The Complete Mechanical Engineering Course - 12 Courses in 1

Science demystifies the laws of nature through systematic study, observation, experimentation, and evidence testing; engineers use these laws to solve problems and improve lives, yielding technology like satellites and rockets.

Follow the scientific method from asking a question about why things fall to research, hypothesis, experimentation and analysis, conclusions and communication, building theories and, with time, laws of nature.

Explore engineering disciplines from mechanical and civil to electrical, chemical, and mechatronics, and how energy, motion, and robots drive human solutions.

Identify and solve problems involving energy and motion by designing mechanisms to start, control, or stop motion, store and convert energy, and generate power from wind and hydel energy.

Develop essential soft skills—problem solving, communication, teamwork, critical thinking, and adaptability—alongside technical skills in CAD, FEA, CFD, and programming (Python or MATLAB) using tools like SolidWorks and Ansys.

Explore mechanics as the physics of force, motion, and mass, focusing on statics, equilibrium, and how forces affect objects at rest or with uniform motion.

Define physical quantities as measurable numbers with units. Focus on base quantities like length, mass, time, and temperature, and on derived quantities such as velocity and force.

Ensure equilibrium by making the sum of all forces and the sum of all moments zero, and distinguish moment from torque in static problems.

Master free body diagrams to isolate a body as a point, sketch weight, friction, and normal forces, and analyze complex gears and belts efficiently.

Explore how friction resists motion between contacting surfaces, including dry, fluid, and internal friction, with static and kinetic regimes governed by mu_s and mu_k.

Study Newton's three laws of motion, from inertia and equilibrium to unbalanced forces causing acceleration, and f equals ma, the equal-and-opposite action-reaction forces between bodies.

Explains the universal law of gravitation: two masses attract with a force proportional to their mass product and inversely to the distance squared, introducing G, g, and weight.

Explore kinematics: describe rectilinear, curvilinear, and angular motion with distance, displacement, speed, velocity, acceleration, and angular velocity omega.

Analyze how unbalanced forces drive changes in motion by applying f equals ma and torques in rotation, with torque equals I alpha and moment of inertia.

Study projectile motion under gravity and its curved paths from launch to impact. Learn initial velocity, angle, horizontal and vertical components, and range, height, and time formulas.

Explore work and energy in engineering mechanics, including how force and distance transfer energy, and compare kinetic and gravitational potential energy, with formulas W=F·d, KE=1/2 m v^2, PE=m g h.

Learn to analyze momentum as mv, relate force to the time rate of change of momentum, and apply impulse and momentum conservation to elastic and inelastic collisions.

Explore material science and materials engineering, and how material structure determines properties. Learn to tailor structures for mechanical, electrical, thermal, and optical properties, with cantilever beam design as an example.

Explore the mechanical properties of materials through tensile testing, learning about stress–strain behavior, elastic limit, yield and ultimate strengths, and properties like ductility, brittleness, malleability, hardness, toughness, elasticity, and plasticity.

Explore solid engineering materials: metals with metallic bonding, polymers with covalent chain structures and monomers, ceramics as mixtures, then see how composites combine properties.

Learn about metals, their metallic bonding and properties such as conductivity, reflectivity, ductility, malleability, and high tensile strength, with examples like iron, aluminum, copper, gold, silver, brass, and steel.

Explore polymers, their covalent chain structures, low melting points, and molding processes across natural, semi-synthetic, and synthetic varieties to create diverse products.

Explore ceramics, non-metallic inorganic compounds hardened by heat, from traditional bricks and porcelain to advanced ceramics like zirconia and silicon carbide used in aerospace and medicine.

Learn how composites combine matrix and reinforcement to tailor properties, from polymer, metal, and ceramic matrices to natural materials like wood and bone, with reinforced concrete.

Understand stress as the reaction force per unit area, denoted by sigma, and how it causes strain and forms normal and shear stresses, including tensile and compressive cases.

Learn how Cartesian components of stress resolve into normal stresses sigma_xx, sigma_yy, sigma_zz and shear stresses tau_xy, tau_yx, tau_xz, tau_yz, in a 3D stress matrix and plane-stress cases.

Explore Poisson's ratio and Hooke's law, linking longitudinal stress to axial and transverse strains through Poisson's ratio and Young's modulus, in two-dimensional and three-dimensional stress scenarios.

Explore stress transformation to analyze stresses at different angles, and use Mohr circle to determine principal stresses, principal angles, and maximum shear stresses.

This lecture explains torsion in a circular rod, defines angle of twist theta, and derives shear stress tau = T rho / J and the twist relation theta = TL/(GJ).

Explore static failure in mechanical parts, comparing ductile and brittle failures, and applying maximum shear stress, distortion energy (von Mises), and maximum normal stress theories to predict and avoid failure.

Predict fatigue failure under dynamic loading by using fatigue testing to chart S-N curves, showing how ultimate strength decreases with revolutions and endurance limits define infinite life regions.

Explore how dynamic loading causes fatigue and learn to quantify fluctuating stresses using mid-range and alternating stress concepts, including sigma max, sigma min, and amplitude.

Define fluid mechanics and its subfields, fluid statics and fluid dynamics, and describe how fluids deform under shear stress, including the no-slip condition and pipe flow.

Explore fluid properties such as density, viscosity, pressure, compressibility, surface tension, capillarity, specific gravity, and specific weight, including Newton's law of viscosity and Newtonian versus non-Newtonian fluids.

Explore fluid statics, or hydrostatics, and master how hydrostatic pressure, Pascal's law, and buoyancy govern forces on submerged and floating bodies.

Explore fluid dynamics and the continuity equation, showing how volume flow rate equals cross-sectional area times velocity and remains constant from inlet to outlet, illustrating mass conservation.

Learn how Bernoulli's equation expresses energy conservation in fluid flow by balancing pressure energy, kinetic energy, and potential energy per unit volume from inlet to outlet.

Explore laminar and turbulent flow, use Reynolds number to classify regimes, and compare smooth parallel layers with chaotic eddies and transitional flow.

Explore how Reynolds, Froude, Mach, Prandtl, Nusselt, and Weber numbers describe flow regimes—laminar and turbulent—heat transfer, and surface tension in fluid systems.

Study internal flow through a pipe, with laminar, turbulent, and transitional regimes. Apply continuity and Bernoulli to pressure drops from gravity and friction, using Darcy-Weisbach and Darcy friction factor.

Study open channel flow and the drag and lift forces on objects. Learn how drag and lift coefficients, cd and cl, depend on shape, Reynolds number, and surface roughness.

Turbines convert fluid energy into mechanical energy, while pumps convert mechanical energy into fluid energy; classify turbines by fluid medium and conversion method (impulse vs reaction) and by flow direction.

Explore thermodynamics as the study of heat transfer between hot and cold bodies, and how thermodynamic processes and cycles convert energy to and from mechanical work.

Master thermodynamic system concepts, including surroundings and boundaries, and distinguish control mass from control volume during heat transfer. Define state variables like temperature and pressure, and intensive vs extensive properties.

Define pure substance and phase boundaries, explain phase diagrams and the vapor dome, and introduce latent heat of fusion and evaporation, boiling points, saturation temperatures, and the quality x.

Explore gas laws: Boyle's law links pressure and volume at temperature, Charles's law links volume to temperature at pressure, and Gay-Lussac's law links pressure and temperature.

Explore heat and work in thermodynamics, introduce q and w, and present pdv as the work term in gas piston systems, illustrating the first law.

Discover the second law of thermodynamics by examining heat engines and refrigerators, their efficiency limits, and the Kelvin-Planck and Clausius statements guiding energy conversion and heat transfer.

The Carnot engine defines the maximum theoretical thermal efficiency between high and low temperatures. A reversible four-step cycle uses isothermal and adiabatic processes, with efficiency (q_h−q_l)/q_h.

Entropy measures the spreading out of energy and increased disorder; energy disperses from a concentrated heat source to losses, making recovery difficult, with ds = dq/dt illustrating rate.

Explore thermodynamic tables, including steam tables for water, which provide experimental data on specific volume, entropy, and enthalpy across saturated, subcooled, and superheated regions within the vapor dome.

Study thermodynamic cycles, including two power cycles for power plants and a refrigeration cycle for cooling, where thermal energy converts to mechanical energy or moves heat with external work.

Examine the Rankine cycle, a phase-change steam power cycle with a boiler, turbine, condenser, and pump, and how reheat and a feedwater heater boost efficiency.

Explore the Brayton cycle as an open cycle with air as the working fluid, detailing compression, combustion, turbine work, and exhaust, plus regeneration for efficiency.

learn how the vapor compression cycle drives refrigeration by transferring heat from low to high temperature regions, and how the coefficient of performance relates heat removed to compressor work.

Analyze heat transfer by exploring the three modes: conduction, convection, and radiation, while examining heat exchangers and the factors determining rate and efficiency of transfer.

Explore conduction, the transfer of heat in solids, and Fourier's law linking heat transfer to area, temperature difference, and length. Understand thermal conductivity and heat flux per unit area.

Transfers heat in bulk via fluid motion over a surface, encompassing free and forced convection and quantified by Newton's law of cooling as q = hA (Ts − T∞).

Explore how radiation transfers energy as electromagnetic waves from any matter at nonzero temperature, governed by the Stefan-Boltzmann law and modified by emissivity, with concepts of blackbody vs real surfaces.

Learn to analyze heat transfer with thermal resistance, covering conduction with r = l/(k a), convection with r = 1/(h a), radiation ignored, and apply equivalent resistance for walls.

Heat exchangers transfer heat between fluids separated by a wall, as in boilers and condensers. They use shell-and-tube or concentric designs with parallel, counterflow, or cross-flow arrangements, preventing mixing.