Ophthalmologists Practice Simulator
Final Project Report
DSES 6620 Discrete Event Simulation
Chris Greco
12/19/2002
Table of Contents
Table of Contents…………………………………………………………………..………………..2
I.
II.
III.
IV.
V.
VI.
Project Objectives and Process
Description……………………………………………………………….………………3
Data Collection and
Analysis…………………………………………………………………………….…….4
System Model……………………………………………………………………………5
Results……………………………………………………………………………………7
Validation……………………………………………………………………………....13
Conclusion………………………………………………………………………..…….13
Appendix A - Office Monthly Data
Collection………………………………………………………….…………….….…….……...….14
Appendix B - ProModel Iteration Input and Output Files………………………….…..………15
2
I. Project Objectives and Process Description
Project Selection:
The topic for the project under consideration is to model the daily process of an
Ophthalmologist (eye surgeon) practice. The process will be based on an actual
Ophthalmologists practice located in Middletown, CT. Refer to the sketch included with
this document describing the iterative nature of this simulation.
Process Description:
Patients enter the doctors’ office and sign in with the receptionist at the front desk prior to
seating themselves in the waiting room. Patients are called and escorted in by the prescreening technician to the pre-screening room. After the pre-screening is complete the
patient moves to one of three exam rooms and waits for the doctor to arrive. After the
doctor’s visit the patient can be prescribed glasses or contact lenses. This will require
either a visit on the same day or schedule to appear another day with the Optician in the
optical shop. From there the patient returns to the receptionist desk they initially checked
in. Follow up appointments with the doctor or optical shop visit are scheduled along with
making payments prior to exiting the office.
Patient
Receptionist
Desk
Sign In/Sign
Out
Waiting
Room
Doctor’s Exam
Room
PreScreening
Room
Optical
Shop
Y
Corrective
Lenses
Required?
N
Figure 1
Objective:
The objective of the project is to use ProModel to build a model and simulate the weekly
office process described above. The office staff believes current resources are inadequate
and might cause a loss of current patients. Therefore, to aid the staff in decisions
regarding office expenditure the output of the model will help determine:
- Is there a need for an additional doctor to be employed full time?
- Is there a need for an additional Optician to be employed full time?
- Identify metrics of the office process that require optimizing.
3
II. Data Collection and Analysis
Data Collection:
The key metrics to be analyzed during the actual working process of the office are:
 Patient output
 Patients average interarrival time
 Doctor’s average service time
 Average prescreening time
 Average optical shop service time
 Average receptionist service time
 Average waiting room time
The metrics above would be categorized under structural and numerical system data. The
structural data contains patient (entity) times and office resources. Numerical contains
interarrival time, activity time and work day/week duration.
Successful data collection was performed by the individual staff person working a
particular operation and then complied by the office manager. The data was averaged
final compilation for 1 month/20 work days is given in appendix A. Utilizing the Stat:Fit
program the following distributions were established for each metric:
Data Analysis:
Patient output
Triangular (7,31.5,24.1)
Patients average interarrival time
Triangular (7,21.2,9.13)
Doctor’s average service time
Triangular (19,43.3,25.1)
Average prescreening time
Lognormal (5,2.01,0.289)
Average optical shop service time
Triangular (21.6, 50, 50)
Average receptionist service time
Triangular (4, 11.6, 4.76)
Average waiting room time
Weibull (10, 2.12, 10.5)
This data reflects the initial system consisting of single personnel (doctor, prescreening
technician, optician and receptionist) working single shift 8 hour days. In addition to
above, move times between each step of the process ranged from 0.10 to 0.15 minutes
that have been defined in the proceeding model layouts.
Considering the type of business, such as medical service, the numbers of daily
occurrences have been predetermined for the models to be described herein. Patients are
allowed to attend the practice by appointment only. For this analysis no emergency or
other type of walk in patients will be assumed into the modeling.
4
III. System Model
Knowing what the objectives are and the current office configuration two (2) modeling
conditions are established:
A. One Doctor Analysis for Min and Max Patient Attendance
B. Two Doctor Analysis for Min and Max Patient Attendance
 Includes model with Two Opticians at Max Patient Attendance
Appendix B contains the ProModel iteration input and output files for conditions A and
B. Please refer for further details not discussed in the proceeding.
A. One Doctor Analysis for Min and Max Patient Attendance
Prescreening
Doctor’s Office
Waiting Room
Entrance
Receptionist
Optical Shop
Figure 2
This model represents the current office layout where there are single personnel at each
station. There are two entities: Normal Patients – who require no corrective eye ware and
Abnormal Patients – who do require a vision correction. All locations are currently set
up for single capacity with exception to the waiting room which is set for 15 chairs. The
entrance is just a doorway which has no capacity limit and is set to infinity.
Based on performing iterations of the above model parameters the best selected minimum
patient attendance was 16 patients in one work day. This is typical for a normal day at the
office. Anything less would not justify an 8 hour work day. The maximum patient
attendance used is 30 in an 8 hour work day.
5
B. Two Doctor Analysis for Min and Max Patient Attendance
 Includes model with Two Opticians Only with Max Patient Attendance
Prescreening
Waiting Room
Two Doctor’s
Entrance
Receptionist
Optical Shop
Figure 3
As above the entities are identical. What differs in this iteration is how throughput time
and total patient exits change as we increase the office staff. The two services used to
simulate the staff increase are doctor and optician because actual office data shows they
have the longest service time. The capacities are modeled as mentioned for the previous
condition except for adding the second doctor and optician to the model. The second
optician was used only for the busy days (max) likewise as the actual practice does.
Once again this is also based on an 8 hour work day using 16 to 22 patients attending the
office.
6
IV. Results
A. One Doctor Analysis for Min and Max Patient Attendance
To assist the office resource decision making process, the entities are the most important
consideration for the study.
Charts for Max Patient Conditions
Figure 4
Figure 5
7
Figure 6
Figure 7
Charts for Min Patient Conditions
Figure 8
8
Figure 9
Figure 10
Figure 11
9
B. Two Doctor Analysis for Min and Max Patient Attendance
 Max Patient Attendance modeled with Two Opticians
Charts for Max Patient Conditions
Figure 12
Figure 13
10
Figure 14
Figure 15
Charts for Min Patient Conditions
Figure 16
11
Figure 17
Figure 18
Figure 19
12
V. Validation
Validation for a project such as the example within this report is done qualitatively as
well as quantitatively. By using the minimum and maximum number of patients to arrive
at the office offers a wide range to analyze. However, the range of patients analyzed
shows that ProModel was successful in completing all entities through the system.
For the current office configuration, when the maximum number of patients are booked
for a day the office always backups and runs late. As the ProModel output also shows all
but two entities fail to exit the system. A possible bottlenecking may be occurring in the
waiting room. Both patient output calculate average minutes in operation between 45
minutes for normal patients and up to 2 hours for abnormal patients. Actual office data
was recorded on the low side. For record keeping purposes, high service times may not
always be recorded to avoid medical insurance issues. The office staff agrees it’s not
unusual to have nearly 2 hours in the system.
The case of employing two doctors and two opticians is totally speculative and therefore
actual data to backup the validation does not exist currently. The ProModel results
demonstrate all entities can exit the system less than 8.0 hours. However, operation times
do not decrease significant enough to justify paying additional employees.
VI. Conclusion
A recommendation would be to increase the capacity of the waiting room and avoid
patients standing in the hallways. ProModel appears to have too much time lost at the
waiting location and thus affecting following locations.
A cost justification/analysis would be requiring to further investigate employee another
doctor for the small amount of benefit ProModel provided. As goes with the second
Optician, the salary and compensation is significantly different from an Ophthalmologist
but the process does not seem to improve unless other locations improve in parallel.
13
Appendix A: Office Monthly Data Collection
Doctor's Patient Attendance - Middletown Office
All Times Given in Minutes
Work Week No.
1
Monday
Tueday
Wednesday
Thursday
Friday
2
Monday
Tueday
Wednesday
Thursday
Friday
3
Monday
Tueday
Wednesday
Thursday
Friday
4
Monday
Tueday
Wednesday
Thursday
Friday
Patients Average
Interarrival Time
Doctor's Average Ave. Prescreening Ave. Optical Ave. Receptionist
Service Time
Service Time
Shop Time
Service Time
Ave.
Waiting
Room
Time
Work Day Number
Patient Output
1
2
3
4
5
Weekly Total
11
16
18
23
25
93
15
12
10
15
10
40
30
30
35
35
15
15
15
12
12
50
50
50
45
45
10
5
8
5
5
30
20
20
20
20
6
7
8
9
10
Weekly Total
24
25
26
27
30
132
10
10
10
10
8
25
25
25
25
20
10
10
10
5
5
35
35
35
30
30
8
8
8
5
5
15
15
15
15
10
11
12
13
14
15
Weekly Total
26
23
25
20
18
112
10
12
10
11
15
20
25
25
25
30
10
10
12
15
15
30
30
30
30
45
8
5
5
5
10
15
15
15
15
20
16
17
18
19
20
Weekly Total
17
15
16
11
8
67
12
15
15
15
20
30
35
30
30
40
12
12
15
15
15
45
45
45
45
50
8
8
8
5
10
20
20
20
25
30
Monthly Total for Sept.02
Weekly Average
404
101
14
Appendix B – ProModel Iteration Input and Output Files
One Doctor Input – Min Patient Attendance
********************************************************************************
*
*
*
Formatted Listing of Model:
*
*
A:\DES\Project\Draft Report\one doctor analysis\Project_one_dr_min.MOD
*
*
*
********************************************************************************
Time Units:
Distance Units:
Minutes
Feet
********************************************************************************
*
Locations
*
********************************************************************************
Name
-----------------------------Enter
Receptionist_Desk_Sign_In_Sign
Waiting_Room
PreScreening_Room
Dr.Exam_Room_1
Optical_Shop
Cap
--inf
1
15
1
1
1
Units
----1
1
1
1
1
1
Stats
----------Time Series
Time Series
Time Series
Time Series
Time Series
Time Series
Rules
Cost
--------------- -----------Oldest, ,
Oldest, , First
Oldest, ,
Oldest, ,
Oldest, ,
Oldest, ,
********************************************************************************
*
Entities
*
********************************************************************************
Name
----------------Ab_Normal_Patient
Normal_Patient
Speed (fpm)
-----------150
150
Stats
Cost
----------- -----------Time Series
Time Series
********************************************************************************
*
Processing
*
********************************************************************************
Process
Entity
----------------ALL
ALL
Location
Operation
------------------------------ -----------------Enter
Receptionist_Desk_Sign_In_Sign wait t(4,4.76,11.6)
ALL
Waiting_Room
ALL
ALL
PreScreening_Room
Dr.Exam_Room_1
Ab_Normal_Patient Optical_Shop
Routing
Blk Output
Destination
Rule
---- ----------------- ------------------------------ ---------1
ALL
Receptionist_Desk_Sign_In_Sign FIRST 1
Move Logic
-----------move for .10 min
1
ALL
Waiting_Room
FIRST 1
move for .10 min
1
ALL
PreScreening_Room
FIRST 1
move for .25 min
1
ALL
Dr.Exam_Room_1
1.000000 1
move for 0.20 min
1
Ab_Normal_Patient Optical_Shop
0.600000 1
Normal_Patient
Receptionist_Desk_Sign_In_Sign 0.400000
move for 0.20 min
move for 0.22 min
1
Ab_Normal_Patient Receptionist_Desk_Sign_In_Sign FIRST 1
move for .15 min
1
Ab_Normal_Patient EXIT
1
Normal_Patient
wait w(2.12,10.5)
wait L(2.01, 0.289)
wait t(19,25.1,43.3)
wait t(21.6,50,50)
Ab_Normal_Patient Receptionist_Desk_Sign_In_Sign wait t(4,4.76,11.6)
Normal_Patient
FIRST 1
Receptionist_Desk_Sign_In_Sign wait t(4,4.76,11.6)
EXIT
FIRST 1
********************************************************************************
*
Arrivals
*
********************************************************************************
Entity
Location Qty each
First Time Occurrences Frequency
Logic
-------- -------- ---------- ---------- ----------- -------------- -----------ALL
Enter
1
0
8
t(7,9.13,21.2)
********************************************************************************
*
Attributes
*
********************************************************************************
ID
---------------Abnormal_Patient
Normal_Patients
Type
-----------Integer
Integer
Classification
-------------Location
Location
15
One Doctor Output – Min Patient Attendance
-------------------------------------------------------------------------------General Report
Output from C:\Class Work\Descrete Event Sims\Greco\Project\Draft Report\Project_one_dr.MOD [Final Project: Ophthalmologist
Practice Simulator]
Date: Dec/02/2002
Time: 07:45:25 PM
-------------------------------------------------------------------------------Scenario
: Normal Run
Replication
: 1 of 1
Simulation Time : 8 hr
-------------------------------------------------------------------------------LOCATIONS
Location
Name
---------------------------------Enter
Receptionist Desk Sign In Sign Out
Waiting Room
PreScreening Room
Dr.Exam Room 1
Optical Shop
Scheduled
Hours
--------8
8
8
8
8
8
Capacity
-------999999
1
15
1
1
1
Total
Entries
------16
30
16
16
16
8
Average
Minutes
Per Entry
---------9.737125
6.920267
170.085438
28.052813
28.638063
33.859375
Average
Contents
-------0.324571
0.432517
5.66951
0.935094
0.954602
0.564323
Maximum
Contents
-------3
1
11
1
1
1
Current
Contents
-------0
0
0
0
1
1
% Util
-----0.00
43.25
37.80
93.51
95.46
56.43
LOCATION STATES BY PERCENTAGE (Multiple Capacity)
Location
Name
-----------Enter
Waiting Room
Scheduled
Hours
--------8
8
%
Empty
----79.21
7.14
%
Partially
Occupied
--------20.79
92.86
%
Full
---0.00
0.00
|
|
|
|
|
|
%
Down
---0.00
0.00
LOCATION STATES BY PERCENTAGE (Single Capacity/Tanks)
Location
Name
---------------------------------Receptionist Desk Sign In Sign Out
PreScreening Room
Dr.Exam Room 1
Optical Shop
Scheduled
Hours
--------8
8
8
8
%
Operation
--------43.25
6.63
87.43
52.05
%
Setup
----0.00
0.00
0.00
0.00
%
Idle
----56.75
6.49
4.54
43.57
%
Waiting
------0.00
0.00
0.00
0.00
%
Blocked
------0.00
86.88
8.03
4.38
%
Down
---0.00
0.00
0.00
0.00
FAILED ARRIVALS
Entity
Name
----------------Ab Normal Patient
Normal Patient
Location
Name
-------Enter
Enter
Total
Failed
-----0
0
ENTITY ACTIVITY
Entity
Name
----------------Ab Normal Patient
Normal Patient
Total
Exits
----7
7
Current
Quantity
In System
--------2
0
Average
Minutes
In
System
---------242.059857
257.151000
Average
Minutes
In Move
Logic
-------1.000000
0.870000
Average
Minutes
Wait For
Res, etc.
--------0.000000
0.000000
Average
Minutes
In
Operation
--------88.147000
52.188857
Average
Minutes
Blocked
---------152.912857
204.092143
ENTITY STATES BY PERCENTAGE
Entity
Name
----------------Ab Normal Patient
Normal Patient
%
In Move
Logic
------0.41
0.34
%
Wait For
Res, etc.
--------0.00
0.00
%
In Operation
-----------36.42
20.30
%
Blocked
------63.17
79.37
16
One Doctor Input – Max Patient Attendance
*
*******************************************************************************
*
*
*
Formatted Listing of Model:
*
*
A:\DES\Project\Draft Report\one doctor analysis\Project_one_dr_max.MOD
*
*
*
********************************************************************************
Time Units:
Distance Units:
Minutes
Feet
********************************************************************************
*
Locations
*
********************************************************************************
Name
-----------------------------Enter
Receptionist_Desk_Sign_In_Sign
Waiting_Room
PreScreening_Room
Dr.Exam_Room_1
Optical_Shop
Cap
--inf
1
15
1
1
1
Units
----1
1
1
1
1
1
Stats
----------Time Series
Time Series
Time Series
Time Series
Time Series
Time Series
Rules
Cost
--------------- -----------Oldest, ,
Oldest, , First
Oldest, ,
Oldest, ,
Oldest, ,
Oldest, ,
********************************************************************************
*
Entities
*
********************************************************************************
Name
----------------Ab_Normal_Patient
Normal_Patient
Speed (fpm)
-----------150
150
Stats
Cost
----------- -----------Time Series
Time Series
********************************************************************************
*
Processing
*
********************************************************************************
Process
Entity
----------------ALL
ALL
Location
Operation
------------------------------ -----------------Enter
Receptionist_Desk_Sign_In_Sign wait t(4,4.76,11.6)
ALL
Waiting_Room
ALL
PreScreening_Room
ALL
Dr.Exam_Room_1
Ab_Normal_Patient Optical_Shop
Routing
Blk Output
Destination
Rule
---- ----------------- ------------------------------ ---------1
ALL
Receptionist_Desk_Sign_In_Sign FIRST 1
Move Logic
-----------move for .10 min
1
ALL
Waiting_Room
FIRST 1
move for .10 min
1
ALL
PreScreening_Room
FIRST 1
move for .25 min
1
ALL
Dr.Exam_Room_1
1.000000 1
move for 0.20 min
1
Ab_Normal_Patient Optical_Shop
0.600000 1
Normal_Patient
Receptionist_Desk_Sign_In_Sign 0.400000
move for 0.20 min
move for 0.22 min
1
Ab_Normal_Patient Receptionist_Desk_Sign_In_Sign FIRST 1
move for .15 min
1
Ab_Normal_Patient EXIT
FIRST 1
1
Normal_Patient
FIRST 1
wait w(2.12,10.5)
wait L(2.01, 0.289)
wait t(19,25.1,43.3)
wait t(21.6,50,50)
Ab_Normal_Patient Receptionist_Desk_Sign_In_Sign wait t(4,4.76,11.6)
Normal_Patient
Receptionist_Desk_Sign_In_Sign wait t(4,4.76,11.6)
EXIT
********************************************************************************
*
Arrivals
*
********************************************************************************
Entity
Location Qty each
First Time Occurrences Frequency
Logic
-------- -------- ---------- ---------- ----------- -------------- -----------ALL
Enter
1
0
15
t(7,9.13,21.2)
********************************************************************************
*
Attributes
*
********************************************************************************
ID
---------------Abnormal_Patient
Normal_Patients
Type
-----------Integer
Integer
Classification
-------------Location
Location
17
One Doctor Output – Max Patient Attendance
-------------------------------------------------------------------------------General Report
Output from C:\Class Work\Descrete Event Sims\Greco\Project\Draft Report\Project_one_dr.MOD [Final Project: Ophthalmologist
Practice Simulator]
Date: Dec/02/2002
Time: 08:03:26 PM
-------------------------------------------------------------------------------Scenario
: Normal Run
Replication
: 1 of 1
Simulation Time : 8 hr
-------------------------------------------------------------------------------LOCATIONS
Location
Name
---------------------------------Enter
Receptionist Desk Sign In Sign Out
Waiting Room
PreScreening Room
Dr.Exam Room 1
Optical Shop
Scheduled
Hours
--------8
8
8
8
8
8
Capacity
-------999999
1
15
1
1
1
Total
Entries
------30
23
20
5
4
2
Average
Minutes
Per Entry
---------107.254000
20.762174
295.071350
91.091600
115.152250
204.958000
Average
Contents
-------6.70337
0.994854
12.2946
0.948871
0.959602
0.853992
Maximum
Contents
-------9
1
15
1
1
1
Current
Contents
-------9
1
15
1
1
1
% Util
-----0.00
99.49
81.96
94.89
95.96
85.40
LOCATION STATES BY PERCENTAGE (Multiple Capacity)
Location
Name
-----------Enter
Waiting Room
Scheduled
Hours
--------8
8
%
Empty
----3.65
1.33
%
Partially
Occupied
--------96.35
31.12
%
Full
----0.00
67.55
|
|
|
|
|
|
%
Down
---0.00
0.00
LOCATION STATES BY PERCENTAGE (Single Capacity/Tanks)
Location
Name
---------------------------------Receptionist Desk Sign In Sign Out
PreScreening Room
Dr.Exam Room 1
Optical Shop
Scheduled
Hours
--------8
8
8
8
%
Operation
--------33.53
1.89
22.81
14.61
%
Setup
----0.00
0.00
0.00
0.00
%
Idle
----0.51
5.11
4.04
14.60
%
Waiting
------0.00
0.00
0.00
0.00
%
Blocked
------65.96
93.00
73.15
70.79
%
Down
---0.00
0.00
0.00
0.00
FAILED ARRIVALS
Entity
Name
----------------Ab Normal Patient
Normal Patient
Location
Name
-------Enter
Enter
Total
Failed
-----0
0
ENTITY ACTIVITY
Entity
Name
----------------Ab Normal Patient
Normal Patient
Total
Exits
----1
1
Current
Quantity
In System
--------14
14
Average
Minutes
In
System
---------100.143000
78.647000
Average
Minutes
In Move
Logic
-------1.000000
0.870000
Average
Minutes
Wait For
Res, etc.
--------0.000000
0.000000
Average
Minutes
In
Operation
--------83.052000
45.143000
Average
Minutes
Blocked
--------16.091000
32.634000
ENTITY STATES BY PERCENTAGE
Entity
Name
----------------Ab Normal Patient
Normal Patient
%
In Move
Logic
------1.00
1.11
%
Wait For
Res, etc.
--------0.00
0.00
%
In Operation
-----------82.93
57.40
%
Blocked
------16.07
41.49
18
Two doctors Input – Min patient Attendance
********************************************************************************
*
*
*
Formatted Listing of Model:
*
*
A:\DES\Project\Draft Report\Two doctor analysis\Project_two_dr_min.MOD
*
*
*
********************************************************************************
Time Units:
Distance Units:
Minutes
Feet
********************************************************************************
*
Locations
*
********************************************************************************
Name
-----------------------------Enter
Receptionist_Desk_Sign_In_Sign
Waiting_Room
PreScreening_Room
Drs.Exam_Room
Drs.Exam_Room.1
Drs.Exam_Room.2
Optical_Shop
Cap
--inf
1
15
1
1
1
1
1
Units
----1
1
1
1
2
1
1
1
Stats
----------Time Series
Time Series
Time Series
Time Series
Time Series
Time Series
Time Series
Time Series
Rules
Cost
--------------- -----------Oldest, ,
Oldest, , First
Oldest, ,
Oldest, , First
Oldest, , First
Oldest, ,
Oldest, ,
Oldest, ,
********************************************************************************
*
Entities
*
********************************************************************************
Name
----------------Ab_Normal_Patient
Normal_Patient
Speed (fpm)
-----------150
150
Stats
Cost
----------- -----------Time Series
Time Series
********************************************************************************
*
Processing
*
********************************************************************************
Process
Entity
----------------ALL
ALL
Location
Operation
------------------------------ -----------------Enter
Receptionist_Desk_Sign_In_Sign wait t(4,4.76,11.6)
ALL
Waiting_Room
ALL
PreScreening_Room
ALL
Drs.Exam_Room
Ab_Normal_Patient Optical_Shop
Routing
Blk Output
Destination
Rule
---- ----------------- ------------------------------ ---------1
ALL
Receptionist_Desk_Sign_In_Sign FIRST 1
Move Logic
-----------move for .10 min
1
ALL
Waiting_Room
FIRST 1
move for .10 min
1
ALL
PreScreening_Room
FIRST 1
move for .25 min
1
ALL
Drs.Exam_Room
1.000000 1
move for 0.20 min
1
Ab_Normal_Patient Optical_Shop
0.600000 1
Normal_Patient
Receptionist_Desk_Sign_In_Sign 0.400000
move for 0.20 min
move for 0.22 min
1
Ab_Normal_Patient Receptionist_Desk_Sign_In_Sign FIRST 1
move for .15 min
1
Ab_Normal_Patient EXIT
FIRST 1
1
Normal_Patient
FIRST 1
wait w(2.12,10.5)
wait L(2.01, 0.289)
wait t(19,25.1,43.3)
wait t(21.6,50,50)
Ab_Normal_Patient Receptionist_Desk_Sign_In_Sign wait t(4,4.76,11.6)
Normal_Patient
Receptionist_Desk_Sign_In_Sign wait t(4,4.76,11.6)
EXIT
********************************************************************************
*
Arrivals
*
********************************************************************************
Entity
Location Qty each
First Time Occurrences Frequency
Logic
-------- -------- ---------- ---------- ----------- -------------- -----------ALL
Enter
1
0
8
t(7,9.13,21.2)
********************************************************************************
*
Attributes
*
********************************************************************************
ID
---------------Abnormal_Patient
Normal_Patients
Type
-----------Integer
Integer
Classification
-------------Location
Location
19
Two doctors Output – Min patient Attendance
-------------------------------------------------------------------------------General Report
Output from A:\DES\Project\Draft Report\Project_two_dr.MOD [Final Project: Ophthalmologist Practice Simulator]
Date: Dec/02/2002
Time: 08:28:40 PM
-------------------------------------------------------------------------------Scenario
: Normal Run
Replication
: 1 of 1
Simulation Time : 6.365233333 hr
-------------------------------------------------------------------------------LOCATIONS
Location
Name
---------------------------------Enter
Receptionist Desk Sign In Sign Out
Waiting Room
PreScreening Room
Drs.Exam Room.1
Drs.Exam Room.2
Drs.Exam Room
Optical Shop
Scheduled
Hours
----------6.365233333
6.365233333
6.365233333
6.365233333
6.365233333
6.365233333
12.73046667
6.365233333
Capacity
-------999999
1
15
1
1
1
2
1
Total
Entries
------16
32
16
16
8
8
16
7
Average
Minutes
Per Entry
--------14.180813
6.569594
82.493437
16.989313
36.665375
39.338875
38.002125
42.781429
Average
Contents
-------0.594094
0.550456
3.456
0.711754
0.768034
0.824036
0.796035
0.784129
Maximum
Contents
-------4
1
8
1
1
1
2
1
Current
Contents
-------0
0
0
0
0
0
0
0
% Util
-----0.00
55.05
23.04
71.18
76.80
82.40
79.60
78.41
LOCATION STATES BY PERCENTAGE (Multiple Capacity)
Location
Name
-----------Enter
Waiting Room
Scheduled
Hours
----------6.365233333
6.365233333
%
Partially
Occupied
--------29.49
73.17
%
Empty
----70.51
26.83
%
Full
---0.00
0.00
|
|
|
|
|
|
%
Down
---0.00
0.00
LOCATION STATES BY PERCENTAGE (Single Capacity/Tanks)
Location
Name
---------------------------------Receptionist Desk Sign In Sign Out
PreScreening Room
Drs.Exam Room.1
Drs.Exam Room.2
Drs.Exam Room
Optical Shop
Scheduled
Hours
----------6.365233333
6.365233333
6.365233333
6.365233333
12.73046667
6.365233333
%
Operation
--------55.05
8.31
60.15
58.88
59.52
69.82
%
Setup
----0.00
0.00
0.00
0.00
0.00
0.00
%
Idle
----44.95
28.82
23.20
17.60
20.39
21.59
%
Waiting
------0.00
0.00
0.00
0.00
0.00
0.00
%
Blocked
------0.00
62.87
16.65
23.52
20.09
8.59
%
Down
---0.00
0.00
0.00
0.00
0.00
0.00
FAILED ARRIVALS
Entity
Name
----------------Ab Normal Patient
Normal Patient
Location
Name
-------Enter
Enter
Total
Failed
-----0
0
ENTITY ACTIVITY
Entity
Name
----------------Ab Normal Patient
Normal Patient
Total
Exits
----7
9
Current
Quantity
In System
--------0
0
Average
Minutes
In
System
---------209.716000
164.796222
Average
Minutes
In Move
Logic
-------1.000000
0.870000
Average
Minutes
Wait For
Res, etc.
--------0.000000
0.000000
Average
Minutes
In
Operation
--------95.084571
53.348444
Average
Minutes
Blocked
---------113.631429
110.577778
ENTITY STATES BY PERCENTAGE
Entity
Name
----------------Ab Normal Patient
Normal Patient
%
In Move
Logic
------0.48
0.53
%
Wait For
Res, etc.
--------0.00
0.00
%
In Operation
-----------45.34
32.37
%
Blocked
------54.18
67.10
20
Two doctors and Two Opticians Input – Max patient Attendance
********************************************************************************
*
*
*
Formatted Listing of Model:
*
* A:\DES\Project\Draft Report\Two doctor analysis\Project_two_dr_max_input.MOD *
*
*
********************************************************************************
Time Units:
Distance Units:
Minutes
Feet
********************************************************************************
*
Locations
*
********************************************************************************
Name
-----------------------------Enter
Receptionist_Desk_Sign_In_Sign
Waiting_Room
PreScreening_Room
Drs.Exam_Room
Drs.Exam_Room.1
Drs.Exam_Room.2
Optical_Shop
Optical_Shop.1
Optical_Shop.2
Cap
--inf
1
15
1
1
1
1
1
1
1
Units
----1
1
1
1
2
1
1
2
1
1
Stats
----------Time Series
Time Series
Time Series
Time Series
Time Series
Time Series
Time Series
Time Series
Time Series
Time Series
Rules
Cost
--------------- -----------Oldest, ,
Oldest, , First
Oldest, ,
Oldest, , First
Oldest, , First
Oldest, ,
Oldest, ,
Oldest, , First
Oldest, ,
Oldest, ,
********************************************************************************
*
Entities
*
********************************************************************************
Name
----------------Ab_Normal_Patient
Normal_Patient
Speed (fpm)
-----------150
150
Stats
Cost
----------- -----------Time Series
Time Series
********************************************************************************
*
Processing
*
********************************************************************************
Process
Entity
----------------ALL
ALL
Location
Operation
------------------------------ -----------------Enter
Receptionist_Desk_Sign_In_Sign wait t(4,4.76,11.6)
ALL
Waiting_Room
ALL
PreScreening_Room
ALL
Drs.Exam_Room
Ab_Normal_Patient Optical_Shop
Routing
Blk Output
Destination
Rule
---- ----------------- ------------------------------ ---------1
ALL
Receptionist_Desk_Sign_In_Sign FIRST 1
Move Logic
-----------move for .10 min
1
ALL
Waiting_Room
FIRST 1
move for .10 min
1
ALL
PreScreening_Room
FIRST 1
move for .25 min
1
ALL
Drs.Exam_Room
1.000000 1
move for 0.20 min
1
Ab_Normal_Patient Optical_Shop
0.600000 1
Normal_Patient
Receptionist_Desk_Sign_In_Sign 0.400000
move for 0.20 min
move for 0.22 min
1
Ab_Normal_Patient Receptionist_Desk_Sign_In_Sign FIRST 1
move for .15 min
1
Ab_Normal_Patient EXIT
FIRST 1
1
Normal_Patient
FIRST 1
wait w(2.12,10.5)
wait L(2.01, 0.289)
wait t(19,25.1,43.3)
wait t(21.6,50,50)
Ab_Normal_Patient Receptionist_Desk_Sign_In_Sign wait t(4,4.76,11.6)
Normal_Patient
Receptionist_Desk_Sign_In_Sign wait t(4,4.76,11.6)
EXIT
********************************************************************************
*
Arrivals
*
********************************************************************************
Entity
Location Qty each
First Time Occurrences Frequency
Logic
-------- -------- ---------- ---------- ----------- -------------- -----------ALL
Enter
1
0
11
t(7,9.13,21.2)
********************************************************************************
*
Attributes
*
********************************************************************************
ID
---------------Abnormal_Patient
Normal_Patients
Type
-----------Integer
Integer
Classification
-------------Location
Location
21
Two doctors and Two Opticians Output – Max patient Attendance
-------------------------------------------------------------------------------General Report
Output from A:\DES\Project\Draft Report\Two doctor analysis\Project_two_dr_max.MOD [Final Project: Ophthalmologist Practice
Simulator]
Date: Dec/03/2002
Time: 07:05:26 PM
-------------------------------------------------------------------------------Scenario
: Normal Run
Replication
: 1 of 1
Simulation Time : 7.394433333 hr
-------------------------------------------------------------------------------LOCATIONS
Average
Location
Name
---------------------------------Enter
Receptionist Desk Sign In Sign Out
Waiting Room
PreScreening Room
Drs.Exam Room.1
Drs.Exam Room.2
Drs.Exam Room
Optical Shop.1
Optical Shop.2
Optical Shop
Scheduled
Hours
----------7.394433333
7.394433333
7.394433333
7.394433333
7.394433333
7.394433333
14.78886667
7.394433333
7.394433333
14.78886667
Capacity
-------999999
1
15
1
1
1
2
1
1
2
Total
Entries
------22
44
22
22
12
10
22
6
6
12
Minutes
Per Entry
---------21.448455
6.786909
105.503818
16.250318
32.790333
36.876300
34.647591
51.945333
42.627167
47.286250
Average
Contents
-------1.06356
0.673083
5.2316
0.805802
0.886892
0.831173
0.859032
0.702492
0.576476
0.639484
Maximum
Contents
-------7
1
13
1
1
1
2
1
1
2
Current
Contents
-------0
0
0
0
0
0
0
0
0
0
% Util
-----0.00
67.31
34.88
80.58
88.69
83.12
85.90
70.25
57.65
63.95
LOCATION STATES BY PERCENTAGE (Multiple Capacity)
%
|
Location
Name
-----------Enter
Waiting Room
Scheduled
Hours
----------7.394433333
7.394433333
%
Empty
----65.30
19.78
Partially
Occupied
--------34.70
80.22
%
Full
---0.00
0.00
|
|
|
|
|
%
Down
---0.00
0.00
LOCATION STATES BY PERCENTAGE (Single Capacity/Tanks)
Location
Name
---------------------------------Receptionist Desk Sign In Sign Out
PreScreening Room
Drs.Exam Room.1
Drs.Exam Room.2
Drs.Exam Room
Optical Shop.1
Optical Shop.2
Optical Shop
Scheduled
Hours
----------7.394433333
7.394433333
7.394433333
7.394433333
14.78886667
7.394433333
7.394433333
14.78886667
%
Operation
--------67.31
10.21
76.09
65.81
70.95
59.53
48.79
54.16
%
Setup
----0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
%
Idle
----32.69
19.42
11.31
16.88
14.09
29.75
42.35
36.05
%
Waiting
------0.00
0.00
0.00
0.00
0.00
0.00
0.01
0.00
%
Blocked
------0.00
70.37
12.60
17.31
14.96
10.72
8.85
9.79
%
Down
---0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
FAILED ARRIVALS
Entity
Name
----------------Ab Normal Patient
Normal Patient
Location
Name
-------Enter
Enter
Total
Failed
-----0
0
ENTITY ACTIVITY
Average
Average
Average
Average
Average
Current
Minutes
Minutes
Minutes
Minutes
Minutes
Entity
Total
Quantity
In
In Move
Wait For
Name
Exits In System
System
Logic Res, etc.
----------------- ----- --------- ---------- -------- --------Ab Normal Patient
12
0 232.239667 1.000000
0.000000
Normal Patient
10
0 201.258700 0.870000
0.000000
In
Operation
--------95.473417
55.319200
Blocked
---------135.766250
145.069500
ENTITY STATES BY PERCENTAGE
%
%
Entity
Name
----------------Ab Normal Patient
Normal Patient
In Move
Logic
------0.43
0.43
Wait For
Res, etc.
--------0.00
0.00
%
In Operation
-----------41.11
27.49
%
Blocked
------58.46
72.08
22