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Clone of Homework 9/16
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10. Satelliet om aarde
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Problem of the sliding chain
Clone of Sliding Chain
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Simple example of a 1D spring "solving" the differential equation using flows (dQ/dt) and stocks (Q). I had to remove "units" because you don't seem to be able to create units, by combining existing units. I needed "N/m" for the spring constant.
1D Spring
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This shows the motion of a simple harmonic oscillator, described in terms of the natural frequency of oscillation. An accurate solution requires a small time step and RK4 as the integration algorithm.
Simple harmonic oscillator 2
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Simulating soil temperature profile.

'Tm' is the annual surface mean temperature. 'delta T' is the annual variation in surface temperature. 'Te' is the long term equilibrium temperature at depth.

Clone of Seasonal Heat Flow into Surface of Earth
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Potential energy to Velocity
Clone of Velocity
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Z206 from Hartmut Bossel System Zoo 1 p99-102 See also a beautiful Youtube 3D Video Simulation

Clone of Lorenz Attractor
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Practicum Paris Gun
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A PID control loop for a simple linear system
Some stochasticity in the throttles and sensors
Double 1st order PID loop
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Problem of the sliding chain
Clone of Sliding Chain
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Problem of the sliding chain
Clone of Sliding Chain
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Clone of Nuclear Decay Chain
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Simple periodically driven damped oscillator.
Periodically Driven Damped Oscillator
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Clone of Nuclear Decay Chain
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Simple example of a 1D spring "solving" the differential equation using flows (dQ/dt) and stocks (Q). I had to remove "units" because you don't seem to be able to create units, by combining existing units. I needed "N/m" for the spring constant.
Clone of 1D Spring
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Uma empresa de transportes precisa efetuar a entrega de uma encomenda o mais breve possível. Para tanto, a equipe de logística analisa o trajeto desde a empresa até o local da entrega. Ela verifica que o trajeto apresenta dois trechos de distâncias diferentes e velocidades máximas permitidas diferentes. No primeiro trecho, a velocidade máxima permitida é de 80 km/h e a distância a ser percorrida é de 80 km. No segundo trecho, cujo comprimento vale 60 km, a velocidade máxima permitida é 120 km/h. Supondo que as condições de trânsito sejam favoráveis para que o veículo da empresa ande continuamente na velocidade máxima permitida, qual será o tempo necessário, em horas, para a realização da entrega? 

Fonte: Enem 2012

Clique aqui para ver uma descrição do que é Movimento Uniforme.

Movimento Uniforme
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Clone of Wind Resistance Model
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Le but de cette simulation est de mettre en place des primitives qui génèrent des flux de diverses formes (sinusoïdales, rectangulaires,  triangulaires et en dent de scie) qui pourront ensuite être utilisées dans d'autres circuits hydrauliques plus complexes.
Hydraulic wave generators
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5. Lanceren van een raket in 1 dimensie
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Clone of Wind Resistance Model
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A Fourier series is a way to expand a periodic function in terms of sines and cosines. The Fourier series is named after Joseph Fourier, who introduced the series as he solved for a mathematical way to describe how heat transfers in a metal plate.

The GIFs above show the 8-term Fourier series approximations of the square wave and the sawtooth wave.

Clone of Fourier series
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Simulation der Flugbahn eines Federballs
Schiefer Wurf mit Strömungswiderstand