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Release Notes CFS Designer™ Software
    Version 2.0.2
  • Performance issues related to speed when designing Stacked Walls were fixed.
  • Issues in Walls with Openings that could cause a crash when switching from a Walls with Openings model to a Beam Input model were fixed.
  • The Walls with Opening on-screen Summary Report checkbox for Wall Studs was fixed to remain unchecked if unchecked by the user.
  • An error was fixed that caused the ‘Save’ dialog box to appear in Walls with Openings even if no input changes had occurred.
  • An error that would cause a crash if certain Walls with Openings dimensions were input incorrectly was fixed.
  • The Shear Wall Results screen now shows v(allowable) in red if it is less than v(applied).
    Version 2.0.1
  • Cantilever (parapet) deflections were added to Walls with Openings Summary Report
  • The Summary Report for HSS analysis was updated to include negative support reactions
  • The on-screen Member Summary was updated to correctly show the moment ratio heading Mmax/Mayo for Y-Y Axis members and to include the Ft-lb units for Ma(Brc).
  • The User Interface was updated to properly display the location of Point and Sloped Loads on Wall Stud or Beam/Joist models
  • The Walls with Openings maximum height validation value was increased to 100 ft for each input height.
  • The Walls with Openings UI was updated to allow zero input for the dimension between the header and the upper support location.
  • A bug that for certain combinations of Walls with Openings input would not allow the user to save 97-mil framing members was fixed.
  • Updates to printing were made to eliminate extraneous pages from reports.
  • A bug that caused Beam Input models with Built-Up sections to not save correctly was fixed.
  • For Beam Input models with Built-Up sections, the on-screen summary and the Summary Report were updated to eliminate the M + Torsion column.
  • Summary Report notes regarding connection multipliers for opposite load direction were deleted from reports where connection designs were not included.
  • A handful of minor bugs that caused incorrect validation warnings and errors to be displayed were fixed.
  • Section input dropdowns were updated to include consistent ranges of flange size and thickness for all the Design Tools
  • A bug that could cause WorkSpace Reports to print incorrectly when Walls with Openings were included was fixed.
  • The on-screen code year display for HSS designs was corrected to consistently read “ANSI/AISC 360-10, ASD”.
    Version 2.0
  • Added a new tool that automates the design of a system of stacked load-bearing walls for up to 8-stories of stud framing. Existing CFS Designer V1.5 users can contact
    cfs-designer@strongtie.com for a coupon for $100 off the normal price.
  • Text format issues for headers in the Floor Joist report have been fixed.
  • Fixed a UI issue associated with Cb input for the General Interactions module.
  • For the General Interactions module, the input Lm value for distortional buckling was not being correctly applied. This bug has been fixed.
  • For the General Interactions module, an incorrect validation error appeared when Axial Lm was set to zero. This has been fixed.
  • HSS sections have been updated to ANSI/AISC 360-10.
  • For the X-Bracing module, a bug has been fixed to prevent a program crash when using text input for the chord axial bracing.
  • For the Wall with Opening module, a bug associated with sill reactions for certain duplicated models has been fixed.
  • The default for Cold-Work of Forming was incorrectly set to “Ignore”. This default has been changed to “Include”.
    Version 1.5
  • CFS Designer has been updated for the AISI S100-2012 Code. The User’s Manual has also been updated to reflect this addition.
  • Corrected the Summary Report for Boxed and Back-Back members so that the allowable weak-axis bending moment is not displayed for these members. CFS Designer does not calculate weak-axis properties for Boxed and Back-Back members.
  • Corrected a bug associated with the calculation of Cb when KyLy was set to “None”.
  • In the Floor Joist module, fixed a bug concerning the On-Screen Summary Report for the Moment Ratio. The report was based on 60 inches when it should have been set to Full Bracing.
  • Corrected a bug for X-Bracing. The program was incorrectly calculating the number of required fasteners when the Seismic Increase Factor was set to “Strap Strength”.
  • When the Code Year was set to 2010, the program was resetting the Code Year Label to 2007 when switching between program modules. The calculations were being carried out correctly for the 2010 Code; it was just the label under Member Settings that was in error.
  • For certain loading configurations under Beam Input the wall stud dimensions were not displayed in the Summary Report. This has been fixed.
  • For Sloped Loads input under Beam Input a validation error will now be generated if Y-Start is greater than Y-End. The program was previously not displaying this error.
  • For Point Loads input under Beam Input a validation error will now be generated for point loads that fall off the end of the beam/stud. The program was not previously displaying this error.
  • A few users were having issues generating Workspace Reports for certain large files. This bug has been fixed.
    Version 1.4.2
  • V1.4.2 fixes the January 1, 2016 auto update bug
    Version 1.4.1.0
  • V1.4.1.0 permits users to give a unique name to custom sections.
  • A bug with on-screen member summary results was resolved.
  • Bugs associated with printing workspace reports and saving files with built-up members have been resolved.
  • The sheathing braced design option for axial loaded studs was not working in V1.4 and has been fixed in V1.4.1.0.
  • V1.4 was giving SUBH bridging solutions when the bracing was set to "None". V1.4.1.0 fixes this issue.
  • The User's Manual has been updated to include information on Simpson Strong-Tie® connectors.
    Version 1.4
  • For the General Interactions module the program was previously allowing inputs for weak axis bending for z-sections. These inputs are now grayed out since CFS Designer does not calculate weak axis bending capacity for z-sections.
  • Some of the dropdown boxes for z-section input dimensions were not functioning properly. This has been fixed.
  • The help file has been updated to address recently added functionality.
  • A bug associated with the erroneous input of point loads falling off the end of a beam or stud has been fixed.
    Version 1.3
  • A new summary report has been created for the Beam Input Design Tool. One page output will now be produced for a two-span condition with top and bottom cantilevers.
  • Summary reports for all models in a workspace can now be printed in a consolodated .pdf file using the WorkSpace Report button.
  • Z-Sections can now be analyzed under Custom Sections.
  • The section graphics have been enhanced under Custom Sections.
  • Graphics have been added to the drop-down boxes for connections.
  • LSUBH bridging connectors are now designed along with SUBH and MSUBH connectors.
  • Designers can now choose to design bridging connectors using 2% of the applied load per AISI S211, or 1% of nominal load per AISI S100.
  • Fixed a bug concerning the reported deflection for beams/studs that don't have bending loads.
  • Fixed a bug with the allowable axial load for sheathing braced design for the Beam Input Design Tool.
  • Fixed a bug concerning the reported reactions for built-up members for the Beam Input Design Tool.
  • Fixed a bug concerning the on-screen summary results for the maximum value of the shear/moment interaction for the Beam Input Design Tool.
  • The X-Brace Design Tool has been updated for the IBC 2012 code and will now check the aspect ratio for Section C4.1 of AISI S213-07/S1(2012). An aspect ratio greater than 2 is not permitted.
  • For the X-Braced Design Tool a bug for manually entered connection design values has been fixed.
  • For the Shearwall Design Tool the program now uses the Framing Thickness instead of the Chord Thickness to determine the allowable shear.
  • For the Shearwall Design Tool the program has been updated for the IBC2012.
    Version 1.2
  • Fixed typos in the Interaction Summary Report, the Wall with Opening Summary report, the X-Braced Summary Report, and the General Interactions Summary Report.
  • Fixed a bug with the On-Screen Connector Summary when Track/Other was selected in certain scenarios.
  • Output resolution has been enhanced for graphic images.
  • A note concerning sheathing fasteners has been added to the Shearwall Summary Report.
  • The validation limits for the Deflection Load Modifier have been relaxed.
  • Fixed errors with the status bar not turning red, and for correctly displaying the deflection limit when lateral loads are not present.
  • The program will now prompt users to save before duplicating models.
  • For General Interactions, fixed bugs associated with calculating Cb, and y-axis bending for boxed sections.
  • Fixed a bug so that the Diagram Tab will not disappear after resetting point loads and sloped loads.
    Version 1.1
  • Fixed various bugs associated with built-up members with the beam input tool.
  • Fixed the on-screen member summary and status bar for the beam input tool to display the proper deflection values.
  • Fixed the KtLt axial bracing setting for the beam input tool so that it enables and disables properly.
  • Fixed a small typo in the summary report for the wall with opening tool.
  • Fixed the program so that sheathing braced design cannot be selected for Y-Y axis bending.
  • Fixed a small bug associated with validation errors with custom CFS sections in the beam input tool.
  • Added a summary report for built-up members.

CFS Designer™

Version: 2.0.2

Category: Cold-Formed Steel
Released: June 6, 2017

Release Notes Requirements


New! CFS Designer v2.0.2 includes a Stacked Wall Design Tool that automates design for 8 stories of load-bearing CFS stud framing.

Simpson Strong-Tie® CFS Designer™ gives cold-formed steel (CFS) Designers the ability to design CFS beam-column members according to AISI specifications and to analyze complex beam loading and span conditions. Intuitive design tools automate common CFS systems such as wall openings, up to eight stories of load-bearing studs, compression posts for shearwalls, and floor joists with unbalanced live-load combinations. CFS Designer™ allows the design of multiple systems within the same job file, and supports connection design for specific Simpson Strong-Tie® curtain wall and bridging connectors like the SUBH u-channel bridging connector.

Additional features include:

  • Simpson Strong-Tie CFS Designer provides a beam-column design tool that allows Designers to model up to 3-span beams with overhangs at each end. Designers can also add a complex array of distributed, sloped, and point loads.
  • CFS Designer automates the complicated design provisions of the AISI CFS Specification. Stress checks include; braced and unbraced moment, shear, web-crippling, axial strength, and all code-required combined interactions. The 2010, 2007, and 2004 AISI Specifications are covered by the software.
  • CFS Designer enables the design of single stud and track members, built-up box-sections, back-back sections, nested stud and track sections. In addition, when CFS members are not a practical solution, the software enables the design of HSS sections according to the AISC 13th Ed.
  • In addition to modeling beam problems, CFS Designer also provides a set of tools that automate the design of wall openings for windows and doors, x-braced and sheathed shearwalls, floor joists, roof rafters, and now with V2.0 up to eight sories of load-bearing studs.
  • CFS Designer automates the selection of Simpson Strong-Tie SUBH/MSUBH bridging connectors, as well as SCB, SCW, SSB, and FCB curtain-wall connectors.
  • CFS Designer provides an intuitive user interface that enables the engineer to save engineering models in a single file. Output files are generated in Adobe Acrobat format and can be saved as separate files as needed.

Want to learn more? Watch an overview in our Video Library.

CFS Designer
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Tutorials

Getting Started with Beam Input

Wall with Opening

Advanced Settings and Key Features

Stacked Walls Tutorial Video for CFS Designer

System Requirements

1. Microsoft Windows® 2003 or newer.
2. Microsoft .NET Framework 4.0 Client Profile
3. Adobe Reader 9.0
4. Display Resolution 1280 x 768

Support

Our Technical Support Department hours are M–F from 8am–5pm Pacific Time.

In most cases you will receive a response in two business days or less.


Have questions? Please contact us at cfs-designer@strongtie.com.


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© 2015 Simpson Strong-Tie Company Inc.