NEWS.md

News

Version 5.65 - 07/20/2024

• Help messages refreshed and reworked, all in-program help moved to linked html

Version 5.60 - 06/09/2024

• Added initial free vibration code and first plate example
• free vibration only works in batch mode at this time, see/examples

Version 5.50 - 05/27/2024

• Added force-based constrained finite strip method (fcFSM) examples and capabilities
• fcFSM only works in batch mode at this time, see /examples
• Bug fixes on interface with cross-section generator crashing main program

Version 5.30 - 04/19/2024

• Speed enhacements on creating interface
• Bug fix on color of 2D out-of-plane (warping) mode shape
• Path statements in cufsm5 made platform independent and more robust

Version 5.20 - 01/24/2024

• Several big fixes to plastic surface builder.
• Further improved Sheng Jin's 3D plotting code and made default.
• Added optional vectorized analysis for improved performance on large problems.
• Added examples and batchcufsm5 code, for non-GUI based use of CUFSM.
• Miscellaneous Github best practice cleanups with files.

Version 5.06 - 01/02/2024

• Moved management to GitHub for the code.
• Merged in Sheng Jin's 3D plotting code.

Version 5.05 - 12/28/2023

• Cleanups for R2023b.
• Critically, strip.m renamed to stripmain.m because strip has become reserved word - source of lots of user problems.
• Also removed the waitbar from analysis, seemed to cause more problems and hung windows, possibly related to strip.m issue but removed.
• Some functionality removed: holehelper(), abaqus_me(), and MASTAN in/out. Will separate into their own tools, or bring back in the future version.
• Changed CUTWP to use global variables instead of load and save, this should now work in compiled versions bringing back this functionality to those users.

Version 5.04+ - 07/07/2023

• Fixed eigs call in strip() which throws an error in R2022.

Version 5.04+ - 07/08/2021

• Fixed bug on plastic surface gridding when thetap is nonzero (thetap is changed to degrees in plasticbuild_cb (line 94) to fix the error).

Version 5.04 - 04/06/2020

• Debugging so version will compile on MATLAB R2020a.

Version 5.03 - 05/16/2019

• Fixed a bug with discrete springs.

Version 5.02 - 04/05/2018

• Small bug fixes, reset went to CUFSM4.

Version 5.01 - 02/26/2018

• Fixed Javascript bugs in boundcond.m that caused crashes.

Version 5.00 - 01/31/2018

• Clean up and hide some features to create a version for release to end users.

Version 4.502 - 05/17/2017

• Debug springs to ground with general end boundary conditions.

Version 4.501 - 03/24/2016-11/28/2016

• Bring in the holes tool for approximating members with holes using FSM and methods of Cris Moen's dissertation.
• Contributions from Junle Cai in this effort.

Version 4.301 - 02/26/2016

• Interface clean up and getting plastic section integrated into the code for the beam-column effort.
• plasticbuild.m added for plastic surface creation and $\beta_p$ values for yield on the PMM plastic surface.
• Contributions from Shahab Torabian in this effort.

Version 4.3 - 12/14/2015

• Working on node-to-node foundation and discrete springs
• Other improvements.

Version 4.2 - 12/11/2015

• Working on menus and program workflow.
• Added CUTWP and AbaqusMaker.
• Traditional file menu across the top replaced old buttons.

Version 4.12 - 11/06/2015-12/08/2015

• Added sharp/round corner option to the template generator.
• Reworking applied load/stress generator to be more consistent with the beam-column effort.
• Applied stress generator completely reworked, now consistent with the PMM beam-column efforts.

Version 4.11 - 10/26/2015

• Added element discretization control to the template generator.

Version 4.10 - 10/26/2015

• Add cross-section rotation for getting properties into MASTAN as desired.
• Added export to MASTAN, either user.dat or replace a section in a model.
• Added read from MASTAN into the forces for a CUFSM model, especially useful potentially for bimoment.
• Upgraded the template generator so that out-to-out or centerline dimensions can be used and upgraded plot of the template section.
• Added cross-section duplication for easing creation of built-up section.

Version 4.05 - 03/05/12

• Bugs in loader.m are fixed.
• Add digit precision for springs.
• Bugs in the post-processing are fixed.

Version 4.04 - 08/05/11

• Some small interface bugs removed.

Version 3.12 - 12/4/06

• Fixed CUFSM 3.11 so that it can read old CUFSM files.
• Commented out $\beta$ calculation until CUTWP calculations are corrected.

Version 4.03 - 09/13/10

• Major update. Zhanjie Li and Benjamin W. Schafer provided new source code.
• CUFSM now handles a suite of general boundary conditions from fix-fix to simple-simple, this adds some complexity.
• Significant interface changes.
• Lots of small interface bugs removed, $\beta$ testing to start soon.

Version 3.1 - 10/06/06

• cFSM features added to the pre- and post-processors.
• Numerous small interface improvements.

Version 3.0 - 04/30/04

• Warping section properties fixed and CUTWP integrated.
• Application of modal constraints made available for use as of 08/25/05.
• Host of small interface problems eliminated.
• Section properties won't bomb on arbitrary shapes.
• Debugging done on MATLAB Version 7.

Version 2.6b - 08/14/03

• Zoom and rotate cleaned up.
• After analysis the program jumps to the post-processor.
• Translate a node with a text box instead.

Version 2.6 - 12/09/02

• Zoom and rotate added.
• Double any element, delete any connected node.
• Added warping properties and bimoment stress generation.
• Automatic generation of master-slave constraints added for DB help.

Version 2.5 - 10/01

• Updated to MATLAB Version 6.
• Spring foundations that change with length are added to better model typical cases.
• Input pages modified for ease of use.
• Cross-section plotting improved to show thickness.
• Inputs modified to allow multiple materials in the same model.

Version 2.0e - 10/01

• Fixed bug with N and mm in the template generator.
• Added a circle in the post-processing so you can tell what length you are at.

Version 2.0d - 08/09/01

• Fixed bug with springs and constraints in DOS version.

Version 2.0c - 10/03/00

• Fixed bug with saving while in the input screen.

Version 2.0b - 10/02/00

• Fixed bug with first node set to zero displacement.

Version 2.0a - 08/28/00

• Version compatible between complied GUI and MATLAB GUI made, standalone DOS version created with trytobuild.m.

Version 2.0 - 08/23/2000

• Completely redesigned and simplified the interface with help buttons.
• Copy and print inside the program.
• Added a template generator for C- and Z-sections.
• Normal right hand coordinate system used for input and results (no more positive z-axis downward).
• Choice of eigensolvers when doing analysis.
• Higher modes may be displayed in the post-processor.
• Continuous springs have been added for consideration of external stiffness on the buckling mode.
• Visualization of fixed conditions and springs added (symbols added).
• Constraint equations may be written and imposed on the member (e.g., v1 = 2 * v2).
• Post-processor for comparing the results of multiple analyses is provided.

Version 1.0d - 12/09/97

• Section properties and generation of stress distribution module added.

Version 1.0c - 11/06/97

• Menus taken off the top of the windows to avoid confusion.
• num2str() changed to sprintf() in pre2.m file so that input files are read correctly.
• Watch added for 3D plotting.
• Waitbar added for the analysis.
• Plotting modified so that it shows the first minimum that occurs.
• Double the cross-section discretization button in the input pre-processor.

Version 1.0b - 10/22/97

• Changes to the post-processor:
  • Added 3D plotting.
  • Plotting of deformed and undeformed geometries.

Version 1.0a - 10/20/97

• Bug fixes in general input of the pre-processor.
• Bug fixes in plotting of the deformed shape for non-continuous sections.