Mech Lab
Practical calculation and visualisation tools connected to structural design, fabrication, process equipment, and mechanical product development.
Interactive First-Principles Simulators
Browse and search through available workstations, filtering by discipline or industrial application.
Structures
11 active workstations
Steel Standards DB
Interactive database and multi-section comparator for British Standard and Eurocode structural sections with property filtering and side-by-side analysis.
Section Properties
First-principles calculator for cross-sectional area, second moment of area (Ixx, Iyy), elastic modulus (Z), plastic modulus (Wpl), and radius of gyration.
Force Resolver
Build concurrent force systems, resolve Cartesian components, and check static equilibrium graphically.
Beam Bending
Explore support conditions, loading, reactions, shear force diagrams (SFD), bending moment diagrams (BMD), and elastic deflection.
Column Buckling
Compare effective length factors (K=0.5 to 2.0) and calculate critical buckling loads for slender structural columns.
Stress Concentration
Assess geometric notches, shoulder fillets, and circular holes to quantify local stress amplification under tension and bending.
Fatigue Life
Investigate cyclic loading, Wöhler S-N curves, Goodman/Soderberg mean stress corrections, and fatigue endurance limits.
Shaft Torsion
Calculate shear stress distribution, angle of twist, and polar moment of inertia for solid and hollow drive shafts.
Mohr's Circle
Determine principal stresses (σ₁, σ₂), maximum in-plane shear stress, and principal plane angles under complex biaxial stress.
Truss Analysis
Analyze pin-jointed structural trusses to determine tension and compression forces in structural web and chord members.
Moment of Inertia
Calculate cross-sectional area, centroid, neutral axis, and second moments of area (Ixx, Iyy, Z) for standard and custom shapes.
Fabrication
9 active workstations
Bolted Joint
Evaluate bolt preload, torque-tension relationships, external load sharing factors, and joint separation safety margins.
Weld Strength
Size fillet and butt welds under combined shear, bending, and axial loads according to Eurocode 3 (EN 1993-1-8) and AWS D1.1.
Welding Symbols
Interactive builder and decoder for standard welding symbols, supplementary contour finishes, field welds, and tail specifications.
GD&T Trainer
Practice geometric tolerances including position, profile, parallelism, perpendicularity, runout, and datum reference frames.
Limits & Fits
Compare hole-basis and shaft-basis tolerance classes (H7/g6, H7/p6, H7/s6) for clearance, transition, and interference press fits.
Spring Design
Size helical compression springs for required spring rate (k), active coils, Wahl stress correction factor, and solid length safety.
Power Screw
Analyze Acme, square, and trapezoidal lead screws for lifting torque, lowering torque, mechanical efficiency, and self-locking conditions.
Riveted Joints
Calculate shear failure, tearing of plate, and bearing crushing capacity for single and double-row riveted joints.
Thread Profiles
Explore ISO metric, UN/UNC/UNF, BSP, and NPT thread profiles, major/pitch/minor diameters, and stress areas.
Process
7 active workstations
Pressure Vessel
Calculate circumferential hoop stress, longitudinal stress, minimum shell thickness (UG-27), and Maximum Allowable Working Pressure (MAWP).
Pipe Flow
Calculate Reynolds number, flow regime (laminar/turbulent), friction factor screening, major pipe friction losses, and minor fitting losses.
Heat Exchanger
Analyze parallel and counterflow heat exchangers using Log Mean Temperature Difference (LMTD) and overall heat transfer coefficient (U).
Bernoulli Flow
Explore conservation of energy in incompressible flow, static vs dynamic pressure conversion, and flow rate metering with a Venturi tube.
Hydraulic Circuit
Simulate directional control valves, pressure relief valves, flow control throttles, and single/double-acting cylinder motion.
Hydraulic Cylinder
Calculate extension force, retraction force (rod annulus), fluid volume demand, and rod buckling safety under compressive push loads.
Centrifugal Pump
Match pump H-Q characteristic curves with system resistance curves to find operating duty point, hydraulic power, and NPSH available.
Mechanisms
8 active workstations
Four-Bar Linkage
Adjust link lengths, test Grashof conditions (crank-rocker, double-crank, rocker-rocker), and trace coupler point motion curves.
Gear Trains
Configure compound and planetary gear meshes, calculate velocity ratios, pitch line velocities, and output torque multiplication.
Bearing Life
Calculate dynamic equivalent load (P), radial/axial load factors (X, Y), and basic rating life L10 / L10h in hours of operation.
Bearing Selection
Guide selection between deep groove ball, spherical roller, tapered roller, and needle bearings based on load types and misalignment.
Cam Follower
Plot displacement, velocity, acceleration, and jerk diagrams for knife-edge, roller, and flat-faced follower cam profiles.
Slider-Crank
Simulate crank-connecting rod motion to calculate piston displacement, velocity, acceleration, and primary/secondary forces.
Belt Drives
Determine tight and slack side tensions (T1, T2), wrap angle, friction coefficient, and maximum power capacity for flat and V-belts.
Flywheel Sizing
Size flywheel mass and moment of inertia based on maximum fluctuation of energy (ΔE) and allowable speed variation coefficient.
Mechanics & Motion
13 active workstations
Simple Pendulum
Explore pendulum period, frequency, angular motion, and energy exchange using length, gravity, amplitude, and mass controls.
Newton's Laws
Practice inertia, F = ma, and action-reaction pairs with live force, mass, acceleration, and free-body feedback.
Projectile Motion
Adjust launch velocity, angle, gravity, and drag estimate to visualize range, flight time, peak height, and impact speed.
Escape Velocity
Compare launch speed with escape speed and circular orbit speed for planetary bodies using gravitational energy relationships.
Friction Forces
Model static friction, kinetic friction, normal reaction, incline angle, and pull angle to see when slip begins.
Simple Machines
Explore levers, pulleys, inclined planes, wheel-and-axle, screws, and wedges using force ratio and efficiency checks.
Hooke's Law
Study F = kx, elastic potential energy, and equivalent stiffness for single, series, and parallel spring arrangements.
SHM
Visualize displacement, velocity, acceleration, phase, frequency, and energy exchange for ideal oscillators.
Vibrations
Explore damping ratio, natural frequency, forced response, resonance, and decay in a mass-spring-damper model.
Gyroscope
Explore angular momentum, applied torque, spin speed, precession rate, and stability trends for rotating bodies.
Free Fall
Drop objects under different gravity levels and calculate velocity, distance, energy, and fall time.
Torque Rotation
Study torque, angular acceleration, moment of inertia, lever arm, and rotational kinetic energy.
Gear Strength
Estimate gear tooth bending stress, contact stress trend, pitch-line velocity, and safety margin from module and face width.
Materials & Testing
4 active workstations
Stress-Strain
Inspect Hooke's elastic zone, Young's modulus (E), 0.2% offset proof yield strength, ultimate tensile strength (UTS), and fracture ductility.
Hardness Testing
Convert between Brinell (HBW), Rockwell (HRC/HRB), and Vickers (HV) hardness scales, and estimate equivalent tensile strength.
UTM Testing
Simulate standard tensile, compression, and 3-point bend tests on standard test coupons with real-time stress-strain curve generation.
Sheet Metal Bending
Calculate bend allowance (BA), bend deduction (BD), setback, and minimum inside bend radius based on sheet thickness and K-factor.
Metrology & Machining
4 active workstations
Machining Speeds
Calculate spindle speed (RPM), surface cutting speed (Vc), feed per tooth (fz), table feed (Vf), and metal removal rate (MRR).
Vernier Caliper
Practice reading 0.02mm and 0.05mm vernier caliper scales for outside, inside, and depth step measurements.
Micrometer Gauge
Interactive 0.01mm metric micrometer simulator with thimble and sleeve vernier alignment exercises.
Dial Indicator
Simulate 0.01mm plunger and lever dial gauges to measure total indicated runout (TIR), flatness, and alignment.