Altair S-Pad 2026.0

Altair S-Pad

Altair S-Pad is a focused, efficient application designed for one critical task: quickly checking the code compliance of structural steel columns, beams, or struts without the overhead of modeling an entire structure. Developed by Altair Engineering, S-Pad provides engineers with a streamlined tool that eliminates the complexity of full-frame analysis when only member-level verification is needed. Version 2026.0 continues Altair’s commitment to engineering efficiency, offering rapid input, immediate code checks, and clear results presentation. Whether verifying a single column capacity, checking a beam for a specific load, or evaluating a strut for a connection, S-Pad delivers the answers engineers need in seconds, not hours.

🔩 Primary Users

This specialized structural engineering software is designed for:

• Structural Engineers & Steel Designers performing quick code checks on individual steel members without full structural modeling.

• Detailers & Fabricators verifying steel member capacities and code compliance for shop drawings.

• Project Engineers & Reviewers conducting spot checks and verification of steel designs.

• Academic Researchers & Educators teaching steel design principles and code applications.

• Construction Professionals validating steel member selections before ordering and fabrication.

⚡ Key Features & Capabilities

📐 Steel Member Types

Supported Members:

• Columns: Steel columns under axial compression with or without moments

• Beams: Steel beams under bending with or without axial loads

• Struts: Compression members in trusses and bracing systems

• Beam-Columns: Members under combined axial and bending loads

• Tension Members: Steel members under pure tension

📊 Rapid Input

Simple Data Entry:

• Member length and support conditions

• Cross-section selection from database

• Material grade and properties

• Applied loads (axial, shear, moment)

• Effective length factors

• Lateral bracing conditions

Section Database:

• Comprehensive library of standard steel sections

• Wide flange (W-shape), I-beams, channels, angles

• Hollow structural sections (HSS)

• Pipe and tube sections

• Built-up section definition

• Custom section properties

⚡ Code Compliance Checking

International Design Codes:

• AISC 360 (American Institute of Steel Construction)

• CSA S16 (Canadian Standards Association)

• Eurocode 3 (EN 1993)

• Other regional steel codes

Comprehensive Checks:

• Axial Capacity:

  • Compressive strength

  • Tensile strength

  • Buckling resistance

• Flexural Capacity:

  • Moment resistance

  • Lateral-torsional buckling

  • Section classification

• Combined Forces:

  • Axial + bending interaction

  • Bi-axial bending

  • Combined compression and bending

  • Combined tension and bending

• Shear Capacity:

  • Shear resistance

  • Web shear buckling

  • Combined shear and moment

📈 Clear Results Presentation

Utilization Ratios:

• Clear display of demand/capacity ratios

• Color-coded results (green = OK, red = exceedance)

• Critical load case identification

• Governing limit state indication

Detailed Output:

• Step-by-step calculation summary

• Code clause references

• Intermediate values and formulas

• Warning messages for violations

• Suggestions for section modification

🔄 What-If Analysis

Rapid Iteration:

• Quickly test different sections

• Vary loads and support conditions

• Explore material grade options

• Optimize member selection

Comparison:

• Compare multiple sections side-by-side

• Evaluate different design alternatives

• Assess sensitivity to parameters

• Make informed design decisions

📋 Reporting

Quick Reports:

• Single-page code check summaries

• Comprehensive calculation reports

• Export to PDF for documentation

• Print-friendly formats

Integration:

• Copy results to other applications

• Export for inclusion in design packages

• Share with team members