SIR_ABM

SIR_ABM preview image

1 collaborator

Default-person Asjad Naqvi (Author)

Tags

Visible to everyone | Changeable by the author
Model was written in NetLogo 6.1.1 • Viewed 196 times • Downloaded 18 times • Run 0 times
Download the 'SIR_ABM' modelDownload this modelEmbed this model

Do you have questions or comments about this model? Ask them here! (You'll first need to log in.)


Comments and Questions

Please start the discussion about this model! (You'll first need to log in.)

Click to Run Model

undirected-link-breed [ sdist-links sdist-link ]    ;; social distance link
undirected-link-breed [ halo-links  halo-link ]     ;; halo link
directed-link-breed   [ infect-links infect-link ]  ;; infection link

breed [ peoples people ]
breed [ circles circle ]
breed [ halos halo ]

peoples-own
  [
    infected?            ;; if infected?
    tested?              ;; if tested for corona
    sick?                ;; if sick.
    known?               ;; knows if has corona virus: true = tested positive, sick
    sicktime             ;; how long, in weeks, the turtle has been infectious
    recovered?           ;; if recovered
    dead?                ;; if dead
    age                   ;; how many weeks old the turtle is
    ]


globals
[
  infection-radius2
  cumulative
]


links-own [ ]


;; The setup is divided into four procedures

to setup
  clear-all
 ; ifelse fix-seed? [random-seed 30281][random-seed new-seed]
  set infection-radius2 3 ;infection-radius + 2

  setup-people
  update-colors
  reset-ticks
end 

to setup-people

  create-peoples number-people
    [ setxy random-xcor random-ycor ;random-xcor * 0.9 random-ycor * 0.9
      set color green
      set shape "person"
      set size 1
      set infected? false
      set sick? false
      set recovered? false
  ]
end 

to setup-network
  ask peoples [
    create-sdist-links-with other peoples in-radius infection-radius2 [
      set hidden? true
    ]
    ]
end 

to go
  move
  infect
  update-colors
  update-global

  if ticks = 300 [ stop ]

  if allow-social-distance? [ flex ]

  tick
end 

to flex

  ask sdist-links with [link-length > infection-radius2] [die]

  ask peoples with [color = red]
  [
    create-sdist-links-with other peoples in-radius infection-radius2
    [
     set hidden? true
    ]

  let temp peoples in-radius infection-radius2
    if count temp > 1 [layout-spring temp sdist-links 0.2 (infection-radius2 + 2) 0.2]
  ]
end 

to move
ask peoples [
  rt random 30
  lt random 30
  fd 0.1
  ]
end 

to infect
;  if ticks = 50 [
;  ask one-of turtles with [infected? = false and recovered? = false]
;  [
;    set infected? true
;  ]
;  ]


  ask infect-links [ die ]

  ask peoples with [ infected? = true]
    [
      set sicktime sicktime + 1

      if sicktime >= (14) [
        set recovered? true
        set infected? false
        ask halos-here [ die ]
      ]


      let whome who
      ask other peoples with [infected? = false and recovered? = false] in-radius infection-radius2
      [
       if random 100 < 5
       [
          create-infect-link-from myself
          [
            set color orange
          ]
          set infected? true
        ]
      ]
    ]
end 

to update-colors
  ask peoples
  [
    if infected? =  true [set color red]
    if recovered? = true [set color gray]
  ]
end 

to update-global
  set cumulative max list cumulative (count peoples with [infected? = true])
end 

There are 8 versions of this model.

Uploaded by When Description Download
Asjad Naqvi almost 4 years ago asds Download this version
Asjad Naqvi almost 4 years ago aaaa Download this version
Asjad Naqvi almost 4 years ago updated Download this version
Asjad Naqvi almost 4 years ago new version Download this version
Asjad Naqvi almost 4 years ago aaaaa Download this version
Asjad Naqvi almost 4 years ago SIR Download this version
Asjad Naqvi almost 4 years ago layout updated Download this version
Asjad Naqvi almost 4 years ago Initial upload Download this version

Attached files

File Type Description Last updated
SIR_ABM.png preview Preview for 'SIR_ABM' almost 4 years ago, by Asjad Naqvi Download

This model does not have any ancestors.

This model does not have any descendants.