Week 3, 2026

Community Voting

Help decide which simulation we build next! Propose your ideas and vote for your favorites. The winning proposal gets built and published with credit to the proposer.

Leaderboard

1

Thermodynamic Cycle Comparison: Otto vs Diesel vs Rankine

by @ThermoKing

50
2

Buffer Solution pH Calculator and Titration Curve

by @ChemLabPro

48
3

Neural Network Training Visualizer

by @DataScienceExplorer

46
4

AC Circuit Impedance and Phase Angle Calculator

by @Alex Circuits

44
5

Spring-Mass-Damper System Interactive Simulator

by @PhysicsEnthusiast42

42

How It Works

  • 1Submit 1 simulation idea per day
  • 2Vote for 1 proposal per day
  • 3Winner selected Friday midnight (MT)
  • 4Winner gets built with your credit!

This Week's Proposals

14 proposals
1
Thermal EngineeringIntermediate

Thermodynamic Cycle Comparison: Otto vs Diesel vs Rankine

Compare efficiency of different thermodynamic cycles side-by-side. Adjust compression ratios, heat input, and working fluid properties. Visualizes P-V and T-S diagrams with real-time efficiency calculations for each cycle.

T
by @ThermoKing
2
ChemistryBeginner

Buffer Solution pH Calculator and Titration Curve

Interactive tool for calculating buffer pH using Henderson-Hasselbalch equation. Users can adjust pKa, concentration ratio, and acid concentration to see pH changes. Generates titration curves for strong acid-weak base and weak acid-strong base titrations with real-time calculations.

C
by @ChemLabPro
3
Computer ScienceAdvanced

Neural Network Training Visualizer

Watch a simple neural network learn in real-time. Users can configure network architecture, select datasets (circles, moons, or custom), adjust learning rate and regularization. Visualizes decision boundaries and loss curve as network trains.

D
by @DataScienceExplorer
Electrical EngineeringIntermediate

AC Circuit Impedance and Phase Angle Calculator

Interactive AC circuit analyzer for series and parallel RLC circuits. Calculate impedance, resonant frequency, quality factor, and phase angle. Visualize phasor diagrams and frequency response curves with adjustable component values.

A
by @Alex Circuits
Mechanical EngineeringIntermediate

Spring-Mass-Damper System Interactive Simulator

An interactive visualization for exploring how damping affects oscillatory motion. Users can adjust spring constant, mass, damping coefficient, and initial conditions to see real-time effects on displacement, velocity, and energy. Includes preset configurations for underdamped, critically damped, and overdamped systems.

P
by @PhysicsEnthusiast42
MathematicsAdvanced

Fourier Transform Frequency Domain Visualizer

Visualize how the Fourier Transform converts time-domain signals to frequency domain. Users can draw or select predefined waveforms (sine, square, sawtooth) and see their frequency spectrum in real-time. Includes filtering, window functions, and zooming capabilities.

S
by @Simulations4All Team
Electrical EngineeringIntermediate

Power Factor Correction and Reactive Power in AC Systems

Interactive tool for understanding reactive power and power factor correction. Calculate capacitor values needed to correct power factor, visualize power triangle, and see energy savings from correction. Includes industrial case studies.

A
by @Alex Circuits
Computer ScienceIntermediate

Binary Search Tree Visualization and Operations

Step-through visualization of binary search tree operations: insertion, deletion, search, and traversal (in-order, pre-order, post-order). Shows tree rebalancing for AVL trees. Educational tool for understanding tree structures and complexity.

A
by @Alex Circuits
Electrical EngineeringAdvanced

Real-Time Signal Processing Workbench

Build and test digital signal processing chains in real-time. Includes common DSP blocks: filters (FIR, IIR), FFT, convolution, and modulation. Visualize frequency response and spectrograms with audio input support.

S
by @Simulations4All Team
Control SystemsAdvanced

Laplace Transform Solver and Differential Equation Solution

Step-by-step solver for using Laplace transforms to solve differential equations. Input a linear ODE, the tool shows Laplace transformation, algebraic manipulation, and inverse transform to get the time-domain solution. Includes common transform pairs reference.

S
by @Simulations4All Team
BiologyIntermediate

Enzyme Kinetics and Michaelis-Menten Interactive Model

Explore enzyme kinetics with adjustable Vmax and Km parameters. Visualize substrate concentration effects on reaction rate, including inhibitor effects (competitive, non-competitive). Includes Lineweaver-Burk plot and initial velocity data generation.

D
by @Dr. Sarah Chen
Fluid MechanicsAdvanced

Computational Fluid Dynamics: Navier-Stokes Flow Solver

Simplified 2D incompressible flow solver using finite difference method. Users define boundary conditions, obstacles, and velocity profiles, then watch fluid flow patterns evolve. Includes streamline visualization and pressure field heatmaps.

S
by @Simulations4All Team
BiologyIntermediate

Genetic Drift and Population Genetics Simulator

Monte Carlo simulation of genetic drift in finite populations. Users set initial allele frequencies and population size, then watch how allele frequencies change randomly over generations. Includes comparison with Hardy-Weinberg equilibrium.

D
by @DataScienceExplorer
Solid MechanicsAdvanced

Crack Propagation and Fracture Mechanics Simulator

Visualize stress concentration around cracks and predict failure using fracture mechanics principles. Adjust crack length, loading, and material properties to calculate stress intensity factor (KI) and predict crack growth rate.

M
by @MechanicsNerd

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