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Product Development Symposium

Modeling and Measurement


Wednesday 14 – 12:30pm – 2:30pm EDT

Three 40 Minute Sessions followed by Q&A

Session 1 – 12:30pm

Title: State of the Art and Trends in Transducer Simulation and Virtual Prototyping

Presenter: Mads Herring Jensen, COMSOL Technical Product Manager, Acoustics, Denmark 

Session 2 – 1:10pm

Title: Simulation of Sound Field Control Technologies in Automotive Listening Spaces 

Presenter: Martin Olsen, Sr. Principal Acoust. Eng., Harman International – Automotive 

Session 3 – 1:50pm

Title: From Crisp Packets to Cars; A Multiphysics Journey to Multiple Awards in the High-Fidelity Acoustic Space.

Presenter: Dr Mark-Paul Buckingham, Xi Engineering Consultants Ltd, Edinburgh, Scotland, United Kingdom 


Session 1 – State of the Art and Trends in Transducer Simulation and Virtual Prototyping 

The use of simulation and modeling has always played a role in electroacoustics when designing transducers: from the first analytical models, lumped circuit equivalents, to the current powerful simulation software tools. Within the last years, the combination of increased computation power and innovation in the simulation tools has made full virtual development and testing possible. Modeling is used from the first conceptual phase to explore new and exotic design to the final high-fidelity virtual prototype.

In this presentation, you will learn about:

– The typical stages involved in modeling a new transducer through a series of examples.

– The latest trends and state of the art, for example, modeling of nonlinear effects.

– How classical lumped modeling approaches can still be integrated into modern tools.

– How simulation is being used to model transducers in their environment like a room or car cabin.

– How optimization is used to explore new designs 

Session 2 – Simulation of Sound Field Control Technologies in Automotive Listening Spaces 

Within the last decades, the emergence of simulation tools has provided new opportunities for advanced sound system development in the automotive domain. As opposed to concert halls and large room listening spaces, sound reproduction in car interiors introduces additional challenges and imposes significantly different constraints, that are nowadays addressed utilizing numerical mathematical modeling approaches. Along with experimental sandbox environments, simulation studies enable research and development engineers to comprehend the acoustical problems at a much higher level, and aids education and genuine knowledge creation across any technology company who rely on controlling and hence understanding specific physical metrics.

The presentation addresses the typical development-stages involved in pre-development of car-audio systems and is illustrated with examples of simulations studies utilized to characterize the sound field inside car interiors . 

Session 3 – From Crisp Packets to Cars; A Multiphysics Journey to Multiple Awards in the High-Fidelity Acoustic Space. 

Multiphysics simulations has played an integral role in the design, development and market launch of not one but two multi-award-winning headphone systems. This presentation explains how Xi Engineering assisted Warwick Acoustics launch and created a true listening experience. Initially targeting professional and home audio this journey has taken Warwick Acoustics into the automotive sector. The benefits of the system do not stop at unbelievable audio reproduction; the space and weight saving of electrostatics bring additional benefits.

In this presentation you will learn more about electrostatic speakers, structural-acoustic interaction modeling and – not least – two of the best headphones on the planet. 

Mads Herring Jensen

COMSOL Technical Product Manager, Acoustics, Denmark

Mads Herring Jensen joined COMSOL in 2011 and is the technical product manager for the Acoustics Module. Before starting at COMSOL, he worked in the hearing aid industry for five years as an acoustic finite element expert, focusing on micro-acoustic applications, thermoviscous losses, and transducer modeling. Mads has a PhD in computational fluid dynamics from the Technical University of Denmark. 

Martin Olsen

Sr. Principal Acoust. Eng., Harman International - Automotive

Martin Olsen is employed as a senior principal engineer, at Harman International – Automotive, where he works in the field of automotive acoustical research and technology development. His present research areas include spatial sound field control utilizing arrays of loudspeakers and microphones in the automotive domain, numerical modeling, and is heading the Harman virtual acoustics team. 

Mark-Paul Buckingham

Xi Engineering Consultants Ltd, Edinburgh, Scotland, United Kingdom

Dr Mark-Paul Buckingham is the Managing Director of Xi Engineering Consultants Ltd. He achieved first-class honors in mechanical and completed a PhD in mechanical engineering, specializing in measurement of vibration reduction. Xi Engineering helps clients to accelerate their research & development, solving complex engineering problems by applying advanced Multiphysics simulation and measurement techniques. Dr Buckingham has more than 10 years of experience in managing technical projects and he is regularly asked to speak at international conferences on topics such as Digital Twin and Industry 4.0. 

COMSOL develops mathematical modeling software that drives new breakthroughs in physics and engineering. The company’s flagship product, COMSOL Multiphysics, is used in all fields of engineering, manufacturing, and scientific research for modeling multiphysics systems. Developers and designers use the software to understand, predict, innovate, and optimize product designs and processes. COMSOL offers multiphysics modeling, simulation, and application design and deployment software. For the audio industry, COMSOL offers its COMSOL Acoustics module, which features advanced acoustics analysis tools. Svante Littmarck and Farhad Saeidi founded COMSOL AB in 1986 in Stockholm, Sweden. Since then, the company has grown into a group of subsidiaries spread around the world. Today, Svante Littmarck is the CEO of the COMSOL Group and the president and CEO of COMSOL, Inc. Farhad Saeidi is the president of COMSOL AB.

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