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NIHON ONKYO ENGINEERING Partner for developing
acoustic material solutions
in CASE era

  • Testing
  • Consulting
  • Simulation

Acoustics solutions
following rapid change

[image]Acoustic Material Simulation

Now, a turning point is coming how "Vehicle" should be, like tightening vehicle pass-by noise regulations and changing in the positioning of the passenger compartment with CASE. Demands are increasing for automobiles to suppress noises comparing with the past and to improve the efficiency of development furthermore. Upon development of your products including values related to sound, Nihon Onkyo Engineering will support you as an expert in acoustic technology.

Big changes in vehicle development

  • Increasing electric vehicle development

    Arising different noise problems such as high-frequency noise from electric powertrains

  • Usage as office or living room in CASE era

    Increasing demands of space having comfortable acoustics

  • Competitions with increasing new entrants

    CAE, MBD, and efficient development understanding principles is necessary

Reasons of choosing NOE

  • Point01

    One-stop solution provider

    We can provide consistent support from material development to parts design and evaluation.

  • Point02

    Neutral position

    We do not have a capital or technical tie-up with any component suppliers or automobile OEMs. Therefore, fair performance evaluation is possible as a third-party organization.

  • Point03

    Wide range of knowledge on sound

    We provide services based on the knowledge we have been developed in various fields such as architectural acoustics and noise control, as well as automotive acoustic materials.

  • Point04

    Experts on acoustic material technologies

    We provide support by utilizing the technologies and knowledges developed through efforts in acoustic materials field over 30 years and more than 100 tests experiences per year.

Customer cases

We will introduce our solutions according to each development stage.

  • Material
    manufacturers
  • Components
    suppliers
  • Automotive
    OEM

For development engineers of materials

We are your partner for developing acoustic functionalities

It is increasing that material manufacturers need to develop their capability for making proposals to customers based on their knowledge of sound. However, have you ever had such experiences that you do not know how to approach it?
We are your partner for developing acoustic functionalities according to stage of development.

[Example of inquiries]
  • How much is the sound absorption performance of this heat insulating material being developed?
  • Unexpectedly, the sound performance of the developed material is expected, so I want to understand how the material work to control sound.
  1. Phase01To know sound

    Providing information on sound

    We provide a variety of information on sound, from beginner of sound to experts who want to know more about it.

    Testing service

    We help you from understanding the current situation necessary for new development and improvement.

  2. Phase02Simulation service

    To know the relationship between materials and physical properties

    We evaluate and identify the relationship between physical properties of the material and its acoustic performance.

    Software for improvement and examining combinations

    We provide software that simulates changes in acoustic performance with combining materials.

  3. Phase03Testing service

    Verification of simulation and evaluating actual performance

    We assist you in performance evaluation according to your objectives, from a material to the effect after installation to a vehicle.

  4. Phase04Supporting new product proposal

    Help building the knowledge base needed to make suggestions to your customers

    We help you to identify the reasoning of the acoustic performance regarding the developed product.

For development engineers in components suppliers

We support your efficient acoustic materials development.

With CASE era approaching, the acoustic performance required of cars has changed, and the acoustic requirements for automotive parts has also increased.
As the number of new entrants has increased, it is required to shorten the development period and carry out development efficiently.
Nihon Onkyo Engineering will support you as an acoustic development partner, from both testing and simulation service.

[Example of inquiries]
  • Can we achieve the requested cost, thickness, weight, and acoustic performance?
  • How can we develop the materials having acoustic properties and others?
  • We would like to develop acoustic metamaterials to exceed performance of conventional materials.
  1. Phase01To know sound

    Providing information on sound

    We provide a variety of information on sound, from beginner of sound to experts who want to know more about it.

    Testing service

    We help you from understanding the current situation necessary for new development and improvement.

  2. Phase02Simulation service

    To know the relationship between materials and physical properties

    We evaluate and identify the relationship between physical properties of the material and its acoustic performance.

    Software for improvement and examining combinations

    We provide software that simulates changes in acoustic performance with combining materials.

  3. Phase03Testing service

    Verification of simulation and evaluating actual performance

    We assist you in performance evaluation according to your objectives, from a material to the effect after installation to a vehicle.

    Testing of sound absorption and insulation of developed components

    We are providing customized testing service as your needs.

  4. Phase04Supporting new product proposal

    Acoustic performance estimation of combined materials

    We examine many patterns and combinations of materials. We support development and proposals according to customer requests.

For engineers in automotive OEM

Material development for new vehicle

As the way of automobiles changing, it is required to substitute materials used for automobiles with lower cost, lower environmental load together with higher functionality.
We help you to improve the acoustic performance. Moreover, we help to make you understand of the principle realizing such performance, from measurement and simulation.

[Example of inquiries]
  • I want to develop the thin materials but having high sound absorption
  • I want to find the materials having good absorptive characteristics over 10 kHz.
  • I want to obtain parameters to be used in simulation software.
  1. Phase01To know sound

    Providing information on sound

    We provide a variety of information on sound, from beginner of sound to experts who want to know more about it.

  2. Phase02Simulation service

    Material parameter acquisition service to be input to large-scale simulation

    We measure the input parameters corresponding to materials required when simulating the NVH performance used in an automobile.

  3. Phase03Testing service

    Verification of simulation and check correlations

    We conduct experiments to confirm the validity of the simulation, considering the factors that cause differences between them.

    Vehicle experiments in a semi-anechoic chamber and testing of acoustic characteristics of actual products

    We offer customized test.

  4. Phase04Support of advance developments

    Supporting both simulation and testing

    We support the development of advanced materials from simulation and testing and support installation in next-generation vehicles.

FAQ

Q. One of our customers said, "Is this material effective for sound?", how can I determine it?
A. Acoustic phenomena can be explained to some extent by physical models.
Starting with an explanation of the sound absorption and insulation basics, we will support you by setting targets to realize what you really want.
Q. What should I start with to tackle sound issues?
A. If you have materials that has already been developed, in most cases we will offer normal incidence sound absorption coefficient testing first to understand the performance of these material. However, we may propose different methods depending on the purpose of the customer. Please feel free to contact us.
Q. I don't know how to verify the performance of product. Can you advise me from choosing the test method?
A. Let us know what you want to do and objectives. We will propose a feasible method using our testing facilities.