

3D Tet Mesh

f

Auto Element Size sets a good value to start the meshing process

f

Same Mesh Options as 2D Mesh

Mesh quality f CAE Topology Editing f Mesh Controls f 2D Surface Seed Meshes f Volume Mesh Size Variation 96

Meshing – 3D Tetrahedral Mesh f

Good technique is to “seed” the mesh by applying 2D Mesh to selected faces

f

Add refinement and detail control where required

97

Meshing – Node Create

f

Location & Displacement by Global or Selected CSYS

98

Meshing – Node Between Nodes

f

Place Nodes equidistant between 2 selected Nodes

f

Geometry independent ie does not track surface(s) between Nodes

f

Displacement by Global or Selected CSYS

99

Meshing – Node on Curve/Edge

f

Place Nodes equidistant along a selected Edge/Curve

f

Number of Nodes or Distance between Nodes

f


100

Meshing – Node Translate

f

Node Translate/Copy

f

Multiple Selection Methods

f

Displacement by Global or Selected CSYS 101

Meshing – Node Rotate

f

Node Rotate/Copy

f


f


102

Meshing – Node Reflect

f

Node Reflect/Copy

f


f


103

Meshing – Node Drag

f

Node Dragging Off Geometry f

Drags in a plane parallel to screen through start node location

104

Meshing – Node Drag

f

Node Dragging On Geometry

f

Drags on associated geometry

f

f

Edge

f

Face

Dynamic Display of Element Quality Check

105

Meshing – Node Align

f

Move selected Nodes onto Vector between 2 Nodes

f


106

Meshing – Node Displacement CSYS

f

f

Assign Nodal Displacement Coordinate System f

Cartesian

f

Cylindrical

f

Spherical

f

Pre-Existing or Created on-the-fly

Select Nodes by f

Edge

f

Face

f

Body

f

Individual Selection

107

Meshing – Node Re-Numbering

f

Modify Node Numbering/Label

108

Meshing – Node Modify Coordinates

f

Modify the Coordinate(s) of selected Nodes

f

Global or Selected CSYS f

X, Y, Z

f

R, Theta, Z

f

R, Theta, Phi

109

Meshing – Node Deletion

f

Delete Nodes

f

Only Nodes not attached to Elements will be deleted

110

Meshing – Node & Element Information

f

Node Information f

Displacement CSYS

f

Coordinates

f

Connected Elements

111

Meshing – Nodal Displacement CSYS

f

Display Assigned Displacement Coordinate System for selected Nodes

f

Display Related Nodes or Geometry to a Displacement Coordinate System

112

Meshing – Element Create

f

Element Creation attached to existing Nodes

f

Mesh Collector selection or Creation on-the-fly f

New Mesh

f

Add to Existing Mesh

113

Meshing – Element Create

f

Element Creation attached to existing Nodes

f


New Mesh

f


114

Meshing – Element Extrude

f

Extrude an Existing Element(s) Edge

f


New Mesh

f


115

Meshing – Element Extrude

f

Extrude an Existing Element(s) Face

f


New Mesh

f


116

Meshing – Element Revolve

f

Revolves an Existing Element(s) Edge

f


New Mesh

f


117

Meshing – Element Revolve

f

Revolve an Existing Element(s) Face

f


New Mesh

f


118

Meshing – Element Translate & Copy

f

Translate & Copy Element(s) relative to CSYS or a Vector

f


New Mesh

f


119

Meshing – Element Copy & Project

f

Project & Copy Element(s) onto a Target Surface(s)

f


New Mesh

f


120

Meshing – Element Copy & Project

f f

Project & Copy Element(s) onto a Target Surface(s) Mesh Collector selection or Creation on-the-fly f New Mesh f Add to Existing Mesh

121

Meshing – Element Copy & Reflect

f

Reflect & Copy Element(s) about a Plane

f


New Mesh

f


122

Meshing – Shell Split

f

Splits Quadrilateral Multiple Elements

f

Mesh Update will remove Manual changes

f

New Elements remain in Mesh Collector 123

Meshing – Combine Tris

f

Combine Triangular elements into Quadrilaterals f

Linear to Linear

f

Parabolic to Parabolic

f


f

New Element remains in Mesh Collector 124

Meshing – Move Node

f

Move a Node (and it’s connected elements)

f

Converts Quads to Tris if required & removes duplicate nodes

f


125

Meshing – Element Re-Label

f

Modify Element Numbering/Label

126

Meshing – Element Connectivity

f

Replace One Node with another Node

f

Specific Mesh Connections

127

Meshing – Element Deletion

f

Delete Elements

f

Optionally delete Orphaned Nodes

128

Meshing – Node & Element Information

f

Element Information f

Type

f

Mesh

f

Collector

f

Nodes

f

Quality

129

Meshing – Mesh Unlock

f

Unlock a Mesh for Manual Operations to be carried out

130

Model Checking – Element Shape f

Element Shape tests the elements against a series of Threshold Values for different element types

f

User can set these values in the Preference dialog

Threshold Values set in Customer Defaults

131

Model Checking – Element Outlines f

Element Outlines show the Free Element Faces or Edges

All Checks also available from the Navigator

132

Model Checking – Duplicate Nodes f

Duplicate Nodes f

Locate to check model

f

Merge to correct model

133

Model Checking – Element Normals f

Displays the Element Normals

134

SIM Part – Pre-Processing


UGS PLM Software

Modeling Objects – Manager f

Modeling Objects

f

For re-use by multiple solves

f

Solver and Solution Type dependant

Referenced Modeling Objects 136

Modeling Objects – Contact Set Parameters f

Parameters to define the Contact conditions

f


f

Options shown for NX Nastran

137

Modeling Objects – Strategy Parameters f

Parameters to define the NonLinear Strategy

f


f


138

Modeling Objects – Real Eigenvalue – Lanczos & Householder f

Parameters for a Lanczos run

f


f


f

Parameters for a Householder run

f


f


139

Modeling Objects – Forcing Frequencies – Direct & Modal f

Parameters for a Direct Forced Frequency run

f


f


f

Parameters for a Modal Forced Frequency run

f


f


140

Modeling Objects – Time Step f

Parameters to define a Time Step

141

Modeling Objects – Structural Output Requests f

Parameters to define Structural Output Requests

f

Grouped according to function

f

Preview to see what will be written to the solver

142

Modeling Objects – Solution Parameters f

Solution Parameters

f


f


f

See Quick Reference Guide for details

143

Modeling Objects – System Cells f

Solution Parameters

f


f


f

See Quick Reference Guide for details

144

Surface to Surface – Contact f

Surface to Surface Contact options f

Automatic Detection or Manual Selection

f

Coefficient of Friction

f

Search distances

f

Offsets

145

Surface to Surface – Glue f

f

Surface to Surface Glue options f

Search distance

f

Penalty Value

Does not require similar meshes f

f

For example Tet to Hex

Smooth transition of loads across boundaries

146

Loads – Force f

f

Force Load Options f

Magnitude and direction

f

Normal to selected faces

f

Fx, Fy, Fz Components relative to selected coordinate system

f

Shear, In/Out plane force

Managed in the Load Container

147

Loads – Bearing f

f

Bearing Load f

Distributed load across cylindrical curves or faces

f

Parabolic or Sinosoidal distribution


148

Loads – Torque f

Torque Load f

f

Distributed load across cylindrical curves or faces


149

Loads – Moment f

f

Moment Load Options f


f


f

Mx, My, Mz Components relative to selected coordinate system

f

Shear, In/Out plane moment


150

Loads – Pressure f

f

Pressure Load Options f

Normal to 3D faces

f

Normal to 2D faces only

f

Px, Py, Pz Component Pressure

f

Px, Py, Pz Component Pressure on Beams


151

Loads – Hydrostatic Pressure f

Hydrostatic Pressure f

f

Distributed pressure across selected faces


152

Loads – Gravity f

f

Gravity Load f

Applied to complete model

f

Magnitude and Direction

f

Ax, Ay, Az Component Gravity relative to selected coordinate system


153

Loads – Centrifugal f

f

Centrifugal Load f

Applied to complete model

f

Direction & centre of rotation

f

Angular Acceleration

f

Angular Velocity


154

Loads – Constant Temperature f

Constant Temperature Load f

f

Applied to curves, edges or faces


155

Nodal Force Location f

Location for a Nodal Force Excitation for the NX Response Simulation application

f

Requires a matching Dynamic Load

f


156

Constraints – User Defined f

f

User Defined Constraints f

Free, Fixed or Displacement

f

Cartesian, Cylindrical or Spherical coordinate system

Managed in Constraint Container

157

Constraints – Enforced Displacement f

f

Enforced Displacement Options f


f


f

Component Displacement relative to selected coordinate system

Managed in the Constraint Container

158

Constraints – Fixed, Translation & Rotation f

f

Fixed Constraints (Restraints) f

All DOF

f

No Translation

f

No Rotation

Managed in the Constraints Container

159

Constraints – Simply Supported f

Simply Supported Constraint f

Magnitude and Direction of Support

f

Normal to selected surfaces

f


160

Constraints – Slider f

f

Slider constraint f

Planar sliding face

f

Sliding direction


161

Constraints – Pinned f

Pinned Constraint for Cylindrical Surfaces

f


162

Constraints – Cylindrical f

f

Cylindrical Constraint f

Radial Growth

f

Axial Rotation

f

Axial Growth

f

Relative to selected cylindrical surface


163

Constraints – Roller f

Roller Constraint

f


164

Constraints – Symmetric f

Symmetric Constraint

f


165

Constraints – Anti-Symmetric f

Anti-Symmetric Constraint

f


166

Constraints – Velocity f

Velocity Constraint

f

Specific to these NX Nastran Solutions

f

f

SEDFREQ 108 — Direct Frequency Response

f

SEDTRAN 109 — Direct Transient Response

f

SEMFREQ 111 — Modal Frequency Response

f

SEMTRAN 112 — Modal Transient Response


167

Constraints – Acceleration f

Velocity Constraint

f


f

f


f


f


f



168

Constraints – Automatic Coupling f

Coupled degrees of freedom between offset or symmetric meshes

f


169

Constraints – Manual Coupling f

Create either Coupled DOF or Constraint Equations between selected nodes

f


170

Constraints – Enforced Motion Location f

Enforced Motion Location Constraint

f


f

f


f


f


f



171

Boundary Condition Symbol Display Controls f

All Boundary Conditions have a Symbol associated and the Style can be changed

172

Physical Property Overrides f

Allows the SIM file to override the Physical properties defined in the FEM file

f

Mesh with Overridden property shown in Red

f

“What-if” studies

173

Custom Units & Units Converter f

Units Manager create Custom Units for various Measures

f

Units Converter

174

Unit Selection f

Numeric entry for a value can be entered in different units f

Measure f

f

Field f

f

Define the magnitude as a function that calculates a single value

Link Existing Field f

f

Define the magnitude as a constant or variable (eg time dependant)

Function f

f

“on the fly” measurement from existing geometry

Link to an existing Field Variable

Make Constant f

Converts an expression to a constant value

Examples

175

Boundary Condition Magnitude – Table Field Maths Expression Field

Table Based Field

Existing Named Variables

f

Tables Field f

User selected Dependant and Independent columns

176

Boundary Condition Magnitude – Function Field f

Pre-defined functions that calculate a value

f

Categories f

Beams

f

Fluids

f

Gears

f

Geometry

f

Materials

f

Maths

f

Mechanics

f

Misc

f

O Rings

f

Plate

f

Spreadsheet

f

Spring

f

String

f

Units

f

Vibration 177

Solution f

Solution is Solver dependant

f

Solution gathers everything together to perform a solve

f

SIM File can contain many Solutions to study different aspects of the design

f

Only one is active

178

Solution – Containers and Re-using Data

Simulation Containers

f

All Boundary Conditions, constraints etc are stored in Containers

f

They are then referenced by the Solutions and Subcases

Drag ‘n’ Drop Multiple Subcases

Benefits Benefits Multiple Solutions

f f Re-use Re-use of of data data f f Quickly Quickly and and easily easily explore explore effects effects

of of different different loading loading conditions conditions f f Efficient Efficient analysis analysis in in complex complex environments environments 179

Solution – Subcase Management

Output Request Object

f

Subcase availability and options will vary according to the active Solver and Solution type

f

Each Solution can have multiple Subcases

f

Loads can be used in any combination of Subcases

f

Subcases can include Pre-Loads like Thermal results from a previous solve

180

Solution – Attributes f

Solution Attributes availability and options will vary according to the active Solver and Solution type

181

Solution – Parameters f

Exact Version of NX Nastran

Solution Attributes availability and options will vary according to the active Solver and Solution type

182

Solution – Comprehensive Check f

Solution Comprehensive Check

f

Warnings & Errors f

Mesh

f

Materials

f

Boundary Conditions

f

Solution

183

Solution – Report Before Solve f

f

Solution Report – Before Solve f

User entered text description/documentation

f

Snapshot screen images

HTML Interactive report export

184

Solution – Solve the Active Solution f

Solve the Active Solution options f

Solve interactively (eg using NX Nastran Desktop)

f

Write (export) the solver input file for further job editing or queue management

f

Solve interactively an existing Input file (ie Restart)

f

Edit the Input file and solve directly (useful at add extra Solver specific entries)

185

SIM Part – Post-Processing


UGS PLM Software

NX – Integrated Post Processing Viewport Synchronization

Easy selection of results

Viewport Layout

Post Processing Icons

Dedicated Post Processing Navigator

Dedicated XY Graphing

Import of Existing Results for comparison Post Views and Templates 187

Results – Selection f

Results Selection from the Post Processing Navigator

f

Ease of navigation through available Results

f

Double mouse click to change the Results display

f

Plot to a Existing Viewport, to a New Viewport or Overlay (combine) Existing display

188

Results – Animation f

f

Results Animation options f

Number of Frames

f

Delay between frames

f

Full cycle (“forwards then backwards”)

f

Play, Pause, Stop

f

Single frame forwards or backwards

During Animation f

Change the Results

f

Screen rotate/pan/zoom

f

Toggle on/off Meshes

f

Save to Animated GIF

189

Results – Post View Display f

Post View Display Options f

Result Set Selection

Styles f

Contours

f

Elements

f

Isolines, Isosurfaces

f

Mark – Arrow, Cube, Sphere, Tensor

f

Absolute or scaled values

f

Coordinate System for results calculation

190


Post View Display Options

f

Results Plot options vary according to the Display type

191


Deformed model display

f

Results domain f

Free Face

f

Volume

f

Cutting Plane

192

Results – Post View Color Bar f

Post View Color Bar f

Max & Min values

f

Number of colors

f

Color scheme

f

Scale

f

Legend level of detail

193

Results – Post View Edges & Faces f

Post View Edges & Faces display & color options f

Primary Display for Element Edge & Faces

f

Undeformed Display

194

Results – Identify f

Identify to probe and display nodal and elemental information

f

Results

f

f

n Max, or n Min Result values

f

Result Range

Selected data saved to Excel for further study

195

Results – Identify f

Identify works on all types of Results display

196

Results – Annotation Markers f

f

Results Marker shows max/min of the current active Result Set f

Max & Min

f

Max only

f

Min only

Drag Marker to reposition

197

Results – Previous / Next Mode or Iteration f

Quick change to the next Mode or Iteration

198

Results – Post Views & Templates f

Post Views store the Post View setup

f

Provides quick and efficient method of controlling displays in different Views

f

Post Views can be saved and are available for re-use

199

Results – Multiple Viewports f

Multiple Viewports

f

Different Post Views per Viewport

f

Select all views ports for Synchronised screen rotate/pan/zoon

f

Return the view to Model display

200

Results – Post View Overlay f

Post View Overlay

f

Post View changes can be saved to all or selected Post Views

201

Plotting Paths f

Paths defined by f

Node labels

f

Screen selection

f

Edge selection

202

Plotting Paths f

Graphs can be Overlaid to compare data using same Axis

f

Path and Graph data stored in external file (*.afu)

203

Graph Style f

Edit Graph Style f Dynamic Selection of Graph element f Graph Title f Graph Legend f Axis style f f f

f

Axis Labels Axis Numbers Axis Type, Values & Units

Curve style

204

Graph Style f

Graph Grid Style f

Grid Layout

f

Divisions

f

Save the current Graph Settings to the current Template File

f

Save the current Graph Setting to a new Template File

205

Graph Probing f

Data Point Probing and Marking

f

Dynamic Display of curve data points & values

f

Specific curve location values

f

Probe Text Styles

206

Graph Probing f

Peak and Valley locating and Marking

207

Graph Probing f

Fine Tracking and Marking

208

Graph Windowing f

Window into the Graph f

X Window

f

Y Window

f

X-Y Window

f

No Window to return to full graph

209

Solution Report – After Solve f

f

Solution Report – After Solve f

User entered text description/documentation

f

Snapshot screen images

HTML Interactive report export

210

Export Visualisation Files f

Direct export of JT visualisation model

f

Direct export of screen images f PNG f JPEG f GIF f TIFF f BMP

f

Direct export of Animation f Animated

GIF

211

Customer Defaults for Simulation


UGS PLM Software

Customer Defaults – General f

General f

Default Solver Language

f

Creation of the four simulation files

213

Customer Defaults – Model Preparation f

Model Preparation f

Default values for CAE Topology creation

214

Customer Defaults – Mesh Display f

Mesh Display f

Default Mesh displays for different mesh types

f

Color, Line width, Shrink etc

215

Customer Defaults – Node & Element Display f

Node & Element Display f

Node style

f

Element display quality

216

Customer Defaults – Mesh Controls f

Mesh Control defaults

217

Customer Defaults – Boundary Condition Display f

Boundary Condition Display f

Defaults for color, line width and style

218

Customer Defaults – Threshold Values Nastran f

Threshold Values – Nastran f

Element quality check threshold values for Tri, Quad, Tet, Hex and Wedge element types

219

Customer Defaults – Meshing f

Meshing f

General defaults for the meshing task

220

Customer Defaults – Analysis f

Analysis f

General and specific for Optimization and Fatigue (Durability)

221

Customer Defaults – Post Processor f

Post Processor f

Defaults for text display

f

Report file names

222

Thank You


UGS PLM Software