{"id":71922,"date":"2026-06-22T12:00:55","date_gmt":"2026-06-22T10:00:55","guid":{"rendered":"https:\/\/www.tgm.solutions\/?p=71922"},"modified":"2026-06-22T12:01:00","modified_gmt":"2026-06-22T10:01:00","slug":"topology-optimized-aircraft-door-lightweight-construction-through-load-path-based-structural-design","status":"publish","type":"post","link":"https:\/\/www.tgm.solutions\/en\/leichtbaugarage\/topologieoptimierte-flugzeugtuer-leichtbau-durch-lastpfadgerechtes-strukturdesign\/","title":{"rendered":"Topology-Optimized Aircraft Door: Lightweight Construction Through Load-Path-Oriented Structural Design"},"content":{"rendered":"

The System \u2013 Topology-Optimized Aircraft Door<\/h2>\n\n\n\n

The aircraft door, developed as part of the collaboration between SOGECLAIR and voxeljet, is a high-load structural subsystem of the fuselage. It ensures cabin pressure integrity, emergency opening functionality, and long-term fatigue resistance.<\/p>\n\n\n\n

As part of the primary structure, the door must accommodate complex load paths resulting from pressure cycles, hinge forces, and crash and impact scenarios, while simultaneously ensuring tight tolerances and reliable sealing systems. In this project, the door was not viewed as a traditional assembly consisting of ribs and sheet metal panels, but rather as an integrated load-bearing system in which structural efficiency and manufacturability are optimized together.<\/p>\n\n\n\n

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Image source:<\/strong> voxeljet (SOGECLAIR\u2013voxeljet as a current example from the industry; no connection to TGM)<\/p>\n\n\n\n

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The technology<\/h2>\n\n\n\n

The development approach combines topology optimization, advanced simulation, and additive-enabled casting processes into an end-to-end digital process chain.<\/p>\n\n\n\n

SOGECLAIR's engineering teams used optimization software such as Altair HyperWorks to iteratively analyze various load cases\u2014particularly compressive loads and structural stresses\u2014and determine the optimal material distribution.<\/p>\n\n\n\n

The resulting bionic, load-path-oriented geometry was then validated for manufacturability through casting simulation and produced using 3D-printed PMMA models from voxeljet. These prototypes enabled the precise investment casting of aluminum components and combine the design freedom of additive manufacturing with the industrial maturity of conventional casting processes.<\/p>\n\n\n\n

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The lightweight aspect<\/h2>\n\n\n\n

The key result of the topology-optimized aircraft door is a significant reduction in structural mass of up to approximately 30 %, while maintaining or improving stiffness and strength.<\/p>\n\n\n\n

Material is concentrated exclusively along the primary load paths, eliminating the redundant reinforcement structures found in conventional designs. This not only results in an improved stiffness-to-weight ratio, but also reduces the number of components and simplifies assembly.<\/p>\n\n\n\n

From a systemic aviation perspective, these weight savings have a direct impact on fuel consumption and CO\u2082 emissions over the aircraft\u2019s entire life cycle. This makes topology optimization a key enabler for the next generations of lightweight aircraft structures.<\/p>\n\n\n\n

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Source article here:<\/strong> https:\/\/www.voxeljet.com\/additive-manufacturing\/case-studies\/aerospace\/topology-optimization-in-aviation\/<\/a><\/p>\n\n\n\n

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<\/p>","protected":false},"excerpt":{"rendered":"

Das System \u2013 Topologieoptimierte Flugzeugt\u00fcr Die im Rahmen der Zusammenarbeit zwischen SOGECLAIR und voxeljet entwickelte Flugzeugt\u00fcr stellt ein hochbelastetes strukturelles Subsystem des Rumpfes dar. Sie gew\u00e4hrleistet Kabinendruckdichtheit, Not\u00f6ffnungsfunktionalit\u00e4t sowie langfristige Erm\u00fcdungsfestigkeit. Als Teil der Prim\u00e4rstruktur muss die T\u00fcr komplexe Lastpfade aus Druckzyklen, Scharnierkr\u00e4ften sowie Crash- und Aufprallszenarien aufnehmen und gleichzeitig enge Toleranzen sowie zuverl\u00e4ssige Dichtsysteme […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"Topologieoptimierte Flugzeugt\u00fcr: 30 % leichter durch moderne Leichtbau- und Fertigungstechnologien","_seopress_titles_desc":"Eine topologieoptimierte Flugzeugt\u00fcr reduziert das Gewicht um bis zu 30 %. 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