LUSAS Software for
Advanced Structural Analysis & Design
Delivering high-fidelity simulation for bridges, infrastructure, and complex structural systems using industry-leading finite element technology.
WHAT IS LUSAS SOFTWARE?
LUSAS is an advanced finite element analysis (FEA) & structural simulation software trusted by engineers worldwide to solve complex engineering challenges.
From iconic bridges & tunnels to high-rise buildings, offshore structures, rail systems, and cutting-edge research projects, LUSAS delivers the accuracy and reliability needed for confident engineering decisions.
Designed for civil, structural, mechanical, and infrastructure applications, LUSAS combines powerful nonlinear analysis capabilities with an intuitive modelling environment, enabling engineers to predict real-world structural behaviour with exceptional precision, enabling engineers to predict real-world structural behaviour with exceptional precision.
Trusted FEM Software Worldwide
Compliant with global design standards- including IRC, IRS, IS, Eurocodes & AASHTO
Robust nonlinear analysis capabilities for realistic structural simulation
Proven legacy in advanced structural analysis and engineering solutions
All analysis capabilities are brought together in a single integrated system
Advanced Bridge & Infrastructure Analysis Platform
Advanced Simulation
Model complex structural behaviour using nonlinear, dynamic & staged analysis techniques.
Infrastructure Focused
Purpose-built tools for bridges and civil engineering applications, from concept to assessment.
All-in-One Platform
One ecosystem for modelling, analysis, and interpretation. Unified workflows from concept to verification.
Precision Modelling
High-fidelity FE models for reliable structural prediction. Digital precision for critical engineering decisions.
Automation & BIM Integration
Connected engineering through smart automation and BIM. Seamless digital workflows for infrastructure teams.
LUSAS provides a comprehensive suite of advanced analysis & simulation capabilities that enable engineers to model, analyse, & optimize complex structures with confidence.
Built on a powerful finite element engine, LUSAS accurately captures real-world structural behaviour, helping engineers make informed design decisions throughout the project lifecycle.
Advanced Structural
Analysis
Perform linear and nonlinear static, dynamic, buckling, vibration, and stability analyses with advanced material, geometric & contact nonlinearities.
Bridge Engineering
Excellence
Model and analyse all bridge types, including moving loads, construction staging, prestress effects, & long-term structural behaviour.
Construction Stage
Simulation
Replicate real construction sequences to assess stresses, deflections, load redistribution, and structural response at every stage of the build process.
Dynamic & Seismic
Analysis
Assess structural performance under earthquakes, wind, impact, traffic, vibration, and other dynamic loading conditions using advanced time-history and response spectrum techniques.
Advanced Material
Modelling
Simulate the behaviour of concrete, steel, composites, soils & other materials with sophisticated constitutive models that capture realistic structural responses.
Structural Health Monitoring & Digital Twins
Integrate field monitoring data with numerical models to support condition assessment, performance evaluation, asset management, and digital twin applications.
Geotechnical & Soil-Structure Interaction
Analyse foundations, retaining structures, tunnels, embankments, and complex soil-structure interactions using advanced geotechnical modelling capabilities.
Research &
Innovation
Support academic and industrial research through customizable analysis workflows, advanced scripting capabilities, and access to
state-of-the-art simulation technologies.
From Concept to Asset Management
LUSAS empowers engineers to move beyond conventional analysis by delivering accurate simulations, deeper structural insights & reliable predictions for the world’s most demanding infrastructure and engineering projects.
Connect Data. Automate Process. Accelerate Engineering
Extend LUSAS Beyond Traditional Analysis
The LUSAS GitHub repository provides practical examples of using the LUSAS Programming Interface (LPI) to build models, analyse, and extract results across multiple environments.
Explore Additional LUSAS Applications
Bridge Engineering | Civil & Structural | Composites | General Mechanical | Academic Uses
Bridge Engineering
Advanced Analysis for Modern Bridges
Design, analyse, and optimize bridge structures with confidence.
- Construction staging and erection sequence analysis
- Prestressing and post-tensioning simulation
- Moving load and traffic assessment
- Creep, shrinkage, and long-term effects
- Fatigue and serviceability evaluation
- Rail, highway, and pedestrian bridge applications
Civil & Structural Engineering
From Concept to Construction
Accurate structural analysis for buildings and infrastructure.
- Linear and nonlinear structural analysis
- Buckling and stability assessment
- Seismic and wind load evaluation
- Reinforced concrete and steel modelling
- Detailed stress and displacement results
- Large-scale finite element capabilities
Composite Engineering
Simulation for Advanced Materials
Model and evaluate composite structures with precision.
- Laminate and ply-based modelling
- Composite failure prediction
- Delamination assessment
- Progressing damage analysis
- Lightweight structure optimization
- Aerospace, marine, and automotive applications
Specialist Applications
Solving Complex Engineering Challenges
Advanced tools for unique and demanding projects.
- Multi-physics simulation capabilities
- Extreme loading assessments
- Asset life and condition evaluation
- Structural health monitoring integration
- Research and innovation workflows
- Custom modelling and analysis solutions
Mechanical Engineering
Engineering Analysis Without Limits
Evaluate performance before manufacturing.
- Stress, strain, and deformation analysis
- Dynamic and vibration assessment
- Thermal-structural interaction
- Contact and assembly simulation
- Fatigue life evaluation
- Design optimization and weight reduction
Teaching & Research
Empowering Innovation Through Simulation
Industry-grade tools for education and research.
- Advanced nonlinear analysis capabilities
- Academic and postgraduate research support
- Numerical validation of theoretical concepts
- Extensive learning examples and resources
- Scripting and automation tools
- Digital twin and smart infrastructure research
Who Can Use LUSAS?
Trusted by engineers, consultants & researchers worldwide to deliver safer, smarter, and more efficient engineering solutions.
Engineers
Design, analyse, and optimize highway, railway, cable-stayed, suspension, and pedestrian bridges.
Evaluate buildings, towers, industrial facilities & complex structures with advanced simulation.
Model soil-structure interaction, foundations, tunnels, retaining structures, & geotechnical systems.
Engineers
Assess masonry bridges, historic structures, arches & heritage assets using nonlinear techniques.
Develop digital twins, assess structural performance, and support long-term asset management.
Engineering Sectors Powered by
LUSAS
Bridges & Transportation
Road bridges, railway bridges, cable-stayed bridges, suspension bridges, and viaducts.
Buildings & Civil Structures
Commercial & residential buildings, towers & complex structural systems.
Rail, Metro & Tunneling
Rail infrastructure,metro systems, underground stations, tunnels & transit networks.
Energy &
Industrial
Power plants, offshore structures, wind energy assets, and heavy industrial facilities.
Heritage & Masonry Structures
Model & assess masonry bridges, historic buildings, arch structures
Bridge Analysis Case Studies
Explore How Engineers Solve Complex Bridges
Challenges with LUSAS
Why Engineers Choose LUSAS
Advanced Bridge Analysis
Analyse beam, cable-stayed, suspension, and masonry-arch bridges using advanced linear and nonlinear structural analysis.
Global & Local Modelling Capabilities
Seamlessly transition between large‑scale global models and detailed local models for precise analysis of critical structural components.
Integrated Geotechnical & Structural Analysis
Accurately capture soil–structure interaction and foundation behaviour within a unified analysis environment for realistic simulations.
Structural Health Monitoring & Assessment
Support model validation, performance assessment & structural behaviour studies for monitoring existing infrastructure & extending service life.
Advanced Modelling Wizards
Accelerate project setup using specialized tools such as RSI, Masonry Bridge, Free Cantilever, and Composite Bridge wizards for rapid and reliable modelling.
Automation, BIM & Parametric Integration
Enhance productivity with automation, BIM connectivity, & Grasshopper integration for parametric modelling and efficient design workflows.
