Text Search:
Applied Filters
    Web Popgen
    A Hardy-Weinberg simulation program.
    1921

    views

    308

    downloads

    0

    comments

    0

    adaptations

    2003-Givens-Bonfima-Direct observation of normal modes in coupled oscillators
    We propose a simple and inexpensive method to directly observe each normal mode of a system of coupled oscillators, as well as to measure its corresponding frequency, without performing Fourier...
    81

    views

    38

    downloads

    0

    comments

    0

    adaptations

    4-050-ResonanceBeats-ModelingScenario
    We study what can happen when a pure oscillator (no damper) is driven by a forced vibration function which has the same or close to the same natural frequency as the system it is driving.
    148

    views

    172

    downloads

    0

    comments

    0

    adaptations

    2008-Keith_Landry-Brian_Winkel-Peak_Frequency_Responses_and_Tuned_Mass_Dampers
    We present two applications of systems of ordinary differential equations concerning excitation of a structure through resonance and (1) peak frequency responses with stabilization of the...
    112

    views

    32

    downloads

    0

    comments

    0

    adaptations

    Spectral Seismology Module (Project EDDIE)
    Based on a conceptual presentation of waveforms and filters

    Keywords: Project EDDIE

    1273

    views

    291

    downloads

    0

    comments

    1

    adaptations

    3-105-FrequencyResponse-ModelingScenario
    We describe the frequency response to a second order differential equation with a driving function as the maximum steady state solution amplitude and perform some analyses in this regard.
    161

    views

    165

    downloads

    0

    comments

    0

    adaptations

    4-023-MysteryCircuit-ModelingScenario
    Students to build a system of differential equations which model a circuit. We give each student a unique input voltage frequency parameter and ask for system response (gain) to that input as a...
    684

    views

    610

    downloads

    0

    comments

    0

    adaptations

    Politeness Data
    The dataset recorded properties of formal and informal speech registers in Korean.

    Keywords: linguistics

    1057

    views

    425

    downloads

    0

    comments

    0

    adaptations

    2010-Keesom-EtAl-Fishing for Answers Investigating Sustainable Harvesting Ra
    The purpose of this report is to determine and propose a model by which an optimal harvesting frequency can be determined to maintain a steady population of Alaskan salmon.
    100

    views

    39

    downloads

    0

    comments

    0

    adaptations

    1989-R_Blickhan-Spring Mass Model For Running-Hopping
    A simple spring—mass model consisting of a massless spring attached to a point mass describes the interdependency of mechanical parameters characterizing running and hopping of humans as a function...
    113

    views

    48

    downloads

    0

    comments

    0

    adaptations

    2018-Weber_Theers_Surmann_Ligges_Weihs-Sensitivity Analysis_of_Ordinary_Differential_Equation_Models
    This report will focus on the sensitivity analysis of ordinary differential equation (ODE) models since they can be used to model so-called Low Frequency Oscillations (LFOs).
    119

    views

    38

    downloads

    0

    comments

    0

    adaptations

    1-096-OP-AMP-Differentiator-ModelingScenario
    The output waveform (function) of a operational amplifier type of differentiator circuit is determined analytically from the first order governing ordinary differential equation and compared with...
    352

    views

    322

    downloads

    0

    comments

    0

    adaptations

    9-012-PDEGuitarTuning-ModelingScenario
    We lead students through 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, and then play it on...
    233

    views

    130

    downloads

    0

    comments

    0

    adaptations

    Natural Selection and Galápagos Finches
    A worksheet and accompanying data set that guides students through making and interpreting frequency distributions, selection differentials, and fitness functions.
    2710

    views

    1739

    downloads

    0

    comments

    0

    adaptations

    Spreadsheet Tutorial 5: Histogram
    Generate a histogram using a variety of methods.
    1226

    views

    362

    downloads

    0

    comments

    0

    adaptations

    Effect of Florida Surface Temperatures Over The Past Four Decades on the Frequency and Intensity of Florida Hurricanes and Tropical Storms
    Tropical storms and hurricanes bring strong winds and heavy rainfall with the capability of destroying entire cities when these storms break landfall. Warm ocean waters are required to produce...

    Keywords: hurricane

    1332

    views

    493

    downloads

    0

    comments

    0

    adaptations

    Maintenance of Phenotypic Polymorphism and a Scientist Spotlight Featuring Dr. Swanne Gordon
    In this lesson students interpret graphical evidence of frequency-dependent selection in the wood tiger moth, then make long-term evolutionary predictions. They then read and reflect on an...
    779

    views

    272

    downloads

    0

    comments

    0

    adaptations

    Exploring Fitness and Population Change under Selection: Avida-Ed Lab Book Exercise 3
    An introductory activity exploring the process of natural selection in action using the Avida-ED simulation.
    2814

    views

    1760

    downloads

    0

    comments

    0

    adaptations

    Lake Mixing Module (Project EDDIE)
    Students explore spatial and temporal patterns of lake mixing using high-frequency temperature data from lakes around the world.
    1070

    views

    284

    downloads

    0

    comments

    0

    adaptations

    Birthday Problem and Class Phenotypic Probabilities
    An Excel workbook exploring two related applications, the Birthday Problem and Class Phenotypic Probabilities. Students enter their own phenotypes into the workbook.
    991

    views

    203

    downloads

    0

    comments

    0

    adaptations