Reiner Anderl, Peter Binde
Simulations with NX / Simcenter 3D
Kinematics, FEA, CFD, EM and Data Management
Contents
6
Preface
10
Preamble
12
1 Introduction
14
1.1 Learning Tasks, Learning Objectives, and Important Prerequisites for Working with the Book
17
1.2 Work Environments
19
1.3 Working with the Book
20
2 Motion (Multibody Dynamics)
24
2.1 Introduction and Theory
24
2.1.1 Simulation Methods
25
2.1.2 Restrictions
27
2.1.3 Classifications of MBD
27
2.2 Learning Tasks for Kinematics
29
2.2.1 Steering Gear
29
2.2.2 Top-down Development of the Steering Lever Kinematics
47
2.2.3 Collision Check on Overall Model of the Steering System
65
2.3 Learning Tasks on Dynamics
75
2.3.1 Drop Test on Vehicle Wheel
75
2.4 Learning Tasks on Co-Simulation
83
2.4.1 Balancing a Pendulum
84
3 Design Simulation FEM (Nastran)
94
3.1 Introduction and Theory
95
3.1.1 Linear Statics
96
3.1.2 Non-linear Effects
98
3.1.3 Influence of the Mesh Fineness
100
3.1.4 Singularities
101
3.1.5 Eigenfrequencies
102
3.1.6 Heat Transfer
104
3.1.7 Linear Buckling
105
3.2 Learning Tasks on Design Simulations
105
3.2.1 Notch Stress at the Steering Lever (Sol101)
106
3.2.2 Temperature Field in a Rocket (Sol153)
153
4 Structural (FEM)
162
4.1 Introduction
163
4.1.1 Sol 101: Linear Statics and Contact
164
4.1.2 Sol 103: Eigenfrequencies
165
4.1.3 Sol 106: Non-linear Statics
165
4.1.4 Sol 601/701: Advanced Non-linear
165
4.2 Learning tasks on Linear Analysis and Contact (Sol 101/103)
168
4.2.1 Stiffness of the Vehicle Frame
168
4.2.2 Size and Calculation of a Coil Spring
199
4.2.3 Eigenfrequencies of the Vehicle Frame
213
4.2.4 Clamping Seat Analysis on the Wing Lever with Contact
220
4.3 Learning Tasks Basic Non-Linear Analysis (Sol 106)
243
4.3.1 Analysis of the Leaf Spring with Large Deformation
243
4.3.2 Plastic Deformation of the Brake Pedal
253
4.4 Learning Tasks Advanced Non-linear (Sol 601)
262
4.4.1 Snap Hook with Contact and Large Deformation
262
5 Thermal/Flow (CFD)
284
5.1 Principle of Numerical Flow Analysis
285
5.2 Learning Tasks (Simcenter Flow)
286
5.2.1 Flow Behavior and Lift Forces at a Wing Profile
286
6 Electromagnetics (EM)
310
6.1 Principles of Electromagnetic Analysis
311
6.1.1 Electromagnetic Models
312
6.1.2 Maxwell Equations
313
6.1.3 Material Equations
315
6.1.4 Model Selection
317
6.1.5 Electrostatics
319
6.1.6 Electrokinetics
319
6.1.7 Electrodynamics
320
6.1.8 Magnetostatics
320
6.1.9 Magnetodynamics
320
6.1.10 Full Wave (High Frequency)
321
6.2 Weak Formulation of EM Problems
321
6.3 Installation and Licensing
322
6.4 Learning Tasks (EM)
325
6.4.1 Coil with Core, Axisymmetric
325
6.4.2 Coil with Core, 3D
340
6.4.3 Electric Motor
344
7 Management of Analysis and Simulation Data
366
7.1 Introduction and Theory
366
7.1.1 CAD/CAE Integration Issues
366
7.1.2 Solutions with Teamcenter for Simulation
367
7.2 Learning Tasks on Teamcenter for Simulation
369
7.2.1 Carrying out an Simcenter 3D Structural Analysis in Teamcenter
370
7.2.2 Which CAD Model Belongs to which FEM Model?
378
7.2.3 Creating Revisions
380
8 Manual Analysis of a FEM Example
386
8.1 Task Formulation
386
8.2 Idealization and Choice of a Theory
387
8.3 Analytical Solution
387
8.4 Space Discretization for FEM
388
8.5 Setting up and Solving the FEA System of Equations
389
8.6 Analytical Solution Compared with Solution from FEA
391
Bibliography
394
Index
398
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