Engineering Simulators
Interactive Tools for
Engineering Analysis
Explore thermodynamics, fluid mechanics, structures, and electrical engineering through interactive simulations. Free to use, no account required, runs entirely in your browser.
Featured Simulators
View all →Mohr's Circle
Compute principal stresses, maximum shear stress, and stress tensor transformations interactively.
Static Beam
Analyze simply supported beams: shear force diagrams, bending moment diagrams, and support reactions.
Gaseous Combustion
Stoichiometric simulator for pure gaseous fuels and hydrocarbon mixtures with excess air analysis.
Built for Engineering Students & Professionals
EngSim is an engineering-focused platform providing interactive simulators and calculation tools. Every tool runs entirely in your browser — no installation, no backend, no data collection.
Completely Free
No subscription, no paid tier, no hidden limits. Every simulator is free forever.
Browser-Based
All simulations run locally in your browser. No installation needed on any device.
No Account Required
Access all tools immediately. No registration, no login, no email needed.
Engineering-Focused
Tools built for technical analysis, learning, and conceptual exploration.