ESI VA One 2024.1: Vibro-Acoustic Simulation Software

VA One 2024.1 is the latest release of ESI Group’s vibro-acoustic simulation software, widely recognized as the industry standard for analyzing noise and vibration across the full frequency spectrum . This release restores all modules that were suppressed in the previous version following a compliance review .

Key New Features in 2024.1

Module Restoration

  • Stress, Shock, DFAT and Path 49 Restored: All modules have been approved for worldwide release and licensing under EAR99 classification .

Numerical SEA Solver Performance

  • Performance Boost: Significant improvements to the line junction solve step, enabling faster and more stable SEA calculations .

BEM Stability & Robustness

  • High-Mode & PEM Mesh Handling: Fixes for solver stops due to IGVITE and workspace errors .

  • Memory Management: Improvements preventing crashes and instability in BEM workflows .

FE/SEA/Hybrid Workflow Corrections

  • Power Through Faces: Improved reliability for plotting power through faces (matrix multiplication error resolved) .

  • Ribbed Section Conversion: More accurate behavior when converting Ribbed to General Ribbed sections with correct angle handling .

General Reliability Improvements

  • Load Cases: Correct enabling of load cases in browser window .

  • Numerical SEA Stability: Fix for models crashing under certain junction angles .

  • Memory Leaks: Resolution of memory leaks in SEA modeling .

  • Mode Number Guidance: Improved documentation .

Trim Modeler Improvements

  • NCT Removal Stability: Fix for errors when removing NCT from SEA Panels tab .

Upgrade & Compatibility

  • Automatic Conversion: Better workflows for older VA One versions via XML intermediary .

  • Compatibility Rules: Clearer handling for non-upwards-compatible .va1 files

ESI VA One 2024.1 DOWNLOLAD
ESI VA One 2024.1