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Excerpt

You can simulate Teamwork Cloud projects on the server by using Jupyter Notebook. This chapter explains how to set up Jupyter Notebook for server-side simulation and lists all available commands with examples.

Note

title	Prerequisites

Before starting the simulation, make sure you have prepared your projects for server-side simulation.

Setting up Jupyter Notebook

To set up Jupyter Notebook

In Jupyter Notebook, run the following command to install a Python package from the <modeling_tool_installation_directory>\plugins\com.nomagic.magicdraw.simulation\pyST.zip file:
Code Block
%pip install pyST.zip

Use the following requests to simulate Teamwork Cloud projects on the server:

Table of Contents

maxLevel	4

Create client/session and authenticate

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client = SimulationWebClient('http(s)://<server_host>:<server_port>', '<TWC_user_name>', '<TWC_user_password>', False)

This request starts a work session and provides authentication to Teamwork Cloud.

The following table describes the parameters used in the request:

Parameter	In	Required or optional	Description
server_host	path	required	The Teamwork Cloud server host name.
server_port	path	required	The Teamwork Cloud server port.
TWC_user_name	path	optional	The Teamwork Cloud user name. If you do not specify the user name in the request, an input field will be provided to specify it later.
TWC_user_password	path	optional	The Teamwork Cloud password. If you do not specify the password in the request, an input field will be provided to specify it later.

Tip
For instructions on how to run server-side simulation using SSL, refer to Running server-side simulation with SSL

Get the list of Teamwork Cloud projects

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client.get_projects()

This request provides the list of Teamwork Cloud projects accessible to you depending on your permissions. Only projects that you can read (the Read Resources permission) are returned.

Code Block

title	Request and response examples

client.get_projects()


[{'id': '1f9fd988-620b-4b3c-8414-7ab96dc53a48',
  'name': 'SpacecraftMassRollup',
  'description': ''},
 {'id': 'c125b91e-7d31-4015-b659-6fd98059b8c7',
  'name': 'BouncingBall',
  'description': 'This project demonstrates the execution of the BouncingBall, including fmu.'},
 {'id': '485dfc82-7b08-43cd-86b1-953b3725e5b1',
  'name': 'CarBrakingAnalysis',
  'description': 'This project calculates the stopping distance based on car speed and mass.'}]

Run simulation

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client.run(<project>, version=<version>, branch=<branch>, element=<element>, config=<config>, commit_results=<True/False>, verification=<All/None/Fail>, data=json.dumps(<param> ))

This request initiates the execution of the specified Simulation Configuration in a particular project. It connects to Teamwork Cloud, finds the element to execute, and initiates the execution if the element exists. After the execution is complete, the request constructs and returns a unique ID (per application) for the given execution.

The following table describes the parameters used in the request:

Parameter	In	Required or optional	Description	Options
project	path	required	The Teamwork Cloud project name or ID.	NA
version	path	optional	The Teamwork Cloud project version.	NA
branch	path	optional	The project branch name or ID. If the branch is omitted, the trunk is used instead.	NA
element	path	optional	The qualified name or server ID of the element to be executed.	NA
config	path	optional	The Simulation Configuration name or server ID.	NA
started_from	path	optional	Allows specifying the starting location of the simulation. The value of the started_from parameter is provided in the status endpoint response.	NA
commit_results	path	optional	Commits a new project version with the simulation results. Available values are True or False (default).	NA
verification	path	optional	Returns the selected verification results. Available values are: All - all verification results are returned. None - no verification results are returned. Fail (default) - verification results with the fail status are returned.	NA
data	path	optional	A set of output parameters, which will be obtained after the simulation is complete.	NA
simconfig	body	optional	The set of simulation configuration properties along with their corresponding values. The simulation configuration options you specify will take precedence over the initial configuration option from a model.	"ALLOW_CONCURRENT_ALLOCATED_ACTIVITIES": true, "AUTOMATIC_PARAMETRIC_RECALCULATION": true, "AUTO_CONVERT_UNITS": true, "AUTO_CREATE_FUML_OBJECT_OF_OUTPUT_PIN": true, "AUTO_START": true, "AUTO_START_ACTIVE_OPTIONS": true, "AUTO_TERMINATE": true, "CLOCK_RATIO": 1, "CLONE_REFERENCES": true, "COMPLETION_EVENTS_AND_TRANSITIONS": true, "CONSTRAINT_FAILURE_AS_BREAKPOINT": true, "DECIMAL_PLACES": 4, "DEFAULT_LANGUAGE": "JavaScript Rhino", "DURATION_SIMULATION_MODE": "MIN", // possible values: MIN, MAX, AVERAGE, RANDOM "ENDTIME": 0, "ENGINES_PRIORITY": "[on] fUML Engine\n[on] Interaction Engine\n[on] SCXML Engine", "INITIALIZE_NUMERICAL_VALUE": false, "INITIALIZE_REFERENCES": true, "NUMBER_OF_RUNS": 0, "NUMBER_OF_STEPS": 0, "PASS_CALLER_CONTEXT": true, "RECORD_TIMESTAMP": false, "REMEMBER_FAILURE_STATUS": true, "RESULT_LOCATION": "Results", "RUN_FORKS_IN_PARALLEL": true, "SOLVE_AFTER_INITIALIZATION": true, "START_TIME": 0, "STATE_ACTIVATION_SEMANTICS": "BEFORE_ENTRY", // possible values: "BEFORE_ENTRY", "AFTER_ENTRY" "STEP_DELAY": 0, "STEP_SIZE": 0, "TERMINATE_BEHAVIOR_ON_EXCEPTION_THROWN": true, "TERMINATE_NESTED_BEHAVIORS": true, "TERMINATE_STREAMING_BEHAVIORS_BY_OUTPUT_PARAMETER_MULTIPLICITY": false, "TIME_UNIT": "MILLISECOND", "TIME_VALUE": "Model-based Clock Test::Clock::time", "TIME_VARIABLE_NAME": "simtime", "TREAT_ALL_CLASSIFIERS_AS_ACTIVE": true, "USE_FUML_DECISION_SEMANTICS": false

Code Block

title	Request and response examples

 # SpaceCraftMassRollup sample

parameters = {
    "inputs":
   {
       "telecom.antenna.me":10,
        "telecom.amplifier.me":20
   },
 "outputs": 
    [ 
        "me",
        "propulsion.me",
        "propulsion.tank.me",
        "propulsion.thruster.me",
        "telecom.me",
        "telecom.antenna.me",
        "telecom.amplifier.me"
    ] 
}
        
client.run('SpacecraftMassRollup_SimWeb', config='spacecraft mass analysis', commit_results=False, data=json.dumps(parameters))

Code Block

title	Request example with simulation options specified in a request body

from pyST import simconfig   // imports simulation configuration class that allows using autocompletion to specify simulation options

simOptions = {
"simconfig":
   {
        simconfig.AUTO_START: True,
        simconfig.DURATION_SIMULATION_MODE: "MIN",
        simconfig.ENDTIME: 50,
        simconfig.TERMINATE_NESTED_BEHAVIORS: False
   }
}
 

client.run('OntologicalBehaviorModeling', config='Ontological Configurable', data=json.dumps(simOptions))

Note

To enable the autocompletion option for specifying the simulation in Jupyter, use from pyST import simconfig

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Perform a time step

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client.step(<simulation_id>)

This request performs a single time step of the specified simulation. To run the simulation by step, it should be run with the AUTO_START option of the simconfig parameter set to false.

The following table describes the parameters used in the request:

Parameter	In	Required or optional	Description
simulation_id	path	required	The ID of a specific simulation.

Start simulation

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client.start(<simulation_id>)

This request starts the execution of the specified simulation. If the initialization phase is still in progress, the start endpoint is memorized and sent when the initialization phase is completed.

The following table describes the parameters used in the request:

Parameter	In	Required or optional	Description
simulation_id	path	required	The ID of a specific simulation.

Start simulation and get results

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client.simulate(<project>, version=<version>, branch=<branch>, element=<element>, config=<config>, commit_results=<True/False>, verification=<All/None/Fail>, data=json.dumps(<param>))

This request starts simulation and returns its results.

The following table describes the parameters used in the request:

Parameter	In	Required or optional	Description	Options
project	path	required	The Teamwork Cloud project name or ID.	NA
version	path	optional	The Teamwork Cloud project version.	NA
branch	path	optional	The project branch name or ID. If the branch is omitted, the trunk is used instead.	NA
element	path	optional	The qualified name or server ID of the element to be executed.	NA
config	path	optional	The Simulation Configuration name or server ID.	NA
commit_results	path	optional	A new project version is committed with the simulation results. Available values are True or False (default).	NA
verification	path	optional	Returns the selected verification results. Available values are: All - all verification results are returned. None - no verification results are returned. Fail - verification results with the fail status are returned including the main status and the status of requirements and constraints. If the verification value is not specified, only the verification results with the fail status are returned when the get_results endpoint is called.	NA
data	path	optional	A set of output parameters, which will be obtained after the simulation is complete.	NA
simconfig	body	optional	The set of simulation configuration properties along with their corresponding values. The simulation configuration options you specify will take precedence over the initial configuration option from a model.	"ALLOW_CONCURRENT_ALLOCATED_ACTIVITIES": true, "AUTOMATIC_PARAMETRIC_RECALCULATION": true, "AUTO_CONVERT_UNITS": true, "AUTO_CREATE_FUML_OBJECT_OF_OUTPUT_PIN": true, "AUTO_START": true, "AUTO_START_ACTIVE_OPTIONS": true, "AUTO_TERMINATE": true, "CLOCK_RATIO": 1, "CLONE_REFERENCES": true, "COMPLETION_EVENTS_AND_TRANSITIONS": true, "CONSTRAINT_FAILURE_AS_BREAKPOINT": true, "DECIMAL_PLACES": 4, "DEFAULT_LANGUAGE": "JavaScript Rhino", "DURATION_SIMULATION_MODE": "MIN", // possible values: MIN, MAX, AVERAGE, RANDOM "ENDTIME": 0, "ENGINES_PRIORITY": "[on] fUML Engine\n[on] Interaction Engine\n[on] SCXML Engine", "INITIALIZE_NUMERICAL_VALUE": false, "INITIALIZE_REFERENCES": true, "NUMBER_OF_RUNS": 0, "NUMBER_OF_STEPS": 0, "PASS_CALLER_CONTEXT": true, "RECORD_TIMESTAMP": false, "REMEMBER_FAILURE_STATUS": true, "RESULT_LOCATION": "Results", "RUN_FORKS_IN_PARALLEL": true, "SOLVE_AFTER_INITIALIZATION": true, "START_TIME": 0, "STATE_ACTIVATION_SEMANTICS": "BEFORE_ENTRY", // possible values: "BEFORE_ENTRY", "AFTER_ENTRY" "STEP_DELAY": 0, "STEP_SIZE": 0, "TERMINATE_BEHAVIOR_ON_EXCEPTION_THROWN": true, "TERMINATE_NESTED_BEHAVIORS": true, "TERMINATE_STREAMING_BEHAVIORS_BY_OUTPUT_PARAMETER_MULTIPLICITY": false, "TIME_UNIT": "MILLISECOND", "TIME_VALUE": "Model-based Clock Test::Clock::time", "TIME_VARIABLE_NAME": "simtime", "TREAT_ALL_CLASSIFIERS_AS_ACTIVE": true, "USE_FUML_DECISION_SEMANTICS": false

Code Block

title	Request and response examples

 # SpaceCraftMassRollup sample

parameters = {
    "inputs":
   {
       "telecom.antenna.me":10,
        "telecom.amplifier.me":20
   },
 "outputs": 
    [ 
        "me",
        "propulsion.me",
        "propulsion.tank.me",
        "propulsion.thruster.me",
        "telecom.me",
        "telecom.antenna.me",
        "telecom.amplifier.me"
    ] 
}
        
client.simulate('SpacecraftMassRollup_SimWeb', config='spacecraft mass analysis', commit_results=False, data=json.dumps(parameters))

Code Block

title	Request example with simulation options specified in a request body

from pyST import simconfig   // imports simulation configuration class that allows using autocompletion to specify simulation options

simOptions = {
"simconfig":
   {
        option.AUTO_START: true,
        option.DURATION_SIMULATION_MODE: "MIN",
        option.ENDTIME: 50,
        option.TERMINATE_NESTED_BEHAVIORS: false
   }
}
 

client.run('OntologicalBehaviorModeling', config='Ontological Configurable', data=json.dumps(simOptions))

Note

To enable the autocompletion option for specifying the simulation in Jupyter, use from pyST import simconfig

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Get simulation status

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client.get_status(<simulation_id>)

This request gets the status of a specific simulation. If the model has a UI mockup, Time Series Chart, Timeline Chart, or HTML Table, you can use the URL provided in the 'ui' or indexUI' key to open the specified UI.

The following table describes the parameters used in the request:

Parameter	In	Required or optional	Description
simulation_id	path	required	The ID of a specific simulation.

Code Block

title	Request and response examples

client.get_status('77d0c496-c1e2-42cd-8ba4-04e4c7f359d3')
 
{'state': 'RUNNING',
 'simulationId': '77d0c496-c1e2-42cd-8ba4-04e4c7f359d3',
 'simulationTime': '0 ms',
 'indexUI': 'http://nm-simulation.dsone.3ds.com/simulation/api/ui/index/77d0c496-c1e2-42cd-8ba4-04e4c7f359d3?pages=Coffee%20Machine.html&pages=Water%20Heating%20Element.html&pages=Wallet.html',
 'project': 'CoffeeMachine',
 'config': 'Coffee Machine',
 'elapsedTime': 0,
 'podName': 'simulation-deployment-6989d5dfc9-r6llk',
 'ui': ['http://nm-simulation.dsone.3ds.com/simulation/api/ui/77d0c496-c1e2-42cd-8ba4-04e4c7f359d3/Coffee%20Machine.html',
  'http://nm-simulation.dsone.3ds.com/simulation/api/ui/77d0c496-c1e2-42cd-8ba4-04e4c7f359d3/Water%20Heating%20Element.html',
  'http://nm-simulation.dsone.3ds.com/simulation/api/ui/77d0c496-c1e2-42cd-8ba4-04e4c7f359d3/Wallet.html']}


client.get_status('ce8c8215-0515-43fd-9d34-92d1d7a95d87')
 
{'state': 'COMPLETED',
 'simulationId': 'ce8c8215-0515-43fd-9d34-92d1d7a95d87',
 'simulationTime': '3000 ms',
 'project': 'SpacecraftMassRollup',
 'config': 'spacecraft mass analysis',
 'elapsedTime': 6598}
 
 
client.get_status('b7bdf933-f58d-4e7e-b73b-8370c60485cd')
 
{'state': 'QUEUED',
 'queueNumber': 3,
 'simulationId': 'b7bdf933-f58d-4e7e-b73b-8370c60485cd',
 'simulationTime': '0 ms',
 'project': 'CarBrakingAnalysis',
 'elapsedTime': 52}

Get simulation variables

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client.get_variables(<simulation_id>, variables=json.dumps(<parameters>))

This request returns a list of simulation variables during simulation.

The following table describes the parameters used in the request:

Parameter	In	Required or optional	Description
simulation_id	path	required	The ID of the running simulation.
variables	path	optional	The set of simulation variables that should be obtained. If no variables are specified, the values of all simulation variables are returned.

Set simulation variables

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client.set_variables(<simulation_id>, variables=json.dumps(<parameters>))

This request provides a list of simulation variables with values.

The following table describes the parameters used in the request:

Parameter	In	Required or optional	Description
simulation_id	path	required	The ID of the running simulation.
variables	path	required	The set of simulation variables with values that should be used during the current simulation.
context	path	optional	The context ID.
property_path	path	optional	The property path of the context specified using property names or IDs.

Code Block

title	Request and response examples

var = {
 "variables":
 {
 "position": 40
 }
}

client.set_variables('23ceff24-28fa-47e4-b29f-b6b60b4b12e3', variables=json.dumps(var))

Pause simulation

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client.pause(<simulation_id>)

This request pauses the execution of the specified simulation.

The following table describes the parameters used in the REST API request:

Parameter	In	Required or optional	Description
simulation_id	path	required	The ID of the running simulation.

Resume simulation

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client.resume(<simulation_id>)

This request resumes the execution of the specified simulation.

The following table describes the parameters used in the REST API request:

Parameter	In	Required or optional	Description
simulation_id	path	required	The ID of the running simulation.

Get simulation results

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client.get_result(<simulation_id>)

This request returns the results of the specified simulation. If the OutputParameters tag of the executed Simulation Configuration is specified, the results are provided according to the OutputParameters tag value. If a Time Series or Timeline chart is specified for the Simulation Configuration, the chart data is returned in the JSON format.

The figure below demonstrates how to specify input and output parameters.

Image Modified

Specifying input and output parameters.

The following table describes the parameters used in the request:

Parameter	In	Required or optional	Description
simulation_id	path	required	The ID of the running simulation.

Get the list of running simulations

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client.get_running()

This REST API request gets the list of all currently running simulations including the queued simulations that are placed in a waiting line.

Terminate simulation

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client.terminate(<simulation_id>)

This request terminates the specified simulation.

The following table describes the parameters used in the request:

Parameter	In	Required or optional	Description
simulation_id	path	required	The ID of a specific simulation.

Check for Simulation Configurations

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client.has_configurations(<project>, version=<version>, branch=<branch>)

This request checks if the project has any Simulation Configurations.

The following table describes the parameters used in the request:

Parameter	In	Required or optional	Description
project	path	required	The Teamwork Cloud project name or ID.
version	path	optional	The Teamwork Cloud project version.
branch	path	optional	The project branch name or ID. If the branch is omitted, the trunk is used instead.

Get Simulation Configurations

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client.get_configurations(<project>, version=<version>, branch=<branch>, element=<element>)

This request retrieves the names and descriptions of the Simulation Configurations available for the given project.

The following table describes the parameters used in the request:

Parameter	In	Required or optional	Description
project	path	required	The Teamwork Cloud project name or ID.
version	path	optional	The Teamwork Cloud project version.
branch	path	optional	The project branch name or ID. If the branch is omitted, the trunk is used instead.
element	path	optional	The qualified name or server ID of the element to be executed.
filter	path	optional	Returns Simulations Configurations with a specified UI tag for a particular project. The only possible value for the filter parameter is ui. Only Simulations Configurations having at least one of the following UI elements are returned: Frame Table TimeSeries chart Timeline chart

Get Simulation Configuration descriptor

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client.get_descriptor(<project>, version=<version>, branch=<branch>, config=<config>)

This REST API request retrieves Simulation Configuration data (description, execution target, time step, input and output parameters) from the specified project. The set of input and output parameters is specified using the Input Parameters and Output Parameters properties of a Simulation Configuration. The figure below demonstrates how to specify input and output parameters.

Image Modified

Specifying input and output parameters.

The following table describes the parameters used in the request:

Parameter	In	Required or optional	Description
project	path	required	The Teamwork Cloud project name or ID.
version	path	optional	The Teamwork Cloud project version.
branch	path	optional	The project branch name or ID. If the branch is omitted, the trunk is used instead.
config	path	optional	The Simulation Configuration name or server ID.

Code Block

title	Request and response examples

 client.get_descriptor('SpacecraftMassPollup_SimWeb', config='spacecraft mass analysis')

{'config': 'spacecraft mass analysis',
 'description': 'Simulation Config that is dedicated to run spacecraft mass rollup.',
 'model': 'spacecraft',
 'parameters': {'inputs': [{'parameter': 'telecom.amplifier.me',
    'value': 32.0,
    'type': 'mass[kilogram]',
    'unit': 'kilogram',
    'requirements': [{'id': '1',
      'text': 'Estimated mass shall be less than allocated mass'}]},
   {'parameter': 'telecom.antenna.me',
    'value': 32.0,
    'type': 'mass[kilogram]',
    'unit': 'kilogram',
    'requirements': [{'id': '1',
      'text': 'Estimated mass shall be less than allocated mass'}]},
   {'parameter': 'propulsion.tank.me',
    'value': 68.0,
    'type': 'mass[kilogram]',
    'unit': 'kilogram',
    'requirements': [{'id': '1',
      'text': 'Estimated mass shall be less than allocated mass'}]},
   {'parameter': 'propulsion.thruster.me',
    'value': 68.0,
    'type': 'mass[kilogram]',
    'unit': 'kilogram',
    'requirements': [{'id': '1',
      'text': 'Estimated mass shall be less than allocated mass'}]}],
  'outputs': [{'parameter': 'telecom.me',
    'value': 32.0,
    'type': 'mass[kilogram]',
    'unit': 'kilogram',
    'requirements': [{'id': '1',
      'text': 'Estimated mass shall be less than allocated mass'}]},
   {'parameter': 'propulsion.me',
    'value': 68.0,
    'type': 'mass[kilogram]',
    'unit': 'kilogram',
    'requirements': [{'id': '1',
      'text': 'Estimated mass shall be less than allocated mass'}]},
   {'parameter': 'me',
    'value': 95.0,
    'type': 'mass[kilogram]',
    'unit': 'kilogram',
    'requirements': [{'id': '1',
      'text': 'Estimated mass shall be less than allocated mass'}]}]}}


client.get_descriptor('BouncingBall', config='Run BouncingBall')


{'config': 'Run BouncingBall',
 'description': 'Simulation Config dedicated to run simulation with bouncingBall.fmu.',
 'model': 'bouncingBall',
 'timeStep': '10 ms' 
 }

Content

Space Tools

Versions Compared

Old Version 2

New Version 3

Key

Setting up Jupyter Notebook

Create client/session and authenticate

Get the list of Teamwork Cloud projects

Run simulation

Perform a time step

Start simulation

Start simulation and get results

Get simulation status

Get simulation variables

Set simulation variables

Pause simulation

Resume simulation

Get simulation results

Specifying input and output parameters.

Get the list of running simulations

Terminate simulation

Check for Simulation Configurations

Get Simulation Configurations

Get Simulation Configuration descriptor

Specifying input and output parameters.