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ESI NOVA 2021.0 | 562.4 mb
ESI Group, a leading innovator in virtual prototyping software and services for manufacturing industries, announces the new version of ESI NOVA 2021.0 is standalone utility for quick modeling of the response of layered poroelastic noise control treatments.

NOVA 2021.0 Release Notes - Date: September 2021

Enhancements
- User’s Guide and Release Notes are now published using Sphinx documentation generator.
- The new microstructure model for shoddy script has been added. In this release, this script can be used to give links between microstructure properties and non-acoustic macroscopic properties of shoddy materials and make quick evaluation of the normal sound absorption and transmission loss in air under normal plane wave excitation.

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- The new microstructure model for compact granular script has been added. In this release, this script can be used to give links between microstructure properties and non-acoustic macroscopic properties of compact granular materials and make quick evaluation of the normal sound absorption and transmission loss in air under normal plane wave excitation.

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- The new auralization prediction tool has been added. In this release, this module can be used to compute the sound rendering of a simulated transmission loss. A predefined list of industrial and experimental sounds is implemented in NOVA, original and treated sound can be played directly in the module.

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Modifications
- Due to the upgrade of the compiler used for NOVA, export to VA One can only be made through a XML file. Direct copy to the clipboard is unavailable in NOVA 2021. Also every name will be truncated to the first 15 characters.

Corrections - #217788: Legend of graph are correctly updated when some curves are removed.
- #217464: Controls are made to ensure that realistic physical properties are entered in every microstructure model scripts.
- #208803: When solving analysis that contain lined section property, a warning message will inform you that you have exceeded fmax
the cutoff frequency of the chamber (fmax<0.586∗c0/D1). Where c0 is the sound velocity and D1
is the inlet/outlet diameter. A txt file (nova_warning.txt) will appear in the project folder to indicate the cutoff frequency value.
- Biot poroelasticity model has been corrected to avoid discontinuity for highly damped materials.
- #NOVA-17: In Multiple Treatment Library, users can now modify the combination of multilayers by using Insert and Delete from the right-click menu.
- Validation Test 30 has been updated to implement and validate the new microstructure model for compact granular script.
- #NOVA-1: Validation test 4 has been updated to correct wrong material’s names.
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NOVA is a multipurpose acoustics prediction tool based on the transfer matrix method (TMM). This method is essentially based on the representation of plane wave propagation in different media in terms of transfer matrices. This approach easily allows for multi-layers made up from a combination of elastic, porous-elastic and fluid layers.

VA One customer testimonial: Massimo Martini, IVECO S.p.a


Massimo Martini, VA Engineer at IVECO S.p.a in Italy, explains the usefulness of VA One for vehicle performances especially for controlling noise and vibration inside the cabin.
Founded in 1973, ESI Group envisions a world where Industry commits to bold outcomes, addressing high stakes concerns - environmental impact, safety & comfort for consumers and workers, adaptable and sustainable business models. ESI provides reliable and customized solutions anchored on predictive physics modeling and virtual prototyping expertise to allow industries to make the right decisions at the right time, while managing their complexity. Acting principally in automotive & land transportation, aerospace, defense & naval, energy and heavy industry, ESI is present in more than 20 countries, employs 1200 people around the world and reported 2020 sales of €132.6 million. ESI is headquartered in France and is listed on compartment B of Euronext Paris.

Product: ESI NOVA
Version: 2021.0
Supported Architectures: x64
Website Home Page : www.esi-group.com
Languages Supported: english
System Requirements: Windows *
Size: 562.4 mb

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