User's guide chapter 6



Previous: Chapter 5 Next: Chapter 7

Chapter 6 – Output Report

6.1 – General Information

There are two types of output reports. One is an output report which gives an overview of decision-making and management information. The other is output detail which provides output in the form of tables, graphs, charts and exports. After you run the simulation, both types of output reports are available from the View menu.

View menu of ProcessModel simulation software

6.2 – Analyzing Output Report

ProcessModel simplifies the process of generating and analyzing the output data as well as increases performance on the generation and analysis side. Data is gathered from all scenarios and replications in a structured format, ready for easy analysis. The Output Report provides information regarding activities, resources, entities, variables, total process cost, burdened cost per entity, resource costs, manufacture or service time, the amount of process time that provides value to the customer and custom statistics of your choice. This information is provided in tabular form with the ability to pull information from many model experiments to compare results.

See Output Summary results of a ProcessModel simulation

1. When the simulation is complete (or you have ended it manually), choose No when you see the following dialog.
Simulation complete prompt

Important information to be aware of If you end the simulation from the Simulation menu while the simulation is still running, ProcessModel will prompt you for verification before displaying the above dialog.

2. You will now be in the model build area. From the toolbar click the output report button Output Report Icon or goto the view menu and select Output Report. The following dialog box will appear.

Output Report of ProcessModel

6.2.1 – Scenarios & Replications

After running multiple replications (a sample from a different time of the same model) or multiple scenarios (an experiment with different input parameters), the Output Report will allow the selection of statistics from each category as shown below.

Output Report with scenarios and replications

Click on the names in the tree diagram on the left to display summary information on a single run, multiple scenarios and / or multiple replications.

Important information to be aware of The information is only displayed when the simulation is done with scenarios and / or replications.

Clicking on the tree diagram will show or hide information based on your level of selection. When selecting a scenario containing replications, you will see average values of all replications for that scenario. When selecting a replication, you will see only data for that replication. For information on setting up multiple replications, see Chapter 5, Section 5.1.1, Run Tab.

6.2.2 – General Report

The general report contains the valuable decision making information regarding activities, resources, entities and variables. It provides information that is vital to the modeler to assure complete understanding of the operation of the system under study. This detailed information allows an in depth view of every activity, storage and resource.

1. Click on the General Report from the tree and then the General Info tab, to see the general information on the simulated model.

General tab in output report of ProcessModel

Date: The date model was simulated.

Output from: Output file path.

Replication: Number of replications performed.

Scenario: Scenario name, if any.

Simulation Time: Total simulation time.

Time: Time the report was generated.

Important information to be aware of If you have only scenarios in your model you will need to click the name of the scenario to see the general report.

Important information to be aware of If you have replications in your model clicking the general report will show you the averaged report, clicking on any replication number will give you report on that particular replication.

Important information to be aware of If you have scenarios and replications in your model clicking the scenario name will show you the averaged report, clicking on any replication number will give you report on that particular replication.

2. Click on the Activities tab on the right, while on the General Report in the tree to see the activity information.

Activities tab in output report of ProcessModel

Activity Name: Names of all the activities that have been added to the model with statistics enabled.

Scheduled Hours: The total number of hours the activity was scheduled to be available, as the result of any shift file it uses, defined in the properties dialog.

Capacity: Capacity of the activity, defined in the properties dialog.

Total Entries: The total number of entities that entered the activity, not including entities arriving to be attached. Entities arriving that have been previously grouped or have entities attached to them to form a single entity only count as one entry.

Average (Sec/Min/Hrs/Days) Per Entry: Average time an entity spent at the activity, time value is based on what is selected in the Simulation \ Options window. This time may include partial times from the beginning and end of the actual run time.

Average Contents: Average entities in the activity at the same time.

Maximum Contents: The maximum number of entities which occupied the activity at the same time, over the course of the simulation.

Current Contents: The number of entities remaining at the activity when the simulation ended.

% Utilization: The percentage of capacity occupied, on average, during the simulation.

(Cumulative Occupancy Time x 100) / (Capacity x Scheduled Time)

Value Is: Displays if the values are 90%, 95%, 99% Confidence Interval, Average, Min, Max, Skewness or Standard Deviation values.Important information to be aware of The value is only displayed when the simulation is done with replications.

For more information, see Confidence Interval.

3. Click on the Activity by % (Multi Cap) tab on the right, while on the General Report in the tree to see the activity percentage information on multi capacity activities.

Activities by percentage multiple capacity in output report of ProcessModel

Activity Name: Names of all the activities that have been added to the model with statistics enabled and have a capacity of more than 1.

Scheduled Hours: Scheduled hours for the activity, defined in the properties dialog.

% Empty: Percentage time the activity was empty.

% Partially Occupied: The percentage of time the activity had entities but was not filled to capacity.

(100% of time – %Full – %Empty)

% Full: The percentage of time the activity was filled to capacity with entities.

Value Is: Displays if the values are 90%, 95%, 99% Confidence Interval, Average, Min, Max, Skewness or Standard Deviation values.Important information to be aware of The value is only displayed when the simulation is done with replications.

For more information, see Confidence Interval.

4. Click on the Activity by % (Single Cap) tab on the right, while on the General Report in the tree to see the activity percentage information on single capacity activities.

Activities by percentage single capacity in output report of ProcessModel

Activity Name: Names of all the activities that have been added to the model with statistics enabled and have a capacity of 1.

Scheduled Hours: Scheduled hours for the activity, defined in the properties dialog.

% Operation: The percentage of time the activity was actually processing an entity.

% Idle: The percentage of time that no entities were at the activity, but the activity was not down.

% Waiting: The percentage of time the activity was waiting for a resource or another entity in order to begin processing or move to the next activity. Any delays in processing routing Action logic are counted as waiting time.

% Blocked: The percentage of time entities spent waiting for a freed destination. “Blocked” means that an entity cannot move downstream in the model due to insufficient capacity at the next location. The entity has to sit at the current location, after the normal processing time is complete, until there is room available for it to move.

Value Is: Displays if the values are 90%, 95%, 99% Confidence Interval, Average, Min, Max, Skewness or Standard Deviation values.Important information to be aware of The value is only displayed when the simulation is done with replications.

For more information, see Confidence Interval.

5. Click on the Resources tab on the right, while on the General Report in the tree to see the resource information.

Resources tab in output report of ProcessModel

Resource Name: Names of all the resources that have been added to the model.

Units: Number of resources assigned, defined in the properties dialog.

Scheduled Hours: The total number of hours the resource was scheduled to be available, as determined by the assigned shift file, defined in the properties dialog.

Number of Times Used: The total number of times the resource has been acquired to transport or process an entity.

Average (Sec/Min/Hrs/Days) Per Usage: The average time the resource is used by an entity. Time value is based on what is selected in the Simulation \ Options window.

% Util: The percentage of time the resource spent moving or processing an entity.

(100 * (Number of Time Used * Average Minutes Per Usage)) / (Scheduled Hours * 60 min/hr)

Important information to be aware of Resources are reported both by unit and collectively. The collective unit (aggregate) report for a resource totals the first three fields and averages the last two fields discussed above.

Value Is: Displays if the values are 90%, 95%, 99% Confidence Interval, Average, Min, Max, Skewness or Standard Deviation values.Important information to be aware of The value is only displayed when the simulation is done with replications.

 Divide the times used value by the scheduled hours and that will give the average number of entities processed in 1 hour by each resource. If detailed information is needed on hourly times used by a resource, then the Report with Reset statement can be used to generate the hourly data.

For more information, see Confidence Interval.

6. Click on the Resource by % tab on the right, while on the General Report in the tree to see the resource percentage information.

Resource by percentage information tab in output report of ProcessModel

Resource Name: Names of all the resources that have been added to the model.

Scheduled Hours: Total scheduled hours for the resource during simulation, defined in the properties dialog.

% in Use: The percentage of time the resource was being used by entities.

% Idle: The percentage of time the resource was available but not in use.

% Down: The percentage of time the resource was unavailable due to shifts or options selected in the Availability tab for the resource.

Value Is: Displays if the values are 90%, 95%, 99% Confidence Interval, Average, Min, Max, Skewness or Standard Deviation values.Important information to be aware of The value is only displayed when the simulation is done with replications.

For more information, see Confidence Interval.

7. Click on the Entity tab on the right, while on the General Report in the tree to see the entity information.

Entity tab in output report of ProcessModel

Entity Name: Names of all the entities that have been added to the model with statistics enabled.

Qty Processed: The total number of entities processed through the model.

Average Cycle Time: The average time each entity spent in the model.

Cycle Time is the total elapsed time to move a unit of work from the beginning to the end of a physical process. Cycle time includes process time, during which a unit is acted upon to bring it closer to an output, and delay time, during which a unit of work is spent waiting to take the next action.

Average VA Time: Average value added time each entity spent being processed in activities or moved from one activity or storage to the next, does not include time waiting or time at any activity that is declared as a NVA (Non Value Added).

 Activity time begins as soon as an entity enters the capacity of the activity, and ends when the entity leaves the capacity, either by moving to the output queue or to the next location in the model. Value added time is accrued only from a TIME statement in the action logic or from the General tab’s Time field.

Average Cost: The average cost of the entity. This is based on how much work was done on the entity by activities, resources etc that have an associated cost. Important information to be aware of Unused resource cost is not applied to the average cost, to see cost with unused resource cost added, see the Entity Cost in the tree to the left.

Value Is: Displays if the values are 90%, 95%, 99% Confidence Interval, Average, Min, Max, Skewness or Standard Deviation values. Important information to be aware of The value is only displayed when the simulation is done with replications.

Only entities that exit the model have statistics collected for them and reported. If an entity is renamed at some point in the model, the original entity will not report statistics. Only the new name will show stats. Another instance when the entity summary will show 0’s is when one entity is attached to another without detaching them before they exit the model.

For more information, see Confidence Interval.

8. Click on the Variables tab on the right, while on the General Report in the tree to see the variable information.

Variable tab in output report of ProcessModel

Variable Name: Names of all the variables that have been added to the model with statistics enabled.

Total Changes: The total number of times that the value of the given variable changed during the simulation.

Average (Sec/Min/Hrs/Days) Per Change: The average time that a given variable remained at any one value. Time value is based on what is selected in the Simulation \ Options window.

Minimum Value: The lowest value of the variable during the simulation.

Maximum Value: The highest value of the variable during the simulation.

Current Value: The final value of the variable when the simulation ended.

Average Value: The average value of the variable during the simulation. This value is time weighted.

Value Is: Displays if the values are 90%, 95%, 99% Confidence Interval, Average, Min, Max, Skewness or Standard Deviation values. Important information to be aware of The value is only displayed when the simulation is done with replications.

For more information, see Confidence Interval.

9. Click on the Filter tab on the right, while on the General Report in the tree to see the filter options available.

Filter tab in output report of ProcessModel

The filter tab contains subtabs, these subtabs can filter contents of the specific tabs mentioned in the header of the subtab.

Activities: Filter input or output queues, or the activities themselves by checking or unchecking the relevant boxes.

Resources: Filter resources to show or hide resources by checking or unchecking the relevant boxes.

Entities: Filter entities to show or hide entities by checking or unchecking the relevant boxes.

Variables: Filter variables to show or hide variables by checking or unchecking the relevant boxes.

Statistics: Filter 90%, 95%, 99% Confidence Interval, Average, Min, Max, Skewness or Standard Deviation values for all relevant main tabs.Important information to be aware of The value is only displayed when the simulation is done with replications.

For more information, see Confidence Interval.

6.2.3 – Total Cost

Click on the Total Cost in the tree at the left hand side to see the total cost information.

Total cost in the output report of ProcessModel

Name: Not Applicable.

Total Cost: The total cost for running the process for the entire simulation time. Total Cost represents the sum of all the costs to run the process plus the addition of all unused resource costs. Includes sum of;

1. Used / Unused Resource cost.
2. VA, NVA, and BVA costs for each entity.
3. Initial entity cost.
4. Entity waiting cost.

The Output Detail report does not include unused resource cost, and uses an ABC costing method which only includes direct entity costs.

Business Value Added (BVA) activities are required by law, used for necessary audits or needed for subsequent activities but not required by the customer. Business Value added activities do not add value to the product or service from the customer’s perspective. Also called Book Value Added.

For more information, see ProcessModel and Activity-based Costing.