1. Simulation of Infectious Diseases Using Agent-Based Versus System Dynamics Models
Omar Alam

2. Problem definition People contract diseases.
Infected people can can infect healthy people.
How to study this infection dynamics?

3. Problem definition People contract diseases.
Infected people can can infect healthy people.
How to study this infection dynamics?
Simulation of infection models

4. Solution!
AB: Statecharts FSD using CBD

5. Epidemic models
Source: Deterministic Modeling of Infectious Diseases: Theory and Models. Trottier et al.

6. SIR model
Source: Deterministic Modeling of Infectious Diseases: Theory and Models. Trottier et al.

7. SIR model
Kermack-Mckendric model Used to study plaque in London ( ), and Bombay in Cholera in London 1865

8. SIR model
Source:

9. SIR model Beta: infection rate Alpha: infection period
Source:

10. SIR model

11. SIR model Initial population SM1 SM2 SN S Initial infected I IA IN
Infection rate RM
Recovery rate R

12. SIR model
Population: 1000, Initial infection 4, Infection period: 3, infection rate 0.2

13. A statechart for each individual
Statecharts approach
A statechart for each individual
Multiple statecharts
Enable moving

14. Statecharts approach: architecture

15. Statecharts approach: architecture
Controller

16. Statecharts approach: architecture
Creates, initializes, and changes status
Controller

17. Statecharts approach: architecture
Creates, initializes, and changes status
Controller
Updates location

18. Statecharts approach: results
recovered
susceptible
infected
Population: 1000, initial infection 4, infection period 3

19. Statecharts approach: results
Population: 500, initial infection 2, infection period 3