Data Acquisition

• Open Hardware Architecture : Supports National Instruments, Data Translation and Vibration Research hardware

• Test Instrumentation

   - Hammer Testing

   - Shaker Testing

 • Test Configuration

   - Single Input Single Output (SISO)

   - Single Input Multi Output (SIMO)

   - Multi Input Multi Output (MIMO)

 • Sensor Types

   - Uniaxial

   - Triaxial

 • TEDS

 • Windowing Selection

   - Hanning

   - Exponential

CAD

• Built in CAD interface

   - Designing three dimensional (3D) models of test objects

   - Editing test models

   - Export the test model in Universal File Format

• Import models from CAD software (ProEngineer, Solidworks, CATIA)

• Import models from finite element analysis software

   - NASTRAN, ANSYS, RADIOSS, SIMULIA

• Import test models of other formats (Universal File Format)

Test Planner

• FE-driven test planner

   - Automated selection of best measurement points

   - Linked to CAD interface to build and edit test models

Curve Fitting

• Built-in Functions

• Circle Fitting

• Rational Fraction Polynomial (RFP) Fitting

• Least Squares Complex Exponential Fitting

• Add-on Functions for customization

• VMAP-Scilab Interface

Correlation

• Geometric Correlation

   - Overlap Tool to correlate Test Geometry with FEM Geometry

• Visual Correlation

   - Comparison of mode shapes of test and FE-Modal Analysis

• Numerical Correlation

 - Modal Assurance Criterion (MAC, CoMAC)

 - Frequency Response Assurance Criterion (FRAC)

Damping (FE Model Updating)

• Interface with FE Software

   - ANSYS (Workbench, Multiphysics)

   - NASTRAN

• Linked to different types of analysis

   - Modal Analysis

   - Transient Analysis

   - Harmonic Analysis

• Different Models of Damping

   - Alpha-Beta Model

   - Material Damping

   - Constant Damping Ratio

   - Modal Damping

Structural Modification (FE Model Updating)

• Interface with FE Software

   - ANSYS (Multiphysics)

   - ABAQUS(SIMULIA)

• Stiffness Correlation Analysis

• Results Viewer

   - Locations in the structure requiring modification

   - Graphs to compare FRFs - FEM FRF, EMA FRF, Updated FEM FRF

FE Model Element Support

Non Contact Vibration Measurement Data - Polytec

• Applications

   - MEMS

   - Rotating machinery

   - Hot surfaces

• Animation

   - Frequency Domain Analysis results

   - Operating Deflection Shapes (ODS)