1、Integration of MBSE and Virtual Engineering for Detailed Design,Presented by: Akshay Kande Advisor: Dr. Steven Corns Missouri University of Science & Technology,Towards Creating an Integrated Development Environment for Engineering Systems,Complexity,Systems Engineering,Model Based Systems Engineeri
2、ng,Virtual Engineering,Objectives,Creating a seamless integration of MBSE and detail design tools to Manage complexity Help engineers to make informed decisions Execute engineering models Understand potential impacts of changing design parameters,Complexity,A property by which behavior of elements g
3、ets interconnected in such a way that changes made no longer have effects limited to the local area.,Latin word plexus interwoven,Complexity and Systems Engineering,Later was first introduced to satisfy the demands of systems with increased performance capabilities reduced cost Short development tim
4、eSystems engineering provides a systematic way to manage complex engineering ventures that consists of highly interconnected subsystems,Systems Engineering Process,Effective management of Information flow remains one of the key drivers to the success of the systems engineering activity,Sanford Fried
5、enthal, Alan Moore, Rick Steiner, A Practical Guide to SysML: The Systems Modeling Language, Morgan Kaufmann Publishers Inc., San Francisco, CA, 2008.,Traditional Approach,Requirements,System Functions,System Design,Document Centric Method,.,.,Drawbacks,Large collection of individual documents Diffi
6、culty in maintaining consistency Extraction of relevant information becomes cumbersome Difficulty to maintain the most updated document,Model Based Systems Engineering,INCOSE defines MBSE as, “Formalized application of modeling to support system requirements, design, analysis, verification, and vali
7、dation activities beginning in the conceptual design phase and continuing throughout the development and later life cycle phases.”,Model Based Systems Engineering,In MBSE, models are used to represent StructuralOperationalBehavioral characteristics of the system being developed,MBSE (Contd.),Typical
8、 MBSE environment consists of following elements Modeling Language Modeling Tool,Systems Modeling Language,General purpose modeling languageDeveloped by the OMG group Supports model based systems engineeringExtension of Unified Modeling Language(UML)Supports design, analysis, verification and valida
9、tion of systems,SysML Diagram Types,http:/www.omgsysml.org/,Systems Modeling Language,LimitationsModels lack self execution capabilityDependence on external analysis tools Lack of executable architecture framework,Extending Capabilities,How do we provide the detailed design & analysis capabilities?H
10、ow do we enhance decision making?,Design & Analysis tools,Proposed Solution,Virtual Engineering A means for creating a representation of physical system in a computer generated virtual environment Gives designers the ability to interrogate a system and observe how it reacts to design changes Provide
11、s an accessible visual format to present information in a manner that is of value to all the stakeholders,VE-Suite,Open-source virtual engineering software package Developed for engineering analysis and design of complex systems in a virtual environment Provides a highly integrated virtual environme
12、nt where the results of engineering models such as CAD, Finite element analysis, Computational fluid dynamics can be displayed in a single environment,VE-Suite Architecture,User Interface,Computational unit,Graphical engine,Virtual Systems Modeling Approach,Methodology,VE-Suite Model Structure Compo
13、sition,Methodology (Contd.),Analysis Model Structure in SysML,Model Structure Analogy,Modeling Methodology,Profile is a mechanism to extend capabilities of modeling languages to suit domain requirements,Modeling Methodology,Simulation block,VE-UI,Design parameters and time constraints,Constraint blo
14、ck,VE-Unit,Parametric equations,System Structure,VE-GP,CAD model References,MBSE Tool,The model organization created in the MBSE tool allows the code to be readily available for compilation to create the Plugins for VE-Suite.,Example Model,Fermentor: Used in the bio-processing industry for producing
15、 compounds such as citric acid and ethanol,Layout of the Fermentor model,Model development in SysML,Value properties that depict the quantifiable characteristics of the blocks. These quantities also represent the input and output parameters considered in the experiment.,Defining Constraints for Anal
16、ysis,Constraints used for calculating the citric acid concentration defined using SysML construct,Analysis Model in SysML,Parametric Model,Parametric diagram relating structural and simulation properties,Adding VE Models,Three main VE-Suite Components for fermentor in MBSE environment: FermentorUI F
17、ermentorUnit FermentorGP,Each VE-Suite module in the MBSE environment is composed of operations specific to the Plugin it has to create,Using CAD models,Architecture of Computer Aided Design (CAD) models is used to represent the system being developed Part properties of the fermentor system model ar
18、e referenced with individual CAD files that represent their structure Done using an UML operation to read data from the CAD file using OSG function,Fermentor Analysis Model,Fermentor Output in VE-Suite,Discussion and Closure,Use of model based engineering adds modularity, reusability and easy mainta
19、inability of design information SysML covers varying aspects of systems engineering activity by providing easy to use graphical constructs A complete model traceability can be maintained using relationship semantics,However, lack of self execution capabilities renders it to rely on external analysis
20、 tools for detail design,Virtual Systems Modeling Approach,Potential of SysML to manage information complexity can be used in conjunction with executable detailed design models Enhanced decision making capabilities System performance can be tested for different combination of parameter values Mainta
21、in consistency while executing analysis models,Future Work,The example model defines the creation of a user defined computation unit which is one among the numerous capabilities that VE platform offers. Future work shall be To use high fidelity models in conjunction with systems engineering data To streamline the integration process by porting the auto-code generation API into a VE-Suite interface,Thank You,
