Peter's Physics Pages

Physics for Civil Engineering

This is an introduction to Electricity, Strength of Materials and Waves.

Course Content

 Syllabus Greek alphabet Synopsis The SI Unit System Lecture 1 • Electric Charge, Current and Potential Difference • Microscopic picture of current in a wire • Conductors, Conductance and Conductivity • Resistors, Resistance and Resistivity • Conductors, Insulators and Semiconductors • Temperature coefficient of resistivity • Heating effect of current Current, Potential and Resistance Lecture 2 • Circuit Elements and Electric Circuits • Electromotive force • Resistors connected in series • Resistors connected in parallel • Series/parallel substitution of resistors in circuits • Internal Resistance of an electric cell • Maximum power transfer theorem Electrical Circuits Lecture 3 • Simple circuits are reduced to a single equivalent resistor by series and parallel substitution, • Kirchhoff's rules for finding currents and potential differences in networks are demonstrated. Simple Electrical Circuits and Networks Lecture 4 • the capacitance of two conducting surfaces • the effect of dielectrics (insulators) between the capacitor plates • the series and parallel combination of capacitors • the energy stored in a capacitor Capacitors Lecture 5 • Solids, Fluids, Plastics & Plasmas • Two techniques of calculation with fluids • Four concepts of fluid flow • Streamlines • Equation of continuity • Bernoulli's equation • Fluid statics Fluids: Flowing and Static Lecture 6 • Archimedes' achievements & death • Hiero's crown • Archimedes' principle Archimedes Lecture 7 • Planar Laminar flow • Laminar flow of a fluid in a tube • Newton's law of Viscosity • Viscosity at the Atomic Level • Viscosity and Temperature • Viscosity and Time • Terminal Velocity • Stokes' Law and Terminal Speeds • Poiseuille's Law and Laminar flow in a tube • Reynold's number and Turbulent flow Viscosity Lecture 8 • surface energy is defined, • the effects of temperature and contaminants on the surface is discussed, • methods of measuring surface energy in solids & surface tension in liquids, • the angle of contact between liquids and solids is defined, • capillary action is seen as a surface tension effect, • size of bubbles is seen as a balance between excess pressure & surface tension, • Laplace's law, for cylinders of fluid. Surface Tension and Surface Energy Lecture 9 • Negative Potential Energy • Potential Energy and Force • The Lenard-Jones Potential Energy Function • Equilibrium Separation • Maximum Binding Energy • The Electron Volt Interatomic Potential Function Lecture 10 • The Classification of Chemical Bonds • The Periodic Table with Electron Configurations • Ionic Bonds • Covalent Bonds • Metallic Bonds • Electric Dipoles • Hydrogen Bonds • Van der Waals Bonds Types of Chemical Bonds Lecture 11 • Crystal Structures • Body Centred Cubic Unit Cell • Face Centred Cubic Unit Cell • Hexagonal Close Packed Unit Cell • Diamond structure Unit Cell • Simple Cubic structure • Packing Density in the Unit Cell (FCC and BCC) • Ionic, Covalent and Metallic Crystals • Intermediate Bond types • Amorphous Solids • Polymers Microstructures: crystalline and amorphous Lecture 12 • Brittle solids and the critical distance for breaking a bond are introduced, • the homogeneous separation and microcrack models of brittle failure are compared, • Plastic solids are introduced, • the homogeneous shear and dislocation models of plastic failure are compared. Brittle and Plastic Failure Lecture 13 • Oscillations and Vibrations • Simple Harmonic Motion • Damped Simple Harmonic Motion • Forced Oscillations • Vibrations inside built structures • Vibrations coming from outside built structures • Positive and Negative Damping Oscillations and Waves Lecture 14 • Wave motion as an energy transfer • Types of waves • Basic Basic Wave Parameters • Representing Moving Shapes • Transverse Sinusoidal Waves • The Intensity, Impedance and Pressure Amplitude of a Wave • Intensity Level and decibel scale • Hearing Loss • The Fletcher-Munson Curves and the Phon • Pitch Waves, Wave Equation and Intensity Poiseuille's equation Derivation email Write me a note if you found this useful

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