SysML Block Definition Diagram

SysMLv1: TIP: If a symbol for an element that appears on a Block Definition Diagram or a Package Diagram is not directly within the namespace of the context of that Diagram indicate the ownership using display options or one of the containment devices

The sigsUp/Down functions as a SysML BDD: With Options Block and pseudo functional indicators

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Tutorial

[TECHNICAL SLIDE TRAIL] The Webel libraries for Wolfram Mathematica: With SysMLv1 models.

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SECTION: Modelling the Wolfram Language in SysMLv1 and related Webel coding conventions

Association as SysML: CASE: Webel @RuleMap and @ArgsMap «pseudo» blocks. Very "fiddly" to represent in a SysML Block Definition Diagram!

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Tutorial

[TECHNICAL SLIDE TRAIL] The Webel libraries for Wolfram Mathematica: With SysMLv1 models.

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SECTION: The Webel '$opt$' and '$arg$' help holder conventions for options and arguments in the Wolfram Language

SysML: Syntax ain't Semantics: FUN CHALLENGE: SysMLv1 block property aggregation: 'The tornado chaser plane "has" a chaser car "with" a chaser team.'

Webel: SysMLv1: Recommend using Block Definition Diagrams as associative, graphical engineering "scratchpads" FOR YOU; Use Internal Block Diagrams as the main presentation diagrams for your engineering colleagues and other stakeholders!

SysMLv1: MagicDraw/Cameo: Synchronising ItemFlows on Connectors with ObjectFlows in Activities using the Item Flow Manager. Nice!

Webel: SysMLv1: TIP: Consider using high level "communication" Associations between Blocks in BDDs and corresponding object diagram BDDs WITHOUT any Ports, with Links typed by the Associations. Object diagrams are great for exploring Slot values, too.

Webel: SysMLv1: TIP: Consider using high level "communication" Associations between Blocks in BDDs with ItemFlows and corresponding context IBDs WITHOUT any Ports, with Connectors typed by the Associations (as well, in parallel with your port-based IBDs).

Webel: SysML4Mathematica: TIP: Representing Mathematica functions as SysML ConstraintBlocks modelled in Block Definition Diagram (BDD) overviews can really help you organise and document your Wolfram Language code on complex projects!

SysML4Mathematica: Example: Block Definition Diagram overview of ConstraintBlocks, their parameters, and ConstraintBlock usages representing lower-level Webel Psy library Psychrometrics functions and CoolProp wrapper usages

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Tutorial

TRAIL: Air Conditioning Psychrometrics (vs CED Engineering course): Example results (only) in Mathematica and SysML using the Webel Psy package and MPsy class

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SysML Block Definition Diagram (BDD)

MagicDraw/Cameo: HOWTO: Create a redefining value property with a default value using drag-n-drop

MagicDraw/Cameo: You can drag a Class symbol onto a Class symbol (in a Class Diagram) or a Block symbol or ValueType symbol onto or Block symbol (in a Block Definition Diagram) to create a new part property or value property

BDD: Figure 39: Electrical blocks, ports & component properties

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TRAIL: SysPhS-1.1 Annex A examples in MagicDraw/Cameo SysML vs Modelica (Wolfram SystemsModeler)

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Annex A.2: Electric Circuit

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SysML Block Definition Diagram (BDD)

04: Composite DigitalTwin

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Tutorial

TRAIL: A SysML Pattern for Digital Twinning

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SysML Block Definition Diagram (BDD)

Screencast: The Webel Digital Twin Pattern for SysML: Part 1: Simulating acquisition or creation of physical assets using Activities and StateMachines in Cameo Simulation Toolkit.

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© Copyright 2020 Darren R C Kelly (Webel IT Australia).

Read more about Screencast: The Webel Digital Twin Pattern for SysML: Part 1: Simulating acquisition or creation of physical assets using Activities and StateMachines in Cameo Simulation Toolkit.

10: Process overview

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TRAIL: A SysML Pattern for Digital Twinning

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SysML Package Diagram

07: BDD of twin control loop Blocks

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Tutorial

TRAIL: A SysML Pattern for Digital Twinning

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SysML Block Definition Diagram (BDD)

06: Focus BDD for EntityRepresentation

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Tutorial

TRAIL: A SysML Pattern for Digital Twinning

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SysML Block Definition Diagram (BDD)

03: Focus BDD for the DigitalTwin block

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Tutorial

TRAIL: A SysML Pattern for Digital Twinning

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SysML Block Definition Diagram (BDD)

BDD of Receiver and Number (digit accumulator)

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Tutorial

HOWTO: Send and receive a Signal via Ports in SysML and Cameo Simulation Toolkit

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SysML Block Definition Diagram (BDD)

BDD overview of entire mini system

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Tutorial

HOWTO: Send and receive a Signal via Ports in SysML and Cameo Simulation Toolkit

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SysML Block Definition Diagram (BDD)

Variations on concrete implementations of I_A and the constraints with computations they carry

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Tutorial

TRAIL: HOWTO simulate Dependency Injection of SysML Parametric calculations

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SysML Block Definition Diagram (BDD)

The problem statement: A Client subscribes to an output value property but does not know what computes it or how

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Tutorial

TRAIL: HOWTO simulate Dependency Injection of SysML Parametric calculations

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hybrid diagram

SysML Block Definition Diagram (BDD)

SysML Parametric Diagram

AplanaticGregorianReflector - simple light flow model

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Tutorial

TRAIL: Webel SysML Parsing Analysis example: Optical telescopes from Wikipedia: Structure and port-based light flow model

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SysML Internal Block Diagram (IBD)

Gregorian primary and secondary assembly variations within the tube

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Tutorial

TRAIL: Webel SysML Parsing Analysis example: Optical telescopes from Wikipedia: Structure and port-based light flow model

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SysML Block Definition Diagram (BDD)

A "staging" BDD for defining the flows, ports, and item properties on blocks to be used in an IBD does not have to be a "work of art" if it is not intended as a final presentation diagram.

KeplerianRefractor: simple image flow model: staging BDD

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Tutorial

TRAIL: Webel SysML Parsing Analysis example: Optical telescopes from Wikipedia: Structure and port-based light flow model

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SysML Block Definition Diagram (BDD)

SimpleOpticalTelescope light flow model: staging BDD and context IBD

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Tutorial

TRAIL: Webel SysML Parsing Analysis example: Optical telescopes from Wikipedia: Structure and port-based light flow model

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hybrid diagram

SysML Block Definition Diagram (BDD)

SysML Internal Block Diagram (IBD)

SysMLv1: Cameo: In Package Diagrams and Block Definition Diagrams use the owner indicator display option for Classifier symbol headers when indicating the owner (except where a containment operator suffices). The mode 'Below Element Name' is preferred.

Converting mass and charge using SysML Parametrics

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TRAIL: Webel SysML Parsing Analysis example: A particle physics taxonomy from Wikipedia

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hybrid diagram

SysML Block Definition Diagram (BDD)

SysML Parametric Diagram

Focus BDD for the abstract ChargedLepton block

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Tutorial

TRAIL: Webel SysML Parsing Analysis example: A particle physics taxonomy from Wikipedia

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SysML Block Definition Diagram (BDD)

Focus BDD for the Positronium block

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Tutorial

TRAIL: Webel SysML Parsing Analysis example: A particle physics taxonomy from Wikipedia

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SysML Block Definition Diagram (BDD)

Updated focus BDD for Lepton including charge

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Tutorial

TRAIL: Webel SysML Parsing Analysis example: A particle physics taxonomy from Wikipedia

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Slide kind

SysML Block Definition Diagram (BDD)

Optionally suffix the "focus" BDD for a Block with '.bdd' so that it won't clash with a corresponding IBD on diagram export. This is not a SysMLv1 concern, it is purely a workflow concern. It has the slight disadvantage that BDD may "indicated" twice.

Our first Parsing Analysis diagram about leptons

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Tutorial

TRAIL: Webel SysML Parsing Analysis example: A particle physics taxonomy from Wikipedia

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SysML Block Definition Diagram (BDD)

SysMLv1: MagicDraw/Cameo: If redisplay of an Association with an InformationFlow or ItemFlow creates a strange extra dashed arrow with «ItemFlow» keywords (separate from the Association) just remove (only) that extra dashed line from the diagram.

REFERENCE CARD: Property cheat-sheet for Block

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Tutorial

TRAIL: Webel's ultimate guide to Systems Modeling Language (v1) with MagicDraw/Cameo

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08:01: The building Blocks of SysMLv1

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SysML Block Definition Diagram (BDD)

For example, the block definition diagram and internal block diagram are similar to the UML class diagram and composite structure diagram respectively, but include extensions ...

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OMG Systems Modeling Language (SysML) 1.6

The SysML diagrams

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Tutorial

TRAIL: Webel's ultimate guide to Systems Modeling Language (v1) with MagicDraw/Cameo

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01:01: [BRIEF] SysMLv1 Overview

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SysML Package Diagram

Context-specific values tree in SysML - DEMO OVERVIEW

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TRAIL: Webel's ultimate guide to Systems Modeling Language (v1) with MagicDraw/Cameo

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08:04: Deep configuration using SysMLv1 context-specific values

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SysML Block Definition Diagram (BDD)

Values - LuxuryPhoneConfig - BDD

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TRAIL: Webel's ultimate guide to Systems Modeling Language (v1) with MagicDraw/Cameo

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08:04: Deep configuration using SysMLv1 context-specific values

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SysML Block Definition Diagram (BDD)

Values - SmartPhone with 2 PhoneCameras - BDD

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Tutorial

TRAIL: Webel's ultimate guide to Systems Modeling Language (v1) with MagicDraw/Cameo

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08:04: Deep configuration using SysMLv1 context-specific values

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SysML Block Definition Diagram (BDD)

Values - CustomCamera with customised Sensor with pixels - BDD

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Tutorial

TRAIL: Webel's ultimate guide to Systems Modeling Language (v1) with MagicDraw/Cameo

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08:04: Deep configuration using SysMLv1 context-specific values

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SysML Block Definition Diagram (BDD)

Values - BasicCamera with Sensor with pixels - BDD

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TRAIL: Webel's ultimate guide to Systems Modeling Language (v1) with MagicDraw/Cameo

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08:04: Deep configuration using SysMLv1 context-specific values

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SysML Block Definition Diagram (BDD)

MagicDraw/Cameo: If you want to show a Property or Port listed both in its corresponding compartment on a Class or Block symbol and as the end of an Association in the same diagram, set the display option Show Association Ends As Attributes/Ports to 'all'

Block, Generalization, Association: Home entertainment system

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TRAIL: Webel's ultimate guide to Systems Modeling Language (v1) with MagicDraw/Cameo

Section

08:01: The building Blocks of SysMLv1

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SysML Block Definition Diagram (BDD)

It captures the definition of blocks in terms of properties and operations, and relationships such as a system hierarchy or a system classification tree

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OMG Systems Modeling Language (SysML) 1.6

The Block Definition Diagram in SysML defines features of blocks and relationships between blocks such as associations, generalizations, and dependencies.

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OMG Systems Modeling Language (SysML) 1.6

REFERENCE CARD: Types of Block Properties and Block compartments

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TRAIL: Webel's ultimate guide to Systems Modeling Language (v1) with MagicDraw/Cameo

Section

08:01: The building Blocks of SysMLv1

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SysML Block Definition Diagram (BDD)

ExampleBlock in a Block Definition Diagram (BDD)

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Tutorial

TRAIL: Webel's ultimate guide to Systems Modeling Language (v1) with MagicDraw/Cameo

Section

08:01: The building Blocks of SysMLv1

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SysML Block Definition Diagram (BDD)

SysMLv1: Associative BDDs are best used as staging diagrams for you the modeller (and SysML-fluent readers). IBDs usually make better presentations diagrams for a wider audience of general engineers and other stakeholders.

MagicDraw/Cameo: A Requirement may appear on many kinds of such as a Block Definition Diagram or Package Diagram, not just a Requirement Diagram

HISTORICAL: On using the plain ol' UML InformationFlow in SysML (but please instead use a SysML ItemFlow without an 'itemProperty' on Associations)

ARCHIVAL (2010): This content is now considered historical only!

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Tutorial

TRAIL: Webel's ultimate guide to Systems Modeling Language (v1) with MagicDraw/Cameo

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09:01: Indicating flow on Associations and Connectors

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SysML Block Definition Diagram (BDD)

SysMLv1: You can't make connections in BDDs, only in IBDs. A BDD shows where connections MAY be made (as indicated by Associations), an IBD shows where specific connections HAVE been made in a specific context!

[HISTORICAL] UML-STYLE: Hybrid SUV example: Ports with required/provided Interfaces (Block Definition Diagram)

ARCHIVAL (2020): This content is now considered historical only!

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Tutorial

TRAIL: Webel's ultimate guide to Systems Modeling Language (v1) with MagicDraw/Cameo

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09:04: Ports and contracts

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SysML Block Definition Diagram (BDD)

SysML-1.6: In 'Figure 15-7: Example of flow allocation from ObjectNode to FlowProperty' there are allocations from an Actions (usage level) to Blocks (definition level)

SysML-1.6: In 'Figure 15-7: Example of flow allocation from ObjectNode to FlowProperty' it does not make sense naming the BDD 'Block0' if that Block is not shown in the diagram

Figure 13-1: Block definition diagram with state machines as blocks associated with submachines and types of parameters

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Tutorial

TRAIL: The SysML-1.6 Hybrid SUV sample and specification diagrams in MagicDraw/Cameo (with annotations) [UNDERGOING UPDATE to SysML1.7]

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Section: SysML-1.6 specification diagrams: 13 StateMachines

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SysML Block Definition Diagram (BDD)

State machines in block definition diagrams can also appear with the same notation as submachine states.

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OMG Systems Modeling Language (SysML) 1.6

Properties with AdjunctProperty applied, where the principal of the AdjunctProperty is a parameter of the state machine, can be used as the end of the associations towards the parameter type.

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OMG Systems Modeling Language (SysML) 1.6

Properties with AdjunctProperty applied, where the principal of the AdjunctProperty is a submachine state, can be used as the end of the associations towards the sub state machine.

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OMG Systems Modeling Language (SysML) 1.6

State machines in block definition diagrams appear as regular blocks, except the «stateMachine» keyword may be used to indicate the Block stereotype is applied to a state machine, as shown in Figure 13-1.

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OMG Systems Modeling Language (SysML) 1.6

Interactions in block definition diagrams can also appear with the same notation as InteractionUses.

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OMG Systems Modeling Language (SysML) 1.6

Properties with AdjunctProperty applied, where the principal of the AdjunctProperty is a parameter of the interaction, can be used as the end of the associations towards the parameter type.

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OMG Systems Modeling Language (SysML) 1.6

Properties with AdjunctProperty applied, where the principal of the AdjunctProperty is an interaction use, can be used as the end of the associations towards the interaction being used.

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OMG Systems Modeling Language (SysML) 1.6

Interactions in block definition diagrams appear as regular blocks, except the «interaction» keyword may be used to indicate the Block stereotype is applied to an interaction, as shown in Figure 12-1

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OMG Systems Modeling Language (SysML) 1.6

Figure 11-14: Example block definition diagram for object node types

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Tutorial

TRAIL: The SysML-1.6 Hybrid SUV sample and specification diagrams in MagicDraw/Cameo (with annotations) [UNDERGOING UPDATE to SysML1.7]

Section

Section: SysML-1.6 specification diagrams: 11 Activities

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SysML Block Definition Diagram (BDD)

Figure 11-13: Example block definition diagram for activity decomposition

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Tutorial

TRAIL: The SysML-1.6 Hybrid SUV sample and specification diagrams in MagicDraw/Cameo (with annotations) [UNDERGOING UPDATE to SysML1.7]

Section

Section: SysML-1.6 specification diagrams: 11 Activities

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SysML Block Definition Diagram (BDD)

Like all composition, if an instance of Operating Car is destroyed, terminating the execution, the executions it owns are also terminated.

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OMG Systems Modeling Language (SysML) 1.6

Each instance of Operating Car is an execution of that behavior. It owns the executions of the behaviors it invokes synchronously, such as Driving.

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OMG Systems Modeling Language (SysML) 1.6

Figure 11-13 shows a block definition diagram with composition associations between the activities and AdjunctProperty applied to the part ends in Figures 11.10, 11.11, and 11.12, as an alternative way to show the activity decomposition of Figures ...

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OMG Systems Modeling Language (SysML) 1.6

Figure 11-5: Block definition diagram with activities as blocks associated with types of object nodes, variables, and parameter

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Tutorial

TRAIL: The SysML-1.6 Hybrid SUV sample and specification diagrams in MagicDraw/Cameo (with annotations) [UNDERGOING UPDATE to SysML1.7]

Section

Section: SysML-1.6 specification diagrams: 11 Activities

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hybrid diagram

SysML Activity Diagram

SysML Block Definition Diagram (BDD)

The associations may be composition if the intention is to delete instances of the classifier flowing the activity when the activity is terminated. See example in 11.4, Usage Examples.

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OMG Systems Modeling Language (SysML) 1.6

Like any association end or property these can be the subject of parametric constraints, design values, units, and quantity kinds.

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OMG Systems Modeling Language (SysML) 1.6

Properties with AdjunctProperty applied, where the principal of the AdjunctProperty is an object node, variable, or parameter, can be used as the end of the associations toward the object node, variable, or parameter type.

Source

OMG Systems Modeling Language (SysML) 1.6

This supports linking the execution of the activity with items that are flowing through the activity or assigned to variables or parameters, and happen to be contained by an object node or assigned to a variable or parameter at the time the link exists.

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OMG Systems Modeling Language (SysML) 1.6

Associations can be used between activities and classifiers (blocks or value types) that are the type of object nodes, variables, or parameters in the activity, as shown in Figure 11-5.

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OMG Systems Modeling Language (SysML) 1.6

Activities in block definition diagrams can also appear with the same notation as CallBehaviorAction, except the rake notation can be omitted, if desired. Also see use of activities in block definition diagrams that include ObjectNodes.

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OMG Systems Modeling Language (SysML) 1.6

Properties with AdjunctProperty applied, where the principal of the AdjunctProperties are call actions, including call behavior actions, can be used as the part end of the associations. See 8.3.2.2 for constraints when AdjunctProperty is used ...

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OMG Systems Modeling Language (SysML) 1.6

This provides a means for representing activity decomposition in a way that is similar to classical functional decomposition hierarchies.

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OMG Systems Modeling Language (SysML) 1.6

Activities in block definition diagrams appear as regular blocks, except the «activity» keyword may be used to indicate the Block stereotype is applied to an activity, as shown in Figure 11-1. See example in 11.4, Usage Examples.

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OMG Systems Modeling Language (SysML) 1.6

Figure 11-1: Block definition diagram with activities as blocks

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Tutorial

TRAIL: The SysML-1.6 Hybrid SUV sample and specification diagrams in MagicDraw/Cameo (with annotations) [UNDERGOING UPDATE to SysML1.7]

Section

Section: SysML-1.6 specification diagrams: 11 Activities

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SysML Block Definition Diagram (BDD)

Figure 8-15 shows an example decomposition for vehicles in a block definition diagram.

Source

OMG Systems Modeling Language (SysML) 1.6

Figure 8-12 - Block diagram for the Wheel Package (WheelHubAssembly)

Gallery

Tutorial

TRAIL: The SysML-1.6 Hybrid SUV sample and specification diagrams in MagicDraw/Cameo (with annotations) [UNDERGOING UPDATE to SysML1.7]

Section

Section: SysML-1.6 specification diagrams: 08 Blocks

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SysML Block Definition Diagram (BDD)

Figure D.37 - Decomposition of “Accelerate” Function (Activity and Object Flow Breakdown)

Gallery

Tutorial

TRAIL: The SysML-1.6 Hybrid SUV sample and specification diagrams in MagicDraw/Cameo (with annotations) [UNDERGOING UPDATE to SysML1.7]

Section

Section: SysML-1.6: HSUV sample

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SysML Block Definition Diagram (BDD)

The constraints and parameters in Figure D.33 are detailed in Figure D.34 in Block Definition Diagram format. Note the use of valueTypes [ValueTypes] originally defined in Figure D.2.

Source

OMG Systems Modeling Language (SysML) 1.6

Figure D.34 - Defining Straight-Line Vehicle Dynamics Mathematical Constraints (Definition of Dynamics)

Gallery

Tutorial

TRAIL: The SysML-1.6 Hybrid SUV sample and specification diagrams in MagicDraw/Cameo (with annotations) [UNDERGOING UPDATE to SysML1.7]

Section

Section: SysML-1.6: HSUV sample

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SysML Block Definition Diagram (BDD)

Figure D.26 - Defining Analyses for Hybrid SUV Engineering Development (Block Definition Diagram)

Gallery

Tutorial

TRAIL: The SysML-1.6 Hybrid SUV sample and specification diagrams in MagicDraw/Cameo (with annotations) [UNDERGOING UPDATE to SysML1.7]

Section

Section: SysML-1.6: HSUV sample

Slide kind

SysML Block Definition Diagram (BDD)

Reusable constraint definitions may be specified on block definition diagrams and packaged into general-purpose or domain-specific model libraries. Such constraints can be arbitrarily complex mathematical or logical expressions.

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OMG Systems Modeling Language (SysML) 1.6

Webel: SysMLv1: Prefer not show Port symbols on the boundary of Block symbols in BDDs, just list them in compartments. One can't connect them in a BDD anyway. Recommend only show Port symbols in IBDs.

Figure D.18 - Defining Structure of Power Subsystem (PowerSubsystem Breakdown)

Gallery

Tutorial

TRAIL: The SysML-1.6 Hybrid SUV sample and specification diagrams in MagicDraw/Cameo (with annotations) [UNDERGOING UPDATE to SysML1.7]

Section

Section: SysML-1.6: HSUV sample

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SysML Block Definition Diagram (BDD)

Figure D.16 - Defining Structure of the Hybrid SUV System (Hybrid SUV Breakdown)

Gallery

Tutorial

TRAIL: The SysML-1.6 Hybrid SUV sample and specification diagrams in MagicDraw/Cameo (with annotations) [UNDERGOING UPDATE to SysML1.7]

Section

Section: SysML-1.6: HSUV sample

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SysML Block Definition Diagram (BDD)

Figure D.15 - Defining the Automotive Domain (Automotive Domain Breakdown)

Gallery

Tutorial

TRAIL: The SysML-1.6 Hybrid SUV sample and specification diagrams in MagicDraw/Cameo (with annotations) [UNDERGOING UPDATE to SysML1.7]

Section

Section: SysML-1.6: HSUV sample

Slide kind

SysML Block Definition Diagram (BDD)

Note how the relationships in this diagram are also reflected in the Automotive Domain Model Block Definition Diagram, Figure D.15.

Source

OMG Systems Modeling Language (SysML) 1.6

Webel: SysMLv1: Highly recommend creating a "focus" Block Definition Diagram (BDD) for each main Block with expanded feature details and relationships to at least nearest neighbours

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