Advanced FEA for Complex Structural Systems
LUSAS Civil & Structural enables engineers to simulate how structures actually behave – capturing nonlinear effects, material interactions, and real-world loading conditions across diverse project types.
What is LUSAS Civil & Structural?
LUSAS Civil & Structural is not just another FEA tool – it’s a decision-making platform for engineers working across buildings, infrastructure, and specialized structures. Instead of relying on simplified assumptions, it allows you to:
- Capture true structural behavior under complex loading
- Evaluate multiple design scenarios with confidence
- Optimize structures based on performance, cost, and safety
- Deliver code-compliant designs faster
From high-rise buildings to underground systems and retrofits, LUSAS helps engineers move from approximation → precision-driven design.
What are the Core Capabilities of LUSAS Civil & Structural?
Built for engineers who demand accuracy beyond conventional analysis methods.
LUSAS delivers simulation-driven insights across the full structural lifecycle.
Analyse Complex Structures with Greater Confidence
Now you can accurately simulate real structural behavior, including soil-structure interaction, staged construction & nonlinear effects. This helps engineers informed design decisions on complex projects.
Solve Advanced Engineering Challenges Efficiently
Your teams can handle complex geometry, material nonlinearity, and contact analysis using advanced simulation capabilities designed for demanding projects.
Work Within One Integrated Engineering Environment
You can model, analyse, and extend workflows into structural design without switching between multiple software platforms. This improves coordination and reduces rework.
Adapt Workflows to Match Project Requirements
You can customise modelling and analysis processes using the LUSAS Programmable Interface, helping teams automate repetitive tasks and improve productivity.
Build Detailed Models for Real Project Conditions
Engineers can combine global and local models while using different element types in the same environment. This enables more realistic and efficient structural analysis.
Rely on Trusted Software and Expert Support
LUSAS is trusted by leading engineering organisations worldwide, backed by highly regarded technical support that helps teams solve project challenges faster.
Start Your Analysis Today – Free 15-Day Trial
Access LUSAS Civil & Structural for 15 days at no cost. Import your first project model. Run complete nonlinear analysis. Generate professional reports. Experience real engineering results—today.
Key Applications for Civil & Structural Engineers
Building Design & Analysis
Multi-story office, residential, and commercial buildings
Seismic design for earthquake-prone regions
Wind-resistant tall structure design
Connection and foundation design verification
Lateral load path analysis (shear walls, braced frames, moment frames)
Infrastructure & Specialized Structures
Bridge design, assessment, and retrofitting
Tunnels and underground structures
Retaining walls and soil-structure interaction
Storage tanks and pressure vessels
Utility towers and transmission line structures
Floating or offshore structures
Retrofit & Strengthening
Analysis
Evaluate existing structure capacity
Simulate retrofit strategies (FRP, steel plating, bracing)
Compare strengthening alternatives
Risk mitigation for heritage and older structures
Load rating for extended service life
Construction & Sequencing Analysis
Staged construction modeling
Temporary support system verification
Formwork and falsework analysis
Demolition sequencing and stability
Time-dependent material effects during construction
Advanced Material & Composite Analysis
Reinforced concrete nonlinear behavior
Steel plasticity and strain hardening
Composite material performance
FRP-reinforced concrete interaction
Hybrid material systems
Comprehensive Civil & Structural Engineering Features
Complete solution for building design, infrastructure analysis, and structural optimization
Advanced Structural Analysis
Apply linear and nonlinear finite element analysis to model buildings, bridges, towers, and complex structures. Evaluate all critical load cases, stress concentrations, and behavioral effects – ensuring safer, more robust designs that exceed code requirements.
3D Modeling & Visualization
Intuitive 3D modeling environment with realistic visualization, sectional views, and interactive walkthroughs. Create detailed structural models with precise geometry, material properties, and boundary conditions. Export visuals for stakeholder presentations & approval workflows.
Load Case & Combination Management
Comprehensive handling of dead loads, live loads, wind, seismic, thermal, construction, and impact loading. Automatic load combination generation per design codes. Unlimited load case scenarios for thorough structural evaluation.
Results Analysis & Professional Reporting
Access detailed analysis results: stress contours, displacement maps, safety factors, member forces, and critical sections. Auto-generate professional reports with code compliance summaries—ready for regulatory submissions and client presentations.
Material & Design Code Integration
Support for Indian Standards (IS 456, IS 800, IS 1893, IS 3370), Eurocodes, AASHTO, and international codes. Built-in design formulas, capacity checks, and safety verification for concrete, steel, and composite materials.
CAD/BIM Interoperability
Seamless integration with CAD tools (AutoCAD, Revit) and BIM platforms. Import geometry directly from design models, maintain parametric links, and export analysis results back to design software—streamlining workflows and minimizing rework.
Advanced Capabilities Beyond Standard Tools
Nonlinear material behavior and P-Delta effects
Dynamic and seismic analysis for earthquake-resistant design
Time-dependent effects (creep, shrinkage, relaxation)
Composite and hybrid material modeling
Geotechnical-structural interaction analysis
Supported Structure Types
The Advance
Capabilities
that set LUSAS apart
Nonlinear Analysis Excellence
Beyond linear FEA, LUSAS captures real structural behavior: material plasticity, geometric nonlinearity (P-Delta effects), contact conditions, and large deformations. Design with confidence in complex scenarios where linear assumptions fail.
Dynamic & Seismic Analysis
Time-history analysis, response spectrum analysis, and modal superposition for earthquake design. Evaluate structure performance during seismic events and ensure compliance with IS 1893 and international seismic codes.
Composite & Hybrid Materials
Advanced laminated composite modeling with anisotropic material properties, failure criteria, and strength analysis. Support for FRP-reinforced concrete, steel-concrete composites, and emerging materials.
Staged & Construction Analysis
Model construction sequences, temporary support conditions, and time-dependent material behavior. Validate safety during erection and identify critical stages that control design.
Geotechnical-Structural Coupling
Integrate foundation and soil-structure interaction for buildings on poor soils, slopes, or uncertain ground conditions. Couple structural analysis with geotechnical models for realistic behavior.
Long-term technical partnership
Continuous support throughout the project lifecycle—from initial setup and training to advanced detailing workflows and optimization.
Solutions by Industry & Sector
Buildings & Built Environment
High-rise residential & commercial, hospitals, educational institutions, public infrastructure, heritage restoration
Transportation Infrastructure
Bridges, flyovers, tunnels, flyover ramps, pedestrian structures, transit stations
Industrial & Heavy Engineering
Factories, power plants, refineries, chemical plants, storage facilities, utility structures
Water & Environmental
Dams, water treatment plants, irrigation structures, water tanks, waste management facilities
Renewable Energy
Wind turbine structures & towers, solar installations, hydro infrastructure
Explore Additional LUSAS Applications
for Advanced Engineering Analysis
LUSAS Tank | LUSAS Analyst | LUSAS Composite | LUSAS Academic | Plugins
LUSAS Tank
Purpose-built for the analysis and design of storage tanks, including fluid-structure interaction and code compliance. Ideal for oil & gas, water, and industrial storage applications.
- Above-ground and underground tanks
- Wind, seismic, and thermal loading
- Nonlinear behavior and stability checks
- Code-based design and verification
LUSAS Analyst
A comprehensive general-purpose FEA platform for structural, civil, and infrastructure analysis. Suitable for complex simulations beyond standard design scenarios.
- Linear and nonlinear analysis
- Dynamic and time-dependent behavior
- Complex geometry modeling
- Multi-disciplinary engineering use
LUSAS Composite
Advanced solution for modeling and analyzing composite structures, supporting layered materials and anisotropic behavior.
- Laminated composite modeling
- Stress and failure analysis
- Aerospace and advanced materials applications
- High-precision simulation
LUSAS Academic
Designed for universities, research institutions, and students, enabling learning and advanced simulation in structural engineering.
- Teaching and research applications
- Full FEA capabilities for learning
- Academic licensing support
- Industry-relevant simulation tools
LUSAS External Plugins
Enhance workflows with plugins and integrations connecting LUSAS to CAD, BIM, and other engineering platforms.
- CAD/BIM interoperability
- Workflow automation
- Data exchange and integration
- Extended functionality
LUSAS Software Levels & Capabilities
LUSAS Civil & Structural is offered in three levels—LT, Standard, and Plus—enabling engineers to select the right level of analysis for each project.
A unified interface across all versions ensures consistent workflows, reduced training effort, and smooth scalability as project demands increase.
Models remain fully compatible across levels, allowing seamless progression to advanced analysis without rework.
“Bluebeam Revu cut our design review cycle from three weeks to just five days. The ability for multiple engineers to mark up drawings simultaneously in Studio Sessions has been a game-changer for our multi-discipline coordination.”
“Our quantity takeoff accuracy improved significantly after switching to Bluebeam. The measurement tools at drawing scale are incredibly precise, and exporting data to Excel for cost estimates saves us hours on every bid. We’ve won three more contracts this year alone.”
“Connecting our site teams to the office through Bluebeam Cloud eliminated the constant back-and-forth of revised drawings. Field staff can now review, mark up, and report issues in real time — and the audit trail keeps everyone accountable.”
Start Your Journey with nhance Digital Solutions
Explore industry-leading engineering, BIM, and detailing software solutions with expert guidance from our technical team. We help organizations successfully implement tools for structural design, steel detailing, construction collaboration, and geotechnical engineering.
From software licensing and implementation to training, consulting, and technical support, Nhance Digital Solutions ensures your team can adopt and use advanced digital tools efficiently across real project workflows.
