Release Notes

3.6.0  Aug 05 2024

  • Improvements to DIPOLE module (what else ?):
    • Row re-ordering of datasets in PLOT tab
    • Add multiple selection of datasets in PLOT tab
    • Display Real/Imaginary parts in PLOT tab
    • Display correlation between pilot sensors in PILOTS tab
    • Use pilot correlation to determine sign changes in FRF
    • Use phase of pilots as reference in RAW plots of FRF
    • Option to import limits using points (e.g. responses) as an alternative to the segment format
    • Relocate NOTCH menu in PRIMODAL window closer to SENSOR
  • DMAP primodal_v2024.dmp for MSC/NASTRAN v2024

3.5.0  Apr 25 2024

  • Improvements to DIPOLE module:
    • Bug fix in displayed PSHELL and PCOMP IDs
    • Import/Export options for Spec SPL and PSD
    • RESP tab for nodal responses and CELAS/CBUSH forces
    • STRESS tab compatible HEXA, PENTA, TETRA elements
    • Export added mass and damping to DMI tables for use in standard SOL 111 via dmap add_mc_v2018.dmp
    • STRESS tab for RMS and PSD stresses in volume elements
  • Improvements to NOTCH module:
    • Import/Export sensor status (r,x) in PLOT and NOTCH tabs
    • Bug fix when displaying Target RMS values in NOTCH tab
    • WordPlot in PLOT tab to print responses to Word file
    • Use Amplitude/Phase interpolation with phase unwrapping when merging UNV files with different frequencies
    • Units for combined responses using COCA and UNIT files
    • MASSOP with COG acceleration
    • MASSOP with choice of acceleration units (g or m/s2)
  • Improvements to SENSOR module:
    • Export of Initial or Normalized responses to UNV file
  • Bug fix when importing PBUSH entries for particular number of entries and NASTRAN version
  • First version OCHECK module:
    • Orthogonality checks between FE and TEST models
    • Use of condensed matrices using Guyan reduction
    • Natural frequencies associated with condensed matrices
    • Management of local reference frames
    • Orthogonality, Normalized Orthogonality and MAC values

3.4.2  Jan 09 2024

  • Improvements to NOTCH module:
    • Release PCH file (fclose) after importing
    • Take into account complex PSD when computing rms values
    • Bug fix when computing rms values under a segment with slope close to but not equal to -1 dB/oct
  • Bug fix in NASTRAN INCLUDE utility: relative paths that appear explicitly are always defined w.r.t. level 0

3.4.1  Nov 13 2023

  • Improvements to NOTCH module:
    • Rename datasets in DATABASE tab
    • Option to plot the octave bands without PSD in PLOT tab
    • Export octave bands to UNV/EXT/ClipBoard
    • Frequency Line in NOTCH tab
    • Selection of sensor from Rank panel using new toggle “R”
    • New toggle buttons in NOTCH tab for graphical control
    • RMS notching using all limits or selected sensor limit
    • Bug fix in Cutting Line in NOTCH tab when plotting rank
    • Bug fix in alinement of frequency scales due to zero abscissa values not plotted when using log scale
    • Bug fix when importing spring forces using CELAS in coca
    • Maximum number of ranks displayed in Rank panel modifiable in param_notch.m configuration file
  • Improvements to DIPOLE module:
    • Bug fix when defining SPL profile
    • Log file created when calculating Pjump

3.4.0  Oct 05 2023

  • First version of DIPOLE module:
    • Vibro-acoustic response of unbaffled shell structures
    • Acoustic elements using PHSELL and PCOMP entries
    • Use of plane waves to determine blocked pressure
    • Added mass and damping due to radiation effects
    • Definition of acoustic elements using PHSELL and PCOMP
    • Management of multiple configurations
    • Graphical display of modes, areas, ka values, pressure
    • Generation of all NASTRAN entries for random analysis
  • ABAQUS interface for model importing
  • Improved “SG001 to NASTRAN” utility:
    • Matrices do not have to immediately follow NPCO and FRD tables in SG001 file
    • Contents of all NPCO/FRD tables can be displayed
    • SPOINT can be renumbered with optional starting ID

3.3.6  Aug 30 2023

  • Improvements to NOTCH module:
    • Enhanced cutting line with dB distance option (dB distance expressed as 10log10(ytop/ybottom)
    • Verify that pilot sensors have non-zero amplitudes over entire frequency range
  • Compatibility with MATLAB >= 2022a
  • Bug fix in zoom and pick toggles in RESP module
  • Import element STRAIN and KINETIC energies to RESP module
  • PCH to UNV conversion in RESP module extended to time and frequency responses
  • Improvements to MEANDEF Utility:
    • Bug fix when importing h5 without any SET entries
    • For each GRID SET, filter out GRID IDs not in model
    • Bug fix when other than volume elements are present
    • Bug fix for outputs other than STRESS and STRAIN
  • Bug fix in SOLO module when displaying responses due to slightly negative STL values

3.3.5  Apr 05 2023

  • Bug fix in ORTHOPT module for models with a single MAT9
  • Orthogonality Check in COMP module using DMIG mass matrix
  • NOTCH module improvements:
    • Bug fix in identified effective parameters in PLOT tab
    • Bug fix when all sensors are inactive in NOTCH tab
    • Bug fix in NOTCH tab when exporting sensor names
    • Bug fix in NOTCH tab when displaying un-notched RMS values in Target panel of NOTCH tab
    • New BIP format with optional third column to prescribe slopes as alternative to x and y values
    • Units file for Nastran import includes separate entries for MPCF, SPCF, CELAS and CBUSH response types
    • Improved plot modes in NOTCH tab: Response Plot, Rank Plot and Unit Limits Plot
    • Improved management of Selected Limits in NOTCH tab for All and Reduced sensors
    • Tabular export of notched BIP in NOTCH tab now includes all notchers instead of notchers for a selected rank

3.3.4  Sep 20 2022

  • NOTCH module improvements:
    • Choice of interpolation (lin or log) for base input and limits profiles (SINE datasets only). RAND datasets always use log interpolation
    • Power parameter in PLOT tab to raise plotted responses to a user-defined power (typically 2 or 1/2)
    • Template for importing UNIV files in order to read properties located in first 5 records of dataset
    • COMB file compatible with SinePost format
    • COMB file can contain intermediate output sensors not declared in the COCA file
    • Optional removal of repeated sensors during PCH import
    • Increase the number of datasets in the PLOT tab to 20
    • Display dataset name at top of listbox in PLOT tab
    • Improved graphics picking in PLOT, PILOTS and LIMITS
    • Dataset selection figure in PLOT tab is now resizeable

3.3.3  Jul 28 2022

  • NOTCH module improvements:
    • Frequency range selection when importing UNIV datasets
    • Automatic removal of zero-frequency point when importing responses to avoid problems with log-related operations
    • Import of PCH files which do not have line numbers in columns 72-80 (e.g. Optistruct)
    • Optional display of “unclipped” notched BIP in order to see notching margin
  • Bug fix in MODI module when opening model

3.3.2  Jun 14 2022

  • Bug fix in NOTCH Mass Operator when importing superelement PCH file created with ASET grids containing a single DOF

3.3.1  May 18 2022

  • Bug fix in NOTCH when editing BIP manually or graphically
  • Bug fix in NOTCH when importing large PUNCH files

3.3.0  Apr 20 2022

  • NOTCH module with random notching capabilities:
    • Import of PSD (or conversion of FRF to equivalent PSD)
    • Computation of RMS values for full range and by bands
    • Display of average PSD by 1, 1/3 and 1/6 octave ranges
    • Use of PSD limits and/or RMS limits
    • Adjustement of PSD limits via target RMS values

3.2.3  Mar 14 2022

  • New message boxes with default keyboard actions
  • Improvements to NOTCH module
    • Improved editor for limits in LIMITS and NOTCH tab
    • Improved editor for BIP in PILOT and NOTCH tab
    • Auto-update in TABLES tab when selecting options

3.2.2  Feb 21 2022

  • Improvements to NOTCH module
    • Bug fix in PLOT tab when selecting A-Z checkbox
    • Display sensor name when picking values in PLOT tab
    • Increase format precision in exported BIP file
    • Display rms value in PLOT tab legend when applicable
    • Display rms value in PILOT tab legend when applicable

3.2.1  Jan 21 2022

  • Bug fix when importing model to a newly created project
  • Bug fixes in DATABASE tab of NOTCH module:
    • Load panel listbox when selecting loads
    • UNV and EXT interface when importing Test dataset
    • PCH and H5 interface when importing Analysis dataset

3.2.0  Jan 14 2022

  • Upgraded to MATLAB v2019a – corresponding MCR required
  • MATLAB version requires v2018a or more recent
  • Porous materials using equivalent fluids in RESP module
  • Folder selection in Project Manager
  • Improvements to NOTCH module
    • NASTRAN response input via H5 file
    • Define and convert units when importing PCH and H5 files
    • Editing of response limitations directly in NOTCH tab
    • Display and export of BIPN and CN values in NOTCH tab

3.1.5  Oct 02 2021

  • Bug fix in NX V10.2 import with fluid cavities
  • Nastran Import improvments:
    • Improved Nastran version check for CQUAD8 elements
    • For OP2, import modes from OUG1 if OUGV1 does not exist
  • CHOQ module improvements:
    • Add velocity V(t) to DynaWorks export table

3.1.4  May 03 2021

  • Bug fix in NX/NASTRAN dmap v10.2 (models with rigid modes)
  • Bug fixes in SOLO module:
    • Managing porous and fluid models
    • Analyzing FE models with rigid body modes

3.1.3  Mar 03 2021

  • Bug fix when creating animated GIF in COMP module

3.1.2  Feb 15 2021

  • Bug fix when importing nastran DMIG entries containing the letter D in the expression (e.g. 1.23D-5)

3.1.1  Jan 05 2021

  • Improvements to SOLO module:
    • STL and volume velocity PSD
    • Graphical display of STL and volume velocities on mesh
    • Improved STL computation with display of remaining time
    • Rw and average dB performance indicators
    • Vibration absorbers via TVD configurations

3.1.0  Nov 18 2020

  • First version of CHOQ module for shock synthesis using fast sine sweep (FSS) method

3.0.17  Nov 13 2020

  • Bug fix in SENOPT with MATLAB 2018 when editing Pilots or creating wireframe mesh
  • Use selected modes only when exporting bulk from NASTAR
  • Bug fix importing models with CBUSH using Nastran v2020
  • Bug fix in VIAC animation when changing animation params
  • Bug fix in 3D plot of zones using Show/Hide Zones

3.0.16  Jul 31 2020

  • Bug fix in Tappa for COCA for grids not in ascending order
  • Bug fix in NX-NASTRAN dmap when importing kinetic energies

3.0.15  Jun 10 2020

  • Bug fix in modal kinetic energies using NX/Nastran V9 & 10

3.0.14  Jan 29 2019

  • Bug fix when animating complex reference modes in COMP
  • Bug fix in frequencies imported from NX V9.0

3.0.13  Nov 27 2019

  • Bug fix in rank table for Limit of selected sensor

3.0.12  Nov 25 2019

  • Save variables exceeding 2 GB (MATLAB >= R2017a only)
  • Correction in Nastran version detection for MAT2 and MAT9
  • Indicate Primodal build in exported reduced models
  • Viscoelastic zones using multiple mode sets

3.0.11  Jul 19 2019

  • Bug fix in IDEN when specifying Fmin during FRF import
  • Bug fix when importing BULK mesh with large format entries
  • Speed improvements for MATLAB 2018a version

3.0.10  May 17 2019

  • Improved Nastran version detection for MAT2 and MAT9
  • Improvements to SENSOR module:
    • Bug fix to avoid left-handed New Coordinate Systems
    • Flip only when gain in orientation error > 0.1

3.0.9  May 10 2019

  • Improvements to NOTCH module:
    • COMB file can now be imported with PCH file
    • Use linear interpolation by default when importing AD02

3.0.8  Apr 29 2019

  • New dmap primodal_v2017.dmp for MSC/NASTRAN >= V2017
  • Bug fix in SENSOR for COCA file entries w/o responses
  • Bug fix in NASTRAN INCLUDE tool when using relative paths
  • Bug fix in detection of residual modes in Nastran import

3.0.7  Mar 11 2019

  • Single precision option in SOLO to reduce required memory
  • Bug fix in MASS OP to allow for “GRID *” entries in PCH
  • DMIG with TIN = 2 allowed (although “E” exponent assumed)

3.0.6  Jan 29 2019

  • Introduce padding for animation in TAPPA module
  • Optional fmin selection when importing FRF in IDEN module

3.0.5  Dec 04 2018

  • Bug fix when exporting time history in TOMA module
  • NASTRAN import with duplicate GRID and CORD IDs

3.0.4  Oct 16 2018

  • Bug fix when exporting pilot inaccuracy BIP in PILOTS tab
  • Bug fix in mesh plot of solid elements using fast graphics

3.0.3  Oct 05 2018

  • Faster 3D graphics for models with large number of solids
  • Cutting Plane refresh performed after mouse release
  • Bug fix when using MODESELECT in NASTRAN

3.0.2  Sep 19 2018

  • Bug fix when opening build history with blanks in filepath

3.0.1  Aug 30 2018

  • Bug fixes in NOTCH module:
    • Menus in EXT file import window were not working
    • Wrong selected responses exported to UNV file
    • Incorrect results using Pilot Inaccuracies in BIP tab

3.0.0  Jul 24 2018

  • First delivery of V3.0
  • Official release of NOTCH module
  • New SOLO module for sound transmission loss in panels
  • Compatibility with MATLAB V2018a

2.9.16  Jul 16 2018

  • Bug fixes in NOTCH module:
    • Inactive sensors excluded when determining rank
    • BIP magnitude plotted in PLOT tab (was real part)
    • Limits in RUN tab properly displayed
    • Picking values in PILOTS tab
  • Bug fix in SENSOR module when coca file references sensors that are not in the experimental mesh
  • More reliable nas_call function to determine end of job by searching for “finished” text in LOG file

2.9.15  Jun 18 2018

  • Improvments to Mass Operator in Notch module:
    • Compatible with local coordinate systems in NASTRAN model
    • Compatible with condensed models containing superelements
    • ASET may contain a superset of DOF used by COCA file
    • Optional BULK file to define local sensor orientations
    • Check mode to verify input data and display results
  • Improvements to OP4 Scan utility:
    • Works with binary and text OP4 files
    • Export one or all matrices to MAT-file
  • Bug fix when selecting Reference model in UPDATE, CRE_LOC and CRE_UP modules

2.9.14  May 16 2018

  • Mass operator import option without DMAP in NOTCH module
  • Improvements to IDEN module when importing FRF:
    • Automatic generation of sensor name when blank or “NONE”
    • Limit frequency range to user-defined fmax
  • REDMOD module user interface automatically saved
  • Coupled fluid-structure enhancements:
    • DMAP scripts for NASTRAN V2010 and V2013-present
    • Viscous damping taken into account
    • Minor bug fixes
  • Bug fix in Effective Mass tables for models with fluid cavities and models with complex modes

2.9.13  Dec 18 2017

  • Improved fluid-structure coupled analysis:
    • Improved DMAP for SOL 103 couple analysis
    • New DMAP for SOL 107 coupled analysis
    • Compatibility with sensitivity analysis and reduced models
  • Improvements in SENSOR module:
    • Improved algorithm for determining new coordinate systems
    • Animation fo responses via Pick Values icon
  • Bug fix when displaying effective masses in IDEN
  • Padding used by default when animating mesh in IDEN
  • Corrections in ABAQUS and MARC reduced models

2.9.12  Oct 31 2017

  • New AERO module for evaluating aerodynamic stability of flexible rocket nozzles subjected to a compression shock

2.9.11  Jul 11 2017

  • Import of superelement strain energies via .pm4 and .red files
  • Table of entire MAC matrix in COMP module
  • Response import in RESP module via TEXT file

2.9.10  Jun 12 2017

  • Bug fix in Notch module when using Print menu

2.9.9  Jun 02 2017

  • Energy decomposition dmap script primodal_nrg_v2017.dmp for MSC/NASTRAN >= v2017
  • Minor bug fixes (control issues) in ORTHOPT module

2.9.8  May 09 2017

  • New TAPPA module for inspecting, analyzing and validating FRF obtained from modal survey tests
  • Selection of optimal excitation points in SENOPT module
  • Node pairing option in COMP module using correspondence file containing Model-Reference node pairs
  • Rigid junction node “JRIGID” available in RESP module for models with hyperstatic (indeterminate) junctions

2.9.7  Apr 03 2017

  • Bug fix in Notch module when using cutline with log scales
  • Import fluid cavity modes for future STL module
  • SAMCEF import: render model import independent of model size

2.9.6  Mar 09 2017

  • Bug fix in Project Manager when performing rename, repath and remove of projects

2.9.5  Mar 04 2017

  • Bug fix in NASTRAN model import with repeated element IDs involving elements with no property cards (CELAS2, etc)

2.9.4  Feb 20 2017

  • Bug fix in IDEN when importing mesh with no elements

2.9.3  Jan 31 2017

  • SAMCEF interface compatible with V15, V16 and V17
  • Reduce marker size of nodes in 3D plots

2.9.2  Jan 23 2017

  • SAMCEF interface improvements:
    • Modes with MF = 0, 1 and 4
    • Addition of CPENTA and CTETRA volume elements

2.9.1  Jan 09 2017

  • Junction DOF added to ABAQUS import ($ JUNCTION DOF)

2.9.0  Dec 12 2016

  • First delivery of V2.9:
    • New VOLUMES module for modification of elements within user-defined volumes
    • New ORTHOPT module for optimization of orthotropic material engineering constants
    • Sensitivity analysis for orthotropic materials
    • Matlab version ported to most recent versions of MATLAB
    • Compiled version available for V2012a and V2013a MCR
    • License control features for rental version
    • Parameterized management of Build number and date
    • Numerous enhancements and bug fixes