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String Simulator APK

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The description of String Simulator

This application provides numerical solution of nonlinear string differential equation.
First and last node of the string has hardcoded positions (boundary conditions of equation)
You may simulate behavior of string which is set by several parameters
(number of segments, dx growth, dt growth, damping factor, nonlinearity factor)
, initial shape (initial conditions of equation) and obstacles (additional boundary conditions of equation).
You may also change string node values when your simulation is running.

You must be careful when setting equation parameters. Too big values, or some
parameter values combinations may lead to numerical instability (for example: big nonlinearity
factor: 2.0 and much smaller other parameters).

Using application:
STEP1: you may change your equation parameters and tap Apply Parameters
(at this point string shape will be reset to default u(x)=1.5*sin(x) function
and all obstacles will be removed.
STEP2: you may change string initial shape by tapping Define Shape
and changing this shape using your finger.
STEP3: You may add some obstacles by tapping Define Obstacles
and tapping on places when you desire one.
STEP4: Start your simulation by tapping Start Simulation button.

It is recommended to use tablet devices.

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String Simulator APK Version History
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String Simulator 1.0 for Android 2.2+ APK Download

Version: 1.0 (1) for Android 2.2+ (Froyo, API 8)

Update on: 2016-07-06

Signature: 5aaa7a16ac1082816475002f27d058aaa25d6c27 String Simulator 1.0(1) apk safe verified

APK File SHA1: d525a1c313d4d451005263f8c0aac08c164076ca

Download APK(1.1 MB)

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