Simcenter Nastran and MSC Nastran boundary conditions

The tables list the Pre/Post boundary conditions (loads, constraints, and simulation objects), the associated analysis types, and the Simcenter Nastran and MSC Nastran bulk entries to which they correspond.

Loads

Icon	Load	Supported Nastran Analysis Type	Corresponding Nastran Bulk Entry
	Acceleration	Structural (all except SOL 107, 110, 402, 601, 701)	ACCELACCEL1
	Acoustic Dipole	Acoustic or vibro-acoustic, for the following solution types only:SOL 108 Direct Frequency ResponseSOL 111 Modal Frequency ResponseSOL 200 Design Sensitivity Analysis	ACPOLE2
	Acoustic Monopole	Acoustic or vibro-acoustic, for the following solution types only:SOL 108 Direct Frequency ResponseSOL 111 Modal Frequency ResponseSOL 200 Design Sensitivity Analysis	ACPOLE1
	Acoustic Panel Normal Velocity	Acoustic or vibro-acoustic	ACPNVEL
	Acoustic Plane Wave	Acoustic or vibro-acoustic, for the following solution types only:SOL 108 Direct Frequency ResponseSOL 111 Modal Frequency ResponseSOL 200 Design Sensitivity Analysis	ACPLNW
	Axial 1D Element Deformation	SOL 101SOL 105 Linear BucklingSOL 200 Design Optimization	DEFORM
	Bearing	Structural (all except SOL 103 Real Eigenvalues and SOL 110 Modal Complex Eigenvalues)SOL 414 Rotor Dynamics (except complex modal subcase in SOL414,110)SOL 200 Design Sensitivity Analysis	FORCE
	Bolt Pre-Load	SOL 101SOL 103 Response DynamicsSOL 200 Design Sensitivity AnalysisSOL 401 Multi-Step NonlinearSOL 402 Multi-Step Nonlinear KinematicsSOL 601,106 Advanced Nonlinear StaticsSOL 601,129 Advanced Nonlinear Transient	BOLTFORBOLTFRC (SOL 401 and SOL 402)
	Centrifugal Pressure	Structural (all except SOL 103 Real Eigenvalues and SOL 110 Modal Complex Eigenvalues)SOL 414 Rotor Dynamics (except complex modal subcase in SOL414,110)	PLOAD4
	Darea Nodal Force and Moment	SOL 200 Design Area Sensitivity	DAREA
	Distributed Force	SOL 401 Multi-Step Nonlinear	FORCDST
	Enforced Motion from External File	SOL 108 and SOL 111 with standard FEM or FEM Adaptive Order methodSOL 200 Design Sensitivity Analysis	SPCF
	Enforced Motion Load	SOL 200 Design Sensitivity AnalysisSOL 401 Multi-Step NonlinearSOL 402 Multi-Step Nonlinear KinematicsSOL 414 Rotor Dynamics (except complex modal subcase in SOL 414,110)	SPCD
	Fluid Penetration Pressure	SOL 401 Multi-Step NonlinearSOL 402 Multi-Step Nonlinear Kinematics	PLOADFP
	Force	Structural (all except SOL 103 Real Eigenvalues and SOL 110 Modal Complex Eigenvalues)Axisymmetric StructuralSOL 414 Rotor Dynamics (except complex modal subcase in SOL 414,110)	FORCE
	Force from External File	SOL 108SOL 111SOL 200 Design Sensitivity Analysis	RLOADEX
	Gravity	Structural (all except SOL 103 Real Eigenvalues and SOL 110 Modal Complex Eigenvalues)Axisymmetric StructuralSOL 414 Rotor Dynamics (except complex modal subcase in SOL414,110)	GRAV
	Heat Flux	ThermalAxisymmetric Thermal	QBDY3, QBDY2, QHBDY
	Heat Generation	Thermal	QVOL
	Hydrostatic Pressure	Structural (all except SOL 103 Real Eigenvalues and SOL 110 Modal Complex Eigenvalues)SOL 414 Rotor Dynamics (except complex modal subcase in SOL414,110)	PLOAD4
	Initial Stress/Strain	Simcenter Nastran SOL 401 Multi-Step Nonlinear	INITS
	Moment	Structural (all except SOL 103 Real Eigenvalues and SOL 110 Modal Complex Eigenvalues)SOL 414 Rotor Dynamics (except complex modal subcase in SOL414,110)SOL 200 Design Sensitivity Analysis	MOMENT
	Nodal Force Location	SOL 103 – Response DynamicsSee Nodal Force Location dialog box for more information.	USET1,U3
	Nodal Pressure	Structural (all except SOL 103 Real Eigenvalues and SOL 110 Modal Complex Eigenvalues)Axisymmetric StructuralSOL 414 Rotor Dynamics (except complex modal subcase in SOL414,110)	PLOAD4 (Structural only), PLOADE1 (Axisymmetric Structural only), and PLOADX1 (Axisymmetric Structural only)
	Non-Structural Mass	StructuralThermal	NSMNSM1
	Pressure	Structural (all except SOL 103 Real Eigenvalues and SOL 110 Modal Complex Eigenvalues)Axisymmetric StructuralSOL 414 Rotor Dynamics (except complex modal subcase in SOL414,110)	PLOAD4 (Structural only), PLOAD2 (Structural only), PLOAD1 (Structural only), and PLOADX1 (Axisymmetric Structural only)
	Radiation	ThermalAxisymmetric ThermalSOL 414 Rotor Dynamics (except complex modal subcase in SOL414,110)	RADBC
	Rotation	Structural (all except SOL 103 Real Eigenvalues and SOL 701 Explicit Advanced Nonlinear Analysis)Axisymmetric Structural	RFORCE
	Surface Dipole	Acoustic or vibro-acoustic for SOL 108 Direct Frequency ResponseVibro-acoustic, for the following solution types only:SOL 111 Modal Frequency ResponseSOL 200 Design Sensitivity Analysis	ACSPO2
	Temperature	Structural (all except SOL 103 Real Eigenvalues and SOL 110 Modal Complex Eigenvalues)Axisymmetric StructuralSOL 414 Rotor Dynamics (except complex modal subcase in SOL414,110)	TEMP
	Torque	Structural (all except SOL 103 Real Eigenvalues and SOL 110 Modal Complex Eigenvalues)SOL 414 Rotor Dynamics (except complex modal subcase in SOL414,110)	FORCE
	Unbalance Mass	SOL 414,111 Harmonic AnalysisSOL 414,129 Transient Analysis	UNBA
	Unit Force	SOL 200 Design Sensitivity Analysis	DAREA

Constraints

Icon	Constraint	Nastran Analysis Type	Corresponding Nastran Bulk Entry
	Anti-Symmetric Constraint	StructuralSOL 414 Rotor Dynamics	SPC
	Automatic Coupling	StructuralSOL 414 Rotor Dynamics	MPC
	Convection	ThermalAxisymmetric Thermal	CONV
	Cylindrical Constraint	StructuralSOL 414 Rotor Dynamics	SPC
	Enforced Acceleration	Structural, for the following solution types only:SOL 108 Direct Frequency ResponseSOL 109 Direct Transient ResponseSOL 111 Modal Frequency ResponseSOL 112 Modal Transient Response	SPCD
	Enforced Displacement Constraint	StructuralAxisymmetric Structural	SPCD
	Enforced Motion Location	SOL 103 – Response DynamicsSee Enforced Motion Location dialog box for more information.	USET1,U2
	Fixed Constraint	StructuralAxisymmetric StructuralSOL 414 Rotor Dynamics	SPC
	Fixed Rotation Constraint	StructuralSOL 414 Rotor Dynamics	SPC
	Fixed Translation Constraint	StructuralSOL 414 Rotor Dynamics	SPC
	Manual Coupling	StructuralAxisymmetric StructuralSOL 414 Rotor Dynamics	MPC
	Pinned Constraint	StructuralSOL 414 Rotor Dynamics	SPC
	Roller Constraint	StructuralSOL 414 Rotor Dynamics	SPC
	Simply Supported Constraint	StructuralSOL 414 Rotor Dynamics	SPC
	Slider Constraint	StructuralSOL 414 Rotor Dynamics	SPC
	Symmetric Constraint	StructuralSOL 414 Rotor Dynamics	SPC
	Thermal Constraints	ThermalAxisymmetric Thermal	SPC
	Transient Initial Conditions	Structural, for the following solution types only:SOL 129 Nonlinear Transient ResponseSOL 402 Multi-Step Nonlinear KinematicsSOL 601,129 Advanced Nonlinear Transient	TIC
	User Defined Constraint	StructuralAxisymmetric StructuralSOL 414 Rotor Dynamics	SPC (Structural only)SPC1
	Velocity	Structural, for the following solution types only:SOL 108 Direct Frequency ResponseSOL 109 Direct Transient ResponseSOL 111 Modal Frequency ResponseSOL 112 Modal Transient Response	SPCD

Solver-Specific Simulation Objects

Icon	Simulation Object	Nastran Solution Type	Corresponding Nastran Bulk Entry
	Acoustic Absorber	Acoustic or vibro-acoustic, for the following solution types only:SOL 103 Real Eigenvalues (Simcenter Nastran only)SOL 107 Direct Complex Eigenvalues (Simcenter Nastran only)SOL 108 Direct Frequency Response (Simcenter Nastran only)SOL 110 Modal Complex Eigenvalues (Simcenter Nastran only)SOL 111 Modal Frequency Response (Simcenter Nastran only)SOL 200 Design Sensitivity Analysis	CAABSFPAABSF
	Acoustic Continuity	SOL 200 Design Sensitivity Analysis (Simcenter Nastran vibro-acoustic only)	ACTRAD
	Advanced Axisymmetric Nonlinear Contact	For the following Simcenter Nastran axisymmetric solution types only:SOL 601,106 Advanced Nonlinear StaticsSOL 601,129 Advanced Nonlinear Transient	BCTSET
	Aero Element Correction Factor	SOL 145 Aeroelastic Flutter	DMI
	Aero Spline	SOL 145 Aeroelastic Flutter	SPLINE1
	Automatically Matched Layer	SOL 200 Design Sensitivity Analysis (Simcenter Nastran vibro-acoustic only)	AMLREG
	Co-simulation Region	Simcenter Nastran STAR CCM+ Co-Simulation	BEDGEBSURFBSURFS
	Cyclic Symmetry	For the following Simcenter Nastran solution types only:SOL 401 Multi-Step NonlinearSOL 402 Multi-Step Nonlinear KinematicsSOL 414 solutions for a Rotor Dynamics analysis	CYCSET
	Edge-to-Edge Contact	Simcenter Nastran Structural or Axisymmetric Structural solutions only	PLOADE1
	Edge-to-Edge Gluing	Structural, for the following Simcenter Nastran solution types only:SOL 101 Linear Statics (Global Constraints and Subcase Constraints)SOL 103 Real EigenvaluesSOL 105 Linear BucklingSOL 106 Nonlinear StaticsSOL 108 Direct Frequency ResponseSOL 109 Direct Transient ResponseSOL 111 Modal Frequency ResponseSOL 112 Modal Transient ResponseSOL 200 Design Sensitivity AnalysisSOL 401 Multi-Step NonlinearSOL 402 Multi-Step Nonlinear KinematicsSOL 414 Rotor Dynamics	BGSETBEDGE
	Edge-to-Surface Gluing	Structural, for the following Simcenter Nastran solution types only:SOL 101 Linear Statics (Global Constraints and Subcase Constraints)SOL 103 Real EigenvaluesSOL 105 Linear BucklingSOL 106 Nonlinear StaticsSOL 108 Direct Frequency ResponseSOL 109 Direct Transient ResponseSOL 111 Modal Frequency ResponseSOL 112 Modal Transient ResponseSOL 200 Design Sensitivity AnalysisSOL 401 Multi-Step NonlinearSOL 414 Rotor Dynamics (except SOL 414,129 Transient Response Analysis	BGSET
	Element Birth/Death	Structural, for the following Simcenter Nastran solution types only:SOL 601,106 Advanced Nonlinear StaticsSOL 601,129 Advanced Nonlinear TransientSOL 701 Explicit Advanced Nonlinear Analysis	EBDSET
	Element Add/Remove	Simcenter Nastran SOL 401 Multi-Step Nonlinear	ELARELAR2
	Fourier Multi Harmonic and 3D Coupling	For the following Simcenter Nastran solution types only:SOL 402 Multi-Step Nonlinear KinematicsSOL 414 solutions for a Rotor Dynamics analysis	FMH3D
	General Contact/Glue	Structural, for the following MSC Nastran solution types only:SOL 101 Linear Statics - Global ConstraintsSOL 101 Linear Statics - Subcase ConstraintsSolution 103 Real Eigenvalues	BCCONECT
	Material Override	Simcenter Nastran SOL 401 Multi-Step Nonlinear	MATOVR
	Non-Structural Mass	StructuralVibro-acoustic for SOL 200 Design Sensitivity Analysis only	NSMLNSML1
	Panel	Vibro-acoustic, for the following solution types only:SOL 103 Real Eigenvalues (Simcenter Nastran only)SOL 107 Direct Complex Eigenvalues (Simcenter Nastran only)SOL 108 Direct Frequency Response (Simcenter Nastran only)SOL 110 Modal Complex Eigenvalues (Simcenter Nastran only)SOL 111 Modal Frequency Response (Simcenter Nastran only)SOL 200 Design Sensitivity Analysis	PANEL
	Protective Layers	For the following Simcenter Nastran solution types only:SOL 401 Multi-Step NonlinearSOL 402 Multi-Step Nonlinear Kinematics	DMIG
	Report	SOL 401 Multi-Step NonlinearSOL 402 Multi-Step Nonlinear KinematicsSOL 414,111 Harmonic Response AnalysisSOL 414,129 Transient Response Analysis	MONVAR
	Rotor Dynamics Definition	For Simcenter Nastran only, structural for the following solution types only:SOL 107 Direct Complex EigenvaluesSOL 108 Direct Frequency ResponseSOL 109 Direct Transient ResponseSOL 110 Modal Complex EigenvaluesSOL 111 Modal Frequency ResponseSOL 112 Modal Transient ResponseSOL 414 Rotor Dynamics	ROTORBROTORDROTORG
	Surface-to-Surface Contact	Structural, for the following Simcenter Nastran solution types only:SOL 101 Linear Statics (Global Constraints and Subcase Constraints)SOL 105 Linear BucklingSOL 401 Multi-Step NonlinearSOL 402 Multi-Step Nonlinear KinematicsSOL 601,106 Advanced Nonlinear Statics	BCRPARABCTPAR2 (SOL 402 only)BCTPARMBCTSETBSURFBSURFSBCTPARA (SOL 601,106 only)
	Surface-to-Surface Gluing	Structural, for the following Simcenter Nastran solution types only:SOL 101 Linear Statics (Global Constraints and Subcase Constraints)SOL 103 Real EigenvaluesSOL 105 Linear BucklingSOL 106 Nonlinear StaticsSOL 108 Direct Frequency ResponseSOL 109 Direct Transient ResponseSOL 111 Modal Frequency ResponseSOL 112 Modal Transient ResponseSOL 200 Design Sensitivity AnalysisSOL 401 Multi-Step NonlinearSOL 402 Multi-Step Nonlinear KinematicsSOL 414 Rotor Dynamics	BGSET
	Transfer Admittance	SOL 200 Design Sensitivity Analysis (Simcenter Nastran vibro-acoustic only)	ACTRADPACTRAD
	Virtual Thread Contact	SOL 402 Multi-Step Nonlinear Kinematics	BVTSETBVTADDBVTPAR

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Simcenter Nastran and MSC Nastran environments

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Controlling the Nastran iterative solver

Allocating DBset size

Modeling thermal strain in a Nastran analysis

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Simcenter Nastran and MSC Nastran boundary conditions, Simcenter 3D 2021.1 Series

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