VDI Verlag eLibrary

The hierarchical finite cell method for nonlinear problems: Moment fitting quadratures, basis function removel, and remeshing

Simeon Hubrich

Series: Mechanik/Bruchmechanik

Volume 355 2021

Results in this title

Basis function removal for the FCM S. 79-123

„… 5 Basis function removal for the FCM Nonstandard discretization methods such as fictitious domain …” „… modifying the solu- 79 5 Basis function removal for the FCM tion. In the context of the extended finite …” „… the ansatz. In [152], Reusken presented a basis function removal strategy, referred to as modified …”

Summary and outlook S. 150-153

„… system matrix, we proposed a novel basis function removal strategy applied to the hierarchical shape …” „… removed from the ansatz. The performance of the proposed basis function removal strategy was studied in …” „… as in plasticity, we could show that the presented basis function removal improves the robustness of …”

Titelei/Inhaltsverzeichnis S. I-VII

„… : Moment fitting quadratures, basis function removal, and remeshing Vom Promotionsausschuss der Technischen …” „… – Numerical integration – Moment fitting quadratures – Basis function removal – Remeshing – Data transfer …” „… . Further, a basis function removal scheme is proposed to improve the conditioning behavior of the …”

A remeshing strategy for the FCM S. 124-149

„… an α = 10−q value with parameter q = 5 and µt = 0.1 as the threshold for the basis function removal …” „… of the basis function removal, we can see that applying a higher threshold value µt = 0.3 improves …” „… the basis function removal criterion leads to small deviations in the results of the final load steps …”

Introduction S. 1-5

„… conditioning behavior. In the scope of this thesis, we introduce a basis function removal approach applied to …” „… show that the combination of the basis function removal together with the fictitious material approach …” „… , we propose a basis function removal strategy applied to the hierarchical shape functions that removes …”

Bibliography S. 154-169

„… . Elfverson, M. G. Larson, and K. Larsson. CutIGA with basis function removal. Advanced Modeling and …” „… . [167] M. D. Buhmann. Radial Basis Functions: Theory and Implementations, volume 12 of Cambridge …” „… . van Zuijlen, and H. Bijl. Radial basis functions for interface interpolation and mesh deformation. In …”

doi.org/10.51202/9783186355188

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International Conference on Gears 2022

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2389 2022

Results in this title

D. Sackmann, T. Husemann, B. Karpuschewski The effect of a multi-stage grinding process on the barkhausen noise signal S. 695-706

„… , a wide variation of the specific material removal rate Q’W was done during rough grinding. It is …” „… . For this purpose, rough grinding with varying specific material removal rates Q’W is applied in order …” „… determined RMS-values are compared to each other as a function of the identified surface integrity …”

H.-J. Dennig, L. Zumofen, A. Kirchheim, S. Winterberg, D. Stierli Increasing the safety against scuffing of additive manufactured gear wheels by internal cooling channels S. 1345-1364

„… properties, manufacturability and powder removal. On the basis of these criteria, the combination shown in …” „… cross-section is, the better the heat transfer and the powder removal. The smaller the cross-section is, the …” „… into finding main functions and their solutions (Fig. 2). If the cooling channels are inside the gear …”

W. Kassem, M. Oehler, B. Sauer, S. Schmidt, J. Hausmann Investigation of the time-dependent behavior of plastic gears with local tribological simulation S. 1281-1294

„… modelled as a function of temperature and load velocity. The multi-physics simulation presented below …” „… 's modulus is specified as a function of temperature. For this purpose, temperature-dependent tensile tests …” „… plastic material model component, flow curves are specified as a function of temperature. In the case of …”

I. Hong, Z. Teaford, A. Kahraman A comparison of gear tooth bending fatigue lives from single tooth bending and rotating gear tests S. 45-74

„… lives as a function of stress for both sets of data. The resultant SN curves are compared to determine …” „… stressed volume at the root, which is a function of the applied load and root geometry. Secondly, the gear …” „… experiences is then a function of the tooth geometries, hub, web and rim compliances, and operating conditions …”

doi.org/10.51202/9783181023891

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Plastics in Automotive Engineering 2016

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 4343 2016

Results in this title

J. Soares, A. Misala First plastic oil-pan module in the 911 Carrera: lightweight design and system integration S. 165-180

„… section by means of selftapping screws. Various functions are implemented by the hot-gas welding together …” „… input into them. 166 Fig. 3: Oil-pan upper section showing the three main functions of the …” „… of the media lines carrier takes the form of a perforated plane which functions as an oil baffle …”

doi.org/10.51202/9783182443438

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PIAE Europe 2023

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2418 2023

Results in this title

F. Wazula, H. Tattko, A. Sumfleth Star panel of the Mercedes Benz EQS – New design meets new challenges S. 33-46

„… conflict of objectives for the component functions: on the one hand, sufficient rigidity for the …” „… defined wall thickness ratios of components 1 and 2 were basically in the right ballpark. On the basis of …” „… . 4.2 shows the concept for the laser-based removal of the stars on the back. VDI-Berichte Nr. 2418 …”

M. Fischer Smart front and rear panels by purposefully combined plastic processing S. 479-494

„… further deposition, sprue removal. VDI-Berichte Nr. 2418, 2023482The sliding table mold concept had been …” „… VDI-Berichte Nr. 2418, 2023 485The BMW front panel has been designed to integrate the defrosting function into …” „… part removal and film insert. VDI-Berichte Nr. 2418, 2023486 Cell concept for BMW iX front panel based …”

doi.org/10.51202/9783181024188

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ELIV 2023

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2423 2023

Results in this title

K. Fuchs, G. Hasenbichler How Data-driven Approaches Enhance Agile and Quality-assured Software Development for AD S. 663-672

„… Data-driven Approaches Taking Software Development for AD Functions to the Next Level DI (FH) Klaus Fuchs …” „… , AVL Software and Functions GmbH, Regensburg; DI (FH) Gernot Hasenbichler, AVL List GmbH, Graz …” „… important aspect in the development of automated driving functions is an advanced validation approach to …”

A. Beyfuß, M. Wirtz, T. Hein, J. Feng, P. Crowther, O. Forrest QuietComfort Road Noise Control – Helping Carmakers Design Better Cars S. 39-60

„… generally fully borne by the RNC function. The accelerometers can sometimes be located on the “dry side” of …” „… supports other infotainment functions. The computational resources to support a typical RNC algorithm are …” „… latency needed for RNC is generally lower than for other infotainment functions. This means careful …”

H. Ghezali, L. Trautmann, S. Witke, S. Herbold A Review of using Artificial Intelligence in Large Projects for Requirements Classification S. 573-588

„… these development phases are also evaluated. Basis for that are the EU regulations as well as the Bosch …” „… hardware, mechanics, and other non-SW teams. The data basis used (including oversampling) is summarized in …” „… SYS+SW(30)), respectively a removal of teams with their requirements in SYS-FL if they are not existing …”

doi.org/10.51202/9783181024232

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International Conference on Gears 2019

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2355 2019

Results in this title

T. Sturmlinger, A. Comak, A. Albers, S. Gerdhenrichs, R. H. Schmitt Methodical analysis and selection of auto identification systems in the gear box manufacturing S. 1509-1520

„… product functions, product geometry, production and Industry 4.0 potentials in a specific use-case. The …” „… Figure 1. In this contribution, especially the interdependencies between product function, embodiment …” „… which supports product and production engineers to consider interdependencies between product functions …”

L. Hui, X. Changl, Y. Shouw, L. Cheng, Z. Chen, L. Yu Research on Dynamic Drum Shape Modification of Helical Gear Pair S. 1011-1026

„… required on the basis of the profile modification[4]. For wide-toothed gears, especially in high-speed …” „… width vibration response and dynamic load distribution of the gear system are analyzed. On this basis …” „… , the Hertz contact stress is used as the calculation basis of the tooth surface contact stress, and …”

K. Matsuo, Y. Suzuki, I. Moriwaki Simulation of tooth flank profile in the gear honing process S. 1707-1724

„… , the simulations were not validated on the basis of actual machining experiments. Therefore, in this …” „… interpolation function. Similarly, a polynomial coefficient in the tooth trace direction is found by solving an …” „… the tooth trace interpolation function. (3) The nth-order polynomial coefficients in the tooth flank …”

M. Solf, C. Lopenhaus, T. Bergs Influence of elastic effects on the grinding force in plunging bevel gear grinding S. 1687-1696

„… determined. The results show that elastic effects have a significant influence on the material removal …” „… thickness of the machined gears can be determined on the basis of the given infeed. The difference between …” „… function of the maximum total infeed, no dwell time was set after reaching the maximum plunging depth …”

doi.org/10.51202/9783181023556

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ELIV 2021

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2384 2021

Results in this title

M. Wachs, J. Jager, A. Berthold The Crossroads of Automotive Security and GDPR S. 623-640

„… system or availability of a vehicle function. Privacy risks can be caused because of unauthorized …” „… vehicle function: Telematics. (I2) These Companies Track Millions of Cars—Immigration And Border Police …” „… provide this information to law enforcement authorities on a warrant basis. Law enforcement authorities …”

doi.org/10.51202/9783181023846

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Analysis of Affine Motion Compensated Prediction and its Application in Aerial Video Coding

Holger Meuel

Series: Informatik/ Kommunikation

Volume 865 2019

Results in this title

Basics S. 11-36

„… detection, feature tracking and RANSAC outlier removal. ¿e idea of mosaicking of aerial video sequences is …” „… theory in Section 2.7 as a basis for the a ne motion-compensated prediction in video coding in the next …” „… removal, Section 2.4.3) in the third step. ¿is 2.4 Motion Estimation from Image Sequences 21 Feature …”

Titelei/Inhaltsverzeichnis S. I-XVIII

„… error as a function of the motion estimation accuracy. Although the bit rate in MCP can be reduced by …” „… me to study electrical engineering as a basis for this thesis. Finally, my deepest gratitude goes to …” „… analysis by Kanade-Lucas-Tomasi feature tracking . . . . . . 23 2.4.3 Outlier removal: random sample …”

ROI-based System for Low Bit Rate Coding of Aerial Videos S. 65-86

„… features, a KLT feature tracker for the generation of a sparse optical ow and a RANSAC outlier removal …” „… (Quasi-Newton) numerical solver (Unconstrained Minimization, function fminunc). No noise, initialization of …” „… . 4.1 is used as a basis. In contrary to the global motion estimation in Subsection 4.1.1, the global …”

doi.org/10.51202/9783186865106

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Biomechanical Modeling and Numerical Simulation of minimal-invasive Treatment of Hip Joint Diseases

Robert Cichon

Series: Biotechnik/Medizintechnik

Volume 295 2017

Results in this title

Materials and Methods S. 41-76

„… drilling path to enable the most possible removal of the necrotic area. For this purpose, the function …” „… unknown function u can be solved using the nite element method. The most general terms are Biomechanical …” „… Methods the di erential equation A(u) and the boundary condition B(u) including the unknown function u [69 …”

Results and Discussion S. 77-112

„… , e.g., HJC, HHD etc. Furthermore, the simulation results and, closing, the planing of the bone removal …” „… center. The HJC can be checked using the CAD function Motion Envelope as described in Section 3.2.3.1. In …” „… acetabulum is still too small. Furthermore, inaccuracies of the gait lab of about ±3◦ occur on the basis of …”

doi.org/10.51202/9783186295170

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SIMVEC 2022

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2407 2022

Results in this title

B. P. van de Weg, L. Greve, B. Rosic Surrogate modelling for finite element simulations Towards a stochastic surrogate approach S. 555-562

„… Hadamard product and ? ,? and ? being sigmoid activation functions and ? ̃ and ? being hyperbolic …” „… tangent activation functions. Fig. 1: LSTM cell and subsequent dense layer to predict QoI ? in domain …” „… : ? ? ? ? (4) With ? the activation function, ? ∈ ℝ the weights and ? 1,? ∈ℝ the LSTM output state. The …”

doi.org/10.51202/9783181024072

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International Conference on Gears 2023

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2422 2023

Results in this title

G. Guimarães, L. Robatto, R. Rego, A. Faria, A. Borille, J. Mascheroni Surface integrity of 20MnCr5 pinion gears manufactured through laser powder bed fusion S. 1845-1858

„… material’s expansion, which is restricted by the colder neighboring regions. With the heat source removal …” „… encompassed stress relief heat treatment, base removal, milling and case hardening. Stress relief was executed …” „… convolution between these functions known as Voigt function is attributed to the profiles [15-18]. These …”

E. Grabovic, A. Artoni, M. Gabiccini, E. Ciulli Exploration of trade-offs between NVH and efficiency in bevel gear design S. 853-880

„… represented by few coefficients of a polynomial basis that embodies the tooth flank ease-off topography. To …” „… transmission ratio function based on rigid TCA assumptions. A numerical test case demonstrated that this method …” „… parameters representing the seventh-order function are assumed to be known, and no guidelines are provided …”

S. Sklenak, D. Mevissen, J. Brimmers, C. Brecher, B. Lenz, A. Mehner Analysis of Load Cycles and Local Wear of Dry and Solid-Lubricated Gears S. 727-740

„… functions of this lubricating film are to reduce friction and to dissipate frictional energy. The liquid …” „… lubricant is also used for the removal of wear particles and for protection against corrosion. For tooth …” „… functions of a liquid lubricant, such as heat dissi-pation from the contact zone, are not fulfilled to the …”

P. Romio Spur Gear Teeth Reconstruction via Direct Laser Deposition S. 1641-1664

„… failures by removing material from the tooth surface. However, the problem is that material removal has a …” „… to restore the component geometry, function and surface finish properties but is not expected to …” „… gear led to the material removal illustrated in Fig. 4. VDI-Berichte Nr. 2422, 20231648Fig. 4: Tooth 1 …”

doi.org/10.51202/9783181024225

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39. Internationales Wiener Motorensymposium 26.-27. April 2018

Bernhard Geringer (ed.), Hanz-Peter Lenz (ed.)

Series: Verkehrstechnik/Fahrzeugtechnik

Volume 807 2018

Results in this title

C. Hilton ProteanDRIVE®: ein digitales Antriebssystem in den Rädern/ProteanDRIVE®: a Digital Propulsion System in the Wheels S. 512-524

„… that time onwards. Removal of transmission components simplifies vehicle design with consequent …” „… functions as a part of the system, potentially replacing some of the incumbent systems. Figure 3 An …” „… means that in-wheel motors are ideal actuators for traction control functions, including ABS, and …”

F. Will, H. Wang, L. Gaojian, L. Guohua OVER8™ - Erschwingliche Thermomanagementinnovationen zur Erreichung der 2020 Kraftstoffverbrauchsgrenzen in China /OVER8™ - Affordable Thermal Management Innovations to Achieve the 2020 Fuel Consumpti... S. 588-605

„… was charged. Figure 6: Storage factor as a function of coolant temperature out of the heat tank …” „… the catalyst heating function was deactivated. In this case, the catalyst heating function consisted …” „… comparison of cumulated CO2 emissions with the test with catalyst heating function and with heat storage …”

doi.org/10.51202/9783186807120

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Commercial Vehicles 2021

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2380 2021

Results in this title

T. Schulz, S. Herrmann Data-driven selection of vehicle variants for the E/E integration test – Increasing variants and complex technology versus test coverage S. 81-96

„… the basis of this concept. For both functions and ECUs a detailed risk analysis is carried out, where …” „… function-oriented and based on a risk analysis. This paper describes how this procedure can be supported, among …” „… linking of vehicle configurations, components and functions variability. In addition, non-functional …”

doi.org/10.51202/9783181023808

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Schwingungen 2017

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2295 2017

Results in this title

R. Golafshan, M. Wegerhoff, G. Jacobs, K. Y. Sanliturk A New Approach for Vibration-based Rolling Bearings Fault Detection in Non-Stationary Operating Conditions S. 347-362

„… takes advantage of the noise removal and repetitive features of the recursive autocorrelation function …” „… - Up Condition Based On Order Cepstrum and Radial Basis Function Neural Network” Journal of Mechanical …” „… on the Recursive Autocorrelation (RAC) function, which can be considered as a reliable fault …”

doi.org/10.51202/9783181022955

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Electrics / Electronics for Mobile Machines

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2442 2024

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F. Ott Weed Detector Butterfly Mower maps weed with AI/Tensorflow S. 131-136

„… with a geo-coordinate that is used for weed removal in the subsequent step. Geo-reference allows for …” „… animal production. The product provides in addition decision support functions that help the farmer to …” „… following mechanical or chemical applications. Weed Detector provides an economical decision support basis …”

doi.org/10.51202/9783181024423

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