Neutron STEM Lab

Mechanical Engineering Calculators & Design Tools

Free mechanical engineering calculators for statics, strength of materials, dynamics, vibration, machine design, stress, deflection, shafts, gears, and engineering mechanics.

Explore Mechanical

Use mechanical engineering calculators and workbenches for statics, strength of materials, dynamics, vibration, and machine design. The tools connect free-body relationships, stress and deflection equations, motion, and component sizing.

Results are intended for learning and preliminary analysis, with equations and engineering assumptions exposed for verification.

Common topics

  • statics
  • strength of materials
  • beam stress
  • dynamics
  • vibration
  • machine design
  • shafts and gears
  • engineering mechanics
Measurement to interpretation

Analyze experimental data and uncertainty

Import CSV measurements, inspect distributions and regression residuals, build Type A/B uncertainty budgets, and compare analytical sensitivities with seeded Monte Carlo. Original data and exclusion decisions remain visible.

Open the Measurement, Data Analysis & Uncertainty Lab →

Compute, inspect, verify

Solve fluid transport and incompressible flow

Explore six CFD experiments with field maps, analytical references, conservation checks, and mesh convergence.

Open the Computational Fluid Dynamics Laboratory →

Mechanical tools

Open a calculator, simulator, visualizer, or reference workbench.

Dynamics & Vibration: labelled diagrams and key equations for dynamics, vibration, resonance, and balancing.
Mechanicalintermediate

Dynamics and Vibration Workbench

Eight modules covering rotational inertia, the mass-spring-damper in free and forced response, natural frequency, damping ratio from decay, shaft critical speed, two-plane rotor balancing, four-bar…

Open tool
Machine Design: labelled diagrams and key equations for machine design, gears, bearings, and shafts.
Mechanicalintermediate

Machine Design Workbench

Fifteen modules covering gear ratios and trains, spur gear geometry, belt and chain drives, bearing life, shaft sizing, keys, bolt preload, thread engagement, springs, flywheels, cam motion…

Open tool
Mechanical gearing illustration showing spur gears, an internal ring gear, and a planetary gear arrangement with speed and torque readouts.
Mechanicalintermediate

Mechanical Gear Train Simulator

Free browser-based mechanical gear train simulator for spur, compound, internal, and planetary gear systems. Explore speed ratio, rotation direction, torque multiplication, mesh velocity, and basic…

Open tool
Statics & Strength: labelled diagrams and key equations for statics, strength of materials, beams, and stress.
Mechanicalintermediate

Statics and Strength of Materials Workbench

Sixteen modules covering free-body diagrams, support reactions, method of joints, section properties, shear and moment diagrams, bending and shear stress, axial load, torsion, thermal stress…

Open tool