Tags: damping

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  1. Remote Teaching Module - Car Suspensions

    28 Jul 2020 | | Contributor(s):: Therese Shelton

    In this modeling activity, students examine the spring-mass-dashpot that is part of a car suspension. We model a "quarter car'', meaning a single wheel, and compare effects of different masses, spring constants, damping coefficients, and the angle at which the assembly is installed....

  2. 3-034-T-CarSuspensions

    14 Jul 2020 | | Contributor(s):: Therese Shelton, Brian Winkel

    In this modeling activity, students examine the spring-mass-dashpot that is part of a car suspension. We model a "quarter car'', meaning a single wheel, and compare effects of different masses, spring constants, damping coefficients, and the angle at which the assembly is...

  3. 2014-Cimbala-DynamicSystemResponse

    29 Mar 2020 | | Contributor(s):: Brian Winkel

    2014-Cimbala-DynamicSystemResponseCimbala, John M. 2014. Dynamic System Response. Notes. 11 pages.IntroductionIn an ideal world, sensors respond instantly to changes in the parameter being measured.In the real world, however, sensors require some time to adjust to changes,...

  4. 2018-Gavin-DynamicsOfSimpleOscillators

    24 Mar 2020 | | Contributor(s):: Brian Winkel

    2018-Gavin-DynamicsOfSimpleOscillatorsGavin, Henri P. 2018.  Dynamics of Simple Oscillators(single degree of freedom systems). Department of Civil and Environmental EngineeringDuke University. Notes. 39 pp.IntroductionThis document describes free and forced dynamic...

  5. 4-055-S-ShatterWineGlass

    20 Aug 2018 | | Contributor(s):: Jue Wang

    This module takes students through real life scenarios to examine resonance and its destructive power using differential equation models. What is resonance? How does it happen? Why is it important? Three cases are presented: shattering a wine glass, collapse of a suspension bridge, and crash of...

  6. Morin-Osillations

    11 Sep 2017 | | Contributor(s):: Brian Winkel

    Morin, David. Oscillations. http://www.people.fas.harvard.edu/~djmorin/waves/oscillations.pdf . Accessed 11 September 2017. Notes. 37 pp.From the first page“A wave is a correlated collection of oscillations. For example, in a transverse wave traveling along a string, each point in the...

  7. 2009-May-NodalVibrationControl

    09 Sep 2017 | | Contributor(s):: Brian Winkel

    May, James E. 2009. Non0linear vibration control of long flexible structures employing intermodal energy transfer (modal damping).  PhD Thesis. University of Akron. 314 pp.From the introductionIn the not too distant past, the design philosophy for tall civil structures could be summarized as...

  8. BobbingObjectInWater

    09 Sep 2017 | | Contributor(s):: Brian Winkel

    Introduction to Second Order Linear Equations- Bobbing Object in Water. 2 pp.This is a nice treatment of developing a model of a bobbing object in water from first principles with some nice additional questions which would make a nice Modeling Scenario.Keywords:  buoyancy, bobbing, water,...

  9. 9-012-S-PDEGuitarTuning

    04 Jun 2015 | | Contributor(s):: Brian Winkel

    We present a derivation of  a partial differential equation which models the motion of a string held at both ends, a case of the one-dimensional wave equation. We immediately offer  numerical solutions in a computer algebra system (we use Mathematica, but any...

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