ACCA EdiLus is a powerful structural analysis and design software developed by ACCA Software (Italy), widely used by engineers for the 3D modeling, finite element analysis, and code-compliant design of reinforced concrete, steel, and timber buildings. Version 45 continues ACCA’s legacy of integrating advanced structural engineering with Building Information Modeling (BIM), offering seamless data exchange with architectural models, automatic mesh generation, nonlinear analysis capabilities, and comprehensive design checks per Eurocode and Italian NTC standards. From residential buildings to industrial complexes, EdiLus delivers the precision, efficiency, and code compliance that modern structural design demands.

🏗️ Primary Users

This professional structural engineering software is designed for:

• Structural Engineers & Civil Engineering Consultants performing 3D finite element analysis and design of reinforced concrete, steel, and timber buildings.

• Construction Designers & Architects integrating structural calculations into BIM workflows.

• Building Contractors & Developers verifying structural safety and optimizing material quantities.

• Seismic Design Specialists analyzing building behavior under earthquake loads per Eurocode 8.

• Academic Researchers & Students studying structural behavior and design methodologies.

⚡ Key Features & Capabilities

📐 Structural Modeling

3D Modeling Environment:

• Intuitive 3D graphic interface for creating structural models

• Import from architectural BIM models (IFC, DWG, DXF)

• Automatic model checking and validation

• Multi-story building support with floor-by-floor definition

• Parametric modeling for rapid design changes

Element Library:

• Beams, columns, slabs, walls, foundations

• Steel profiles (IPE, HEA, HEB, HEM, etc.)

• Timber elements (glulam, CLT, sawn timber)

• Reinforced concrete sections (rectangular, circular, T-beams, L-beams)

• Openings, holes, and recesses

🧮 Finite Element Analysis

Analysis Types:

• Linear static analysis

• Modal analysis for dynamic behavior

• Response spectrum analysis (Eurocode 8 seismic)

• Nonlinear static (pushover) analysis

• Construction stage analysis

• Soil-structure interaction

Mesh Generation:

• Automatic finite element mesh generation

• Local mesh refinement in critical areas

• Quality control and mesh optimization

• Shell and solid element support

📊 Code Compliance & Design

International Standards:

• Eurocode 0, 1, 2, 3, 5, 8 (EN 1990-1998)

• Italian NTC 2018 (Norme Tecniche per le Costruzioni)

• Other national annexes as configured

Design Checks:

• Concrete: Reinforcement design for beams, columns, slabs, walls (flexure, shear, torsion, axial)

• Steel: Member stability, lateral-torsional buckling, joint design, fire resistance

• Timber: Strength, stability, serviceability (deflection, vibration)

• Foundations: Spread footings, piles, mat foundations

• Seismic: Capacity design (strong column-weak beam), ductility checks, inter-story drift limits

🔄 BIM Integration

Open BIM Workflow:

• IFC 2×3 and IFC 4 import/export

• Direct link to architectural software (Revit, ArchiCAD, Allplan)

• Model sharing with MEP and construction disciplines

• Conflict detection and resolution

Data Exchange:

• DWG/DXF import for site plans

• Excel export for quantities and schedules

• PDF report generation for documentation

⚡ Analysis Features

Nonlinear Capabilities:

• Material nonlinearity (concrete crushing, steel yielding)

• Geometric nonlinearity (P-Delta effects, large displacements)

• Nonlinear supports and constraints

• Pushover analysis for performance-based seismic design

Dynamic Analysis:

• Modal analysis (eigenvalues, mode shapes)

• Response spectrum method (Eurocode 8)

• Linear time history analysis

• Rocking and uplift of foundations

📈 Results Visualization & Reporting

Graphical Output:

• Stress, strain, and displacement contours

• Mode shape animation

• Reinforcement diagrams (bending, shear, torsion)

• Utilization ratio color mapping

Numerical Results:

• Internal forces at sections (M,N,V,T)

• Support reactions and displacements

• Reinforcement quantities and bar schedules

• Material take-offs

Report Generation:

• Comprehensive calculation reports

• Code check summaries with clause references

• Customizable report templates

• PDF, DOC, and XLS export

🆕 What’s New in Version 45

• Enhanced Nonlinear Pushover Analysis – Improved convergence for post-elastic response

• Expanded BIM Integration – Deeper IFC 4 support and cloud-based model sharing

• Updated Seismic Provisions – Latest Eurocode 8 and NTC 2018 requirements

• Automatic Reinforcement Detailing – Enhanced bar arrangement and schedule generation

• Foundation Design Module – Expanded pile and combined footing options

• Cloud Collaboration – Share models and results with remote teams

• Performance Optimizations – Faster analysis for large, complex buildings

• UI/UX Refinements – Modernized interface with customizable workspaces

🎯 Industry Applications

🏢 Building Design

Structural engineers use EdiLus for complete design of reinforced concrete, steel, and timber buildings—from residential complexes to commercial centers and industrial facilities.

🏛️ Seismic Design

Engineers in seismic regions (Italy, Greece, Turkey, etc.) leverage EdiLus’s advanced nonlinear analysis and Eurocode 8 compliance for safe, ductile structures.

🔄 Retrofit & Renovation

Existing building evaluation, strengthening design, and compliance verification for change-of-use or seismic upgrading.

🏗️ Construction Management

Quantity takeoffs, reinforcement scheduling, and construction drawing generation for efficient project delivery.

🎓 Education & Research

Academic institutions teach structural design and analysis with industry-standard tools at student-friendly licensing.