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We will introduce basic knowledge about engineering plastics and CAE, as well as the latest information on the engineering plastics industry.

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CAE

Acoustic analysis

Features

Sound flow can be analyzed based on the vibration analysis.This analysis optimal sound insulation mechanisms based on sound generation and propagation using a material model that takes into account the properties of the resin.
In order to design resin parts with excellent acoustic properties, it is essential to develop Acoustic analysis technology.

What Acoustic analysis Can Do: Vibrating Body Control and Sound Isolation
Vibration control and sound insulation

Acoustic analysis details

Understand how vibrations are transformed into sound

By inputting the analysis data obtained by Vibration analysis into Acoustic analysis, it is possible to reproduce how the vibration of the object is transmitted as sound and output the frequency curve at any location.

Analysis reproduces how the vibration of an object vibrates the air and propagates it as sound
Analysis reproduces how the vibration of an object vibrates the air and propagates it as sound

Understand how well sound penetrates

By calculating the frequency curve transmitted through the plastic cover using material data that considers viscoelasticity, the sound insulation performance of the materials can be evaluated.

By comparing with and without the cover, it is possible to evaluate how much sound is insulated by the cover.
Evaluation of sound insulation performance of resin cover
CAE Download Slides

Analysis Case Study

Application example for sound insulation evaluation of oil pan

Visualize how engine vibration is transmitted to the air, and
etc., can be evaluated.

Video 1. Engine body + oil pan
Movie 2. Enlarged view of the oil pan in Movie 1
Video 3. Oil pan only
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Other CAE analysis technologies

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We will introduce Asahi Kasei 's engineering plastic products and technologies in more detail.

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