Key Benefits for Structural Engineers

Easy to use menu

Model & Loading

Build your models with confidence.

  • Sketch, Import, Generate, or Copy & Paste
  • Work with beams, columns, areas instead of low level FEA
  • Easily create and edit frames, trusses, tanks, towers, or whatever!

Apply loads to meet your code requirements.

  • Point & click loading to one or many objects
  • Simple and flexible load cases
  • Optional, custimizable, and automatic building-code load combinations

Sktech models graphicallyAnalysis & Results

Get fast, and powerful FEA results.

  • 64-bit, muli-threaded, sparse matrix, validated solver
  • Static, Dynamic, P-Delta, Direct Analysis, Time-History, and more.
  • Automatic statics-checks and basic validations prevent careless mistakes

Understand your structure's behavior.

  • Graphical display of displacements, forces, stresses, and reactions
  • Detailed member and plate graphs
  • Double-click for detailed textual reports

Visualize deflections and forcesDesign & Report

Checks for steel, wood, concrete, cold-formed, and aluminum.

  • Member for checks with AISC, NDS, ACI, AISI, and ADM specifications.
  • You control bracing, size constraints, and other design parameters
  • Fast unity-checks, with optional member-size or detail optimizations
  • Concise reports with checks, intermediate values, and code-references

Create reports to document your project.

  • Reporting is a breeze with drag & drop simplicity and WYSIWYG viewing
  • Save your customized reports with projects or as templates for future use
  • Copy and Paste graphics into reports
  • Print reports, or export to Clipboard, or Save to standard file formats

Drill down to the numbers

Three VA-Levels Available

Just enough features to get your job done right.. Compare the 3 Levels, or view the detailed feature list on this page.

  1. Analysis-only in 2D and 3D (no Design View window)
  2. *with Design: adds code checks, member sizing
  3. **Advanced with Design: adds meshed-areas, nonlinear, time-history, and more.

Detailed Capabilities

For the most accurate and updated list, please refer to the software's User's Guide (built in Help)


  • Frames, Trusses, Grids, Beams, Tanks...
  • Beam or Truss Members, Plate/Shell Elements
  • Elastic Spring Supports
  • You are in control of physical members (e.g. girders, multi-story columns)
  • Auto-meshed Areas (for easy wall or slab modeling)**
  • Tension-only/Compression-only members or spring-supports
  • Cartesian, Polar, Cylindrical or Spherical Coordinates
  • No built-in size limit (30,000+ nodes are practical)
  • Typical Manufactured Shapes: Steel, Wood, Aluminum, Cold-formed
  • Parametric, Custom or Shapes imported from ShapeBuilder
  • Just about any Material, libraries included, customizable!
  • CAD-style selection box
  • Generate linear or polar or mirror copies
  • Simple, Rigid, Semi-Rigid** Connections
  • Catenary Cable Elements**
  • Many Ways to Construct Models:
    • Sketch models graphically
    • Copy & Paste existing objects
    • Import/Export .DXF files
    • Import from Spreadsheet/Clipboard
    • Customizable parametric generation


  • Automatic Load Cases & Load Combinations
  • Built-in Support for IBC 2015, ASCE7-10, etc. Combinations
  • Customizable Load Combinations.
  • Semi-Automatic ASCE 7 Wind Loads (Method 2)
  • Ice + Wind pressure on Members (e.g. open towers)
  • Copy Multiple Loads from Member to Member
  • Import Loads from a Spreadsheet/Clipboard
  • Static Loads: Concentrated, Distributed, Pressure, Thermal, etc.
  • Area Loads (keeps model and loads separated so changes are easy!)
  • Area Edge Loads (in or out of plane)
  • Dynamic Response Spectra, IBC & Customizable
  • Dynamic Forcing Function, Time History analysis**
  • Moving Loads** (limited, e.g. crane beams, single load-line)
  • Automatic pattern load combinations**
  • Import Load Combinations**

Analysis & Results

  • Static Analysis (1st order, P-Delta, Iterated)
  • AISC Direct Analysis (notional loads, stiffness reduction)**
  • Dynamic Analysis (Sparse Lanzcos, Newmark)
  • Superposition Results and Envelopes**
  • Member Internal Forces, Displacements, Diagrams
  • Plate Forces, Stress, Contour Diagrams
  • Edge Results
  • Automatic Mesh Refinement with Auto-Meshed Areas**
  • Nodal Reactions, Displacements
  • Graphical Results Viewing
  • Sophisticated, Customizable Text Reports
  • Spreadsheet report, and save directly Excel XLS**

Design Checks & Building Codes*

  • Smart and flexible setup: bracing, deflection checks, size constraints
  • Steel AISC 360-10 or CSA S16-14 Design for frame and truss members *
  • Concrete ACI 318-11 Design of Beams, Columns, Flat Slabs (ACI)*
  • Wood NDS 2012 Design for frame and truss members (NDS)*
  • Aluminum ADM 2010 Design for frame and truss members (ADM)*
  • Cold-Formed NAS 2012 Design for frame and truss members (NAS)*
    RSG Software's CFS is used internally to perform these checks
  • Visual bracing locations
  • Steel seismic compactness checks
  • Stress & Deflection Checks (code agnostic, any material)**
  • Integrated Steel Connection Design** via VAConnect
  • Steel warping torsion checks**
  • Override intermediate values or parameters (e.g. Cb, wood C factors...)**
  • Moving Loads and Dynamic results are now checked**

System Requirements

  • See Downloads at the bottom of the page for hardware and software requirements.

Integration Features

  • Custom Shapes through IES ShapeBuilder (sold separately)
  • Spread Footing Design through IES QuickFooting (sold separately)
  • Mat Foundation Design through IES VisualFoundation (sold separately)
  • Import and Export: DXF, STD, SDNF, TXT, XLS
  • Use VA-Revit Link for BIM and Autodesk Revit (free download)
  • Import custom cold-formed shapes from CFS (by RSG Software)
  • Batch Analysis for command-line operation, programmatic access

Product Limitations

  • Not an 'ANSYS' or 'NASTRAN', but very practical
  • Not a 'turn-key' system for building or truss design.
  • Does not run inside AutoCAD or anything else
  • No internal pipe pressures
  • No orthotropic materials
  • No solid (brick) elements
  • No curved beams (simulate with 'chords')
  • No staged loading (e.g., element birth/death)
  • No large deflections
  • No pre-stressed or post-tensioned concrete design
  • No specialized bridge design or AASHTO support

IES, Inc. Software for Structural Engineering

Easy * Versatile * Productive

Free-Trials Order FormSelf-Service Portal

IES, Inc.
519 E. Babcock St.
Bozeman, MT, USA