VCPD231 - Applied Shock and Vibration Analysis and Design (Virtual Classroom) has been added to your cart.

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Applied Shock and Vibration Analysis and Design (Virtual Classroom)

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Apr 26-28th, 2021

26

$2110

$2010

Description Outline About the Instructor

Description

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Schedule: this course will run from 9:30 AM to 1:30 PM and 2:00 PM to 6:00 PM Eastern each day

In this intermediate level course, engineers with backgrounds in mechanical, structural or related engineering disciplines will learn how to compute natural frequencies and response to dynamic forces, and designs to reduce vibration of new and existing systems. Machineries, shafts and rotor systems, rotating equipment, their supports and foundations, vibration absorbers (tuned mass dampers), vibration isolators, shock loads and shock spectra, earthquakes, transportation vibrations, flow-induced vibrations and vibration monitoring are all discussed.

How to benchmark analytical results with test results or field data will also be taught. Emphasis is not on derivation of equations, but rather on assumptions and limitations of various analysis techniques and guidelines on when to use which method. Thirty-two detailed, step-by-step, worked-out examples of analysis and design are presented at appropriate junctures throughout the course. Five case histories are also presented to demonstrate how the various concepts and methods presented in the course are applied in complex vibration projects.

You Will Learn To

Compute frequencies of complex equipment, structures and systems
Compute dynamic response to a variety of operational and environmental forces
Compute equivalent static loads
Employ different methods of reducing vibrations of new and existing equipment and structures, including frequency separation techniques, dampening, vibration absorbers, tuned mass dampers, and vibration isolation
Perform calculations related to special topics, such as solid-fluid systems and flow-induced vibrations

Who Should Attend
Engineers, engineering supervisors and managers responsible for designing or qualifying mechanical components, equipment, piping and structures subjected to dynamic forces; those responsible for auditing, reviewing, or approving shock and vibration analysis tasks. Those with a few years of experience in vibration analysis as well as those who are new to the area will benefit. No prior knowledge of structural dynamics is necessary.

Course Materials (included in purchase of course):
Digital course notes via ASME’s Learning Platform

Outline

Topics Covered

Introduction
Single-degree-of-freedom systems (SDOF)
- Free Vibration: Natural frequencies and critical damping
- Forced Vibration: Harmonic, transient, and impulse forces
- Base excitations: response spectra
- Dynamic amplification factors
- Resonance
- Equivalent Static Load
- Torsional vibration
- How to reduce vibration levels in SDOF
Shock spectrum
- How to develop shock spectra from force time histories
- How to use shock spectra to compute dynamic response to shock loads
Multiple-degrees-of-freedom systems (MDOF)
- Natural frequencies and mode shapes
- Direct Time-history response analysis
- Modal Time-history response analysis
- Shock spectrum method of response analysis
- Comparison of Methods: Relative advantages, accuracy and suitability
- How to reduce vibration levels in MDOF

Earthquakes and Other Base Excitations
- Load specification
- Time-History Analysis
- Response Spectrum Analysis
- Design Aspects

Finite Element Analysis (FEA)
- Basic concepts, assumptions and limitations
- Guidelines to FE modeling (keys to successful analysis)
- Example FE models and results
Modal testing of equipment and structures
- Definitions
- Practical aspects
Test-Analysis Correlation
- Sources of errors in test results
- Sources of errors in analysis
- Test-analysis correlation of natural frequencies
- Fine-tuning analysis models using test-analysis correlations

Torsional vibrations (shafts, disks, and rotors)

Vibration Absorbers (Tuned-Mass Dampers)
- Basic Concepts
- Analysis and design
- Where used?
- Advantages and disadvantages
Vibration Isolation
- Basic Concepts
- Design
- Where used?
- Advantages and disadvantages
Transportation of Sensitive Equipment
- Forces during transportation (oscillatory, shock and drop forces)
- Qualification by analysis
Vibration of Rotating Equipment
- Forces acting on rotating equipment
- Response computation
- Design to meet manufacturer or operator specifications
Foundations for Rotating Equipment
- Harmonic forces due to operation of rotating machines
- Modeling foundation stiffness and damping
- Design to avoid resonance and/or large displacements
Flow-Induced Vibrations
- Vibration mechanisms
- Design against vortex shedding
- Vortex suppressors
Machinery Vibration Monitoring and Problem Diagnosis
- Periodic and continuous vibration monitoring
- Methods and equipment
- “Symptoms” and diagnosis
Worked-out Numerical Examples
- 32, detailed, step-by-step, worked-out examples of analysis and design are presented in the various chapters
Case Histories
- Five case histories are presented to demonstrate how the various concepts and methods presented in the course are applied in complex vibration projects

About the Instructor

Dr. C. (Raj) Sundararajan has over 35 years of experience in shock and vibration analysis. He has been the President of EDA Consultants since 1982. Previously, he held senior technical positions at an architect-engineering firm, equipment vendor and a consulting firm (Lummus Canada, Foster Wheeler, and Impell). Dr. Sundararajan has authored two books and published over 50 technical papers. He received the ASME Best Paper Award in 1986. He has been teaching ASME courses since 1992.