Short Courses
Register for Short Courses
Sunday, May 14, 2023
INCE Fundamentals Prep Course & Exam
Time: 10:00 am – 3:00 pm ET (course), 4:00 pm – 6:00 pm ET (fundamentals exam)
Cost: $100 with purchase of N-C 23 Registration; $200 without N-C 23 Registration
Instructor: James D. Barnes, ACENTECH
Overview:
The INCE Fundamentals Exam may be used in partial fulfillment of the requirements for INCE Membership. A review session will be conducted from 10:00 am – 3:00 pm ET to prepare for the exam which will be conducted in-person and online. The exam will then only be offered online beginning at 4:00 pm ET. Please note that when registering for this course, you will be asked to upload a digital photo.
If you are interested in taking the Fundamentals Exam without taking the Short Course you can do so at no charge by sending your request to [email protected] – Please be sure to include your full name, address, email and contact phone number, and include Fundamentals Exam in the subject line.
Fundamentals of Vibration and Sound
Time: 8:00 AM - 5:00 PM
Price: Full Day, $800 per student
Instructor: Stephen A Hambric, Hambric Acoustics
Overview:
Have you been measuring or simulating vibration and sound without really having learned the fundamentals? Drawing from my many tutorials in the Internoise congress proceedings (available at www.hambricacoustics.com) and the book ‘Engineering Vibroacoustics’ (Wiley) I will teach you the basics with a minimum of math and plenty of computational and experimental practical examples. We’ll start with structural vibrations, where you will learn about different wavetypes, modes of vibration, mobility and impedance, infinite structure theory (one of your most useful tools!), and structural power flow. Next, I’ll explain sound-structure interaction: how structures radiate sound and how sound excites structures, sound power transmission loss, and coupling between structures and acoustic cavities. Finally, I’ll give an overview of numerical methods (finite elements, boundary elements, statistical energy analysis) used to solve vibroacoustic problems and their frequency ranges of applicability.
Structural Vibrations
• Longitudinal, shear, and bending waves in beams and simple, stiffened, and composite panels
• Modes of vibration
• Mobility and impedance
• Infinite structure theory – one of your best friends!
• Structural power flow between coupled oscillators – the basis of Statistical Energy Analysis
Sound-Structure Interaction
• Basic loudspeaker sound radiation and the concept of radiation efficiency
• How acoustic regions ‘load’ and couple with structural vibrations
• How structural vibrations radiate sound
• How sound fields induce structural vibrations
• Sound power transmission loss through panels
• Coupled panels and interior acoustic cavities
Overview of Numerical Methods for Vibroacoustics
• Finite Element Analysis (FEA) for structural vibrations
• Boundary Element Analysis (BEA) for acoustic fields
• Statistical Energy Analysis (SEA) for coupled structural and acoustic systems
• Short survey of advanced techniques like Transfer Path Analysis, Energy Finite Element methods, and wave-based vibration modeling
Acoustical Enclosures
Time: 8:00 AM - 5:00 PM
Price: Full Day, $800 per student
Instructors: David Herrin, Professor; Director, Vibro-Acoustics Consortium, University of Kentucky
David Copley, Sr. Engrg. Specialist – Acoustics, Global Sound & Cooling | Caterpillar Inc.
Overview:
Enclosures are commonly used to contain and control noise, among other purposes. This course will cover the theory and practical implications of acoustical enclosures, along with means to predict and assess the performance of enclosures. Some of the topics that will be covered include enclosure theory, full and partial enclosures, acoustical materials, ventilation treatments, leakage and seals, analysis via simulation and test, basic design guidance and validation.
Active Noise Control
Time: 1:00 PM - 5:00 PM
Price: Half-day, $400 per student
Instructor: Yangfan Liu, Assistant Professor of Mechanical Engineering, Purdue University
Overview:
The history of active sound and vibration control technology can be dated back to its first documented attempt in the 1930s. Wave theory-based research on active control of sound and vibration started in 1950s. It first became a popular research area in 1990s, during that period, enormous studies were carried out, many effective active control signal processing algorithms were developed, and implementations were successful in a wide range of engineering applications, such as the control of noise in automobiles, aircraft, buildings, industrial environments, etc. After a one-decade “cooled-down” period, active sound and vibration control have recently reclaimed its research popularity. This is not only driven by the even wider range of application and commercialization potentials of this technology brought by the recent rocketing in the computing power of signal processing hardware together with its cost drop, but also by the unprecedented potential research outcomes if the recent research breakthroughs in other widely studied areas, such as artificial intelligence, computing technology, virtual reality, smart systems, perception-based engineering, etc., can find their ways in benefiting active control of sound and vibration.
This half-day short course introduces the fundamental concepts and theories related to active noise and vibration control, basic algorithms, as well as various typical applications of this technology.
Overview of Acoustic and Vibration Simulation Methods
Time: 8:00 AM - 5:00 PM
Price: Full day, $800 per student (may increase with lunch)
Instructors: Dr. Rabah Jadjit, ESI Group
Overview:
Numerical Simulation has become an accepted and essential part of interior and exterior acoustics and vibration design for a range of industries and products and especially for the vehicle industry in order to allow effective early design and to complement and reduce the amount of testing involved in product development. Well-established tools and modeling practices exist for several different simulation methods each of which has its own particular advantages and limitations based on frequency range, modeling objectives, and speed versus accuracy tradeoff and computer resource required. This full-day course is intended to offer to the test engineer, minimally to moderately experienced simulation engineer or those wishing to have a deeper understanding of one or more of the presented analysis methods an introduction to these different modeling techniques with the goal of improving understanding of the best applications to current state-of-the art vehicle acoustic and vibration design processes. The team of instructors offering significant acoustics and vibration simulation experience will present background, theory, practical application examples and discussion of several of the current state-of-art analysis useful methods listed in the agenda.
Agenda:
Morning:
Introduction and Background of Noise and Vibration Simulation Methods
Statistical Energy Analysis
Overview & Basic Theory
Practical Applications and Examples
Use with Complex Sources including Aero-Vibro-Acoustics
Boundary Element Method
Overview & Basic Theory
Practical Applications and Examples
Lunch Break (provided at event and included in registration fee)
Deterministic and Hybrid Methods
Ray Tracing
Overview & Basic Theory
Practical Applications and Examples
Use to Complement other Simulation Methods
Hybrid Finite Element & SEA Combination
Overview & Basic Theory
Practical Applications and Examples
State-of-the-Art and Evolution of Hybrid Method
Thursday, May 18, 2023
Vehicle Sound Package Materials
Time: 1:30 PM - 5:30 PM
Price: Half-day, $400 per student
Instructor: Pranab Saha, Principal Consultant/Kolano and Saha Engineers, Inc.
Overview:
The half-day short course provides an understanding of different sound package materials that are used in vehicles (including passenger vehicles, heavy trucks, and off highway vehicles) and how they reduce the noise in vehicles. The course defines three different types of acoustical materials, explains their differences, discusses the factors that are critical for improving the performance of these materials, and discusses different test methods to evaluate the performance of them. This short course is an introductory course and designed to make participants familiar with sound package materials from the application viewpoint.
Attendees will learn:
- Three fundamentally different sound package materials that are used in ICE and EVs
- Descriptors of these different materials and how they are different from each other
- How these materials work and how their performance could be improved
- How different materials perform in an application
- How measurements are made to determine the performance of these materials.