Basic configuration

Min time for design model generation

High efficiency in integration process
Efficient BIM

Thanks to two-way integration, analyses are now part of a single information model

  • Autodesk Revit
  • Tekla Structures
  • PLAXIS 3D
  • Rhino-Grasshopper
  • IFC, SAF, DXF
bim

Components of BIM technology

Design model may be generated from the architectural model in terms of analytical concepts.

construction

Preprocessor LIRA-CAD

Design model is generated based on 3D information model.

visor

Intuitive GUI

Wide range of user-friendly tools to generate and analyse computer models of arbitrary structures. When solving the problem, the user works in this environment at all stages from generation of design model up to evaluation of analysis results.

Advanced FEM solver

Includes several optional modules
Finite Element Method
  • Design Combinations of Forces (DCF)
  • Design Combinations of Loads (DCL)
  • Loads on fragment of the structure
  • Stability analysis
  • Strength analysis of sections
processor

Linear solver

static analysis, FE library, complete dynamic analysis, floor (nodal) response spectrum, earthquake, wind pulsation, super-elements

processor_nl

Nonlinear solver

engineering nonlinearity, physical nonlinearity, structural nonlinearity, geometric nonlinearity, pushover analysis

analysis_server

Analysis server

The module performs calculations on dedicated local network servers, allowing engineers to continue working on their workstations while maximizing the efficient use of licenses and computing resources.

Documentation

Everything for report preparation in one place
Report
without
routine
  • Report structure templates and automatic numbering
  • Analytical tables and screenshots updated after model changes
  • Export to DOCX / PDF for client delivery
report_book

Report Book

A powerful tool for creating comprehensive, well-structured technical documentation based on calculation results in LIRA-FEM. The system automates report generation, including a cover page, table of contents, structured sections, interactive screenshots, and analytical tables.

Metal and reinforced concrete (RC) structures

Powerful tools for standard problems
Design modules
  • Analysis of longitudinal and transverse reinforcement in columns, beams, slabs, diaphragms and shells according to the ultimate and serviceability limit states; sketches for working drawings.
  • Selection and check of rolled, compound and through sections; selection and check of joints in metal structures – joints in metal frames, truss joints (from angles, round and rectangular tubes), support joints in columns.
arm

Reinforced concrete structures

Analysis of reinforcement (cross-section areas) according to different building codes

larm

Local mode of reinforcement

Analysis & design of the individual RC elements according to different building codes.

stk

Metal structures

Selection of cross-section for metal elements and check of defined sections and joints according to different building codes.

rs

Editable steel tables

Databases of rolled and welded profiles (option to generate new database or modify existing one).

Additional systems

Additional special solvers and graphic modules

Enhanced options for specific problems
Specific features
  • Dynamic analysis
  • Design options
  • Modelling of erection, dynamic loading, progressive collapse
  • Thermal conductivity. Fire resistance
  • Analysis of foundations, panel, masonry reinforcing and composite (metal & RC) structures

Assemblage

simulates erection process with account of changes in structural model during assemblage, accumulation of dislocation stresses, changes of material properties in time, etc.

dynamic

Time history analysis

simulates the process of dynamic loading according to accelerograms, determines forces and displacements at certain time periods, takes into account damping structures and material damping

soil

Soil

generates 3D model of the soil based on engineering & geological surveys (geological boreholes) and applies generated model further in analysis of the ‘overground structure – foundation – soil’ system

meteor

METEOR system

Merges analysis results of several problems with different loads, stiffness, boundary conditions. Enhanced variant of MODEL VARIATION system.

gbk

RC Design

automatically generates sketches of working drawings for columns, beams, diaphragms, floor slabs by results of analysis of reinforcement in ARM module

panel

Large panel buildings

generates 3D model of panel building. Makes design and arrangement of joints. Carries out linear and nonlinear analysis of structural model (nonlinear behaviour of platform joints). Evaluates analysis results and stress-strain state of joints.

masonry

Masonry structures

generates 3D model of multi-storey building from masonry structures with account of RC embedments (bond, core). Carries out analysis and selects mesh reinforcement for masonry.

steel_concrete

Composite (RC & steel) structures

carries out analysis of composite (RC & steel) structures - columns and beams with different patterns of stiff reinforcement; selects flexible reinforcement in defined composite sections.

section_designer

Cross-section Design Toolkit

Physically nonlinear analysis of arbitrary sections

generator

Generator

System for visual parametric programming for auto generation and modification of complex 3D structures

fire_resistance

Fire resistance

selects reinforcement for required ultimate fire resistance

thermal_analysis

Thermal analysis

simulates steady-state and transient heat transfer problems

progressive_collapse

Progressive collapse

Simulation of progressive collapse. Stress-strain state of the whole structure preceding collapse is the initial one for the further variants when destructed elements are deleted

bar_analogues

Bar analogues

Design of elements (similar to bars) presented in design model with a set of FEs using appropriate bars

rc_expert

RC Expert

Verification of reinforced concrete structures for strength, serviceability, and detailing requirements.

Evaluate the software

If you have any doubt, download the Demo version and evaluate the program or contact our Support Team for more details.

Demo version or Request online presentation