Chapter 1: Overview......Page 9
1.1 Purpose......Page 10
1.2 MSC Nastran Product Information......Page 12
Chapter 2: Building A Model......Page 13
2.1 Introduction to Building a Model......Page 14
Advanced Output Requests, 481......Page 16
1D - Rod - General Section - CONROD, 139......Page 17
Fatigue Parameters Subform, 370......Page 18
1D - Beam - Lumped Section (CBEAM/PBCOMP), 128......Page 19
Adaptive Mesh Post-Processing, 476......Page 20
Define Fatigue Load Sequences, 488......Page 21
Crack (VCCT), 271......Page 22
Initial Conditions......Page 23
Element Properties......Page 24
Materials......Page 25
Elements and Properties......Page 26
Solution Controls......Page 27
2.3 Adaptive (p-Element) Analysis with the MSC Nastran Preference......Page 28
Element Creation......Page 29
Element and p-Formulation Properties......Page 30
Loads and Boundary Conditions......Page 31
Analysis Definition......Page 32
Results Import and Postprocessing......Page 33
Potential Pitfalls......Page 34
Adaptive Analysis of Existing Models......Page 35
2.4 Coordinate Frames......Page 36
Nodes......Page 37
Elements......Page 38
Multi-point Constraints......Page 40
MPC Types......Page 42
Structural......Page 46
Superelements......Page 62
Select Boundary Nodes......Page 65
2.6 Material Library......Page 66
Materials Application Form......Page 67
Material Input Properties Form......Page 69
Material Constitutive Models......Page 70
Linear Elastic......Page 81
Nonlinear Elastic......Page 83
Hyperelastic......Page 84
Elastoplastic......Page 89
Failure......Page 92
Failure 1, Failure 2, Failure 3......Page 93
Creep......Page 96
Hypoelastic......Page 97
User Defined......Page 98
Viscoelastic......Page 99
Stress-Life (SN) and Strain Life (eN), Spot Weld (Top and Bottom Sheet), Seam Weld (Stiff and Flexible)......Page 100
Cohesive......Page 103
Composite......Page 107
Element Properties Form......Page 109
0D - Coupled Point Mass (CONM1)......Page 116
0D - Grounded Scalar Mass (CMASS1)......Page 117
0D - Lumped Point Mass (CONM2)......Page 118
0D - Grounded Scalar Spring (CELAS1/CELAS1D)......Page 119
0D - Grounded Scalar Damper (CDAMP1/CDAMP1D)......Page 120
0D - Grounded Bush (CBUSH/PBUSH)......Page 121
1D - Beam - General Section (CBAR) - Standard Formulation......Page 122
1D - Beam - General Section (CBEAM) - P-Formulation......Page 128
1D - Beam - General Section (CBAR) - Linear/Cubic Closed Section......Page 130
1D - Beam - General Section (CBAR) - Linear-Shear......Page 131
1D - Beam - Curved with General Section (CBEND)......Page 132
1D - Beam - Curved with Pipe Section (CBEND)......Page 134
1D - Beam - Lumped Section (CBEAM/PBCOMP)......Page 136
1D - Beam - Tapered Section (CBEAM) - Standard Formulation......Page 138
1D - Beam - Tapered Section (CBEAM) - P-Formulation......Page 140
1D - Beam - General Section (CBEAM) - Standard Formulation......Page 141
1D - Beam - General Section (CBEAM) - Linear/Cubic Closed Section......Page 143
1D - Beam - General Section (CBEAM) - Linear/Cubic Open Section......Page 144
1D - Beam - General Section (CBEAM) - Linear-Shear......Page 145
1D - Rod - General Section (CROD) - Standard Formulation......Page 146
1D - Rod - General Section - CONROD......Page 147
1D - Rod - Pipe Section (CTUBE)......Page 148
1D - Spring (CELAS1)......Page 149
1D - Damper - Scalar (CDAMP1)......Page 150
1D - Damper - Viscous (CVISC)......Page 151
1D - Gap - Adaptive / Non Adaptive (CGAP)......Page 152
1D - Scalar Mass (CMASS1)......Page 154
1D - PLOTEL......Page 155
1D - Bush (CBUSH)......Page 156
1D- Bush (CBUSH2D/PBUSH2D)......Page 158
1D - Spot Weld Connector (CWELD)......Page 160
1D - Fastener Connector (CFAST)......Page 161
2D - Shell - Thin - Homogeneous - Standard Formulation......Page 164
2D - Shell - Homogeneous - Revised Formulation......Page 167
2D - Shell - Thin - Homogeneous - P-Formulation......Page 169
2D - Shell - Thin - Homogeneous - Linear Discrete Kirchhoff......Page 171
2D - Shell - Thin - Laminate Plate- Standard Formulation......Page 173
2D - Shell - Thin - Laminate - Revised Formulation......Page 175
2D - Shell - Thin - Equivalent Section - Standard Formulation......Page 177
2D - Shell - Thin - Equivalent Section - Revised Formulation......Page 179
2D - Shell - Thin - Equivalent Section - P-Formulation......Page 181
2D - Shell - Thick - Standard Formulation......Page 183
2D - Shell - Thick - Reduced Integration......Page 185
2D - Shell - Field Point Mesh......Page 187
2D - Bending Panel - Standard Formulation......Page 188
2D - Bending Panel - Revised Formulation......Page 190
2D - Bending Panel - P-Formulation......Page 192
2D - 2D Solid - Plane Strain - Standard Formulation......Page 194
2D - 2D Solid - Plane Strain - Reduced Integration......Page 196
2D - 2D Solid - Plane Strain - Revised Formulation......Page 197
2D - 2D Solid - Plane Strain - P-Formulation......Page 198
2D - 2D Solid - Plane Strain - Hyperelastic Formulation......Page 200
2D - Plane Strain - Laminated Composite......Page 201
2D - 2D Solid - Plane Strain - Incompressible......Page 202
2D - 2D Solid - Plane Strain - Interface......Page 203
2D - 2D Solid - Plane Stress - Standard Formulation......Page 204
2D - 2D Solid - Plane Stress- Reduced Integration......Page 206
2D - 2D Solid - Plane Stress - Interface......Page 207
2D - 2D Solid - Axisymmetric - Standard Formulation......Page 208
2D - 2D Solid - Axisymmetric - Reduced Integration......Page 210
2D - 2D Solid - Axisymmetric - Twist......Page 211
2D - 2D Solid - Axisymmetric - Hyperelastic Formulation......Page 212
2D - 2D Solid - Axisymmetric - Laminated Composite......Page 213
2D - 2D Solid - Axisymmetric - PLPLANE......Page 214
2D - 2D Solid - Axisymmetric - Incompressible......Page 215
2D - 2D Solid - Axisymmetric - Interface......Page 216
2D - 2D Solid - Acoustic Infinite......Page 217
2D - Membrane - Standard Formulation......Page 218
2D - Membrane - Revised Formulation......Page 220
2D - Membrane - P-Formulation......Page 221
2D - Shear Panel......Page 223
3D - Solid - Homogeneous - Standard Formulation......Page 225
3D - Solid - Homogeneous - Reduced Integration......Page 227
3D - Solid - Homogeneous - P-Formulation......Page 228
3D - Solid - Homogeneous - Hyperelastic......Page 230
3D - Solid Shell - Homogeneous - Standard Formulation......Page 231
3D - Solid - Homogeneous - Incompressible......Page 232
3D - Solid - Laminate......Page 233
3D - Solid - Interface......Page 234
3D - Body Pair- Geometric......Page 235
3D - Body Pair- Physical......Page 237
Cross Section Definition......Page 238
Create Action......Page 239
Supplied Functions......Page 241
Cross Section Orientation......Page 242
Stiffened Cylinder Example......Page 246
Loads & Boundary Conditions Form......Page 248
Static......Page 252
Time Dependent......Page 255
Displacement / Velocty / Acceleration......Page 256
Force......Page 259
Pressure......Page 260
Temperature......Page 262
Inertial Load......Page 265
Initial Velocity......Page 266
Distributed Load......Page 267
CID Distributed Load......Page 268
Contact......Page 269
Total Load......Page 278
Description......Page 279
2.10 Load Cases......Page 283
2.11 Defining Contact Regions......Page 284
Contact......Page 286
2.12 Rotor Dynamics......Page 288
Rotor Dynamics Form......Page 289
Spin Profile Form......Page 292
Spin History Form......Page 293
Unbalance Form......Page 294
Unbalance Properties Form......Page 296
Chapter 3: Running an Analysis......Page 299
3.1 Review of the Analysis Form......Page 300
Analysis Form......Page 301
Interactive......Page 303
Overview of Analysis Job Definition and Submittal......Page 304
3.2 Translation Parameters......Page 306
This option is OFF by default. This option can be turned ON to write continuation markers for Bulk Data entries.......Page 307
Prompts you for the filename of the include file.......Page 308
Numbering Options......Page 309
Select File......Page 312
3.3 Solution Types......Page 313
Selects Solution Sequence 700.......Page 314
Brings up a solution-type-dependent subordinate form that allows you to specify parameters which apply to the complete solution.......Page 315
600......Page 316
700......Page 317
3.4 Direct Text Input......Page 318
Linear Static......Page 320
Indicates the node ID that is to be used for the Grid Point Weight Generator. This is the GRDPNT parameter.......Page 322
Nonlinear Static......Page 323
On the Results Output Format form you choose which output formats you want to use with your solution type. For more details, please see Results Output Format, 405.......Page 325
2......Page 326
Normal Modes......Page 327
48......Page 328
On the Results Output Format form you choose which output formats you want to use with your solution type. For more details, please see Results Output Format, 405.......Page 329
Defines the degree-of-freedom component at the Normalization Point to be used. This can only be selected if Normalization Method is set to Point. This parameter cannot be specified if Extraction Method is set to Lanczos. This is the C field on the EI.........Page 331
Buckling......Page 334
Defines the conversion factor between weight and mass measures. This defines the setting of the WTMASS parameter.......Page 335
On the Results Output Format form you choose which output formats you want to use with your solution type. For more details, please see Results Output Format, 405.......Page 336
Indicates what type of eigenvalue normalization is to be done. This parameter can take one of two settings: Maximum or Point. This parameter cannot be specified if Extraction Method is set to Lanczos. This is the NORM field on the EIGB entry.......Page 338
Defines the degree-of-freedom component at the Normalization Point to be used. This, too, can only be selected if Normalization Method is set to Point. This parameter cannot be specified if Extraction Method is set to Lanczos. This is the C field on .........Page 339
Complex Eigenvalue......Page 340
Defines the conversion factor between weight and mass measures. This defines the setting of the WTMASS parameter.......Page 341
On the Results Output Format form you choose which output formats you want to use with your solution type. For more details, please see Results Output Format, 405.......Page 342
Indicates what type of eigenvalue normalization is to be done. This parameter can take one of two settings: Maximum or Point. This is the NORM field on the EIGC entry.......Page 344
Defines the degree-of-freedom component at the Normalization Point to be used. This can only be selected if Extraction Method is set to Inverse Power or Determinate. This is the C field on the EIGC Bulk Data entry.......Page 345
Frequency Response......Page 346
Limits the amount of CPU time expressed in CPU minutes that can be used by this run. This is used to prevent runaway jobs. This defines the setting of the TIME Executive Control statement.......Page 347
On the Results Output Format form you choose which output formats you want to use with your solution type. For more details, please see Results Output Format, 405.......Page 348
Transient Response......Page 349
Limits the size of the MSC Nastran print file that will be generated. This defines the setting of the MAXLINES Case Control command.......Page 350
On the Results Output Format form you choose which output formats you want to use with your solution type. For more details, please see Results Output Format, 405.......Page 351
Nonlinear Transient......Page 352
Implicit Nonlinear......Page 354
Specifies the solver to be used in numerically inverting the system matrix of linear equilibrium equations.......Page 356
Contact Parameters Subform......Page 358
Restart Parameters Subform......Page 369
Advanced Job Control Subform (SOL 600)......Page 371
Domain Decomposition is used to partition the model into seperate parts (domains) for parallel processing. The Method used to do this is named Domain Decomposition Method (DDM). This form designates that domain decomposition be done manually, semi-au.........Page 372
Click Create to create Domain Information spreadsheet rows. After doing this the number of rows will equal the value of Number of Domains in the form. If Decomposition Method is set to Manual, the previously created group names will be selectable in .........Page 374
User Defined Services......Page 375
MSC_SDK_PATH and User Source File fields appear on the simple form and show the current settings of the variables, whether they are defined or not. If the variables are defined then the textboxes show the
(the actual settings of the variables).........Page 376
Optional input data (integer, real, characters) required for a user subroutine. Clicking on the cell will open a spreadsheet where you can enter the data.......Page 377
Fatigue Parameters Subform......Page 378
DDAM......Page 386
DDAM in Patran......Page 387
Indicates that MSC Nastran will define grid point normals for a Faceted Shell Surface based on the Tolerance Angle. This data appears on a PARAM, SNORM entry.......Page 389
On the Results Output Format form you choose which output formats you want to use with your solution type. For more details, please see Results Output Format, 405.......Page 390
Limits the amount of CPU time expressed in CPU minutes that can be used by this run. This is used to prevent runaway jobs. This defines the setting of the TIME Executive Control statement.......Page 391
Sol700 Parameters Subform......Page 392
.......Page 393
Hourglass Setting Subform......Page 394
.......Page 395
Merge Rigid Material Subform......Page 396
.......Page 397
Dynamic Relaxation for Restart Subform......Page 398
Click the checkbox to specify that convergence control is to be automatic using the Papadrakakis method.......Page 399
Damping Per Property Subform......Page 400
This subordinate form appears when Rigid Body Switch and Merge button is selected on the Sol700 Parameters and Extra Data form of either Explicit Nonlinear or other structural Solution Type where Sol700 is available such as:......Page 401
.......Page 402
Define Set of Parts to be Switched Subform......Page 404
Define Inertial Properties of Rigid Body Subform......Page 406
Eulerian Parameters Subform......Page 407
This subordinate form appears when SPH Control Parameters (SPH refers to smooth “particle hydrodynamics”) button is selected on the Sol700 Parameters and Extra Data form of either Explicit Nonlinear or other structural Solution Type where Sol700 .........Page 410
.......Page 411
Results Output Format......Page 413
ADAMS Preparation......Page 415
3.6 Select Superelements......Page 417
3.7 Subcases......Page 419
Deleting Subcases......Page 420
Editing Subcases......Page 421
Linear Static Subcase Parameters......Page 422
Nonlinear Static Subcase Parameters......Page 424
Arc-Length Method Parameters......Page 426
Nonlinear Transient Subcase Parameters......Page 427
Normal Modes Subcase Parameters......Page 429
Complex Eigenvalue Subcase Parameters......Page 431
Transient Response Subcase Parameters......Page 433
Frequency Response Subcase Parameters......Page 436
Implicit Nonlinear Subcase Parameters......Page 443
Static Subcase Parameters for Implicit Nonlinear Solution Type......Page 444
Implicit Nonlinear Buckling Subcase Parameters......Page 445
Implicit Nonlinear Transient Dynamic Subcase Parameters......Page 446
Implicit Nonlinear Creep Subcase Parameters......Page 448
Implicit Nonlinear Body Approach Subcase Parameters......Page 449
Implicit Nonlinear Complex Eigenvalue Subcase Parameters......Page 450
Load Increment Parameters......Page 451
Iteration Parameters......Page 459
Contact Table......Page 464
Advanced Parameters Subform......Page 467
Contact Boundary Subform......Page 470
Defines groups of elements to be active or deactive for the subcase.......Page 471
Defines parameter values for modeling break squeal. (SOL 400 only).......Page 472
Solvers/Options......Page 473
DDAM Subcase Parameters......Page 476
Explicit Nonlinear Subcase Parameters......Page 478
Contact Table......Page 482
Additional Contact Data......Page 483
Additional Information......Page 484
3.9 Output Requests......Page 486
Basic Output Requests......Page 487
Advanced Output Requests......Page 489
Requests nodal accelerations.......Page 490
Requests the form and type of nonlinear element stress output.......Page 491
Edit Output Requests Form......Page 499
or_value......Page 501
x......Page 502
25......Page 503
Subcases Direct Text Input......Page 504
SOL 600 Output Requests......Page 505
DDAM Output Requests......Page 511
Mode by Mode Output......Page 512
3.10 Select Explicit MPCs.........Page 516
CONROD, PBAR, PBARL, PBCOMP, PBEAM, PBEAML, PBEND, PCOMP, PCONEAX. PRAC2D, PROD, PSHEAR, PSHELL, PTUBE......Page 517
3.12 Select NSM Properties.........Page 522
3.13 Subcase Select......Page 523
Select Steps for New Subcases (Step Creation)......Page 525
Define Fatigue Load Sequences......Page 527
Fatigue Load Sequences for time domain SOLs 101, 103, & 111......Page 529
Fatigue Load Sequences for SOLs 108 & 111(frequency response)......Page 531
3.14 Restart Parameters......Page 539
3.15 Optimize......Page 545
3.16 Toptomize......Page 547
Objectives & Constraints......Page 549
Optimization Control......Page 550
Design Domain......Page 553
Postprocessing......Page 557
Scenario 2......Page 558
Miscellaneous......Page 559
Analysis Form......Page 560
Select Modal Results .DBALL......Page 561
Loading Form......Page 563
Create a Field Form......Page 565
Output Selection Form......Page 566
Define Frequencies Form......Page 567
Chapter 4: Read Results......Page 569
4.1 Accessing Results......Page 570
Output2 Formats......Page 571
MASTER Formats......Page 572
3dplot Formats......Page 574
OUTPUT2......Page 575
Defining Translation Parameters for DDAM (SOL 187)......Page 576
XDB and HDF5......Page 577
MASTER......Page 578
T16/T19......Page 581
Results......Page 582
Global Variables......Page 588
XY Plots......Page 589
Model Data......Page 590
4.3 Supported T16/T19 Results Quantities......Page 591
Nodal Results......Page 596
Elemental Results......Page 603
4.5 Supported 3dplot Results Quantities......Page 623
4.6 Supported HDF5 Result Quantities......Page 625
Chapter 5: Read Input File......Page 627
5.1 Review of Read Input File Form......Page 628
Read Input File Form......Page 629
Entity Selection Form......Page 631
Define Offsets Form......Page 634
Summary Data Form......Page 636
Reject Card Form......Page 638
Coordinate Systems......Page 639
Referential Integrity......Page 640
Elements and Element Properties......Page 641
BAROR and BEAMOR Definitions......Page 644
Set Name Extensions......Page 645
Materials......Page 646
Load Sets......Page 647
TABLES......Page 649
Fatigue Related Entries......Page 650
Conflict Resolution for Entities Identified by Names......Page 651
Chapter 6: Delete......Page 653
6.1 Review of Delete Form......Page 654
6.2 Deleting an MSC Nastran Job......Page 655
Chapter 7: Files......Page 657
7.1 Files......Page 658
Chapter 8: Errors/Warnings......Page 661
8.1 Errors/Warnings......Page 662
Ap. A: Preference Configuration and Implementation......Page 663
1.1 Software Components in Patran MSC Nastran......Page 664
1.2 Patran MSC Nastran Preference Components......Page 665
1.3 Configuring the Patran MSC Nastran Execute File......Page 668
Index......Page 669
