SD1116 Design of Silent and Vibration-free Products 6.0 credits

Konstruktion av tysta och vibrationsfria maskiner

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Course information

Content and learning outcomes

Course contents *

  • Fundamental sound and vibration concepts.
  • Sound and vibration environmental aspects.
  • Bestämmelser och standarder inom ljud och vibrationsområdet.
  • Linear systems applied to sound and vibration.
  • Frequency spectrum.
  • Wave equations with solutions in the field of sound and vibration.
  • Sound and vibration wave propagation, reflection, transmission and standing waves.
  • Quasi-longitudinal and torsion waves in rods and shafts
  • Bending waves in beams.
  • Statistical room acoustics.
  • Sound radiation.
  • Sound generation.
  • Vibration isolation.
  • Sound in ducts.
  • Silencers.
  • Design of excitation forces for silent products and processes.

Intended learning outcomes *

The overall aim is to promote the development of quiet and vibration-free products and processes. The course participants should be provided knowledge necessary to carry out a relevant analysis of the sound and vibration properties of a product. The knowledge should also serve a basis for possible further studies in the sound and the vibration field.

After completing the course the student should be able to

  1. Account for and explain key sound and vibration concepts and quantities.
  2. Account for environmental consequences of sound and vibration.
  3. Account for, explain and critically choose relevant mathematical models and methods to describe important sound and vibration quantities.
  4. Apply relevant mathematical models and methods to calculate important sound and vibration quantities.
  5. Measure a products sound emission properties.
  6. Measure and assess the hand-arm vibration exposure of a handheld tool.

Course Disposition

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Literature and preparations

Specific prerequisites *

SF1523 Analytical and numerical methods for differential equations

Active participation in SG1140 Mechanics II 

Recommended prerequisites

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Equipment

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Literature

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Examination and completion

Grading scale *

A, B, C, D, E, FX, F

Examination *

  • LAB1 - Laboratory Exercises, 1.0 credits, Grading scale: P, F
  • TENA - Written Theory Examination, 3.0 credits, Grading scale: P, F
  • TENB - Written Problem-solving Examination, 2.0 credits, Grading scale: P, F

Based on recommendation from KTH’s coordinator for disabilities, the examiner will decide how to adapt an examination for students with documented disability.

The examiner may apply another examination format when re-examining individual students.

Opportunity to complete the requirements via supplementary examination

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Opportunity to raise an approved grade via renewed examination

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Examiner

Hans Bodén

Further information

Course web

Further information about the course can be found on the Course web at the link below. Information on the Course web will later be moved to this site.

Course web SD1116

Offered by

SCI/Aeronautical and Vehicle Engineering

Main field of study *

Technology

Education cycle *

First cycle

Add-on studies

SD2125 Signals and mechanical systems

SD2140 Vibro Acoustics

SD2165 Acoustical Measurements

SD2150 Experimental Structure Dynamics, project course

SD2155 Flow Acoustics

SD2166 Building acoustics and community noise

SD2170 Energy Methods

SD2175 Numerical Methods for Acoustics and Vibration

SD2180 Non-Linear Acoustics

SD2191 Vehicle Acoustics and Vibration

Contact

Ulf Erik Carlsson, ulfc@kth.se

Ethical approach *

  • All members of a group are responsible for the group's work.
  • In any assessment, every student shall honestly disclose any help received and sources used.
  • In an oral assessment, every student shall be able to present and answer questions about the entire assignment and solution.