Comparison Study of Numerical Acoustic Analysis and Acoustic Measurement
The subject of analysis is "Universal Mist," designed and developed by Maruyama Manufacturing Co., Ltd. (hereinafter referred to as Maruyama Manufacturing). The entry model of Universal Mist, "MUM602," allows for intermittent operation through timer control, is lightweight, and does not require water supply work as it connects directly to a water source. The main unit connects a water supply hose and a drainage hose, and by attaching a mist nozzle to the drainage hose, mist is generated from that nozzle. During operation, the pump mechanism produces operational noise. Since it is used in various locations, we considered noise reduction measures for Universal Mist to create a comfortable space while being mindful of the sound environment. - Formulation of noise reduction measures aimed at reducing noise - Experiments to understand the phenomenon - Analysis model and boundary conditions - Evaluation of analysis results - Summary of analysis results for the current model - Verification of model validity - Consideration of measures aimed at noise reduction - Installing a barrier between the opening and the sound source If you are interested in noise control or acoustic design, please take a moment to read this. Free download of the materials ⇒ https://www.idaj.co.jp/whitepaper/0016/form.html
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There is a growing recognition that sound, which can be heard without conscious awareness, is one of the important factors that determine the added value of a product. In response to this, as CAD and CAE technologies have developed, the demand for acoustic analysis has also been increasing year by year, leading to the sale of many software solutions for acoustic analysis to solve various challenges. Will implementing such software solve all problems? In reality, correctly operating the software requires advanced experience and skills. For example, it is necessary to convert various parts and materials into models suitable for acoustic analysis, determine the parameters used in those models through measurement, experimentation, or estimation, and input them into the software. Additionally, inspections for validating the analysis and understanding the current state of the product often require measurements or experiments, and knowledge of experimentation and measurement is essential to make acoustic analysis meaningful. At IDAJ, we offer a variety of acoustic engineering services centered around CAE for such acoustic design. Experienced specialists in acoustic analysis will assist you in solving your acoustic-related challenges.
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We propose appropriate solutions after hearing the challenges of all companies and engineers that require acoustic analysis. Acoustic Design Examples - Example 1: The impact of sound bridges in double walls - Example 2: Evaluation of sound insulation performance of a soundproof package designed for a generator - Example 3: Noise countermeasures for Universal Mist (MUM602) - A comparative study of numerical acoustic analysis and acoustic measurements - Example 4: Muffler noise reduction design - Analysis of acoustic transmission loss and radiated sound
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While focusing on MBD and CAE technologies and their surrounding technical areas, we specialize in building virtual products and collaborative design processes through cutting-edge digital engineering. We form partnerships with leading-edge software vendors of the era, providing a comprehensive engineering environment necessary to solve our customers' increasingly diverse and complex challenges using top-level domestic digital engineering technologies, including thermal fluid analysis, structural analysis, electromagnetic field analysis, acoustic analysis, system simulation, optimization technologies, embedded software development environments, and simulation process data management (SPDM) solutions.
