Documentation/Modules
Engineering module guides
Each page is an engineering knowledge guide—how to select or analyze the component, key formulas, a worked example, FAQ—plus the technical reference for methods, assumptions, and limitations. Open the calculator from any guide to apply the workflow.
Structural Engineering
Members, frames, plates/shells, sections, and structural connections
- Beam Analysis: Shear, Moment & Deflection Engineering GuidebetaGuide
- Column Buckling: Stability Analysis & Design Engineering GuidebetaGuide
- Combined Loading: Multiaxial Stress Analysis Engineering GuidebetaGuide
- Frame Analysis: Rigid-Jointed Structural Frames Engineering GuideindicativeGuide
- Truss Analysis: Pin-Jointed Structure Engineering GuideindicativeGuide
- Plate Bending: Rectangular Plate Analysis Engineering GuideindicativeGuide
- Circular Plates: Axisymmetric Plate Bending Engineering GuideindicativeGuide
- Cylindrical Shells: Pressure Vessel Membrane Stress Engineering GuideindicativeGuide
- How Engineers Compute Section PropertiesindicativeGuide
- How Engineers Look Up Rolled Steel SectionsindicativeGuide
- How Engineers Analyse Arbitrary Cross-Section ProfilesindicativeGuide
- Fillet Weld Group Analysis — Throat Stress & Eccentric Loading GuidebetaGuide
Power Transmission
Belts, chains, and multi-pulley drives
- V-Belt Drive Design — Length, Tension & Power Capacity GuideindicativeGuide
- Engineering guide to timing belt drive design and synchronous belt selectionindicativeGuide
- Roller Chain Drive Design — Sprockets, Tension & Service Life GuideindicativeGuide
- Engineering guide to multi-pulley belt and chain drive layoutindicativeGuide
Machine Design
Shafts, gears, and rotating systems
- Spur & Helical Gear Rating — Bending, Pitting & ISO 6336 GuidebetaGuide
- Engineering guide to internal gear and rack-and-pinion designindicativeGuide
- Engineering guide to bevel gear design and load capacity screeningindicativeGuide
- Engineering guide to worm gear drive design and thermal screeningindicativeGuide
- Engineering guide to planetary (epicyclic) gear train designindicativeGuide
- Engineering guide to gear ratio design and tooth count selectionindicativeGuide
- Shaft Stress, Fatigue & Critical Speed — Complete Engineering GuideindicativeGuide
- Engineering guide to power screw and ball screw designindicativeGuide
- Engineering guide to cam mechanism design and motion analysisindicativeGuide
- Engineering guide to flywheel design for energy storage and speed regulationindicativeGuide
- Engineering guide to brake and clutch design and thermal analysisindicativeGuide
Bearings
Rolling, plain, and housings design
- How Engineers Select BearingsbetaGuide
- Bearing selection assistantsindicativeDoc pending
- Bearing databaseindicativeDoc pending
- Bearing failureindicativeDoc pending
- Plain Bearing Design — Sommerfeld Number, Film Thickness & Lubrication GuideindicativeGuide
- Engineering guide to bearing housing design and mounted unit selectionindicativeGuide
Springs
Helical compression, extension and torsion springs
Fasteners
Bolted and machine connections — ISO, DIN, ANSI, ASME context
- Bolted Joint Design — Preload, Proof Load & Joint Diagram GuideindicativeGuide
- Engineering guide to riveted joint design and failure mode analysisindicativeGuide
- Engineering guide to key and spline design for shaft-hub connectionsindicativeGuide
- Engineering guide to interference fit design for shaft-hub connectionsindicativeGuide
- Engineering guide to pin and clevis joint designindicativeGuide
Materials
Grades, properties, and material behavior
- How Engineers Select and Compare MaterialsindicativeGuide
- How Engineers Analyse Composite LaminatesindicativeGuide
- How Engineers Evaluate Temperature-Dependent PropertiesindicativeGuide
- Fatigue Life Assessment — S-N Curves, Goodman & Marin Factors GuideindicativeGuide
- How Engineers Account for Corrosion in DesignindicativeGuide
Pressure Systems
Pipes, vessels, and pressure components
- Pipe Stress Analysis — Hoop Stress, Thermal Loads & B31.3 Screening GuideindicativeGuide
- Pressure Vessel Design — Hoop Stress, ASME VIII & Thick-Wall Analysis GuideindicativeGuide
- Engineering guide to hydraulic cylinder design and rod buckling analysisindicativeGuide
- Engineering guide to heat exchanger thermal design and sizingindicativeGuide
Dynamics & Vibrations
Motion, vibration, and dynamic systems
- Engineering guide to vibration analysis and resonance avoidanceindicativeGuide
- Engineering guide to rotational dynamics and motor sizing analysisindicativeGuide
- Engineering guide to electric motor sizing and selectionindicativeGuide
- Engineering guide to impact and shock load analysisindicativeGuide
- Engineering guide to vehicle suspension roll and lateral load transferindicativeGuide
Manufacturing
Tolerance analysis and fit systems
Advanced Systems
Cryogenic, vacuum, electromagnetic and emerging engineering systems
- How Engineers Size Vacuum SystemsindicativeGuide
- How Engineers Design Cryogenic SystemsindicativeGuide
- How Engineers Design Electromagnetic CoilsindicativeGuide
- How Engineers Screen Superconducting Magnet SystemsindicativeGuide
- How Engineers Size Thermal Management SystemsindicativeGuide
- How Engineers Size Battery & EV SystemsindicativeGuide
- How Engineers Size Hydrogen Storage SystemsindicativeGuide
- How Engineers Design Precision Motion SystemsindicativeGuide
Technical Tools
Engineering unit conversion across SI and US customary systems