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Bauingenieur

Alle Ausgaben: Bauingenieur

Bauingenieur Jahrgang 92 (2017) Heft 05 ISSN Online: 0005-6650

Treffer in den folgenden Teilen:

T. Rabczuk, C. Anitescu, C. L. Chan Eine auf Randpunkten basierte hierarchische Spline Parametrisierung für zwei- und dreidimensionale Strukturen/A hierarchical spline parametrization method for solid structures from boundary point-cloud data S. 191-199

„… Engineering, Vol. 199 (2010), Iss. 58, pp. 264–275. [11] Farin, G.: Curves and Surfaces for CAGD: A Practical …” „… Bauingenieurwesen angewendet. Abstract A method for discretizing solid 2D and 3D models obtained from surface …” „… efficiently represent the surface details without a significant increase in the number of interior elements …”

doi.org/10.37544/0005-6650-2017-05

VDI Wissensforum GmbH - Kupplungs- und Bremssysteme für mobile und stationäre Anwendungen

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VDI Wissensforum GmbH (Hrsg.)

Kupplungs- und Bremssysteme für mobile und stationäre Anwendungen

Reihe: VDI-Berichte

Band 2414 2023

Treffer in den folgenden Teilen:

P. Strobl, T. Schneider, K. Voelkel, K. Stahl Influence of the Steel Plate on the Friction Behavior of Automotive Wet Disk Clutches S. 21-48

„… , School of Engineering and Design, Department of Mechanical Engineering, Gear Research Center (FZG …” „… areal surface topography measured with an optical system using focus varia-tion. We discuss differences …” „… . Results show an influence of the steel plate surface finish on the CoF level. Therefore, the surface …”

L. Pointner-Gabriel, K. Voelkel, H. Pflaum, K Stahl A Methodology for Data-driven Modeling and Prediction of the Drag Losses of Wet Clutches S. 125-154

„… Stahl, Technical University of Munich, School of Engineering and Design, Department of Mechanical …” „… Engineering, Gear Research Center (FZG), Garching near Munich, Germany Kurzfassung In nasslaufenden …” „… . The reduced oil-wetted surface and the lower viscosity of the oil-air mixture cause the drag torque to …”

I. Minas, N. Morris, S. Theodossiades, M. O’Mahony, J. Voveris A Methodology to Study Automotive Brake and Dry Clutch NVH S. 155-168

„… , Wolfson School of Mechanical, Electrical and Manufacturing Engineering, Loughborough University, United …” „… Kingdom; M. O’Mahony, J. Voveris, Ford Engineering Research Centre, Dunton, Laindon, Essex, United Kingdom …” „… clutch disc hardware and representative pressure plate surface using a pin-on-disc tribometer. The …”

C. Sax, A. Stroh, R. Leister, M. Dreisbach, J. Kriegseis, C. Denda, P. Bürk Fluid-mechanical evaluation of different clutch geometries based on experimental and numerical investigations S. 109-124

„… overprinted case indicates, that the structuring of the previously smooth surface neighboring the groove leads …” „… sliding bearing subject to centrifugal effects. In: Trans. Jpn, Society Mechanical Engi-neering, vol. 49 …” „… parallel fric-tional plates in hydroviscous drive. Chinese Journal of Mechanical Engineering 25(1), 144–152 …”

doi.org/10.51202/9783181024140

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wt Werkstattstechnik online

Alle Ausgaben: wt Werkstattstechnik online

wt Jahrgang 112 (2022) Heft 06 ISSN Online: 1436-4980

Treffer in den folgenden Teilen:

Roman Funke, Andreas Schubert, Torsten Schmidt, Jan Edelmann Mikrostrukturierung von Bohrungsmantelflächen/Microstructuring of bore shell surfaces S. 430-435

„… diskutiert.Microstructuring of bore shell surfacesMicrostructuring of the surface of components can significant-ly improve …” „… , thermodyna-mics, and joining and coating technology. One of the goals of production engineering is to develop …” „… highly efficient and robust manufacturing processes for the microstructuring of surfaces for industrial …”

Max Horn, Matthias Schmitt, Georg Schlick Grüner Laser fertigt filigranste Kupferstrukturen/Green laser manufactures filigree copper parts S. 368-371

„… manufacturing of the geometry, surface finishing plays an important role. Thus, suitable post-proces-sing …” „… Thermal Engineering, vol. 21, no. 16, S. 1593–1605, 2001, doi: 10.1016/s1359–4311(01)00042–4[2 …” „… additive manufacturing of the geometry, surface finishing plays an important role. Thus, suitable …”

Benjamin Schneider, Stephan Schüle, Mehmet Kürümlüoglu, Oliver Riedel, Josip Zilic Praxisorientierter Technologietransfer für ASE/Practice-oriented technology transfer for ASE S. 390-394

„… Systems Engineering in der Praxis: „Mobiles Plug-In Labor“Praxisorientierter Technologietransfer für ASEB …” „… – Advanced Systems Engi-neering (ASE). Das „Mobile Plug-In Labor“ unterstützt Unter-nehmen bei der …” „… Engineering (ASE). The „Mobile Plug-In Lab“ supports compa-nies in the realization of digitalized product …”

Tim Grotz, Joachim Kleylein-Feuerstein, Frank Döpper Referenzbauteil für die additive Materialextrusion/Multi-functional reference part for material extrusion S. 361-367

„… Drying Processes. Key Engineering Materials 902 (2021), pp. 101–106[18] Cardona, C.; Curdes, A. H …” „… Verlag 2003[22] Campbell, R. I.; Martorelli, M.; Lee, H. S.: Surface roughness visualisa-tion for rapid …”

doi.org/10.37544/1436-4980-2022-06

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VDI Wissensforum GmbH (Hrsg.)

Dritev 2023

Reihe: VDI-Berichte

Band 2420 2023

Treffer in den folgenden Teilen:

T. Schneider, K. Völkel, K. Stahl Failure Characteristics of Wet-Clutches in Limited Slip Differentials S. 307-324

„… Engineering and Design, Technische Universität München, GarchingVDI-Berichte Nr. 2420, 2023 307 Abstract Wet …” „… temperatures up to 300°C. In contrast, critical hot spots involved plastic deformation, surface cracks, and the …” „… transformations, as well as plastic deformations of the surface due to high temperatures and mechanical loads …”

Z. Liu, S. Rinderknecht A sequential adaptive sampling strategy for surrogate model construction of transmission losses S. 425-440

„… engineering field. VDI-Berichte Nr. 2420, 2023428 Table 1: Comparison of common surrogate methods …” „… during the load transfer, while no-load contributions come from the oil splashing and the surface contact …” „… no-load losses, due to the relative movement between the contact surfaces and with the lubri-cant. In …”

J. Bonifacio, V. Warth, S. Scharr Optimizing sustainable high-performance e-drives S. 349-358

„… a positively influenced cooling situation. Simulations show that the relevant cooling surface …” „… reaches ~75% of the winding head surface comparable to a backside of a hairpin stator, whereas the …” „… relevant heat transfer surface on a hairpin stators frontside can drop to figures around 35%-40%. Fig. 3 …”

P. Geradts, M. Kasten, A. Landvogt Psychoacoustic optimization of the NVH behavior of an eDrive power train – Application of a Targeted Micro Geometry Scatter on Helical Gears to break-up the regularity of the transmission error excita... S. 459-470

„… between the Laboratory of Machine Tools for Production Engineering (WZL) of RWTH Aachen, Klingelnberg GmbH …” „… of the structure or modifying the paths of the vibrations from the source to the radiating surfaces …” „… . Encapsulation, a combination of damping and isolation, of the radiating surfaces, is employed for these passive …”

D. Schweigert, B. Morhard, F. Oberneder, L. Pointner-Gabriel, M. Otto, K. Stahl Speed4E: Simulative and Experimental Results on the Vibration Behavior of a High-Speed Planetary Gearbox S. 441-458

„… Mechanical Engineering, Gear Research Center (FZG), School of Engineering and Design, Technical University of …” „… analysis below. Sensor ch1 is positioned directly above the ring gear on the housing surface. The sensors …” „… run through a run-in program lasting several hours to smoothen the surface roughness of the gear …”

H. Sandquist, E. Barrientos, S. Klacar Systemized Modular Approach for Electric Drive Unit Family Development S. 89-106

„… constant connectivity and increasing environmental concern. Thanks to the structured Systems Engineering …” „… as framework to address multiple vehicle architectures simultaneously. Using a Systems Engineering …” „… Engineering backgroundTo derive the requirements for a modular propulsion system, there is a fundamental need …”

J. Ahn, S. Yang Disconnect Actuator System (DAS) for AWD EV’s Driveline – Increasing electric efficiency, Seamless shifting system S. 115-130

„… mechanical elements of the auxiliary driveline is required. A systematic engineering analysis was performed …” „… between tires and road surfaces inevitably make them less efficient than 2WD vehicles. As a result, the …” „… other noises in the ICE. The next chapter describes the engineering process to optimize the layout and …”

T. Hofman, J. Van Kampen, O. Borsboom Electric Mobility Design – From Powertrain Components to Vehicle Fleet Optimization S. 391-410

„… VDI-Berichte Nr. 2420, 2023 391from chemistry and electrical engineering to law and psychology. All working …” „… engineering process used in industry to derive architectures is often tedious and informal, resulting in …” „… (typically total-cost-of-ownership). The key questions relate to how to automatically extract engineering …”

doi.org/10.51202/9783181024201

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VDI Wissensforum GmbH (Hrsg.)

SIMVEC 2022

Reihe: VDI-Berichte

Band 2407 2022

Treffer in den folgenden Teilen:

M. Denk, J. Mayer, S. Wartzack Fully Automated Reconstruction of Topology Optimization Results with Feature Transformation and Curve Skeletonization! S. 501-512

„… curves start within the geometry and often have to be manually extruded onto the surface. In this work …” „… , this skeletonization is modified so that the individual curves usefully begin at the surface. The …” „… process, center surfaces [1] and center axes [2]–[5] in the geometric bodies are first extracted, from …”

D. Bäder, S. Eibl, C. Wolf, P. Kolar, A. Oliva, F. Meyer 3D CFD Simulations of Snow Accumulation in the Wheel House of a Vehicle at different Driving Speeds S. 1-20

„… ], [10], and the like, flows with free surfaces, e.g., rain simulations [5], [11], [12], [13], [9], Water …” „… flat and almost perfectly levelled ice surface, which is several 100 m long. On the test day, about 3 …” „… to 4 cm of fresh snow fell on the ice surface. The temperature was between -0.5 °C and 2 °C. Under …”

J. Lee, S. Rehfeldt, H. Klein, D. Bäder, A. Eisenträger, J. Kuhnert, I. Michel Two-phase water evaporation MESHFREE CFD method for wet automotive component dry-out time prediction S. 33-44

„… in the Finite Pointset Method (FPM) to simulate the free water surface evaporation phenomenon at the …” „… occurs at the free surface between water and air, where many factors play roles [4]. Nevertheless, it is …” „… corrosion effects of automotive components. Since water stagnated on solid or metallic material surfaces for …”

S. Rafiee Experimental and theoretical prediction of a micromechanics-based stress state dependent failure model for ductile materials in ABAQUS, LS-DYNA and PAM-CRASH S. 231-248

„… side of the Forming Limit Curve (FLC). For elasto-plastic material models with smooth yield surface and …” „… bifurcation theory to describe the behavior of an FLC which arises from a vertex on the yield surface, by …” „… material The true stress–strain curve represents the yield surface of materials and is an essential …”

N. Klinke, F. Schewe, B. Scholemann On the application of machine learning for the prediction of feasibility and thermal performance of cooling plates for battery electric vehicles S. 543-554

„… . As shown in [2], only the bare metal surfaces are bonded, while the painted surface remains separated …” „… process. It uses multi-scale geometric neural networks, through a combination of surface such as geodesic …” „… optimisation using machine learning to emulate engineering expertise, 14th World Congress of Structural and …”

M. Styrnik Data Analytics für die robuste Fahrzeugauslegung unter Berücksichtigung von Fertigungsstreuungen S. 337-348

„… „Engineering-Judgement“ definiert werden. 2. Diese Vorauswahl wird nun einem weiteren „Screening“ unterzogen. Das …” „… Modelkomplexität und erzeugt daraufhin über ein Quasi-Monte-Carlo-Verfahren eine Response-Surface, welche eine …” „… Response-Surface-Topologie in einem lokalen Bereich. Die hierbei gewonnenen Erkenntnisse können einerseits genutzt werden, um …”

F. Chinesta, R. Magg Empowering car design, maintenance and operation from advanced model order reduction and AI technologies S. 523-534

„… use of physics-based models, were the main protagonists of the last century engineering. For that …” „… engineering, demands at addressing the real system (instead of on its nominal representation) in operation …” „… technologies are very valuable in the main domains of engineering: (i) design, (ii) predictive maintenance, and …”

P. Schwanitz, L. Greve, F. Moldering Towards AI Based REcommendations for Design Improvement (AI-B-REDI) – A joint research project of Volkswagen, Audi, Porsche, Fraunhofer SCAI, SCALE GmbH and SIDACT GmbH S. 299-314

„… changes) of other engineering teams, in particular those working on other load cases, might introduce …” „… method from SCAI uses a geometrical approach to compactly represent information on surfaces using a …” „… approaches together with SCALE.result (CAViT) help to speed up the engineering process since they allow to …”

F. Beyer, A. Schumacher, T. Pohl Neue Möglichkeiten der Graphen- und Heuristikbasierten Topologieoptimierung von 3D-Crash-Strukturen durch detaillierte Modellierung der Verbindungsknoten S. 213-224

„… - 5 Hier wird HyperMesh der Altair Engineering Inc. verwendet VDI-Berichte Nr. 2407, 2022 215 …” „… Surface Methode von LS-OPT evaluiert. Das Verfahren muss mit Phänomene, wie: - simuliertes Versagen der …”

doi.org/10.51202/9783181024072

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