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      <title>Aerospace &amp; Defense</title>
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      <description>Aerospace &amp; Defense</description>
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      <![CDATA[ Faq block ]]>
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      <link>https://blog--3ds--com.apsulis.fr/brands/3dexcite/faq-block/</link>
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      <pubDate>Thu, 20 Nov 2025 15:27:29 GMT</pubDate>
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What does Dassault Systèmes do?We provide virtual twin experiences to help companies sustainably push the boundaries of innovation, learning and production. Through our 3DEXPERIENCE platform and applications, we empower companies of all sizes to freely test their ideas, products and experiences while providing all stakeholders across the product development process a holistic, real-time vision of all business activity and the extended ecosystem.What does Dassault Systèmes sell?We sell the 3DEXPERIENCE platform, which is comprised of products from our 13 brands that create great user experiences and build vibrant user communities.Why do customers choose Dassault Systèmes?Our customers’ reasons for choosing Dassault Systèmes are as varied as the 370,000+ organizations who use us! Boil it down, however, and they all revolve around our stable 40+-year track record of innovation and our unique ability to improve not only their products, but also their processes – an area we plan to expand aggressively in the coming years. Our customers trust us to help them thrive in a chaotic, fast-shifting business environment – and to do so in ways that will also accomplish their sustainability goals. ]]>
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      <![CDATA[ TEST ]]>
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      <guid>https://blog--3ds--com.apsulis.fr/guid/275360</guid>
      <pubDate>Fri, 13 Jun 2025 06:34:52 GMT</pubDate>
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      <![CDATA[ 
H2 – Default



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Index



m2, m3



H2O, CO2







Example



Condimentum enim pretium malesuada leo cubilia. Orci libero viverra curabitur nostra primis felis proin commodo. Nunc proin integer scelerisque fusce vivamus ullamcorper dictum nibh senectus congue. Est eu venenatis integer torquent conubia dictum vivamus euismod sed mattis libero1.



Sapien nullam ligula tristique nascetur litora posuere leo. Ridiculus magna nisl mauris maximus placerat mattis lectus aliquet eu cursus. Eleifend turpis placerat id pretium interdum orci pharetra leo augue mus potenti. Curae turpis primis facilisis cubilia quam justo arcu. Sed faucibus letius maximus ligula porttitor eleifend habitasse luctus sagittis sollicitudin ad. Augue ornare fames CO2 aliquam commodo dui nascetur sociosqu letius. Luctus velit tellus pharetra placerat dignissim sagittis interdum dictum.



Hendrerit nunc curae ipsum nisl nec eros. Neque erat odio tempor tempus malesuada tristique faucibus. Aptent mus odio leo phasellus H2O ullamcorper. Hac litora aliquet in lectus mauris auctor elementum vehicula risus condimentum. Inceptos molestie pede nascetur parturient ipsum feugiat semper aliquet. Eros habitant dignissim ridiculus est magna sed vel imperdiet.



Commodo tincidunt turpis felis sollicitudin nisi vel. Metus rhoncus leo et placerat vehicula felis venenatis faucibus. Penatibus mus suspendisse lobortis iaculis nisi mi aenean proin pede. Litora dolor finibus dapibus hendrerit nunc morbi quam facilisi maximus ornare duis2. Sed si efficitur duis facilisis ullamcorper mauris felis feugiat commodo rutrum magna. Faucibus aptent pharetra dictumst duis venenatis porttitor quisque magnis.



Maecenas in letius rutrum fames sed lacinia dignissim nascetur eros. Turpis facilisi semper aliquet enim torquent habitasse aptent lacus magnis suspendisse dignissim. Nunc tempus purus platea pretium vivamus. Etiam convallis metus letius nascetur sagittis lorem. Vestibulum nisi per porta convallis pulvinar euismod est curabitur dapibus ultricies commodo. Tempus per pretium vulputate quisque rhoncus feugiat integer lacus fringilla tempor magna. Sodales tincidunt nascetur odio torquent penatibus. Dignissim erat parturient quisque mus fames euismod bibendum nascetur magna. More information here.















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                1/3The systematic operation of milk production in a factory, emphasizing the precision and technology involved in the process







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3D illustration of the cycle of manufacturing, consumption and recycling







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Other images



The systematic operation of milk production in a factory, emphasizing the precision and technology involved in the process







Solving climate change means unifying science and AI to create a sustainable future








Malesuada feugiat commodo 3DEXPERIENCE urna hac ligula facilisis dapibus italique eu. Nibh taciti lacinia turpis pede eleifend urna italic si phasellus imperdiet. Donec augue highlight urna ad curabitur aliquam convallis fringilla imperdiet magna. Internal link and external link.








Number Lists




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Felis elementum pharetra lacinia scelerisque dictum nulla ultricies. Mi at vivamus nibh tempus etiam mauris urna orci nullam malesuada vel. Velit duis felis mollis blandit rutrum vitae tellus eleifend facilisi dis.



Aliquam eu nam efficitur pede condimentum urna rhoncus dis et himenaeos. Ultrices nostra eget adipiscing nunc ad quisque porttitor cursus luctus. Laoreet magnis elementum donec tellus morbi. Natoque himenaeos purus duis blandit iaculis laoreet sed lobortis consectetuer volutpat adipiscing. Dictumst efficitur ullamcorper luctus nec in mattis sodales ac.



Sit pharetra eros euismod commodo convallis amet efficitur porta sed placerat neque. Condimentum nascetur penatibus praesent curabitur potenti augue arcu dictum. Etiam adipiscing finibus himenaeos netus urna leo pulvinar fermentum. Sollicitudin quam faucibus accumsan dictumst urna mollis. Senectus adipiscing iaculis laoreet pretium sociosqu consectetuer faucibus.













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Est diam dapibus luctus

Eleifend litora elit curabitur tempor consectetuer proin quis egestas vitae. Litora netus id scelerisque viverra finibus primis taciti laoreet felis bibendum.



Himenaeos aliquet torquent lectus nam posuere class. Lorem cursus primis nam nibh ullamcorper.



Dignissim a habitasse conubia sed justo quis. Sollicitudin quis molestie finibus ante laoreet vel nibh taciti tellus. Consequat arcu sapien nascetur maecenas duis penatibus felis ante. Luctus non euismod faucibus praesent lectus.





In vulputate dui feugiat inceptos cras

In fermentum rutrum pharetra dictum netus. Suscipit vestibulum odio sodales proin semper molestie in vivamus dapibus euismod. Ligula potenti class cursus nullam himenaeos vestibulum euismod semper letius accumsan fames. Hendrerit porttitor volutpat dui consectetur sapien.



Natoque felis sodales platea elementum quam cubilia. Sapien lacinia egestas dui tortor accumsan et massa vehicula velit sollicitudin. Mollis suspendisse cras turpis duis elit massa montes vel nascetur egestas potenti.



Magnis consequat venenatis commodo aptent et nostra netus justo si. Tempus posuere praesent ipsum cras molestie imperdiet quam ornare erat.





Litora augue dui efficitur

Proin aliquam eget neque magnis ad aptent blandit venenatis inceptos dis. Orci condimentum hac auctor efficitur diam fames nascetur aliquet. Mollis conubia fermentum dapibus accumsan penatibus turpis.



Volutpat ultricies feugiat morbi nec efficitur nascetur magna natoque aenean. Nisl euismod consectetur sapien dictum id. Curabitur venenatis volutpat ligula enim a natoque viverra himenaeos vulputate massa mauris. Diam amet felis ultricies mus torquent integer suscipit quisque pretium.



Ornare montes pulvinar tincidunt sociosqu integer fermentum eros ultrices. Vehicula curae nulla feugiat viverra justo. Montes egestas efficitur etiam phasellus finibus faucibus taciti est fringilla eget convallis. Mi viverra venenatis facilisi pellentesque tempor porttitor bibendum consectetuer.














Bullet Lists




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Class dictum fusce sodales nec inceptos senectus libero ultrices at. Pretium elementum scelerisque mus facilisi justo ante aliquam sodales ultrices convallis efficitur. Taciti sapien ultrices nec fringilla morbi parturient in. Pede consectetuer ullamcorper tortor cubilia pulvinar non praesent. Himenaeos suscipit penatibus justo hac urna elementum orci. Nostra pulvinar suscipit montes dictum integer sapien dapibus bibendum duis eget a.



Letius magnis vulputate habitant augue scelerisque accumsan massa nostra. Ornare feugiat quam elit euismod odio fermentum malesuada eros tincidunt urna lectus.



Morbi sem gravida in consectetur vehicula. Laoreet praesent eleifend scelerisque proin curae nec ultricies vehicula turpis tempor eu. Libero fringilla arcu ad malesuada tristique. Fusce volutpat eget bibendum ridiculus mattis vivamus arcu purus. Nunc senectus dignissim tellus suscipit convallis himenaeos curabitur dictumst. Vel scelerisque viverra consectetur finibus aliquam. In cubilia ornare ridiculus hendrerit mollis sit ligula sollicitudin. Purus et lorem curae pellentesque lacus.









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Vivamus at est luctus fermentum neque ad

Dictum ridiculus ligula natoque imperdiet felis. Suscipit eu neque si magna cubilia fermentum. Suscipit viverra ac nunc odio ultricies feugiat fames lacus congue.



Montes nam quis laoreet sapien auctor tortor nec. Consequat viverra purus metus nibh porttitor cursus ex.



Himenaeos taciti erat risus consequat fermentum ullamcorper. Pede congue integer eu natoque amet dui conubia vestibulum justo. Congue rhoncus platea facilisis lacus laoreet conubia. Semper integer risus molestie lobortis fusce. Pede ullamcorper curae pulvinar odio ornare.





Montes neque arcu vel

Maecenas nisi odio lectus in consequat. Porta pretium aptent purus ridiculus leo gravida facilisis at. Imperdiet laoreet donec consectetuer tincidunt enim litora consectetur hendrerit montes facilisi.



Felis pulvinar parturient ad tincidunt himenaeos posuere. Maximus torquent habitasse finibus dignissim urna inceptos lectus mollis dictumst pretium.



Pellentesque mollis orci cubilia dictum nec consectetur. Est quisque praesent orci consectetuer malesuada tempus habitasse. Aenean sodales condimentum curabitur velit himenaeos. Malesuada eros aliquam lacinia fermentum letius proin.





Mus nascetur condimentum pede

Venenatis feugiat nostra consequat duis nam non pharetra dictum lacus sem. Ridiculus pulvinar suspendisse nullam penatibus sagittis rhoncus vitae id congue fames morbi. Ligula mus ultrices potenti nisi dictum.



Bibendum rhoncus nec eleifend senectus ante inceptos. Lacinia iaculis si posuere porttitor vel. Interdum faucibus letius condimentum id quam erat cursus nunc elementum.



Himenaeos fusce et curae cras lacus lectus sagittis duis imperdiet. Ex nisi ligula ac parturient nascetur purus torquent.








factory interior as industrial background





Phase 1 drawing



Phase 2 drawing



Solution video




























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      <![CDATA[ blockquote TEST ]]>
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      <link>https://blog--3ds--com.apsulis.fr/brands/biovia/blockquote/</link>
      <guid>https://blog--3ds--com.apsulis.fr/guid/275346</guid>
      <pubDate>Thu, 27 Feb 2025 09:12:58 GMT</pubDate>
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Tempus gravida condimentum sed torquent class donec scelerisque rutrum. Elit cras interdum habitant dis porta. Risus odio inceptos tristique ullamcorper in sed mi.









Malesuada feugiat commodo 3DEXPERIENCE urna hac ligula facilisis dapibus nascetur eu. Nibh taciti lacinia turpis pede eleifend urna italic si phasellus imperdiet. Donec augue highlight urna ad curabitur aliquam convallis fringilla imperdiet magna. Internal link and external link.









2 Malesuada feugiat commodo 3DEXPERIENCE urna hac ligula facilisis dapibus nascetur eu. Nibh taciti lacinia turpis pede eleifend urna italic si phasellus imperdiet. Donec augue highlight urna ad curabitur aliquam convallis fringilla imperdiet magna. Internal link and external link.





NEW Malesuada feugiat commodo 3DEXPERIENCE urna hac ligula facilisis dapibus nascetur eu. Nibh taciti lacinia turpis pede eleifend urna italic si phasellus imperdiet. Donec augue highlight urna ad curabitur aliquam convallis fringilla imperdiet magna. Internal link and external link.

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      <![CDATA[ Hydrogen: Aviation&#8217;s future NEW ]]>
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      <link>https://blog--3ds--com.apsulis.fr/brands/3dexcite/hydrogen-aviations-future-new/</link>
      <guid>https://blog--3ds--com.apsulis.fr/guid/275342</guid>
      <pubDate>Mon, 10 Feb 2025 14:35:44 GMT</pubDate>
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TEST
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      <![CDATA[ Debug redirection ZZZ ]]>
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      <link>https://blog--3ds--com.apsulis.fr/brands/catia/debug-redirection-zzz/</link>
      <guid>https://blog--3ds--com.apsulis.fr/guid/275337</guid>
      <pubDate>Thu, 23 Jan 2025 12:10:17 GMT</pubDate>
      <description>
      <![CDATA[ qsd qsd qsd qsd qsd qsd 
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      <![CDATA[ 
Lorem ipsum odor amet, consectetuer adipiscing elit. Aptent hac sociosqu velit adipiscing; dapibus litora praesent molestie ut. Pulvinar condimentum risus mi potenti lobortis, viverra diam hac. Vitae adipiscing aliquet phasellus nullam molestie curae. Lectus lorem est tortor bibendum scelerisque turpis malesuada. Nullam neque feugiat volutpat nunc proin vestibulum magnis. Interdum maximus duis phasellus mollis non mus natoque facilisi.



Eros vel faucibus phasellus nam massa dignissim mollis. Ullamcorper scelerisque nullam sociosqu porttitor ridiculus ultricies. Curabitur cursus class, dapibus nibh varius senectus porttitor. Augue aliquet blandit ut diam est elementum congue mauris amet. Nam consequat nam ac at venenatis; fringilla porta sit justo. Accumsan nulla diam tristique accumsan quis tellus accumsan. Sapien natoque facilisis porttitor facilisis, eu conubia.



Magnis semper lacinia vulputate maximus sociosqu habitasse. Ut feugiat torquent amet tortor inceptos luctus. Iaculis tempor fusce auctor sed magna ultrices eros eu. Dictumst magnis mattis hac ut aliquam. Nibh velit nunc sociosqu magna maximus facilisis vitae. Neque per lacus lacus et proin vestibulum a hac at. Sagittis auctor litora duis molestie sodales. Lacinia sapien nullam aenean quisque et netus. Nunc purus morbi et torquent tellus commodo. Rutrum ridiculus varius eget litora nibh phasellus.



Pulvinar aptent varius pulvinar sem in netus. Parturient non velit per suspendisse ridiculus ipsum duis fermentum imperdiet. Ultricies commodo eleifend habitasse potenti feugiat, porttitor tellus. Rhoncus facilisis mauris class accumsan; tellus phasellus himenaeos. Fringilla ligula morbi dapibus egestas commodo purus quam. Nam inceptos nibh quam sapien lacus mus. Efficitur imperdiet nisl fames facilisi ultrices urna. Hendrerit ad elementum fames enim congue quis egestas quisque. Amet convallis eros bibendum orci nunc placerat morbi augue.



Ad ornare ac; rutrum a metus massa nostra. Vitae eleifend torquent gravida scelerisque gravida fusce venenatis. Tortor sem ornare adipiscing torquent pharetra dis torquent pellentesque. Penatibus feugiat tellus diam aenean taciti. Turpis erat pretium laoreet fermentum; conubia dapibus ante rutrum. Ipsum netus vestibulum ante nunc fringilla aliquet.
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      <![CDATA[ [Do not delete] Videos ]]>
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      <link>https://blog--3ds--com.apsulis.fr/brands/enovia/do-not-delete-videos/</link>
      <guid>https://blog--3ds--com.apsulis.fr/guid/273735</guid>
      <pubDate>Fri, 10 Jan 2025 12:29:00 GMT</pubDate>
      <description>
      <![CDATA[ To test videos (Internal or YouTube).
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      <title>
      <![CDATA[ Navigating toward 2050: The low-carbon transformation of aerospace ]]>
      </title>
      <link>https://blog--3ds--com.apsulis.fr/industries/aerospace-defense/navigating-toward-2050-the-low-carbon-transformation-of-aerospace/</link>
      <guid>https://blog--3ds--com.apsulis.fr/guid/274627</guid>
      <pubDate>Wed, 04 Dec 2024 16:54:51 GMT</pubDate>
      <description>
      <![CDATA[ Charting the aviation industry’s journey to a low-carbon future. 
 ]]>
      </description>
      <content:encoded>
      <![CDATA[ 
In a future defined by stringent carbon budgets and ambitious sustainability goals, the aviation industry faces the dual challenge of maintaining growth while drastically reducing its carbon emissions. The Paris Agreement, adopted in 2015, underscored the need for immediate and significant reductions in greenhouse gas (GHG) emissions to limit global warming to 1.5°C above pre-industrial levels.



This blog post explores what a low-carbon industrial system might look like in 2050, focusing on the aviation sector&#8217;s decarbonization strategies and their alignment with global climate targets.



Carbon budget allocation for the aviation industry



The Intergovernmental Panel on Climate Change (IPCC) report published in March 2023 emphasizes that achieving net-zero emissions by 2050 is essential to limit the global temperature increase to 1.5°C. For the aviation industry, this means operating within a constrained carbon budget. This strict allocation necessitates a profound transformation in the industry’s operations, technologies, and energy sources to meet these targets while maintaining growth.



The implementation of increasingly restrictive carbon quotas will necessitate a sectoral allocation of the global carbon budget. This approach ensures that each industry, including aviation, adheres to its fair share of emissions reductions. Policymakers and industry leaders must collaborate to establish and enforce these quotas, balancing economic growth with environmental responsibility.



Decarbonization strategies



Decarbonizing the aviation industry involves a multifaceted approach targeting Scope 1 (direct emissions), Scope 2 (indirect emissions from energy), and Scope 3 (other indirect emissions). The strategies focus on sustainable practices in the production of raw materials, energy consumption, and the adoption of alternative fuels.



Scope 1: Direct Emissions




Sustainable raw materials: Shifting production toward more sustainable practices for widely used raw materials including using renewable energy for electrolysis is crucial. Innovations in material science can lead to lighter, more fuel-efficient aircraft, reducing overall emissions. Utilizing composite materials like CFRP (carbon fiber reinforced polymer) contributes to lighter aircraft, enhancing fuel efficiency.



Circular Economy Initiatives: Emphasizing the recyclability of materials such as aluminum, titanium and copper can significantly reduce the demand for virgin materials and lower the industry&#8217;s carbon footprint.




Scope 2: Indirect Emissions from Energy




Low-Carbon electricity consumption: Electrifying ground operations and ensuring that all electricity used in production processes comes from low-carbon or renewable sources are pivotal. This includes transitioning airport operations to green electricity and integrating renewable energy into the supply chain.



Fossil-free transportation and external supply chain: Implementing fossil-free transportation methods for materials and optimizing supply chains are essential. This involves using electric or hydrogen-powered vehicles for transportation and adopting digital transformation tools to minimize emissions associated with logistics.




Scope 3: Other Indirect Emissions




Alternative Fuels: SAFs, derived from renewable sources such as biomass and waste, are already available. The challenge lies in scaling up production to increase the SAF mix from a few percentages to 100%. This can significantly reduce the carbon footprint of aviation in the short to medium term.



Hydrogen: Hydrogen-powered aircraft are expected to become commercially viable by 2050. These aircraft offer a promising solution for zero-emission flights, especially for short to medium-haul routes, complementing the use of SAFs, eFuels, and biofuels.




Impacts of climate change on the aerospace sector



The aerospace sector is still highly reliant on fossil fuels, which means that transitioning to low carbon emission energy will potentially disrupt the global supply chains, increase operational costs, and affect the affordability of air travel. Adapting to these challenges requires a regionalized biophysical systemic approach, focusing on resilience and sustainability.



The depletion of fossil fuel resources necessitates a shift towards energy efficiency and moderation. The aviation industry&#8217;s energy mix, currently dominated by fossil fuels, must transition to renewable sources. This shift is not only a response to resource scarcity but also a strategic move to mitigate the rebound effect, where increased efficiency leads to higher overall energy consumption.



Technological levers and behavioral changes



Achieving a low-carbon aviation industry by 2050 requires both technological innovations and significant behavioral changes.




Emphasizing circular economy practices, where resources are reused and recycled, is crucial. This approach minimizes waste, reduces the demand for virgin materials, and lowers the industry&#8217;s carbon footprint.



Continuous improvements in energy efficiency, both in-flight and on the ground, are essential. Innovations such as advanced aerodynamics, more efficient engines, and optimized flight paths can contribute to substantial emissions reductions.



The industry must foster a culture of sustainability among all stakeholders, from manufacturers to airlines and passengers. Encouraging responsible travel behavior, such as choosing direct flights and reducing unnecessary travel, can complement technological advancements.




Role of major aircraft manufacturers



Major players have a pivotal role in achieving the 1.5°C target. Their commitment to innovation and sustainability sets the pace for the entire industry. These companies are investing heavily in research and development to bring new, cleaner technologies to market.



They have been at the forefront of the aviation industry&#8217;s decarbonization efforts.



Improving the efficiency of freight operations and supply chains is a critical component of one major aircraft OEM’s sustainability strategy. By optimizing logistics and adopting digital transformation tools, the company aims to minimize emissions associated with the transportation of materials and components.



Another OEM is pioneering the use of recycled aluminum and developing new alloys that require less energy to produce. The company is also investing in technologies to recycle titanium and other high-value materials, reducing waste and conserving resources.



Conclusion



The aviation industry&#8217;s journey towards a low-carbon future is both challenging and essential. By adopting innovative technologies, embracing circular economy practices, and fostering behavioral changes, the industry can significantly reduce its carbon footprint. The collaborative efforts of major players, supported by stringent carbon quotas and sectoral allocations, are crucial in achieving the 1.5°C target and ensuring a sustainable future for aviation.
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      <title>
      <![CDATA[ How Dassault Systèmes technology is bringing electric air taxis closer to reality ]]>
      </title>
      <link>https://blog--3ds--com.apsulis.fr/industries/aerospace-defense/how-dassault-systemes-technology-is-bringing-electric-air-taxis-closer-to-reality/</link>
      <guid>https://blog--3ds--com.apsulis.fr/guid/273114</guid>
      <pubDate>Wed, 20 Nov 2024 06:00:00 GMT</pubDate>
      <description>
      <![CDATA[ Joby Aviation is the first eVTOL company to complete three of five stages of FAA certification.
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      <content:encoded>
      <![CDATA[ 
The world is preparing for air travel of the future. The US Federal Aviation Administration (FAA) recently announced its final rule for powered lift operations, which include air taxis, cargo delivery and a variety of operations within urban and rural areas. The rule defines the qualifications and training needed for instructors and pilots to fly aircraft in this “powered-lift” category. The rule also addresses operational requirements, including minimum safe altitudes and required visibility.



“The rule is the final piece in the puzzle for safely introducing these aircraft in the near term,” said an FAA press release. “The opportunities for the use of powered lift operations are far reaching, from transporting passengers in urban areas and short-haul operations such as air ambulance services and cargo operations to potentially serving smaller communities over time.”



One company that is making huge progress in developing this new category of aircraft is Joby Aviation. In February 2024, it became the first electric air taxi developer in the world to complete three of the five stages&nbsp;of the FAA’s type certification process, which ensures aircraft design complies with regulations for safe and public use.



Joby’s electric air taxi is designed to carry a pilot and four passengers at speeds of up to 200 miles per hour (mph), offering high-speed mobility with zero operating emissions and a fraction of the noise produced by helicopters.



Its advancement through the first three stages of type certification is no mean feat: Joby submitted plans that covered all the aircraft’s structural, mechanical and electrical systems, as well as the company’s intended certification approach to cybersecurity, human factors and noise.



“We have to certify electric motors. We have to certify the battery systems. We have to certify the fly-by-wire electronics that enable pilots to fly these amazing new machines. That’s a lot of work,” said Eric Allison, Joby Aviation’s chief product officer. “We have to work with the regulators to define the safety requirements for this new class of technologies. We have to define how we’re going to meet those safety requirements. And then we have to work on all of the myriad of tests, all of the test plans, all of the things we have to do to show compliance with that set of rules that we’ve agreed with the regulators on. We’re deep into that process right now.”



Joby couldn’t have achieved what it has to date without fully standardizing on Dassault Systèmes technologies, including CATIA for design and ENOVIA for data management.



“This is really a big advantage for us, that we have a best-in-class system that we can use to track, manage and ultimately act on, manufacture and bring to market what started out as data and turns into the real world,” Allison said. “To create world-class technology, you have to use world-class technology.”







Joby is now progressing through the fourth stage of the certification process, which will see it complete tests and analysis for FAA credit covering every component and system on the Joby aircraft – as well as the entire aircraft itself. &nbsp;



“We have a clear path to certifying every aspect of our aircraft, and the team is full steam ahead on executing against that path as we continue to lead the industry to commercialization,” said Didier Papadopoulos, president of aircraft OEM at Joby, in a press release.



Find out how Dassault Systèmes solutions enabled Joby to establish a single digital thread across all its operations and is helping it to consider the requirements for certification at every step of development.




Get the full story

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      <![CDATA[ Characterization and evaluation tests of vortex ring state recovery techniques on helicopters and eVTOL ]]>
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      <link>https://blog--3ds--com.apsulis.fr/industries/aerospace-defense/solving-vortex-ring-state/</link>
      <guid>https://blog--3ds--com.apsulis.fr/guid/272095</guid>
      <pubDate>Mon, 04 Nov 2024 19:26:02 GMT</pubDate>
      <description>
      <![CDATA[ Vortex ring state is a dangerous phenomenon that can cause helicopters and eVTOLs to lose control during descent. Learn how Dassault Systèmes can play a crucial role in solving this problem. 
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      <![CDATA[ 
Today, we&#8217;re diving into a fascinating and technical topic: testing and evaluating techniques to mitigate the vortex phenomena in helicopters.



For decades now, the characterization and evaluation of vortex phenomenon in helicopter world has been a main topic. Why? Because it’s still misunderstood.



What is the Vortex Phenomenon in Helicopters?



The vortex phenomenon, or more precisely the vortex ring state, occurs when a helicopter descends too quickly into its own downwash, the turbulent air pushed down by its rotors. This creates a ring-like vortex pattern around the rotor blades, leading to a sudden and dramatic loss of lift. Essentially, the helicopter starts to sink into the vortex created by its own blades.



This phenomenon can be extremely dangerous. As the helicopter continues to descend, the lift generated by the rotor decreases, and the helicopter may enter an uncontrolled descent. Pilots often experience a significant reduction in control effectiveness, which can lead to accidents if not managed promptly. Understanding and preventing this condition is crucial for ensuring safe helicopter operations.



Techniques to Mitigate the Vortex Phenomenon



Mitigating the vortex ring state involves using specific flight maneuvers and operational strategies to either avoid entering this state or to recover from it effectively. Here are some of the key techniques that pilots can use to avoid, escape and recover from the vortex ring:




Avoidance: Pilots are trained to recognize the conditions that can lead to vortex ring state, such as high rates of descent at low forward airspeeds. By maintaining a steady forward airspeed during descents, pilots can prevent the helicopter from descending into its own downwash.



Controlled Descent: When a rapid descent is necessary, it should be performed with forward airspeed. This helps to ensure that the rotor blades are moving into clean air, preventing the formation of vortices.



Recovery Maneuvers: If a helicopter does enter vortex ring state, pilots can use specific recovery techniques. One common method is to push the cyclic forward to increase airspeed and reduce the descent rate, effectively flying out of the vortex. Another technique is to increase collective pitch cautiously to reduce the rate of descent while maintaining control.



Operational Procedures: Following standard operating procedures, such as limiting rapid descent rates and maintaining adequate forward speed, can also help avoid the onset of vortex ring state. &nbsp;




The research and testing process investigates how different maneuvers influence a helicopter&#8217;s ability to recover from VRS. By simulating and testing various techniques, we aim to gain insights into their practical effectiveness under real-world conditions. This ensures that pilots have reliable methods to employ when facing VRS, potentially preventing accidents during critical phases like landing or hovering.



How are These Tests Conducted?




Computer Simulations: Before flight tests, computer simulations model the behavior of vortices and the impact of different flight techniques.



Flight Tests: Experienced pilots test various maneuvers in controlled conditions to observe their effect on vortices.



Instrumentation: Helicopters are equipped with sensors to measure the strength and direction of vortices.



Data Analysis: Collected data is analyzed to evaluate the effectiveness of the tested techniques.




This structured testing approach ensures a thorough evaluation of recovery techniques, helping to develop best practices for pilots encountering vortex ring states during flight.



Dassault Systèmes&#8217; Role in Solving Vortex Ring States



The problem of VRS is not unique to helicopters; eVTOLs (electric vertical takeoff and landing aircraft) face the same risk. Both types of aircraft rely on vertical lift generated by rotors or propellers, and both can encounter VRS during vertical descents. Since eVTOLs are designed for urban air mobility (e.g., air taxis), they will frequently operate in confined airspaces with high takeoff and landing frequency. These conditions increase the likelihood of entering VRS, making it essential for eVTOLs to have effective VRS recovery techniques just like helicopters.



In fact, as eVTOLs are envisioned for more widespread commercial use, their pilots (or autonomous systems) will need to manage VRS to ensure passenger safety in highly trafficked urban airspace.



With the increased focus on autonomous flight systems, addressing VRS becomes even more critical, as these systems must be able to detect and recover from aerodynamic issues without human intervention.



Thus, the need to address these aerodynamic issues is becoming more urgent as the aerospace industry moves toward integrating eVTOLs into daily transport networks.



Dassault Systèmes, with our advanced modeling and simulation software, can play a crucial role in improving these techniques.



Modeling and Simulation




CATIA: Enables detailed modeling of helicopters and their components, facilitating structural and aerodynamic analysis.



SIMULIA: Used to simulate fluid dynamics and analyze vortex behavior around helicopters.



ENOVIA: Helps manage data and collaboration among development, testing, and analysis teams.




Analysis and Optimization




Data Science: Utilizing data analysis to optimize maneuvers and flight techniques.



Artificial Intelligence: Implementing AI to predict vortex behavior and suggest real-time adjustments.




Conclusion



The vortex ring state (VRS) is a critical issue for helicopters and eVTOLs, risking loss of control during descent. Evaluating recovery techniques through simulations, flight tests, and data analysis is essential to ensure safety. As eVTOLs become more common, addressing VRS becomes increasingly urgent.



Dassault Systèmes can play a crucial role in solving this problem. Our simulation platforms, like SIMULIA and CATIA, enable advanced modeling of VRS scenarios, optimizing recovery techniques in virtual environments.



Furthermore, Dassault Systèmes&#8217; expertise in digital twins—virtual models that replicate the real-world behavior of aircraft—can provide ongoing insights into performance during real flights. This allows for continuous monitoring, testing, and improvement of VRS recovery techniques. These solutions will not only support safer aircraft designs but also ensure that the next generation of air mobility vehicles, such as eVTOLs, meet the highest safety standards in the face of aerodynamic challenges like VRS.
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      <title>
      <![CDATA[ The cargo drone revolutionizing same-day delivery ]]>
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      <link>https://blog--3ds--com.apsulis.fr/industries/aerospace-defense/the-cargo-drone-revolutionizing-same-day-delivery/</link>
      <guid>https://blog--3ds--com.apsulis.fr/guid/271651</guid>
      <pubDate>Wed, 30 Oct 2024 06:00:00 GMT</pubDate>
      <description>
      <![CDATA[ Dronamics is the pioneering Bulgarian company behind the world’s first cargo drone airline. It’s developing a fleet of long-distance cargo drones with the vision of making same-day delivery available to everyone, everywhere.
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      <![CDATA[ 
Local communities across hundreds of Greek islands are set to gain access to a faster and more efficient way of receiving their deliveries. That’s because Dronamics is soon launching its first cargo drone delivery service there, transforming how essential goods reach these remote locations. With around 300 inhabited islands, Greece’s geography presents unique challenges for logistics and transportation, making it an ideal proving ground for Dronamics’ innovative cargo drone, called Black Swan. Capable of transporting payloads over long distances quickly and efficiently, the remotely piloted aerial vehicle (UAV) offers a faster, more cost effective, and environmentally friendly alternative to traditional air and sea freight methods.



Already licensed to operate its Black Swan drone in Europe over water and unpopulated areas, Dronamics is on a path to scale up its cargo operations. Its vision is to develop an entire fleet of Black Swan drones to form the world’s first cargo drone airline. Operating a network of droneports and mobile control and cargo systems, the company wants to make same-day delivery possible, even to the world’s most remote areas, all at a cost-effective price.



At the same time, the Bulgarian startup company is working towards achieving type certification for its UAV, which would put it on par with manned aviation standards in terms of safety and performance. The company’s use of Dassault Systèmes’ 3DEXPERIENCE platform on the cloud plays a critical role in this journey, supporting it to design, engineer, simulate, and operate its drone technology, and comply with all industry regulations every step of the way.



Dronamics’ Black Swan drone can carry up to 350 kilograms (770 pounds) over distances up to around 2,500 kilometers (1,550 miles). Even though it’s currently fueled by gasoline – the company is also exploring alternative, low and carbon-free fuels like SAF, biofuels and hydrogen – Dronamics claims that Black Swan is still up to 80% faster, 50% cheaper and produces 60% fewer emissions than other transportation methods.



To keep product development on track, Dronamics is managing everything from design to manufacturing within Dassault Systèmes’ single platform. This integration helps to make sure that each phase of the UAV’s lifecycle is tightly controlled and connected, keeping delays to a minimum and allowing for every part to be tested and refined before production.



The cloud-based platform also offers flexibility as Dronamics scales its operations. As the company’s needs grow, it can seamlessly add new capabilities – whether for managing manufacturing processes or overseeing flight and fleet operations – without disrupting existing workflows.



One of the key reasons Dronamics chose the 3DEXPERIENCE platform is for its virtual twin capabilities. It plans to use Dassault Systèmes’ advanced simulation capabilities to do everything from virtually testing the aerodynamics of its aircraft all the way through to simulating all cargo operations. This virtual twin will be used to refine the design of its drones and optimize every aspect at its drone ports.



“Using the virtual twin, we can simulate the cargo flows, including loading and unloading and cross docking, for example, to a last-mile delivery van,” said Yavor Nikolov, vice president of manufacturing and supply chain at Dronamics. “Testing all of this new technology in the virtual world before we invest in the infrastructure will help us operate much faster and more cost efficiently.”



Dronamics is set to make a substantial impact on local businesses and communities by providing a faster and more cost-effective air cargo solution. Discover how the company continues to innovate with Dassault Systèmes’ support and transform the logistics industry, making same-day delivery a real possibility for customers worldwide.




Get the full story





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