Results Output by OptiStruct
The tables in this section summarize the results output for different analysis types. They show the formats available for each result and the I/O Option Entry that controls the output of the result.
- H3D
- Hyper3D format (.h3d file
- HM
- HyperMesh format (.res file)
- OP2
- Nastran Output2 format (.op2 file)
- PCH
- Nastran Punch format (.pch file)
- OPT
- OptiStruct ASCII format (multiple files)
- PAT
- Patran and Alternative-Patran formats (multiple files)
- H3D (MBD)
- Hyper3D format for body results (_mbd.h3d file)
- MRF
- Multibody results file (_mbd.mrf file)
- HDF5
- Hierarchical data format (.h5 file)
Linear Static Analysis and Nonlinear Static Analysis Results
H3D | HM | OP2 | PCH | OPTI | PAT | HDF5 | Controlling I/O Option | |
---|---|---|---|---|---|---|---|---|
Nodal Displacements | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | DISPLACEMENT |
Element Strain Energy | ✓ | ✓ | ✓ | ✓ | ESE | |||
Element Stresses^{4} | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | STRESS / ELSTRESS |
Element Strains ^{4} | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | STRAIN | |
Ply Stresses | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | CSTRESS | |
Composite Failure Indices | ✓ | ✓ | ✓ | ✓ | CFAILURE | |||
Ply Strains | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | CSTRAIN | |
Element Forces | ✓ | ✓ | ✓ | ✓ | ✓ | ✓^{#} | FORCE / ELFORCE | |
Failure output for elements | ✓ | FAILURE | ||||||
Grid Point Stresses | ✓ | ✓ | ✓ | ✓ | GPSTRESS / GSTRESS | |||
SPC Forces | ✓ | ✓ | ✓ | ✓ | ✓^{#} | SPCFORCE | ||
MPC Forces | ✓ | ✓ | ✓ | ✓ | ✓^{#} | MPCFORCE | ||
Grid Point Forces | ✓ | ✓ | ✓ | ✓ | ✓^{#} | GPFORCE | ||
Applied Loads | ✓ | ✓ | ✓ | ✓ | ✓^{#} | OLOAD | ||
Contact Force and Pressure | ✓ | ✓ | ✓ | CONTF | ||||
Total Force | ✓ | TOTALFORCE |
# Available only for Linear Static Analysis
Linear Steady-state Heat Transfer Analysis Results
Linear Transient Heat Transfer Analysis Results
Normal Modes Analysis Results
H3D | HM | OP2 | PCH | OPTI | PAT | HDF5 | Controlling I/O Option | |
---|---|---|---|---|---|---|---|---|
Eigenvectors | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | DISPLACEMENT |
Element Kinetic Energy | ✓ | ✓ | ✓ | ✓ | EKE | |||
Element Strain Energy | ✓ | ✓ | ✓ | ✓ | ESE | |||
Grid Point Energy | ✓ | GPKE | ||||||
Grid Point Stress | ✓ | ✓ | GPSTRESS / GSTRESS | |||||
Element Stresses ^{4} | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | STRESS / ELSTRESS | |
Element Strains ^{4} | ✓ | ✓ | STRAIN | |||||
Element Forces | ✓ | FORCE / ELFORCE | ||||||
SPC Forces | ✓ | ✓ | ✓ | ✓ | SPCFORCE | |||
MPC Forces | ✓ | ✓ | ✓ | ✓ | MPCFORCE | |||
Grid Point Forces | ✓ | ✓ | ✓ | ✓ | GPFORCE | |||
Nodal Pressures (Fluid) | ✓ | ✓ | ✓ | PRESSURE | ||||
Ply Stresses | ✓ | CSTRESS | ||||||
Ply Strains | ✓ | CSTRAIN |
Complex Eigenvalue Analysis Results
H3D | OP2 | PCH | Controlling I/O Option | |
---|---|---|---|---|
Eigenvectors | ✓ | ✓ | ✓ | DISPLACEMENT |
Linear Buckling Analysis Results
H3D | HM | OP2 | PCH | OPTI | HDF5 | Controlling I/O Option | |
---|---|---|---|---|---|---|---|
Eigenvectors | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | DISPLACEMENT |
Shell Element Forces | ✓ | ✓ | ✓ | FORCE |
Aeroelastic Divergence Analysis Results
Result | H3D | OP2 | PCH | Controlling I/O Option |
---|---|---|---|---|
Eigenvectors | ✓ | ✓^{#} | ✓^{#} | DISPLACEMENT |
Element Energy Loss Per Cycle | ✓ | ✓^{#} | EDE | |
Element Kinetic Energy | ✓ | ✓^{#} | EKE | |
Element Strain Energy | ✓ | ✓^{#} | ESE |
# In aeroelastic divergence analysis with multiple Mach numbers, only H3D output is available.
Aeroelastic Flutter Analysis
Result | H3D | OP2 | PCH | Controlling I/O Option |
---|---|---|---|---|
Displacements | ✓ | ✓ | ✓ | DISPLACEMENT |
Modal Participation Displacements* | ✓ | ✓^{#} | SDISPLACEMENT |
* SDISPLACEMENT output is available only for K, PK and PKNL methods of aeroelastic flutter analysis.
# PCH output for SDISPLACEMENT is available only in sorting = SORT1.
Frequency Response Analysis Results
H3D | HM | OP2 | PCH | OPTI | HDF5 | XYPUNCH | Controlling I/O Option | |
---|---|---|---|---|---|---|---|---|
Nodal Displacements | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | DISPLACEMENT | |
Modal Participation Displacements | ✓ | ✓ | ✓ | ✓ | SDISPLACEMENT | |||
Element Energy Loss Per Cycle | ✓ | ✓ | ✓ | EDE | ||||
Element Kinetic Energy | ✓ | ✓ | ✓ | EKE | ||||
Element Strain Energy | ✓ | ESE | ||||||
Nodal Velocities | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | VELOCITY | |
Modal Participation Velocities | ✓ | ✓ | ✓ | ✓ | SVELOCITY | |||
Nodal Accelerations | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ACCELERATION | |
Modal Participation Accelerations | ✓ | ✓ | ✓ | ✓ | SACCELERATION | |||
Element Stresses ^{4} | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | STRESS / ELSTRESS |
Element Strains ^{4} | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | STRAIN |
Modal Stresses ^{3} | ✓ | ✓ | ✓ | STRESS / ELSTRESS | ||||
Modal Strains ^{3} | ✓ | ✓ | ✓ | STRAIN | ||||
Element Forces | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | FORCE / ELFORCE |
SPC Forces | ✓ | ✓ | ✓ | ✓ | SPCFORCE | |||
MPC Forces | ✓ | ✓ | MPCFORCE | |||||
Grid Point Forces | ✓ | ✓ | ✓ | ✓ | GPFORCE | |||
Grid Point Stresses | ✓ | ✓ | GPSTRESS / GSTRESS | |||||
Power Flow Field | ✓ | POWERFLOW | ||||||
Ply Stresses | ✓ | CSTRESS | ||||||
Ply Strains | ✓ | CSTRAIN | ||||||
Sound Power | ✓ | |||||||
Sound Intensity | ✓ | SINTENS | ||||||
Sound Pressure Level | ✓ | SPL | ||||||
Applied Load Vectors | ✓ | ✓ | ✓ | ✓ | OLOAD | |||
Composite Failure Indices | ✓ | CFAILURE |
Coupled Frequency Response Analysis of Fluid-structural Models (Acoustic Analysis) Results
H3D | OP2 | PCH | HDF5 | Controlling I/O Option | |
---|---|---|---|---|---|
Nodal Displacements | ✓ | ✓ | ✓ | DISPLACEMENT | |
Modal Participation Displacements | ✓ | ✓ | ✓ | ✓ | SDISPLACEMENT |
Nodal Velocities | ✓ | ✓ | ✓ | VELOCITY | |
Modal Participation Velocities | ✓ | ✓ | ✓ | ✓ | SVELOCITY |
Nodal Accelerations | ✓ | ✓ | ✓ | ACCELERATION | |
Modal Participation Accelerations | ✓ | ✓ | ✓ | ✓ | SACCELERATION |
Nodal Pressures (Fluid) | ✓ | ✓ | ✓ | ✓ | PRESSURE |
Element Stresses ^{4} | ✓ | ✓ | ✓ | STRESS / ELSTRESS | |
Element Strains ^{4} | ✓ | ✓ | ✓ | STRAIN | |
Element Forces | ✓ | ✓ | ✓ | FORCE / ELFORCE | |
SPC Forces | ✓ | ✓ | ✓ | SPCFORCE | |
MPC Forces | ✓ | ✓ | MPCFORCE | ||
Grid Point Forces | ✓ | ✓ | ✓ | GPFORCE | |
Power Flow Field | ✓ | POWERFLOW | |||
Ply Stress | ✓ | CSTRESS | |||
Ply Strain | ✓ | CSTRAIN | |||
Applied Forces via ACSRCE | ✓ | ✓ | ✓ | OLOAD |
Transient Analysis Results
H3D | HM | OP2 | PCH | OPTI | HDF5 | Controlling I/O Option | |
---|---|---|---|---|---|---|---|
Nodal Displacements | ✓ | ✓ | ✓ | ✓ | ✓ | DISPLACEMENT | |
Modal Participation Displacements | ✓ | ✓ | ✓ | ✓ | SDISPLACEMENT | ||
Nodal Velocities | ✓ | ✓ | ✓ | ✓ | ✓ | VELOCITY | |
Modal Participation Velocities | ✓ | ✓ | ✓ | ✓ | SVELOCITY | ||
Nodal Accelerations | ✓ | ✓ | ✓ | ✓ | ✓ | ACCELERATION | |
Modal Participation Accelerations | ✓ | ✓ | ✓ | ✓ | SACCELERATION | ||
Element Stresses ^{4} | ✓ | ✓ | ✓ | ✓ | ✓ | STRESS / ELSTRESS | |
Element Strains ^{4} | ✓ | ✓ | ✓ | ✓ | ✓ | STRAIN | |
Failure output for elements | ✓ | FAILURE | |||||
SPC forces | ✓ | ✓ | ✓ | SPCFORCE | |||
Grid point forces | ✓ | ✓ | ✓ | ✓ | GPFORCE | ||
Modal Stresses ^{3} | ✓ | ✓ | ✓ | STRESS / ELSTRESS | |||
Modal Strains ^{3} | ✓ | ✓ | ✓ | STRAIN | |||
Element Forces | ✓ | ✓ | ✓ | ✓ | FORCE / ELFORCE | ||
MPC Forces | ✓ | ✓ | MPCFORCE | ||||
Ply Stresses | ✓ | ✓ | ✓ | CSTRESS | |||
Ply Strains | ✓ | ✓ | ✓ | CSTRAIN | |||
Composite Failure Indices | ✓ | CFAILURE | |||||
Applied Load Vectors | ✓ | ✓ | ✓ | ✓ | OLOAD | ||
Equivalent Radiated Power | ✓ | ERP |
Transient Analysis via Fourier Transformation Results
H3D | HM | OP2 | PCH | OPTI | Controlling I/O Option | |
---|---|---|---|---|---|---|
Nodal Displacements | ✓ | ✓ | ✓ | ✓ | DISPLACEMENT | |
Nodal Velocities | ✓ | ✓ | ✓ | ✓ | VELOCITY | |
Nodal Accelerations | ✓ | ✓ | ✓ | ✓ | ACCELERATION | |
Pressure (for Infinite Element Analysis) | ✓ | ✓ | DISPLACEMENT |
Steady State Analysis
Steady State analysis refers to subcases with ANALYSIS=STEADY where a combination of Frequency Response and Linear static subases are converted into and results are output in the Transient domain.H3D | HM | OP2 | PCH | Controlling I/O Option | |
---|---|---|---|---|---|
Nodal Displacements | ✓ | DISPLACEMENT | |||
Stresses | ✓ | STRESS | |||
Equivalent Radiated Power (ERP) | ✓ | ERP |
Random Response Analysis Results
OP2 | PCH | H3D | HDF5 | Controlling I/O Option | |
---|---|---|---|---|---|
Displacement (PSD, RMS and RMS (Cumulative)) |
✓ ^{#} | ✓ | ✓ | DISPLACEMENT, XYPEAK / XYPLOT / XYPUNCH | |
Velocity (PSD, RMS and RMS (Cumulative)) |
✓ ^{#} | ✓ | ✓ | VELOCITY, XYPEAK / XYPLOT / XYPUNCH | |
Acceleration (PSD, RMS and RMS (Cumulative)) |
✓ ^{#} | ✓ | ✓ | ACCELERATION, XYPEAK / XYPLOT / XYPUNCH | |
Element Force (PSD and RMS) |
✓ | ✓ | FORCE / ELFORCE, XYPEAK / XYPLOT / XYPUNCH | ||
Element Stress
(PSD) |
✓ | ✓ | ✓ | STRESS / ELSTRESS, XYPEAK / XYPLOT / XYPUNCH | |
Element
Stress (RMS) |
✓ | ✓ ^{1} | ✓ | STRESS / ELSTRESS | |
Element
Strain (PSD) |
✓ | ✓ | STRAIN, XYPEAK / XYPLOT / XYPUNCH^{2} | ||
Element
Strain (RMS) |
✓ | STRAIN | |||
SPC Force (PSD, RMS and RMS) |
✓ ^{#} | ✓ | ✓ | SPCFORCE | |
Composite Stress (PSD and RMS) |
✓ | CSTRESS | |||
Composite Strain (PSD and RMS) |
✓ | CSTRAIN | |||
Acoustic panel participation factors | ✓ | ✓ | PFPANEL | ||
Cross-power spectral density function | ✓ | ✓ | RCROSS |
# In case of .pch format, only PSD and RMS results are available
Response Spectrum Analysis Results
H3D | HM | OP2 | PCH | OPTI | Controlling I/O Option | |
---|---|---|---|---|---|---|
Nodal Displacements | ✓ | ✓ | ✓ | DISPLACEMENT | ||
Nodal Accelerations | ✓ | ✓ | ACCELERATION | |||
Element Stresses | ✓ | ✓ | ✓ | STRESS / ELSTRESS | ||
Element Strains | ✓ | ✓ | STRAIN | |||
Element Forces | ✓ | ✓ | FORCE | |||
MPC Forces | ✓ | MPCFORCE |
Multibody Dynamics Analysis Results
H3D | HM | OP2 | H3D (MBD) | MRF | Controlling I/O Option | |
---|---|---|---|---|---|---|
Nodal Displacements | ✓ | ✓ | ✓ | ✓ | DISPLACEMENT | |
Nodal Velocities | ✓ | ✓ | ✓ | VELOCITY | ||
Nodal Accelerations | ✓ | ✓ | ✓ | ACCELERATION | ||
Element Stresses ^{4} | ✓ | ✓ | ✓ | ✓ | STRESS / ELSTRESS | |
Element Strains ^{4} | ✓ | ✓ | ✓ | ✓ | STRAIN | |
Body time history | ✓ | |||||
System time history | ✓ | |||||
Marker time history | ✓ | REQUEST | ||||
Element and Joint Forces | ✓ | MBFORCE |
Fatigue Analysis Results
CMS Generation (Flex-Body Generation) Results
H3D | OP2 | MNF | Controlling I/O Option | |
---|---|---|---|---|
Displacements | ✓ | ✓ | DISPLACEMENT | |
Element Stresses | ✓ | ✓ | STRESS / ELSTRESS | |
Element Strains | ✓ | ✓ | STRAIN | |
Element Forces
(CBEAM/CBAR/CROD) |
✓ | ✓ | FORCE / ELFORCE | |
Grid Point Stress (Solid elements) | ✓* | ✓* | ✓** | GPSTRESS / GSTRESS |
Grid Point Strain | ✓** | GPSTRAIN | ||
Multi Point Constraint Force | ✓ | MPCFORCE | ||
Grid Point Forces | ✓ | GPFORCE |
* Only output for Solid elements.
** Output for Solid and Shell elements.
CMS DMIG Residual Run (FE DMIG) Results
H3D | OP2 | PCH | Controlling I/O Option | |
---|---|---|---|---|
Displacements | ✓ | ✓ | ✓ | DISPLACEMENT |
Element Stresses | ✓ | ✓ | ✓ | STRESS / ELSTRESS |
Element Strain | ✓ | ✓ | ✓ | STRAIN |
Element Forces (CBEAM/CBAR/CROD) | ✓ | FORCE / ELFORCE | ||
Grid Point Stress (Solid elements) | ✓* | GPSTRESS / GSTRESS | ||
Equivalent Radiated Power | ✓ | ERP | ||
Element Strain Energy | ✓ | ESE |
* Only output for solid elements.
Explicit Dynamic Analysis Results (ANALYSIS=NLEXPL)
H3D^{5} | HM | OP2 | PCH | OPTI | Controlling I/O Option | |
---|---|---|---|---|---|---|
Nodal Displacements and Rotations | ✓ | DISPLACEMENT | ||||
Nodal Velocities | ✓ | VELOCITY | ||||
Nodal Accelerations | ✓ | ACCELERATION | ||||
Element Stresses | ✓ | STRESS / ELSTRESS | ||||
Element Strains (including Plastic strain) For rate dependent plasticity problems, Equivalent Strain rate and Plastic Strain rate results are output. If the problem is elastic, these values are zero. |
✓ | STRAIN | ||||
CBUSH Element Forces | ✓ | FORCE / ELFORCE | ||||
Element Strain energy and Strain energy density | ✓ | ESE |
Optimization Results
References