Bio-physical and molecular basisModule physics
Academic Year 2023/2024 - Teacher: Giuseppe POLITIExpected Learning Outcomes
The aim of the course is providing the basic concepts of physics with particular attention to dynamics of rigid body and fluid and to applications to medicine.
Course Structure
Classes on theoretical parts, examples and exercises
Should the circumstances require online teaching, appropriate modifications to what is hereby stated may be introduced, in order to achieve the main objectives of the course.
Required Prerequisites
Attendance of Lessons
Detailed Course Content
Physical quantities. Measurement units. Dimensinal equations. Vectors. Cinematical quantities. Circular motion.
Mass and force. Principles of dynamics. Forces. Weight. Friction. Elastic force.
Work, power, energy. Kinetic energy. Conservative force. Potential energy. Energy conservation.
Rigid body. Torque. rotational motion. Inertial momentum. Static equilibrium. Lever. Application to human physiology.
Stress and deformations. Elastic and plastic behavior. yeld strenght. Application to bones.
Fluid. density and pression. Pascal's principle. Stevino's law. Archimede's principles.
Fluidodynamics. Flow and continuity equation. Bernoulli's theorem. Application to human pathologies.
Real fluids. Viscosity and Poiseuille's law. Blood properties. Cardiac activity, sphygmomanometry.
Temperature measurement. thermic dilatation. Heat and thermodynamic work. First principle of thermodynamics. Phase changes. Heat transmission.
Textbook Information
P. Davidovits - Physics in Biology and Medicine - Reference
Course Planning
| Subjects | Text References | |
|---|---|---|
| 1 | Grandezze fisiche. Unità di misura. Equazioni dimensionali. Rappresentazioni grafiche. Vettori. Moto rettilineo. Velocità e accelerazione. Moto in due dimensioni. Moto circolare. Principi della dinamica. Forza. Massa e densità. | |
| 2 | Tipi di forze. Forza peso. Forza elastica. Reazioni vincolari. Forza di attrito statico e dinamico. Lavoro. Potenza. Energia cinetica. Forze conservative. Energia potenziale. Conservazione dell’Energia Meccanica. | |
| 3 | Corpo rigido. Moto rotatorio. Momento di una forza. Equilibrio meccanico. Leve di vario tipo. Statica fisiologica. Leve del corpo umano. Valutazioni Biomeccaniche con esempi quantitativi. | |
| 4 | Elasticità e legge di Hook. Plasticità, snervamento e carico di rottura. Moduli di deformazione. Curve di carico per elementi ossei. Fratture. | |
| 5 | Dinamica dei liquidi. Portata. Equazione di continuità. Teorema di Bernoulli. Effetto Venturi. | |
| 6 | Liquidi reali. Regime laminare. Viscosità. Relazione di Poiseuille. Regime turbolento. Sistema circolatorio. Pressione e velocità del sangue. Sfigmomanometria. Applicazioni alle patologie dei vasi sanguigni: aneurisma e stenosi. Resistenza dei vasi. Pompa e ciclo cardiaco. | |
| 7 | Termodinamica. Temperatura e calore. Dilatazione termica. Scale termometriche. Capacità termica e calori specifici. Calore e Lavoro. Passaggi di stato. Trasmissione del calore. Metabolismo. |
Learning Assessment
Learning Assessment Procedures
Oral exams on all the studied subjects.
Elements to be evaluated: relevance of the answers, quality of their contents, ability to connect with other topics within the program, ability to report examples, quality of technical language, and overall expressive ability.
To guarantee equal opportunities and in compliance with current laws, students can request a meeting in order to plan any compensatory and/or dispensatory measure, according to the educational goals and specific needs. In this case, it is advisable to contact the CInAP (Centre for Active and Participated Integration - Services for Disabilities and/or SLD) professor of the Department where the Degree Course is included
Exam dats on SMART-EDU.
Examples of frequently asked questions and / or exercises
Non exhaustive list of possible questions:
Energy conservation law
Dynamics laws
Friction
Bernoulli Theorem and applications in human body
Elasticity laws
Equilibrium
Lever and applications in human body
Heat propagation