VMAP Experimental Modal Analysis and FEA-Test Correlation Software

Transcription

1 What s New

2 VMAP Experimental Modal Analysis and FEA-Test Correlation Software Key Data Acquisition and Signal generation for Experimental Modal Analysis (SISO to MIMO) Curve fitting algorithms with automation Test-FEA Correlation and Model Updating Solvers Interoperability with FEA software (NASTRAN, SIMULIA, ANSYS) Compatible with Laser Vibrometers (non-contact measurements, MEMS, hot surfaces) Programming Interface with Scilab (text-based and graphical) Complete set of damping models (material damping to multi-mode damping) for realistic dynamic simulations Various File Format (UFF, STL, etc ) Import and export engines

3 Model Updating Automation Structural Modification tools to automatically modify the simulation model based on test data Interface with ANSYS, SIMULIA for automatic model updating Viewer to understand the parts requiring structural modification Options to update the structure based on different optimization criteria Shrink Development Time Experimental Modal Testing (Natural Frequencies, Mode Shapes, Damping) Step 2 Component Solid Model Correlate FE model Step 3 Step 4 FE Modal Analysis (Natural Frequencies, Mode Shapes) Step 1 Damping Update FE Model (Geometry, Material Properties) Damping) Transient, Life Cycle Estimation Analysis Step 5

4 Laser Vibrometer Seamless interface with Polytec Scanning Vibrometer(.svd) and Vibsoft(.pvd) files for post processing in VMAP Model Updating and Correlation with best incompleteness ratios between test and simulation models MEMS Rotating Machinery Hot Surfaces Test data visualization (mode shapes) can be as good as that of FE simulation results Gain more accuracy in correlation Achieve best results in model updating

5 Test Planner and Test Data Manager Automated selection of best measurement points for EMA Import engine to load component test data from multiple experiments Graph views for comparison of test data (time series, frequency response functions, coherence) Animation views for comparison of mode shapes (based on data from different experiments) Correlation Views for comparison of correlation parameters (MAC,COMAC,FRAC) for data from multiple experiments Repeatability Interoperability Handle large volumes of test data Study repeatability Pick the best possible test data set for correlation and updating Save time with the automation tools in the test data manager

6 Scilab Interface Interface for text-based and graphical programming Interface viewing the programming results in VMAP Console based programming for rapid calculations Interface to study vibration control Text Programming VMAP Scilab Graphical Programming No limit to the customization Open Source

7 More File Formats Nastran Ansys ABAQUS HYPERMESH Tetrahedral Yes Yes Yes Yes Hexahedral Yes Yes Yes Yes Triangle Yes Yes Yes Yes Quads Yes Yes Yes Yes Line Element Yes Yes Yes Yes Polytec files (.pvd,.svd). Universal File Format (.uff,.unv). STL files (.stl) UFF NASTRAN, ANSYS, SIMULIA, HyperMesh Save the time spent on importing and exporting data Complete interoperability between test and simulation data

8 Advanced Correlation Tools Correlation for each degree of freedom (x,y,z) in addition to the vector sum Correlation of frequency response functions of test and simulation data COMAC FRAC Gain Insights with correlation tools Improve the efficacy of model updating process

9 Success Stories Modeling of dynamics of high precision nano positioner system for semiconductor manufacturing industry Validation of the automotive exhaust pipe NVH FE model Durability analysis of motorcycle gearcasing Partial List of Customers GE Royal Enfield UCAL Fuel Systems MABE Magna Powertrain Alstom Power Services