siemens plm amesim reduces modeling time for airliner by 80%
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ProductLMS
Business challengesPredict subsystem and system behavior once integrated into aircraftConsider design options with-out mobilizing considerable financial and human resourcesMinimize the number of errors discovered at the verification phaseObtain optimal design within the shortest timeline
Keys to successPerform thermal analysis of the avionic bay Assess system interaction early and accuratelyApply the VIA process
ResultsReduced modeling time by a factor of 5Established a secured and optimized modeling process Enhanced model, architecture and configuration management
IRKUT builds Virtual Integrated Aircraft using a secure and optimized modeling process
Conquering global marketsToday, Russian aircraft manufacturer IRKUT Corporation (IRKUT) aims at conquering the worldwide aircraft market by launch-ing the MS-21, a series of three twin-engine short- and mid-range airliners with a capacity of 150 to 212 passengers. The MS-21is designed to compete with the Airbus A320 and Boeing 737.
Implementing a system simulation approachUnder the MS-21 development project, in 2010, IRKUT started using LMS Imagine.Lab Amesim™ software from Siemens PLM Software. Without any
Aerospace and defense
www.siemens.com/plm/lms
IRKUTRussian aircraft company reduces modeling time for new commercial airliner by 80 percent using LMS Imagine.Lab
prototype available at that time, IRKUT’s standard approach did not allow design engineers to answer questions as to how these systems would interact, or how they would behave in case of abnormal situa-tions. Implemented at the detailed design phase of the project when main system parameters had already been chosen, LMS Amesim is currently used for the hydraulic, environment control, electrical, fuel and anti-icing systems, as well as for engine modeling.
“Thanks to its user-friendliness, LMS Amesim allows us to easily build system models by using standard library compo-nents, or by creating our own compo-nents, and then analyze the system’s behavior,” says Anton Poplavskiy, deputy chief of the Engineering and Simulation
By launching the MS-21 passenger airliner, IRKUT aims at competing with the Airbus A320 and Boeing 737.
department at IRKUT. “Unlike other simula-tion tools, LMS Amesim does not require in-depth knowledge of how to implement and code physical laws and formulas. Standard validated and maintained librar-ies offered in LMS Amesim enable our engineers to work with several systems.”
“Compared to our previous solution, LMS Amesim allows us to reduce time spent in building our most complex mod-els by a factor of 5,” says Marina Grishina, an engineer in the Engineering and Simulation department at IRKUT.
“At the beginning, given our technical background in hydraulics, we worked only on the hydraulic system, but mastering more and more LMS Amesim libraries, today we are part of the dedicated Engineering and Simulation department, which has been created to support design of several systems,” notes Poplavskiy.
“We see several positive aspects in our cooperation with LMS Engineering specialists. Thanks to their expertise in the aerospace industry, they provide us with a proven high-perfor-mance methodology to secure and optimize our modeling process involving an increased number of internal and external experts.”
Anton Poplavskiy Deputy Chief Engineering and Simulation IRKUT Corporation
Grishina explains, “For instance, our high-lift system department recently needed to analyze a case of girder damage. Using the LMS Amesim planar mechanical library we studied this situation and obtained the results close to the data which were pro-vided by our supplier later on.”
The thermal analysis of the pylon has been another technical issue solved using LMS Amesim. In the MS-21, a lot of hydraulic equipment is located in the pylon and hence close to the engine. While the bot-tom part of the pylon is exposed to the hot flow from the engine nozzle, the blower cools down its external part. Despite a lack of similar experience, IRKUT managed to simulate the temperature inside the pylon by using LMS Amesim.
“LMS Amesim is constantly evolving in terms of ease of use,” says Poplavskiy. “The latest revision of LMS Imagine.Lab included enhancements in model parame-ters usability or instant visualization of parameter modifications. Even though these improvements might sound not so impor-tant for the design process, they greatly facilitate modeling and speed up the inter-pretation of engineering data.”
“Siemens PLM Software has proved to be an excellent support provider,” adds Poplavskiy. “We easily obtain any needed information and reinforce our expertise by participating in training sessions where the Siemens PLM Software team share best practices in system modeling.”
Using LMS Amesim, IRKUT studies the aircraft hydraulic system’s thermal behavior.
IRKUT analyzes the time before the fluid reaches the temperature required for the hydraulic system start-up.
“There are not so many companies offering such a complete simulation solution. Modeling with LMS Imagine.Lab enabled us to minimize the number of errors discovered during the verification phase and obtain an optimal design within the shortest timeline. We are able to modify and test virtually any parameter without mobilizing consider-able financial and human resources, which tests would require. We aim at achieving a 90 percent simulation accuracy level.”
Yury Logvin Deputy Director, Design Engineering Center IRKUT Corporation
Creating Virtual Integrated Aircraft Regularly participating in Siemens PLM Software aerospace user conferences, in 2012, IRKUT specialists attended a presen-tation of the thermal analysis carried out with LMS Amesim. Impressed with the results obtained, IRKUT decided to launch a project aimed at modeling the MS-21’s thermal behavior while taking into account boundary conditions for engine, anti-icing, hydraulic, fuel and electrical systems.
Supported by the LMS™ Engineering ser-vices team, this project has become the first step in applying the Virtual Integrated Aircraft (VIA) concept, which supports the earlier assessment of systems interaction to predict their behavior once integrated into aircraft.
LMS Imagine.Lab™ Sysdm software and LMS Imagine.Lab™ System Synthesis software have perfectly complemented LMS Amesim already in use.
LMS Sysdm has increased productivity in the simulation process at IRKUT and has reinforced collaboration among its depart-ments and suppliers by bringing an effi-cient solution for system model and architecture management according to the structure defined jointly by IRKUT and the LMS Engineering team.
LMS System Synthesis has enabled a sys-tematic approach for getting an appropri-ate modeling baseline for each of IRKUT’s design considerations. Providing an envi-ronment to automate the assembly of complex modeling diagrams, it has also secured the cross-dependencies between systems by ensuring each stakeholder of the modeling activities always has an up-to-date reference dataset properly config-ured for his work. Each of the design choices can therefore be executed in a controlled process leaving room for inno-vation in each department.
“Comparedtoourprevioussolution,LMSAmesimallowsustoreducetimespentinbuildingourmostcomplexmodelsbyafactorof5.”Marina Grishina Engineer Engineering and Simulation IRKUT Corporation
Under the VIA project, the hydraulic system is analyzed within the wider context of various aircraft systems.
“We see several positive aspects in our cooperation with LMS Engineering special-ists,” says Poplavskiy. “Thanks to their expertise in the aerospace industry, they provide us with a proven high-perfor-mance methodology to secure and opti-mize our modeling process involving an increased number of internal and external experts. We have to learn as much as pos-sible from this collaboration to be able to apply the VIA approach to our future projects.”
Summing up and looking forward“There are not so many companies offering such a complete simulation solution,” says Yury Logvin, deputy direc-tor of the Design department at IRKUT’s Engineering Center. “Modeling with LMS Imagine.Lab enabled us to minimize the number of errors discovered during the
verification phase and obtain an optimal design within the shortest timeline. We are able to modify and test virtually any parameter without mobilizing considerable financial and human resources, which tests would require. We aim at achieving a 90 percent simulation accuracy level.
“Our goal is to produce a competitive air-plane, and Siemens PLM Software offers tools covering most of the needs to do this,” says Logvin. “For instance, we recently found a solution to a technical issue with ailerons: our tests department had been trying to resolve it since three months whereas with LMS Amesim it took us only a day and a half to model ailerons’ behavior under the air flow. I believe that multi-domain simulation is our future.”
“SiemensPLMSoftwarehasprovedtobeanexcellentsupportprovider.”Anton Poplavskiy Deputy Chief Engineering and Simulation IRKUT Corporation
The VIA model built with LMS Amesim allows IRKUT to integrate the aircraft systems and study their interactions.
“Model-based systems engineering allows IRKUT to reduce the number of tests. Using LMS Amesim, we are able to predict and solve some potential problems as early as at the design stage and therefore to avoid trouble-shooting later on, at the fine-tuning stage.”
Anton Poplavskiy Deputy Chief Engineering and Simulation IRKUT Corporation
Solutions/ServicesLMS Imagine.Lab Amesim www.siemens.com/plm/lms-amesimLMS Imagine.Lab Sysdm www.siemens.com/plm/lms-sysdmLMS Imagine.Lab System Synthesis www.siemens.com/plm/lms-system-synthesisLMS Engineering www.siemens.com/plm/lms-engineering
Customer’s primary businessIRKUT Corporation is one of the leaders of the Russian aviation industry and is rated among the top 10 aircraft man-ufacturers in the world. IRKUT is part of United Aircraft Corporation. IRKUT provides design, manufacturing, market-ing and after-sales support of military and civil aircraft. Its product line includes the Su-30SM and Su-30MK multi-role fighters, Yak-130 new generation combat trainer, and components for the Airbus А320. The company also devel-ops the MC-21 commercial aircraft family. www.irkut.com
Customer locationMoscow Russia
“Model-based systems engineering allows IRKUT to reduce the number of tests,” says Poplavskiy. “Using LMS Amesim, we are able to predict and solve some potential problems as early as at the design stage and therefore to avoid troubleshooting later on, at the fine-tuning stage.”
In addition to LMS Engineering and the LMS Imagine.Lab platform (including LMS Amesim, LMS Sysdm and LMS System Synthesis), IRKUT currently employs LMS Virtual.Lab™ software for the aerodynam-ics analysis and landing gear design.
Other potential areas of collaboration between IRKUT and Siemens PLM Software have already been identified. Converting LMS Amesim plant models into real-time models of a Virtual Iron Bird (VIB) could become the next technical challenge to be overcome at IRKUT.
“Ourgoalistoproduceacompetitiveairplane,andSiemensPLMSoftwareofferstoolscoveringmostoftheneedstodothis.”Yury Logvin Deputy Director, Design Engineering Center IRKUT Corporation
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