Features What's new in LIRA-SAPR 2017

Modifications

• Added: two-way integration between LIRA-SAPR 2017 and Tekla Structures 2017i.
  
• Added: analysis of concrete sections with fibre-reinforced polymer (FRP) bars according to DSTU-H B V.2.6-185:2012. Analysis of reinforcement is carried out according to DBN V.2.6-98:2009.
  
• Added: check of results obtained in analysis of the problem in other versions of LIRA-FEM that have compatible format of the output data.
  
• Clarified: computation of concrete volume for symmetric and asymmetric reinforcement and in elements with no reinforcement.
  
• Corrected: auto-scaling when you add/delete elements of the model.
  
• Enhanced: tables of the Report Book for fragments of the model.
  
• Modified: mosaic plot of forces on faces of solids.
  
• Modified: when you change colour and font size for the text, modifications will be made in all open windows of the program.
  
• Corrected: order of finite elements in structural elements of bars.
  
• Corrected: for super-element problems, output data for reinforcement in bars.
  
• Restored: angle of pure rotation (in local coordinate system of the element) is considered correctly for FE 55 that simulates elastic spring between nodes.
  
• Clarified: account of unification in plates.
  
• Clarified: stiffness of the ring section for physically nonlinear analysis.
  
• Corrected: forces are transferred correctly from the main model to the local mode of analysis of pinned beam-column connection.
  
• Corrected: presentation of output data for crack propagation in FE 410.
  

SAPFIR-Structures

• Corrected: graphical editing of grid lines where there are no intervals along certain direction. Now, even if the table of interval is empty, you can graphically ‘stretch’ the parametric grid lines to the required size by means of a check point with an automatic increase in number of intervals.
• Enhanced: interactive editing for notation of elevations with the check points – it is possible to graphically edit direction of arrow and leader line.
• Modified: auto arranging for notation of elevations on all storeys is available only for ‘Elevation’ or ‘Section’ views; it is not available for plans.
• Corrected: option to cancel interactive editing for cutting plane in sections.
• Corrected: presentation of loads on flight of stairs with filter by load cases.
• Corrected: plane of load application from prism, cone, sphere and rotation surface.
• Enhanced: command ‘Separate dimension chain’ (into separate dimensions).
• Added: for linear dimension and dimension chain, account of positioning method – Fixed level of work plane.
• Corrected: import of text file.
• Corrected: collection of masses for the earthquake load case.
• Corrected: mirror image of rebars on reinforcement patterns of stiffening diaphragms.
• Restored: auto update of rebar chairs in the specification of reinforcement when their length was modified in parameters of reinforcement model.
• Corrected: generation of punching shear contours.
• Corrected: presentationon (on drawing) of the contour line of hatching (for the hatching with infill).
• Corrected: modification of lines and contours on drawings.
• Added: when files are imported from Revit and Tekla Structures in LiraKM format, overall dimensions of RC sections are rounded off with precision up to 1 mm.
• Restored: ‘Analyse’ command in the ‘Filtrate elements’ dialog box. This command is used to display all values available in the model for a certain parameter.

The following errors and bugs were corrected

• Incorrect presentation of design models in the main window of the program on computers with more than 32 Gb RAM.
  
• Algorithm for generation of design combinations of forces (DCF) for the serviceability limit states is modified.
  
• Error in reading from file the information about reinforced concrete materials defined according to SP 63.13330.2012 when names of materials have great length because of large number of space characters.
  
• Prolonged period of time response for the program when the models are merged in case the merged elements of the model have a large number of defined structural blocks/elements.
  
• Error with colour palette presented by formula in case the colour palette has only one range of values.
  
• Values of shear reinforcement on mosaic plots of reinforcement.
  
• Extended list of cross-sections of RC elements for which analysis of reinforcement may be carried out: ‘C-shaped section’ and ‘Crane beam’ sections are added.
  
• Errors in documenting tables of stiffness properties:
• clarified value for the weight per running metre for bars;
• modified order in which parameters are presented for one of nonlinear stress-strain diagrams for materials (type 14 – piecewise linear function).
• Error in the dialog box for defining DCL (design combinations of loads), sometimes this error occurred when existing DCL table was edited.
  
• Clarified data about reinforcement pattern in the section of bar when the reinforcement data is exported to Design of RC structures.
  
• For building code SP.16.13330.2011, error when stability analysis of eccentrically compressed bars is changed for stability analysis of flexural bars according to sect. 9.2.2.
  
• Occasional errors when several DCL tables are generated within the same problem and when they are copied through the Clipboard.
  
• Clarified import of local coordinate systems from the *.sli file, possible effect of rounding errors is eliminated.
  
• Added option to generate the *.csv file for the nodal response spectrum.
  

SAPFIR-Structures

• Enhanced algorithm for generation of load (defined in slab properties) for slabs supported by columns with capitals.
  
• Error occurred when the boundary conditions were defined for the stairs and analytical model of the stairs is reached along the horizontal.
  
• Selection option ‘Apply load factors’ is automatically duplicated in the ‘Load cases’ dialog box and ‘Project properties’ dialog box.
  
• Added option: grid lines may be displayed on facade and sectional view in certain projection.
  
• Corrected reading of previous models (from SAPFIR 2012).
  
• For the ‘large panel buildings’ system, manual editing of stiffness for the platform joint is corrected (defining σi).
  
• Added option: automatic re-calculation of thickness for the FE of platform joint for cases when 2 rows of platform elements are defined for the same platform joint.
  
• Error in presentation of reinforcement in the 3D view and on the plan of a wall that is located to the right of the axis and face of such wall is directed to the left.
  
• Restored option: the following data may be saved to the *.asp file and then opened in Design of RC structures module:
• class of concrete and reinforcement for which analysis of reinforcement in VISOR-SAPR module was carried out;
• location of gravity centres for rebars in beams.
• Modified visualization for areas of reinforcement and marks of RC elements in the 3D view for walls that are located one above the other within the limits of the same storey.
  

List of modifications

• Building code for reinforced concrete structures TKP EN 192-1-1-2009 (Belarus) is supported; this building code is adapted from Eurocode 2.

• Modified option: analysis of reinforcement in masonry structures, logically enhanced procedure of defining materials for masonry structures.
• Added option: import of design models from Revit Structure 2018.
• Added option: compatibility between KM-SAPR module and AutoCAD 2018.
• Enhanced options: to copy materials between design options and to assign materials to elements of design model, additional check for correctness in copy procedure.
• Clarified: analysis of principal and equivalent stresses for the standard section type ‘Channel’.

• Added option: to check whether updates for LIRA-FEM program are available. Appropriate command is added to the HELP menu.  Unlike releases, the updates contain only corrected modules and do not require reinstallation of the program.
• Added option: new examples in Tutorial. The examples have step-by-step instructions explaining every aspect of the procedure in LIRA-FEM program. They also make you familiar with the growing capacities of program interface: 
  • analysis of 3D framework of the RC structure and import of selected reinforcement for further nonlinear analysis; 
  • analysis of two-span beam with NonLinear Engineering Design system.

Detected and removed errors

• Added option: additional check for correct unification groups of structural elements during geometric modifications in design model; this check prevents possible disagreement in previously created unification groups.
• Corrected error (in previous release): new elements of Report Book were lost when the problem was closed.
• Corrected error: core distance Y2 of arbitrary section when LiraKM files are imported.
• Corrected error: occured when you start analysis of the problem in case the model contains structural elements but unification of structural elements is not defined.  
• Modified option: account of design requirements for flexural elements in the module of reinforcement according to SP 63.13330.2012.
• Modified option: warning about increased reinforcement ( N > N critical ) is displayed in the module of reinforcement according to SP 63.13330.2012.
• Corrected error (DCF): in case of dynamic module 24 when mutual exclusion between variants is defined. Variant – real and imaginary component of harmonic load.
• Modified option: accompanying for instant and earthquake loads when generating DCF.
• Corrected error: in generation of DCF groups.
• Modified option: for physically nonlinear problems, enhanced algorithm for arrangement of regular point reinforcement for the ring section.

Pattern for point reinforcement in the ring section

• Corrected error: when you click the range of errors on the colour palette, the program selected not only error but certain correct elements as well.
• Corrected error: occured when you start analysis of super-element problem that contains elements for which real stiffnesses are not necessary (FE53, FE54, FE57). 
• Restored option: displacement values at nodes for dynamic load cases ‘Harmonic vibrations’ (dynamic modules 24 and 28) in the ‘Information about node’ dialog box.
• Clarified figures on mosaic plots with values of relative displacements by mode shapes.
• Clarified calculation for cone of friction (the friction that is not considered along the side surface of the pile).

The third release of LIRA-SAPR 2017 contains updated Help system.   

SAPFIR-Structures

• Added: account of load-bearing layer in multi-layer walls in analysis of masonry structures.

• Enhanced import of floor plans (*.dxf):
  • window and door openings are automatically filled;
  • openings may be defined in walls;
  • option to generate piles, columns, walls, partitions, windows, doors and openings (in walls) according to dimensions and thickness of objects determined automatically based on *.dxf contours;
  • restored option to save parameters assigned to layer. It is possible to download the saved parameters to the project and apply them once again.
• Enhanced option to import main and additional reinforcement to Tekla Structures.
• Enhanced algorithm for automatic collection of wind loads: when generating wind load, the load is applied to the whole structure rather than to visible storeys.
• Added: new building code for design of reinforced concrete structures TKP EN 192-11-1-2009 (Belarus) in properties of the project.
• Enhanced algorithm for generating punching shear contours for columns-pylons near the openings.
• Added option: to edit (in groups) properties for analytical models of stairs.
• Dimension to the gravity centre of reinforcement defined in design parameters for an element is now interrelated with concrete cover of reinforcement that is displayed in properties of slab. These parameters are used for punching shear analysis in VISOR-SAPR and now they are interrelated.
• Option to define rounding modulus for linear dimension and the chain of dimensions.
• In Design of RC structures module for column reinforcement, you could define the step between stirrups in the third (upper) zone.

• Option to visualize zone of reinforcement in the diaphragm as pair of rebars.
• Enhanced algorithm for arrangement of rebars’ tags when generating the view of column reinforcement.
• Rounding modulus for dimensions of stirrups and studs in specifications and lists of components.

Detected and removed errors

• Corrected error: in presentation of load from space when the storeys are copied.
• Corrected error: location of specification of reinforcement on the sheet of drawing.
• Corrected error: design options when you select several building codes for reinforced concrete and masonry structures.
• Corrected error: in selecting windows and doors with the filter by parameters.
• Corrected error: in saving the cross-section of piles for VISOR-SAPR.