Program Revisions

A03: Frame Analysis

2.5.42 (2012/01/09):

  • Fixed Range check error problem occurring when 'Save output with input' is selected.
  • Fixed problem with dynamics, model not full 3D and MKL solver giving out of plane displacement/mode shape componenets.

2.5.41 (2011/11/22):

  • Attended to IOerror 103 problem.

2.5.40 (2011/11/16):

  • Fixed problem with generation of .csv files for Excel when running Frame from command line.

2.5.39 (2011/11/15):

  • Attended to IOerror 103 problem.

2.5.38 (2011/11/03):

  • Corrected problem: Gap suppports combined with springs and using MKL solver.
  • Further adjustements to moment signs in harmonic analysis output file to accomodate combined stress design.

2.5.37 (2011/11/03):

  • Corrected problem with timed backups blocking saves.

2.5.36 (2011/10/27):

  • Adjustments to moment signs in output file for harmonic load cases to assist with combined stress design.
  • Scale factors in plotting of harmonic forces and moments improved.
  • Corrections to envelope plots of harmonic analysis bending moments.
  • Fixed Design Link to Apex Design.

2.5.35 (2011/10/12):

  • Corrected trussed frame generator.
  • Corrected number of groups that can be specified to be viewed simultaneously.
  • Corrected dynamic parameters dialog if new load cases added before existing ones.

2.5.34 (2011/09/21):

  • Corrected input of supports in Modeller to ignore nodes that are not visible.
  • Corrected design link behaviour to continuous beam.
  • Corrected calculation of cable forces of cable segments that change slope from positive to negative.

2.5.33 (2011/08/05):

  • Fixed problem with import of .SNF file.
  • Fixed problem encountered when importing certain files from Revit.
  • Corrected display of beam legends and nodes in full 3D for group selected display.

2.5.32 (2011/08/02):

  • Corrected CIS/2 Import/Export.

2.5.31 (2011/07/22):

  • Improved visibility of force/moment values on diagrams in OpenGL mode.
  • Fixed problem when saving output with input to locations where access is slow (e.g. over networks).

2.5.30 (2011/07/15):

  • Corrected problem: unable to enter beams using the mouse.

2.5.29 (2011/07/13):

  • Corrected deflections not shown for combinations for non-linear analysis and MKL solver.
  • Added warning message: prescribed displacements and non-linear analysis.
  • Corrected deflections: second order analysis with MKL solver - deflections reported for combinations were for ULS instead of SLS.

2.5.28 (2011/07/01):

  • Fixed direction indicator lines on shell stress and moment diagrams for load combinations.
  • Saving routines made more robust to reduce possible conflicts when saving/backing up files.

2.5.27 (2011/06/17):

  • Fixed error message encountered when using Design Links and Input Wizards.

2.5.26 (2011/06/14):

  • Corrected point loads on beams for group load option.
  • Improved analysis speed by removing unnecessary post-processing calculations for second-order and non-linear solutions.
  • Improvements to saving of backup files.

2.5.25 (2011/05/27):

  • Added MKL solver for non linear materials.

2.5.24 (2011/05/16):

  • Fixed problem with beta (beam rotation) angle when splitting beams.
  • Fixed issues with cut and paste in grids and output editor.
  • Fixed display problems with output editor.
  • Added Intel Math Kernel Library (MKL) solver (improved analysis speed for larger models).

2.5.23 (2011/05/03):

  • Corrected unreadable error displayed by Mesh Generator whenever generating a finite element mesh.

2.5.22 (2011/04/13):

  • Effective mass headings corrected. Range check error fixed.
  • Corrected notional loads applied to supports.
  • Improved axial stiffness formulation for tapered beams.
  • Increased number of beams for envelopes to 100.

2.5.21 (2011/03/08):

  • Colours of shell elements corrected.

2.5.20 (2011/02/24):

  • Further corrections to design link to Base Plate Design not addressed in version 2.5.19.

2.5.19 (2011/02/23):

  • Design link to Base Plate Design corrected; design forces from incorrect node sometimes used.

2.5.18 (2011/02/09):

  • Deflection output alignment for Harmonic Analysis corrected.

2.5.17 (2011/02/02):

  • Link to Excel corrected.
  • Load case descriptions in design links to Rectangular and Circular Column Design modules improved.

2.5.16 (2011/01/25):

  • Error message added for supports on unconnected nodes.
  • Improved design link to concrete base design.

2.5.15 (2011/01/17):

  • Output file adapted to allow for six-digit node numbers (up to 999999).

2.5.14 (2011/01/14):

  • Node number lengths for high node numbers in output file adjusted to make them readable by design modules.

2.5.13 (2011/01/13):

  • Recalculation of principal stresses in shell element centres added for better accuracy and correct angles.
  • Demo mode extended to full 3D.

2.5.12 (2010/12/01):

  • Button to plot stress strain curves removed. Use 'Material database' button to access this instead.
  • Earthquake forces modified to exclude mass effects at supports - gives slightly lower force results.
  • Adjustments to prevent read error of $temp.A03 file.

2.5.11 (2010/11/19):

  • Correction do design links to steel connections - sometimes moments/forces at opposite end of connecting beam were transferred.
  • Fixed problem when selecting bases in design links with view planes on.

2.5.10 (2010/10/26):

  • Improvements to import from Revit Structure.

2.5.09 (2010/10/22):

  • Mesh generator: if specified, supports on beam and wall lines were not included.
  • Fixed problem with saving of timed backup files.

2.5.08 (2010/10/05):

  • Corrected phase angle calculations for Harmonic analysis combinations combining load cases with the same frequencies.

2.5.07 (2010/09/15):

  • Corrected link to Steel Beam Column design for second order analysis.

2.5.06 (2010/09/13):

  • Corrected link to Concrete Base design for second order analysis.

2.5.05 (2010/09/09):

  • Fixed out of memory problem.
  • Fixed analysis status that reset on certain Design Links.
  • Fixed problem with shell edge loads and double precision setting.

2.5.04 (2010/08/27):

  • Fixed problems with importing of old FESD (.C03) files.
  • Fixed problem with 3D shell deflection contour plots.

2.5.03 (2010/07/28):

  • Fixed column and base selection for Design Links when using standard graphics engine.
  • Fixed picking of supports on supports page when rotated supports are defined.
  • Fixed solver problem with tension only elements.

2.5.02 (2010/07/22):

  • Corrected problem with deletion of rotated supports.

2.5.01 (2010/07/13):

  • Corrections to multiple selections of columns and bases in Design Links.
  • Corrected buckling analysis for shells and multiple load cases.

2.5.00 (2010/07/05):

  • New Release.
  • Added ability to select multiple columns and bases in Design Links page.

2.4.77 (2010/06/04):

  • Error message added for node no's > 1,000,000.
  • Venim mesher error fixed - now bypasses zero sized columns.

2.4.76 (2010/05/13):

  • Range check error fixed - related to drawing complex custom sections.

2.4.75 (2010/04/30):

  • Corrected moving of underlay in modeller.
  • Correction in shell smoothing routine (small effect).

2.4.74 (2010/04/16):

  • Corrections to beam moment envelopes with element point loads and second order analysis.
  • Clarified descriptions on cable splitting dialog.
  • Range check error fixed when importing DXF file.

2.4.73 (2010/03/26):

  • Corrections to Venim mesher.
  • Splitting of beams loads at intersections corrected.
  • Corrected transfer of ULS reactions to Excel.

2.4.72 (2010/03/17):

  • Display of rebar envelope load case corrected.

2.4.71 (2010/03/16):

  • Display of rebar envelope load case corrected.
  • Splitting of beams at intersections corrected.

2.4.70 (2010/02/23):

  • Further corrections/refinements to import of line loads from Revit.
  • Refinement of second-order/non linear analyses relating to gap supports to allow repeated opening/closing of gaps.

2.4.69 (2010/01/25):

  • Relaxed tolerances for reading line loads on slabs from Revit.

2.4.68 (2010/01/18):

  • Corrected cutting of columns through slabs for models imported from Revit Structure.

2.4.67 (2010/01/15):

  • Further corrections to line load input on shells in modeller.
  • Delete shell loads can now be split for point, area and edge loads.

2.4.66 (2010/01/13):

  • Corrections to line load input on shells in modeller.
  • Some range check errors fixed.

2.4.65 (2009/12/11):

  • Split SANS and Eurocode for earthqauke analysis spectrum specification.
  • Bending moment diagrams adjusted to show moments at beam ends where it is maximum.
  • Adjustments to import of unmeshed slabs for Tekla model import.
  • Fixed concave shell error message for warped shells.

2.4.64 (2009/11/10):

  • Correction to slabs imported from Revit that have an edge on the x=0 line.
  • Further adjustments made to resolve problem of Frame sometimes hanging on startup.

2.4.63 (2009/11/03):

  • Corrected Steel mass table if tension only members are used.
  • Adjustments made to resolve problem of Frame sometimes hanging on startup.

2.4.62 (2009/10/06):

  • Various minor bug fixes.

2.4.61 (2009/09/14):

  • Fixed split beams at intersections function.
  • Zoom window box re-introduced in OpenL graphics mode.
  • Some range check errors fixed.

2.4.60 (2009/08/24):

  • Fixed problems with import of beam loads from Revit.
  • Fixed adding of line loads on walls in modeller.
  • Added own weight of structure output for dynamic analysis - includes loads included as mass.

2.4.59 (2009/08/06):

  • Improvements to venim mesher.
  • Corrected access violation errors when importing models from Revit with multiple curved edges.

2.4.58 (2009/08/03):

  • Corrected import of area loading from Revit Structure - was sometimes introduced more than once.
  • Access violation errors fixed.
  • Adbeams function in modeller improved - clearer u.

2.4.57 (2009/07/17):

  • Fixed problem with behaviour factor not showing with SABS code (seismic).
  • Fixed beam transfer to Excel after seismic analysis.

2.4.56 (2009/07/17):

  • Indian code: soil type input in seismic analysis exposed.
  • Adjustments to command line mode.
  • Fixed mirror function in modeller.
  • Fixed problem with 'NAN'numbers in Design Link to Base.

2.4.55 (2009/06/25):

  • Corrected beam loads entered with descending node numbers.
  • Updated venim mesher.
  • Fixed save problem when curved slabs were imported from Revit.
  • Improved graphics for unmeshed slabs.

2.4.54 (2009/06/23):

  • Added 3D visualization of openings in custom sections.
  • Fixed bitmap load error.

2.4.53 (2009/05/27):

  • Fixed range check error when importing Strucad (.snf) files.

2.4.52 (2009/05/25):

  • Fixed problems in link from Revit structure to venim mesher.
  • Fixed problems in venim mesher relating to arcs with tiny bulges.

2.4.51 (2009/05/14):

  • Range check error fixed when importing revit models.

2.4.50 (2009/05/14):

  • Improved capacity of output data transfer to Excel.
  • Improved Design Link to base - column size also transferred.
  • Corrected issues of slab positions when importing Revit Structure models.

2.4.49 (2009/04/28):

  • Fixed modelling of wall openings coming from Revit Structure.

2.4.48 (2009/04/28):

  • Fixed duplication of point loads added to shells in modeller - occured if point load fell on a node.
  • Improved non linear iteration for catenary cable elements.

2.4.47 (2009/04/03):

  • Beam load input with group loading on and point loads that fell on nodes - point loads doubled up - corrected.
  • Link to Base Plate module adapted to allow circular columns as well.

2.4.46 (2009/03/25):

  • Fixed problem with non-linear analysis not converging on some Windows XP computers.

2.4.45 (2009/03/20):

  • Fixed problem with group numbers when moving beams in modeller.
  • Shell Element point loads listed in input portion of output file.
  • Some range check errors fixed.

2.4.44 (2009/02/25):

  • Corrected message reporting concave shell elements.
  • Corrected graphics when changing from full to sliced view and back.

2.4.43 (2009/02/13):

  • Corrected dispacement output in output file.

2.4.42 (2009/02/12):

  • Update to Venim mesher.
  • Improved equilibrium message.

2.4.41 (2009/02/04):

  • Move elements function in modeller corrected i.t.o. supports and nodal loads.
  • Removed displacement output for undefined nodes.

2.4.40 (2009/01/28):

  • Supports issues fixed.

2.4.39 (2009/01/27):

  • Improvements to imports from Revit Structure.
  • Range check error fixed.

2.4.38 (2009/01/15):

  • Importing of Arced slab sides from Revit improved.

2.4.37 (2009/01/12):

  • Added button to split concave shells.
  • Fixed 'offset beam with rigid links' function.

2.4.36 (2008/12/18):

  • Improvements to model import from Revit.

2.4.35 (2008/12/17):

  • Corrected listing of nodal coordinates in output file.

2.4.34 (2008/12/15):

  • Node number optimization removed for double precision analysis.
  • Fixed problem with some load cases not showing on nodal loads page.

2.4.33 (2008/12/12):

  • Added display of unmeshed slabs.
  • Added button for meshing unmeshed slabs.
  • Fixed range check errors.
  • Improved import of structures from Revit.

2.4.32 (2008/12/03):

  • Fixed positioning of workplane in modeller.
  • Fixed importation of slabs from Revit which sometimes came in as negative (openings).
  • Corrected 'Save output with input' option.
  • Scrollbars on very long input grids fixed.
  • Range check errors fixed.

2.4.31 (2008/11/27):

  • Corrected gap signs for spring elements.
  • Fixed indication of element forces which did not work unless the output file was viewed first.
  • Refinements to Venim Mesher.
  • Moved opening of older Frame/Fesd files to 'Import.

2.4.30 (2008/11/24):

  • Print direct from calcsheets fixed.
  • Printing of frame picture when in orthogonal projection fixed.
  • Updated venim mesher.
  • Improved saving of backup files.
  • Improvements to handle large problems.

2.4.29 (2008/11/11):

  • Importing of DXF files improved.
  • Added filtering of element forces, stresses and moments from output file to calc sheets.
  • Corrections to modeller functions.
  • Relaxed tolerances for vertical shells so that stress diagrams are consistent.
  • Fixed element weight table for taper sections.

2.4.28 (2008/11/03):

  • Refinements to models imported from Revit.
  • Notional loads fixed.
  • Range check errors fixed.

2.4.27 (2008/10/20):

  • Venim mesher update.
  • Views destroyed by renumbering model fixed.
  • Other less significant bug fixes.
  • Corrections to moment and stress transfers to Excel.

2.4.26 (2008/10/02):

  • Corrected error message occuring if set in extended precision mode for linear analysis.

2.4.25 (2008/10/01):

  • Memory allocation improved to enable larger harmonic analysis problems.

2.4.24 (2008/09/29):

  • Capacity of file streams increased.

2.4.23 (2008/09/25):

  • Improvements to mesher routines.
  • Corrections to vertical acceleration options added in version 2.4.22.
  • Improvements to modeller and graphical input.
  • Storing of template file used in modeller added.
  • Enabled recording of animation with OpenGL graphics.

2.4.22 (2008/08/30):

  • Added X-,Y- and Z-acceleration option for own weight load case.

2.4.21 (2008/08/19):

  • Corrected rotated supports.

2.4.20 (2008/08/12):

  • Improved Venim mesher & link to Revit Structure.

2.4.19 (2008/08/01):

  • Adjusted import of area, line and point loads from Revit to accomodate slab thickness.

2.4.18 (2008/07/29):

  • Improved import of beams from Revit.
  • Added function to compress node numbers.

2.4.17 (2008/07/23):

  • Import from Revit - corrected problem with Frame note responding.

2.4.16 (2008/07/23):

  • Corrected signs of moments in vertical shells.
  • Corrected display on startup.
  • Fixed vertical offset of beams introduced from Revit Structure if no slabs present.
  • Latest version of Venim mesher included.
  • Corrected graphical input of beams in modeller:sometimes incorrect section type inserted.
  • Corrected importation of upstand beams from Revit Structure 2009.
  • Corrected shell loads when duplicating or combining structures from file.

2.4.15 (2008/07/15):

  • Fixed Help, Contents.
  • Saving of ductility parameter for Earthquake analysis added.
  • Fixed adding of colums with gaps in modeller.

2.4.14 (2008/07/08):

  • Features added to modeller.
  • Range check error fixed.

2.4.13 (2008/06/27):

  • Dxf import adjusted to link layer no. to group number in Frame.
  • Added '/A' command line parameter option.
  • Fixed group shell split function.
  • Add Shells function changed to use current view plane if selected befor Add Shells function was called.

2.4.12 (2008/06/13):

  • Fixed problem with Design Link to Continuous beam module.
  • Fixed problem with link from Revit Structure: sloped slabs.

2.4.11 (2008/06/10):

  • Corrected Truss wizard - generation of loads for fink trusses.
  • Calculations using own weight in X and Z directions for beams corrected.
  • Improvements to plate mesher.

2.4.10 (2008/06/06):

  • Added own weight accelerations in X,Y and Z directions.
  • Improved Venim mesher library.
  • Adjustments to solid elements; point moments not allowed on solids.

2.4.09 (2008/05/21):

  • Enhancements relating to link to Revit Structure 2009.

2.4.08 (2008/05/06):

  • Corrected memory accumulation problem when doing second order analysis in extended precision mode.

2.4.07 (2008/04/14):

  • Corrected problem with convergence for second order and non linear analysis.

2.4.06 (2008/04/10):

  • Convergence improved for buckling and modal analysis.
  • Mesh error output improved.

2.4.05 (2008/04/09):

  • Fixed stream 7 error.
  • Fixed inicate node function in modeller workplane dialog.
  • Fixed block indication in standard graphics mode.

2.4.04 (2008/04/08):

  • Corrected group fix entry for beams with less than 4 nodes specified.

2.4.03 (2008/04/03):

  • Design Link to Combine fixed.

2.4.02 (2008/04/02):

  • Prokon dwg engine for file exchange implemented.

2.4.01 (2008/04/01):

  • Fixed display of scrollbar values on graphs.
  • Added Contour Envelope adjustment capability.

2.4.00 (2008/03/25):

  • Maintenance release

2.3.33 (2008/02/19):

  • Corrected import of point loads from Fesd (.C03) files.
  • Added function to modeller to add line loads to slabs.
  • Fixed Design Link to Base module for earthquake analysis.

2.3.32 (2008/01/25):

  • Increased number of load cases and combinations to 200 each.
  • Range check errors fixed.
  • Corrected scaling problem when sending graphics to calcsheets (OpenGL).

2.3.31 (2008/01/08):

  • Corrections to von Mises stresses in shells and solids.

2.3.30 (2007/12/12):

  • Added CQC method in earthquake analysis.
  • Corrected beam envelopes with triangular loading - moment diagrams sometimes not correct.
  • Improved link to Revit - handling of slightly curved beams.

2.3.29 (2007/11/30):

  • Fixed problem with natural frequency calculation of structures with just a few nodes.
  • Added Venim meshing library to mesh generator.
  • Design Links for Cleat, Finplate and Endplate modules implemented.
  • Small bug fixes.

2.3.28 (2007/11/09):

  • Enhancements to modeller.
  • Fixed access violation error: Harmonic analysis with save output option on.
  • Output file viewer retains position after tab switches.

2.3.27 (2007/11/05):

  • Small bug fixes.
  • Fixed truss type dropdown list for Trussed Frame wizard.

2.3.26 (2007/10/30):

  • Corrected rotated supports that are generated - rotation was not always correct for generated supports.
  • Added loads to generation of elements in modeller.

2.3.25 (2007/10/22):

  • Added meshing error estimation for shell elements.
  • Improvements to processing of Revit Structure link files.
  • Indication for isolated parts of structure added.
  • Portal and Trussed Frame generators - building length corrected for wind pressure calculation.
  • Message added warning of reactions with opposing sign to gap supports.

2.3.24 (2007/10/12):

  • Corrected spring element stiffness.

2.3.23 (2007/09/20):

  • Corrected combining function of more than one file.

2.3.22 (2007/09/14):

  • Added ability to import FESD (.C03) files.
  • Improvements to graphics.
  • Improvements to processing of Revit Structure link files.
  • Added 3D dimensioning.

2.3.21 (2007/08/17):

  • Corrected moment signs transferrred by Apex Design Link.
  • Icons added for custom grid lines in modeller.
  • Own weight of solid elements corrected for extended precision mode.
  • Corrected block generation of supports function.
  • Corrected loading on 'I2', 'H2' etc type beams for second order analysis.

2.3.20 (2007/08/03):

  • Printing / pictures to calcsheets in OpenGL mode improved.
  • Delete button added to materials dialog.
  • Splitting beams per area functionality added.
  • Corrected 3D display of saved sections.
  • Added output of ULS and SLS reactions to Excel.

2.3.19 (2007/07/27):

  • Improved speed of envelopes and force diagrams.
  • Corrected transfer of forces to Base Plate module.
  • Corrected CIS/2 import & export functions.

2.3.18 (2007/07/24):

  • Fixed problems relating to Standard/OpenGL graphics interfaces.

2.3.17 (2007/07/19):

  • Fixed problem: selecting beams with the mouse in standard graphics.
  • Storing detailed section properties and geometry in output file.

2.3.16 (2007/07/16):

  • Fixed access violation error - occurs with more than 100 section types in model.

2.3.15 (2007/07/13):

  • Added point loads on shells.
  • Moved modeller tab.
  • Enhanced modeller functions.
  • Corrected Shell Vmax values for linear analysis combinations (were somewhat overestimated).

2.3.14 (2007/06/18):

  • Corrected initial settings for shell stress contours.
  • Corrected wizard display missing on startup.

2.3.13 (2007/06/15):

  • Added rotated supports.
  • Corrected 3D display of sections designated as I2, H2, C2, D2, R2.
  • Corrected sign of beta angle in output file (sometimes swapped around).
  • Corrected display of envelopes after returningto input.

2.3.12 (2007/05/30):

  • Corrected problem in harmonic analysis where extra redundant nodes were generated.

2.3.11 (2007/05/17):

  • Addressed problems occurring with OpenGL graphics mode.

2.3.10 (2007/05/16):

  • Divide by zero error fixed.

2.3.09 (2007/05/15):

  • Access violation error fixed.

2.3.08 (2007/05/11):

  • Improvements to OpenGL modelling.
  • Corrected rotational stiffness of spring elements.

2.3.07 (2007/04/30):

  • Reduced minimum tolerance for second order to 0.001%.

2.3.06 (2007/04/26):

  • Refined add beam function in modeller.
  • Fixed problems with move node function - only works in OpenGL mode.
  • 2007 Amendments to HK concrete code implemented.
  • Reduced OpenGL driver requirements to version 1.1.
  • Added error check for loose supports (can give problems with double precision solver).
  • Corrected shell local axes - sometimes not orientated as specified in vertical planes.

2.3.05 (2007/04/12):

  • Various enhancements to modeller.
  • Refinements to OpenGL graphics.

2.3.04 (2007/03/22):

  • Splitting shells function now also supports edge loads.
  • Shell mesher input presentation streamlined.

2.3.03 (2007/03/19):

  • Increased capacity of data streams to avoid integer overflow problems on large structures.
  • Fixed OpenGL warning message.

2.3.02 (2007/03/16):

  • Built in check for OpenGL version before using OpenGL graphics.
  • Fixed Access violation and range check errors related to OpenGL.

2.3.01 (2007/03/15):

  • Graphics editor merged with modeller.
  • Enhancements to OpenGL graphics.

2.3.00 (2007/03/12):

  • Fixed range check error in error checking module.
  • Improvements to shell mesher: scaling introduced.
  • Group addition of supports facility added.
  • OpenGL facility added to graphics (faster).
  • Splitting of shells added.

2.2.40 (2007/02/27):

  • Fixed harmonic analysis.
  • Fixed signs of forces being transferred to base plate and column programs through Design Links.
  • Improvements to shell mesher.

2.2.39 (2007/02/02):

  • Fixed von Mises stresses - slightly too low in some regions.
  • Adding shells: can now pick individual nodes to define the shell.
  • Added ACI318 - 2005 concrete code to concrete design module.

2.2.38 (2007/01/19):

  • Fixed problem: spring elements with loose orientation nodes.
  • Further improvements to shell mesher.

2.2.37 (2006/12/15):

  • Display problem fixed - modal analysis with no load cases.
  • Can now change stress contours from smoothed to unsmoothed withour re- analysing.
  • Improvements to shell meshing.
  • Added column input to shell mesher.
  • Fixed contour display on shells for buckling analysis - sometimes not active.
  • Fixed block delete nodes - missed nodes on repetition..
  • Fixed reactions of spring elements on supports - sometimes the sign was incorrect.
  • Fixed load case dropdown on output display pages - did not work properly for seismic analysis.

2.2.36 (2006/12/01):

  • Enhancements to mesher: columns added.

2.2.35 (2006/11/23):

  • Corrected Design Link to continuous beam - beams sometimes incomplete.
  • Corrected beam input generation for descending node numbers.
  • Fixed moment direction indicator lines for vertical shells.

2.2.34 (2006/11/10):

  • Fixed access violation error occurring with dynamic and buckling analyses.
  • Corrected building frame wizard side columns.

2.2.33 (2006/10/25):

  • Shell reinforcement countours for envelope did not plot after second order or nonlinear analysis - fixed.
  • Fixed cable forces and reactions after linear analysis.
  • Shell local axes plot for vertical shells fixed.
  • Fixed direction of 'L' loads on shells - was not always as per the help file (worked as indicated graphically).

2.2.32 (2006/10/19):

  • Improved timed backups - 3 files of different ages now stored.
  • Improved shell mesher.
  • Fixed shell shear forces output. (came out as 0).

2.2.31 (2006/10/13):

  • Added contours of deflections.
  • Fixed saving of user defined spectra for earthquake analysis.
  • Improvements to accuracy cable elements.

2.2.30 (2006/10/02):

  • Fixed split cable function - only worked properly on global X-axis.
  • Fixed cable analysis - Program hung when set to double precision.
  • Added tolerances for dynamic and buckling analyses.
  • Further refinements to shell buckling analysis.

2.2.29 (2006/09/21):

  • Amended geometric stiffness formulation for shells - Load factors were too low in certain cases.
  • ULS load factor input in dynamic parameters dialog shown only if earthquake analysis is selected.

2.2.28 (2006/09/06):

  • Fixed 'Load cases added as mass' table for harmonic analysis - did not list load case names.

2.2.27 (2006/08/31):

  • Fixed range check errors.
  • Improved handling of load cases and own weight in earthquake analysis.
  • Added SANS10160/Eurocode 8 spectra for earthquake analysis.

2.2.26 (2006/08/15):

  • Fixed problem with plastic hinges in beams - structure did not form mechanism despite hinges.
  • Fixed problem with rigid shell input - could not undo change to rigid shell.
  • Improved convergence criteria for second order analysis.

2.2.25 (2006/08/11):

  • Design Link to Continuous beam can now pick up curved beams.
  • Problem fixed with splitting beams at intersections which sometimes hanged.
  • Memory management improved.

2.2.24 (2006/08/07):

  • Added links to new wind calculation module in portal and truss wizards.
  • Added reinforrcement envelope for shell elements.
  • Fixed bug with adding lumped masses for modal analysis,
  • Fixed bug when exporting haunched sections to .SNF files.

2.2.23 (2006/07/28):

  • Fixed some 'Range check' errors.
  • Fixed shell buckling - buckling factors were to low.
  • Fixed integer overflow problem - ocurred with large structures and buckling analysis.
  • Added load direction 'K to beam loads - in local 'x' direction.
  • Changed local axes colours to x:red, y:blue and z:green.
  • Fixed bug in DXF import fuction - allocation of beam properties to line colours.

2.2.22 (2006/07/14):

  • Problem with plotting some beam envelopes fixed.

2.2.21 (2006/07/04):

  • Fixed problem where program hangs during harmonic analysis.

2.2.20 (2006/06/30):

  • Fixed bug in view by group number dialog where not all groups were shown.

2.2.19 (2006/06/26):

  • Beam legend numbers did not show if there were more than 100 beams.
  • Added view plane genrator in list of input wizards.

2.2.18 (2006/06/23):

  • Fixed 'Cannot focus a disable or invisible window' error.
  • Orbit command added to 3D pictures.
  • Added weights of beam element groups in statistical output.

2.2.17 (2006/06/14):

  • Fixed Access violation error - occurred for Second order, Extended precision with cables present.

2.2.16 (2006/05/25):

  • Range check error fixed - occured occasionally when using shell elements.

2.2.15 (2006/05/24):

  • Combine structures from file option fixed.
  • Enhanced mesh generator.

2.2.14 (2006/05/10):

  • "L" loads on vertical elements - load sums incorrect in some cases giving "equilibrium check" error.
  • Calculated reactions were correct in all case.

2.2.13 (2006/05/08):

  • Corrected display of local axes for shell elements - x-axis did not follow RH rule.

2.2.12 (2006/04/12):

  • Fixed problem of failure to converge when plastic hinges form.
  • Improved aesthetics of envelope displays.
  • Increased number of positions captured on envelopes using copy function.

2.2.11 (2006/03/27):

  • Option added to do shell and solid stress smoothing by group number only.

2.2.10 (2006/03/24):

  • Fixed problem reading from streams when saving a buckling analysis.
  • Fixed problem with load sums in load combinations when using cable elements.
  • Fixed problem with cable input data not being cleared when reading older file.
  • Sum of loads sign for beam 'L' loads incorrect for some cases giving erroneous equilibrium check message.o.
  • Access violation error fixed in cable error checking routine.
  • Adjusted deletion & addition of shells - shell loads should not be affected anymore.
  • Improved DXF import to handle large numbers of polylines.

2.2.09 (2006/03/03):

  • Fixed twisted beam example - interpretation of block and arc generations.
  • Fixed problem with analysis if show local axes on.
  • Modeller linear generation defaulted to local axes - fixed.

2.2.08 (2006/02/27):

  • CIS 2 import improved.
  • CIS 2 export added.
  • Corrected problem: with load combinations only set: hints showing deflections changed after a timed backup.
  • Enhancements to mesh generator.
  • Shell stress smoothing routines improved (a lot faster).
  • Fixed access violation error in beam envelopes.

2.2.07 (2006/02/14):

  • Corrected problem : double precision solver and section names with blank spaces.

2.2.06 (2006/02/06):

  • Fixed problem with section names with blank spaces.
  • Fixed error in sum of loads at equilibrium check - occurred if beam element was supported on both sides with an UDL on it.

2.2.05 (2006/01/31):

  • Fixed problem where second order analysis stopped too soon in some cases.

2.2.04 (2006/01/31):

  • Fixed error with UDL's on rigid links and double precision solver.
  • Fixed sum of loads calculation in equilibrium check in case of 'L' load on vertical beams.
  • Fixed problem where second order analysis stopped after second iteration.

2.2.03 (2006/01/11):

  • Edge defined slabs added.

2.2.02 (2006/01/06):

  • Fixed problem where program asks for lib21.

2.2.01 (2006/01/04):

  • Corrected calculation of hollow section properties when evaluating plasticity in non-linear analysis.

2.2.00 (2005/12/15):

  • Version 2.2 released.

2.1.45 (2005/12/07):

  • Reactions due to own weight corrected. Own weight for beams if both ends supported was not added.

2.1.44 (2005/12/06):

  • Link to Hollow Section Connection did not support SHC section.
  • File New set units back to default.

2.1.43 (2005/12/05):

  • Problem with multiple beam loads on same beam fixed (occurred only in version 2.1.42).

2.1.42 (2005/12/02):

  • Problem with gaps on spring supports fixed - occured if set on double precision solver.

2.1.41 (2005/11/30):

  • Notional horizontal load option added.

2.1.40 (1970/01/01):

  • Maintenance release

2.1.39 (2005/11/18):

  • Added function to delete duplicate beams on beam input tab.

2.1.38 (2005/11/16):

  • Catenary cable elements added.
  • Fixed problem with some non-linear analyses not converging with double precision solver.
  • Beam sections marked as tension only remained tension only if tick removed in input field.
  • Mirror function - adjusted so that beams/shells are not duplicated on mirror plane.
  • Gaps in spring elements: adjusted so that they open up in the positve directions of the local axes.
  • Buttons for selecting unselecting elements added on mdeller page.

2.1.37 (2005/10/31):

  • Group delete of beam loads corrected.
  • Access violation error fixed - buckling analysis.

2.1.36 (2005/10/27):

  • Added drawing of local axes for beams, solids and springs.
  • Added mirror function on modeller page.
  • Added 'show elements'tickbox to nodes input page.
  • Fixed problem: adding/deleting beams & beam loads graphically if only certain groups of beams displayed.
  • Fixed 'Add own weight to load case' window greying out.
  • Fixed changing shell group numbers on modeller page.

2.1.35 (2005/10/21):

  • Higer order terms for geometric stiffness matrix used in non-linear analysis corrected.
  • Range check error fixed - sometimes occurred when calculating spring forces.
  • When sending output to Excel - only output selected for calcsheets transferred.
  • Fixed error that occurred when loading a file with output saved in a directory other than the working folder.
  • Problem with Design Link to Strut & Com fixed.

2.1.34 (2005/10/19):

  • Saving of output implemented - can be imported without re- analysing.
  • Fixed range check error in mesh generator.
  • Added gaps to supports.
  • Added save and retrieve of default settings to graphics options dialog.
  • Added restore defaults options to RC frame wizard.
  • Elements generated by RC frame wizard given group numbers corresponding to the floor level.
  • Extended size of DXF/DWG file that can be imported.
  • Certain graphics input buttons disabled if node points not drawn (as set in graphics options dialog).
  • Main axes drawn in colour.
  • Smoothing of shell and solid stresses by group number added.
  • Added gap feature to spring elements.
  • Fixed problem with Design Link to concrete columns - bot and top moments swapped around.
  • Fixed problem with deflection tooltip changing after saving file (load combinations only analysis).
  • User can now specify local element axes for shells and display local axes.
  • Graphics options icons added in status bar.
  • Hints can now be displayed in the status bar.
  • Add tension only tickbox in beam sections input table.

2.1.33 (2005/09/23):

  • Access violation error fixed. Ocurred after reloading the last previously analysed example.
  • Shell element shear deformation refined - affects shear and moments in thick shells.

2.1.32 (2005/09/16):

  • Group numbers added to element input.
  • Group number options added to graphics options and change element graphics options.
  • Problem with rotated elements (beta<>0) fixed when using double precision solver.

2.1.31 (2005/08/19):

  • Vdpro5 added.

2.1.30 (2005/06/13):

  • Problems with new solver fixed:.
  • 1.reported self weight at end of output file was sometimes incorrect for.
  • second order analysis (results not affected).
  • 2.If prescribed displacements were specified - load combinations.
  • accumulated the effect for linear analysis.

2.1.29 (1970/01/01):

  • import fixed.

2.1.28 (2005/05/31):

  • Access violation sometimes occurred during resizing of input tables - fixed.
  • Tensile reinforcement corrected for Australian code.

2.1.27 (2005/05/24):

  • Autosave graphics option switched off as default.
  • Improved re-drawing of picture.
  • Access violation error fixed which sometimes occurs in beam loads inut table.
  • Shell edge loads fixed when used with fast solver.

2.1.26 (2005/05/10):

  • Refinements to .SNF export files.
  • Frame will read data from Sections.dat file in working directory.

2.1.25 (2005/05/04):

  • When using the new solver, own weight for solids was not correctly added up in the 'Equilibrium check'. Results were correct.

2.1.24 (2005/04/22):

  • Second order Analysis: Y-moments in envelopes corrected.

2.1.23 (2005/04/21):

  • Strucad Import & Export facilities added.

2.1.22 (2005/04/06):

  • Problem with 'defaults.mtl' file fixed.
  • Problems with link to Continuous beam fixed.
  • Range check error when inspecting solids stresses fixed.

2.1.21 (2005/04/04):

  • Drawing of tapered sections in full 3D mode corrected.
  • New solver made the default solver.

2.1.20 (2005/03/22):

  • Counting of concurrent users refined.

2.1.19 (2005/03/14):

  • Access violation fixed - occurred when accessing calcsheet header.
  • Rigid link stiffnesses fixed when using new solver.

2.1.18 (2005/03/01):

  • Problem with reactions & new solver fixed in Plane Frame or Grillage mode.

2.1.17 (2005/02/24):

  • Problem with springed supports & new solver in Plane Frame or Grillage mode corrected.

2.1.16 (2005/02/22):

  • File not found error when using brick elements fixed.

2.1.15 (2005/02/18):

  • New solver errors with triangular shells and tetrahedral solids fixed.

2.1.14 (2005/02/18):

  • New solver file error problem fixed.

2.1.13 (2005/02/17):

  • Faster solution routine implemented - allows for much larger models as well.
  • Australian and Hong Kong concrete codes added.
  • Cone added to hemispherical shell wizard.
  • Effective modal mass added to seismic output.
  • Error checking made optional.
  • Checking for duplicate nodes and elements restricted to 10000 nodes & elements for speed.
  • Problem fixed in envelopes - occured when own weight was added to the first listed loadcase in the combination.

2.1.12 (2005/01/06):

  • Memory leak in drawing routine fixed.

2.1.11 (2004/12/15):

  • Picture viewpoint problem corrected.
  • Second order and non-linear convergence criteria for.
  • tension only members refined to improve convergence.

2.1.10 (2004/11/26):

  • Shell edge loads input added to output file.
  • Shell edge loads display improved/corrected.
  • Shells & solids - clicking on picture shows line number in input.
  • Tetrahedron element adjusted - sometimes stiffness matrix was not positive definite.

2.1.09 (2004/11/19):

  • Problems with nodes and beams that occured when splitting beams corrected.
  • Problems with beam loads while splitting beams corrected.
  • Harmonic analysis reactions graphics output corrected.
  • Beta angle was not correctly applied when splitting beams: corrected.
  • Warning on using springed supports for buckling analysis added.

2.1.08 (2004/10/22):

  • Buckling analysis of shells defaulted to last load case.

2.1.07 (2004/10/22):

  • Siesmic analysis - lines indicating moment directions on shell moment outputs did not line up in the proper directions.

2.1.06 (2004/10/19):

  • Design Link to CB: bug fixes and improvements.

2.1.05 (2004/10/14):

  • With Auto Scale off - picture now stays zoomed between different input pages.
  • Range check error fixed that sometimes occurred in harmonic analysis.
  • Display of yielding elements improved (nonlinear analysis).

2.1.04 (2004/10/11):

  • Design Links sometimes caused program to revert to 2D only mode.

2.1.03 (2004/10/07):

  • Design Link to continuous beam - problem with irregular node numbering fixed.

2.1.02 (2004/10/04):

  • Geometric stiffness was overestimated during non-linear analysis.

2.1.01 (2004/10/01):

  • Second order analysis rsults defaulted to linear analysis results in some cases.

2.1.00 (2004/09/14):

  • New version.

2.0.27 (2004/09/10):

  • Rigid shells added.
  • Bandwidth problem fixed.

2.0.26 (2004/09/09):

  • Dead load factor for own weight defaulted to 1 for seismic analysis - corrected.

2.0.25 (2004/09/06):

  • Design Link to CB added.
  • Optimization of node numbering improved.
  • Shell buckling routines improved.

2.0.24 (2004/08/11):

  • Shell edge loads capability added.
  • Number of saved views increased to 100.
  • Triangular shell in-plane stresses for vertical faces were sometimes rotated by 90°.
  • Design Link to base plates sometimes transferred load on plate with the wrong sign.

2.0.23 (2004/07/30):

  • Error 1000 problem on file read that ocurred in version W2.0.22 fixed.

2.0.22 (2004/07/28):

  • Absolute minimum values reported in beam force envelopes corrected.

2.0.21 (2004/06/29):

  • Bending stresses in triangular shells corrected.
  • Tetrahedral element adjusted - sometimes positive indefinite if large aspect ratio.
  • Minimum values on beam force envelopes added.
  • Indian concrete code added.
  • Drucker Prager yield criterion added.
  • Add frame from file option added.

2.0.20 (2004/10/06):

  • Second order analysis did not converge properly for some cases with tension only elements.

2.0.19 (2004/09/06):

  • Own weight on beam elements was not properly added during nonlinear analyses.
  • Reactions for seismic analysis sometimes undefined.
  • Spurious lines on moment and shear diagrams fixed.

2.0.18 (1970/01/01):

  • Nonlinear analysis - beam load effects were doubled.

2.0.17 (1970/01/01):

  • Beam force diagrams sometimes showed random lines (undefined values).

2.0.16 (1970/01/01):

  • Y shear in envelopes sometimes incorrect.

2.0.15 (1970/01/01):

  • Access violation during input errors fixed.
  • Beam envelopes could only handle 50 load cases - now 200.
  • Save before analysing tickbox added.
  • Harmonic analysis gave spiky force diagrams if more than 1 mode involved.
  • Program sometimes crashed when exiting after a harmonic analysis.

2.0.14 (2004/06/04):

  • Output file listed all coordinates as 0 - Com, Strut could not read the output.

2.0.13 (2004/01/04):

  • If more than 2 load cases were entered and a Seismic Analysis was done, this resulted in a range check error. (Access Violation).

2.0.12 (2004/05/03):

  • Copy protection for add-ons fixed.
  • Splitting of beams button added.
  • Design Link to concrete columns - now uses highest axial force.
  • Add shell loads by area fixed - got stuck in this mode.

2.0.11 (2004/12/01):

  • Adjustment to in-plane stress element reversed.

2.0.10 (2004/08/01):

  • 'Access violation' error fixed - saving of bitmap file for file identification.
  • Non-linear non convergence problem solved.
  • Small adjustment to in-plane stress element stiffness -> improved deflection and stress accuracy.
  • Problems with importing of DXF/DWG files addressed.

2.0.09 (1970/01/01):

  • Refinements to modeller input functions.
  • Same nodes tolerance added.

2.0.08 (2003/07/10):

  • Spring element forces under seismic analysis corrected.

2.0.07 (2003/03/10):

  • Spring elements on supports - signs of reactions from spring were incorrect.
  • Harmonic analysis combinations - deflections often included self weight component when self weight was not part of the combination.

2.0.06 (2003/01/10):

  • Access violation error problem fixed - ocurred when entering new beams with full 3D mode on.
  • Modeling of element surfaces added.
  • Harmonic analysis - shell and brick stresses written to file streams to overcome memory problems on large models.
  • 2nd order analysis adjusted for tension only cases that did not converge - related to tolerance check.

2.0.05 (1970/01/01):

  • After analysis, picture automatically went to full 3D mode.

2.0.04 (1970/01/01):

  • Non linear analysis convergence adjusted further: no. of iterations increased.
  • No. of mode shapes available for dynamic analysis increased to 150.

2.0.03 (1970/01/01):

  • 'Structure Isolated' check amended.

2.0.02 (1970/01/01):

  • Static component sometimes not added in seismic analysis force outputs.

2.0.01 (1970/01/01):

  • Tolerances in non linear analysis adjusted - did not converge.
  • if forces were very large. Range check error fixed in.
  • optimization routine.

2.0.00 (2003/05/08):

  • New system library implemented. ' ID=.