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Keep your Dlubal Software programs up-to-date with a service contract. Receive regular program updates as well as benefits for future upgrades.

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  • Update Report no. 01115

    RF-STEEL GB 4-07-0001 | 06/14/2011
    • Release of first version
  • Update Report no. 01114

    RF-STEEL EC3 4-07-0001 | 06/14/2011
    • The current version of the national annex DIN EN 1993-1-1/NA:2010-12 has been implemented. Thus, the general design method according to EN 1993-1-1, chapter 6.3.4 is allowed only for I-sections. RF-STEEL EC3 offers you an option to design also non-I-sections according to 6.3.4.
    • Implementation of member-similar design method for sets of members. Thus, it is possible to analyze straight sets of members like large single members for stability.
    • Implementation of national application documents for Portugal and Spain
    • Sign rule problem occurring when defining eccentricities has been eliminated.
  • Update Report no. 01113

    RF-LAMINATE 4-07-0001 | 06/14/2011
    • As limit stresses are not clearly defined physically for Sigma_x and y, no limit stresses will be compared to these stresses in future versions. This was changed only for the orthotropic material model.  
  • Update Report no. 01112

    RFEM 4-07-0001 | 06/14/2011
    • Release of new add-on module  RF-STEEL-GB
    • New superposition conforming to signs in load combinations according to publication in the German magazine "Bauingenieur", edition March 2009
    • Smoothing for calculation of contact stresses of surfaces with elastic foundations has been improved.
    • Elimination of a problem occurring for contact elements. It happened that failure was not taken into account correctly in certain cases.
    • Calculation of internal forces for shell components arranged in rotational symmetry has been optimized.
    • Optimization of mesh generator for semicircular solids and for particular surfaces with intersections
    • Calculation of internal forces for "truss girders only N" has been corrected. When the calculation was performed according to the second-order analysis and the internal forces referred to the deformed structural system, the output showing shear forces was incorrect.
    • Elimination of a problem occurring when transferring support forces from other files as loads
  • Update Report no. 01111

    RF-DYNAM 4-07-0001 | 06/14/2011
    • Calculation of eigenvalues has been corrected. In particular cases, subspace iteration method and ICG determined different participation factors in single eigenvalues.
  • Update Report no. 01110

    RF-CONCRETE 4-07-0001 | 06/14/2011
    • RF-CONCRETE Members: Calculation of As,tension for s_r,max in case of biaxial bending has been optimized.
    • RF-CONCRETE Members: Graphical representation of deformation according to EN 1992-1: 7.4.3 for rotated cross-section has been revised.
    • RF-CONCRETE Members: Determination of factor k_2 according to equation 7.13, EN 1992-1-1 for calculation of crack spacing s_r,max has been improved.
    • RF-CONCRETE Members: Optimization of deformation analysis according to EN 1992-1: 7.4.3. Now the factor Zeta represents the maximum from all x-locations.
    • RF-CONCRETE Members: Now a stress-strain diagram with a rising graph is used for the reinforcing steel in the plastic area when stresses are calculated for the serviceability limit state.
    • RF-CONCRETE Surfaces: The calculation of s_r,max according to equation 7.14, EN 1992-1-1 can be deactivated for SFS EN 1992-1-1. If the approach of equation 7.14 is deactivated, the program will always use equation 7.11 for the calculation of s_r,max.
    • RF-CONCRETE Members: Calculation of A_s,min according to EN 1992-1 has been improved. For T-beams b_t is assumed with web width (web with tension) and mean width (flange with tension).
    • RF-CONCRETE Members: For the stress calculation according to EN 1992-1-1 in SLS (Ec0m=1.1*Ecm) was used for the parabolic stress-strain diagram according to DIN 1045-1.
  • Update Report no. 01109

    RF-CONCRETE Columns 4-06-1121 | 05/30/2011
    • Elimination of crash when entering member parameters
  • Update Report no. 01108

    RF-CONCRETE 4-06-1121 | 05/30/2011
    • Change in network licensing of addition EC2. Until now a license was needed also when opening a printout report with data of the addition. This is not required anymore.
    • RF-CONCRETE Members: improvement of reinforcement proposal for provided link reinforcement when link spacings are user-defined
    • RF-CONCRETE Members: The reinforcement layout for the serviceability limit state design has been extended for the multi-layer reinforcement arrangement.
  • Update Report no. 01107

    RF-DYNAM 4-06-1130 | 05/16/2011
    • Elimination of a problem occurring when exporting equivalent seismic loads to a particular file
  • Update Report no. 01106

    RF-STEEL AISC 4-06-1120 | 05/16/2011
    • Correction in design process and output of results for design with partial safety factors (LRFD)
  • Update Report no. 01105

    RF-STABILITY 4-06-1120 | 05/16/2011
    • Elimination of crash occurring in a particular file
  • Update Report no. 01104

    RF-LAMINATE 4-06-1120 | 05/16/2011
    • It is now possible to assign the determined stiffnesses from RF-LAMINATE to any surface. In this way it is possible to check different slab thicknesses and their impacts directly in RFEM.
  • Update Report no. 01102

    RFEM 4-06-1120 | 05/16/2011
    • CAD interface to Autodesk Revit 2012 has been adjusted.
    • Pre-defined blocks have been extended by 2D timber frames.
    • Wind load generators according to Eurocode have been completed by wind load zone for the Netherlands.
    • Adjustment of load import from Tekla Structures 17
    • In some cases the program did not update the modification of the transverse elongation for orthotropic material during the calculation of the stiffnesses.
    • In the orthotropic model with input depending on thickness, the program did not use G_xz for the calculation of the shear stiffness.
    • More options to define orthotropic material properties have been created in RFEM 4. It happened that unintentional material properties appeared in the program when RFEM 3 structures were imported. The import has been improved so that orthotropic material properties defined in RFEM 3 are now imported as orthotropic in the thickness type and isotropic in the material model. Thus the results are identical for the same parameters in RFEM 3 and 4.
    • Accuracy of generator for grids has been improved.
    • Correction of cross-section database for trapezoidal sheet TP 18-1000-0.7 (GOST).
    • Improvement of RFEM's stability
    • Correction of calculation for the case when a very high stiffness for compression and a very low stiffness for tension had been defined in the material model "Diagram" and the surface had compression in one direction and tension in the corresponding perpendicular direction. The result was a very strong orthotropy which could lead to inaccurate stresses.
    • Elimination of a crash occurring when switching from structure type 3D to wall XY 
    • Correction of a crash for the calculation of solids   
  • Update Report no. 01101

    RF-CONCRETE 4-06-1120 | 05/16/2011
    • Release of fire protection design in RF-CONCRETE Members for NP EN 1992-1-2 (Portugal), PN EN 1992-1-2 (Poland), SIST EN 1992-1-2 (Slovakia), SS EN 1992-1-2 (Sweden), UNE EN 1992-1-2 (Spain); DK EN 1992-1-2 (Denmark)
    • The calculation of s_r,max according to equation 7.14, EN 1992-1-1 can be deactivated for SFS EN 1992-1-1. If the approach of equation 7.14 is deactivated the program will always use equation 7.11 for the calculation of s_r,max.
    • RF-CONCRETE Members: improvement of reinforcement proposal for provided link reinforcement when link spacings are user-defined
    • RF-CONCRETE Members: The Beta_H factor was taken with an unfavorable value when determining the creep coefficient according to EN 1992-1-1.
    • RF-CONCRETE Surfaces: The k_h factor was taken from table 3.3 with an unfavorable value when determining the coefficient of shrinkage according to EN 1992-1-1.
    • RF-CONCRETE Members: Optimization of deformation analysis according to 7.3.4 EN 1992-1-1. Now the program uses for the deformation analysis the highest distribution coefficient Zeta from the individual x-locations of the member or set of members. It happened that the crack moment M_cr was calculated with an unfavorable value for members with axial forces. The display of the deformation u_lz had been improved for rotated cross-sections and member axes.
    • RF-CONCRETE Members: The k_h factor was taken from table 3.3 with an unfavorable value when determining the coefficient of shrinkage according to EN 1992-1-1.
    • RF-CONCRETE Members: From now on a reinforcement steel with the ductility class B is set as default material for the reinforcement.
    • RF-CONCRETE Surfaces: Elimination of a performance problem when changing partial views with results   
  • Update Report no. 01100

    RFEM 4-06-0902 | 04/20/2011
    • Correction of problem preventing RX-TOWER from starting
  • Update Report no. 01098

    TIMBER Pro 7-04-0940 | 04/15/2011
    • Adjustment of fire protection design according to SIA 265
    • In the English annex, the partial safety factor was displayed with 1.0 instead of 1.25. It happened that settings of the national annex (NA) were displayed differently in the report than in the program.
    • Adjustment of cross-section optimization
    • Designs of other add-on modules were performed in the fire protection design.
  • Update Report no. 01097

    TIMBER 7-04-0940 | 04/15/2011
    • Optimization of results table "Governing Internal Forces" for use of a CO
  • Update Report no. 01096

    STEEL SIA 7-04-0940 | 04/15/2011
    • Cross-sections rotated by principal axis (y "rotation") have been blocked.
  • Update Report no. 01095

    STEEL IS 7-04-0940 | 04/15/2011
    • Cross-sections rotated by principal axis (y "rotation") have been blocked.
  • Update Report no. 01094

    STEEL EC3 7-04-0940 | 04/15/2011
    • Cross-sections rotated by principal axis (y "rotation") have been blocked.
    • Optimization of classification and calculation for SHAPE-THIN cross-sections
    • Implementation of input option for member list for serviceability limit state design     

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