2024
Access the Assemble, Analyze, NVH Tools, NVH Post, and Physics AI ribbons.
Define radiation conditions and create emissivity models.
Calculate a frequency response based on modal results.
View new features for HyperMesh NVH 2024.
Learn the basics and discover the workspace.
Discover NVH functionality with interactive tutorials.
Learn how to create, open, import and save models.
Set up the simulation model, materials, domains and boundaries.
Create, organize and manage the CAE parts.
Calculate a response, perform contribution analysis, plot results, and perform diagnostic studies and study response changes.
Plot modal/panel participation curves from an OptiStruct .h3d file or an MSC Nastran .f06/.pch file.
The Grid Participation utility allows you to plot panel grid participation results and then use advanced scaling contour capabilities to isolate key contributing areas.
Visualize the distribution of energy within a full vehicle NVH model, as a way to understand what components are dominating the vehicle response.
Identifies the complex contribution of the excited structure through attachment points to a response in the responding structure.
Design sensitivity represents a change in response with respect to a change in a design variable, which is typically used for optimization.
Generates and post-processes engine order related data from an OptiStruct or Nastran frequency response analysis that contains either RPM-based loading subcases or order-based loading subcases.
Select the modes.
After selecting the modes from the Define Modes tab, select nodes at which unit excitations or actual excitations can be applied.
Calculate and export responses.
Plot the response options.
Plot the diagnostics.
The Model Correlation utility determines the degree of similarity or correlation between two sets of results.
The Equivalent Radiated Sound utility post-processes the results of exterior structure-borne radiated sound.
Identifies global modes from an OptiStruct or Nastran modal analysis.
The General Signal Processing utility processes the time domain pressure results from CFD simulations and visualizes the results in both the time and frequency domain.
Post-process the pressure result of a vehicle panel obtained from ultraFluidX.
Predicts powertrain rigid body mode frequencies and kinetic energy distribution, which play a critical role in optimizing the mount stiffness and layout configuration, by decoupling powertrain rigid body modes and reducing vibration transmission.
Optimizes sensitive parameters for multiple sample analysis results using the RBDO or Deterministic approach.
Post-process results from a Multiple Sample Analysis, including plotting a spread of responses (+/-95% and mean).
Reads results from an OptiStruct optimization run and processes the results to review the overlay of the NVH responses, baseline versus optimized. Compare changes in the design variable values, baseline versus optimized.
Customize plots using the following options
Filters contributors to a smaller set of data.
High frequency NVH is an implementation of Statistical Energy Analysis (SEA), and is used to predict and analyze the vibration and acoustic response of complex dynamic systems.
Create and evaluate evaluation lines and optimize interfaces to eliminate squeak and rattle issues.
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