Filter results

Results (229)

Sort by:

Select all Select all

Page 3

Benjamin Schleich - Skin Model Shapes: A new Paradigm for the Tolerance Analysis and the Geometrical Variations Modelling in Mechanical Engineering

Partial access

Select

Benjamin Schleich

Skin Model Shapes: A new Paradigm for the Tolerance Analysis and the Geometrical Variations Modelling in Mechanical Engineering

Series: Konstruktionstechnik/Maschinenelemente

Volume 438 2017

Results in this title

Conclusion and Perspectives for future Research S. 192-193

„… statistical evaluation of tolerance simulation models as well as for the sensitivity analysis in order to …” „… decisions. A generic concept for the sensitivity analysis in geometrical variations management based on Skin …” „… tolerance analysis tools are increasingly applied in various industries, since they allow the virtual …”

Context and State of the Art S. 5-62

„… activities. Among these different tasks, the tolerance analysis is a key activity, since it aims at assessing …” „… not least its importance becomes apparent from the high number of computer-aided tolerance analysis …” „… approaches and tools for the computer-aided tolerancing with a focus on the computer-aided tolerance analysis …”

Publications by the Author S. 239-244

„… Sensitivity Analysis in Geometric Variations Management” by B. Schleich and S. Wartzack at the 20th …” „… . • Schleich, B. and Wartzack, S.: A `antitative Comparison of Tolerance Analysis Approaches for Rigid …” „… part representatives for tolerance analysis. Ye International Journal of Advanced Manufacturing …”

Bibliography S. 199-238

„… . Sensitivity analysis: A review of recent advances. European Journal of Operational Research, 248(3):869 – 887 …” „… assembly. Journal of Manufacturing Systems, 27(1):26 – 35, 2008. [Can12] Cannavó, F. Sensitivity analysis …” „… , pages 2728–2733, 1998. [GD07] Guo, J. and Du, X. Sensitivity Analysis with Mixture of Epistemic and …”

Titelei/Inhaltsverzeichnis

„… Konstruktionstechnik/ Maschinenelemente Reihe 1 Skin Model Shapes : A new Paradigm for the Tolerance Analysis and …” „… for the Tolerance Analysis and the Geometrical Variations Modelling in Mechanical Engineering Skin …” „… Model Shapes : A new Paradigm for the Tolerance Analysis and the Geometrical Variations Modell ing …”

Application and Benchmark of the Tolerance Analysis Approach based on Skin Model Shapes S. 163-191

„… part 4, a density-based sensitivity analysis as described in [PBS13] has been performed, to which the …” „… 0.05 0.20 A A C B aa bb cc A C B H Feature Labels for the Sensitivity Analysis Parts 1, 2, 3 Part 4 …” „… Assembly: Results of the Sensitivity Analysis based on Statistical Tolerance Analyses 7.3 Further …”

A comprehensive Framework for the Computer-Aided Tolerance Analysis based on Skin Model Shapes S. 85-156

„… 5 Framework for the Tolerance Analysis based on Skin Model Shapes 85 5 A comprehensive Framework …” „… for the Computer-Aided Tolerance Analysis based on Skin Model Shapes 7e concept of Skin Model Shapes …” „… tolerance analysis is a key tool for supporting the tolerancing activities in design, the following sections …”

doi.org/10.51202/9783186438010

Markus Kellermeyer - Robust Design Optimierung endlosfaserverstärkter Verbundbauteile

Partial access

Select

Markus Kellermeyer

Robust Design Optimierung endlosfaserverstärkter Verbundbauteile

Series: Konstruktionstechnik/Maschinenelemente

Volume 443 2018

Results in this title

Literaturverzeichnis S. 135-146

„… . [KGW15] Konrad, T; Gascó, V.; Wiegand, K.: Sensitivity analysis of forming process parameters …” „… .; Cichon, M., Marth, S.: Design of a hybrid powertrain model and optimization by a sensitivity analysis …” „… . Stolz, R.: Sensitivity analysis and non-linear optimization of shotnoise limited magnetic field …”

doi.org/10.51202/9783186443014

VDI Wissensforum GmbH - International Conference on Gears 2017

Partial access

Select

VDI Wissensforum GmbH (ed.)

International Conference on Gears 2017

Series: VDI-Berichte

Volume 2294 2017

Results in this title

H. B. Endeshaw, S. Ekwaro-Osire, F. M. Alemayehu, J. P. Dias Estimation of remaining useful life of gears with uncertainties in loading and material parameters S. 1063-1072

„… propagation to perform prognostics and using RFC. NESSUS was used to perform a sensitivity analysis using …” „… Analysis Sensitivity analysis was performed to investigate the influence of each random variable m, C …” „… analysis shows an increased dynamic loading with increasing crack length. It was demonstrated that …”

C. Brecher, C. Löpenhaus, J. Pollaschek Influence of surface layer properties on tooth root bending strength of cylindrical gears S. 421-432

„… suited tool for resource-efficient gear design. 5 Sensitivity Analysis of the Inclusion-Based Weakest …” „… helical gear set in section , a sensitivity analysis concerning the variation of material properties and …” „… with mn = 1 mm 5.2 Results The sensitivity analysis is being conducted according to the design …”

K. Matsuo, Y. Suzuki, K. Fujiki Accuracy analysis of workpiece and tool in the hobbing process using Taguchi Method S. 1331-1342

„… the analysis revealed that sensitivity to the end face run-out of the workpiece was the highest at 12 …” „… found for fFβ Avg. The analysis results showed that sensitivity to the hob …” „… Accuracy analysis of workpiece and tool in the hobbing process using Taguchi Method Dipl.-Ing …”

L. Liu Tooth contact analysis of a new type of face gear drive S. 457-466

„… Tooth contact analysis of a new type of face gear drive Dr. Lei Liu, Nanjing University of …” „… depth, mathematical models of the engaged gears are established. Then tooth contact analysis is …” „… can avoid the occurrence of offset load, decrease the sensitivity of the contact trace to the …”

M. W. Seidel, A. Zösch, K. Härtel Grinding burn inspection – tools for supervising and objectifying of the testing process S. 1003-1014

„… electromagnetic methods such as Barkhausen noise analysis (BHN), the 3MA method and recently eddy current testing …” „… verify the sensitivity before testing real parts. In addition, reference blocks are applied in certain …” „… analysis (BHN) [3], the 3MA-method [4] and in recent times, eddy current testing (ET) [5], are already …”

L. Zhao, R. C. Frazer, B. A. Shaw The influence of overlap ratio on transmission error in parallel axis gears S. 939-952

„… the sensitivity of involute gear TE with different overlap ratios, under the same load intensity, by …” „… using a validated 3D-Tooth Contact Analysis (TCA) method. To ensure the results are valid, mesh …” „… . Frazer [7] used a validated, 3-D Finite Element Analysis and Tooth Contact Analysis program to optimize …”

C. Gosselin, E. Fritz, L. Seiler CnC manufacturing of circular faced cylindrical gears S. 1343-1352

„… the expense of increased sensitivity to center distance change. Fuentes VDI-Berichte Nr. 2294, 2017 …” „… shown in Fig. 2. Fig. 4 shows a Spurved pinion model. 3. Tooth Contact Analysis of Spurved Gears At …” „… the load carrying capacity and sensitivity to positional changes of the gear set. For a given …”

D. Ghribi, C. Peyrac, M. Octrue Shot peening of gear tooth flanks: Search for an optimal surface topography against the micropitting S. 153-162

„… in this study is based on comparative analyses between the calculations of sensitivity to …” „… specific image analysis method for quantification of this flank damage through the percentage of the …” „… affected area. A detailed analysis was conducted to follow during testing the evolution of the parameters …”

K. Togai, N. Fujinaga A reduced order internal combustion engine model for transmission development S. 1191-1198

„… torque. Application to gear rattle sensitivity analysis will be illustrated. 2. Engine output …” „… application e.g. gear rattle analysis. The torque profile can be derived by amplitude modulation of the …”

A. von Freyberg, A. Fischer Automatic geometry segmentation of involute flank regions S. 1015-1024

„… proven measuring methods as well as analysis software exist for determining geometric deviations and …” „… worm gears, chain wheels or special gears, and many proven measuring methods as well as analysis …” „… analysis of a profile with tip or root relief, for example, VDI-Berichte Nr. 2294, 20171016 requires the …”

Y. Shen, S. Rinderknecht, M. Hoppert General modelling method of power losses in transmission with parameter identification S. 905-916

„… using multiple linear regression analysis includes all the key features of a gear contact, based on the …” „… models in the literature are empirical, based on dimensional analysis. Mauz [23] investigated various …” „… ; , Dimensionless drag torque based on dimensional analysis. VDI-Berichte Nr. 2294, 2017908 Deduced from …”

F. Concli, C. Gorla Numerical modeling of the churning power losses of gears: an innovative 3D computational tool suitable for planetary gearbox simulation S. 881-892

„… chosen after a sensitivity analysis as the best compromise between the results accuracy and the …” „… analysis. In these fields, the simulation tools have proved to be able to provide reliable information …” „… . Moreover, in the field of structural design and strength analysis, with respect to the various failure …”

C. Brecher, C. Löpenhaus, J. Brimmers Potential of free flank modifications for beveloid gears S. 553-564

„… modifications are the result of a sensitivity analysis for the transmission error of the gear at the maximum …” „… . The FE-based tooth contact analysis ZAKO3D is used to analyze the operational behavior of the …” „… beveloid gear set [20]. The results of the tooth contact analysis are used as input data for an …”

C. Andersson Grinding or shaving? – Performance based economic decision support in the manufacturing of gears S. 1353-1364

„… analysis, shaving was shown to be the most cost efficient finishing method. Also the influence of …” „… in a cost analysis to be able to make strategic decisions between different finish operations? How …” „… chain? What is the most cost efficient gear finishing method: grinding or shaving? The analysis was …”

A. Kahraman, H. Ligata Effects of external splines on deformations of ring gears of planetary gear sets S. 341-352

„… sensitivity to certain manufacturing errors [1-8], might result in large rim deflections of the ring …” „… analysis of multi-channel strains and deflections through root strain gauges and LVDT probes was to study …” „… . One variation of these models is shown in Fig. 3. These models use the same gear contact analysis …”

E. Rigaud, P.-H. Cornuault, B. Bazin, E. Grandais-Menant Prediction of the vibroacoustic response of an electric window-lift gear motor S. 635-648

„… (steel stator, plastic part and rotor) using an experimental modal analysis under free- VDI-Berichte Nr …” „… account of the auditory sensitivity of the observer for each frequency band. Conclusions obtained are …” „… . VDI-Berichte Nr. 2294, 2017646 6. References [1] Xut M., Marangoni R. Vibration analysis of a motor-flexible …”

H. Schreiber, T. Röthlingshöfer Kinematic classification of a gearbox comprising separate thrusted teeth and its advantages regarding existing approaches S. 267-280

„… is the sensitivity of the geometry on center distance variations. In order to give the discs with …” „… teeth, but that real area contact is realized within this contact, Fig. 2.1-2. The analysis of teeth …”

B. Schlecht, F. Müller, S. Schumann Simulation and measurement of tooth flank deviations on bevel gears caused by pitting and micro pitting S. 293-304

„… or the previous simulation step. For the tooth contact analysis, the modified point cloud is …” „… capabilities simulating micro pitting and pitting are shown as well as its sensitivity with regard to several …”

doi.org/10.51202/9783181022948

VDI Wissensforum GmbH - International Conference on Gears 2022

No access

Select

VDI Wissensforum GmbH (ed.)

International Conference on Gears 2022

Series: VDI-Berichte

Volume 2389 2022

Results in this title

E. Lamaj, J. Blomeke, F. Rudolph, J. Hermes A comprehensive, fully parametrized calculation model for improved helical-hypoid gearbox efficiency S. 825-836

„… sensitivity analysis and is therefore independent of empirical assumptions. Input variables are evaluated by …” „… modular transmission system and its sensitivity with respect to various physical and geometrical influence …” „… analysis, the design of new gear-boxes is based on the obvious variation of bearing sizes, distances and …”

A. Zhang, J. Wei, M. Cao, B. Peng Dynamic modeling and accuracy evaluation method for complex irregular components of aviation transmission S. 573-584

„… example, a dynamic modeling method based on experimental modal analysis-FE method-substructure …” „… complex irregular components based on experimental modal analysis-FE method-substructure condensation is …” „… unacceptable in the dynamic analysis. The traditional lumped mass method is widely used, but it is limited to …”

F. Thurner Light into the black box: using AI software to identify unknown mechanisms of action and resolve acoustic/NVH problems – practical example of a passenger car powertrain S. 779-786

„… an automatic algorithm. A sensitivity analysis is followed by a group/family formation of influence …” „… . VDI-Berichte Nr. 2389, 2022 779 Procedure: From measurability to new design 1. Basic analysis by means of …” „… path analysis with / without order analysis or at neighbouring positions to a suspension point to the …”

F. Eigner, S. Heinrich, M. Berger An approach on contact analysis for micro geometry optimization of the gear unit HypoGear S. 943-950

„… sensitivity to manufacturing deviations. Fig. 5 shows the comparison of the load less contact analysis of two …” „… An approach on contact analysis for micro geometry optimization of the gear unit HypoGear Florian …” „… FE-calculation with each iteration stage. Due to the nature of the analysis being exclusively geometric, the …”

X. Zheng, Y. Hu FE analysis and predication on the traveling wave – resonance of aero-gears S. 915-926

„… FE Analysis and Predication on the Traveling Wave Resonance of Aero-Gears Xingyuan Zheng, Prof …” „… and analysis of bevel gear dynamics 1.1 FE-modelling The geometry of a pair of bevel gear pair is …” „… (driving gear), while the torque applied to the pinion (driven gear). In this paper, the analysis is based …”

A. Sitzmann, T. Tobie, K. Stahl, S. Hoja, S. Schurer Deep nitriding – contact and bending strength of gears with increased nitriding hardening depth S. 875-890

„… = 0.5 Chemical analysis The chemical composition of the three materials investigated was determined on …” „… relatively low numbers of load cycles. A high overload sensitivity of nitrided gears is also reported from …” „… past investigations [2] and [7]. The high overload sensitivity must be taken into account when …”

A. Hilligardt, J. Klose, V. Schulze A new method for avoiding meshing interference in gear skiving S. 1305-1318

„… consuming CAD-simulation. In contrast, this paper presents an automated geometrical model for the analysis …” „… ]. This type of collision needs to be checked early on in tool design by geometric analysis. The problem …” „… analysis [4]. The kinematics of the gear skiving process are based on crossed helical gears [8] and can be …”

J. J. Zhang, Prof. Y. M. Hu, X. X Luan, Z. S. Zhang Research on the effectiveness of roelands formula with constant VPC in EHL of higher pair contact S. 119-132

„… calculation founded on Froude number analysis of the model ( / 1Fr V gh ).The lubricating oil is regarded as …” „… with different VPC are almost parallel to each other. With the increasing of the VPC, the sensitivity …” „… ., Tong, J., Yang, P.: Transient thermoelastohydrodynamic lubrication analysis of an involute spur gear …”

B. James Developing a digital thread linking gear design to manufacturing simulation and metrology S. 185-196

„… and indicates how the issues can be simulated and studied. The absence of IP sensitivity makes it …” „… , virtually-manufactured and measured) in the same environment. The Loaded Tooth Contact Analysis of the 3 versions of …”

doi.org/10.51202/9783181023891

VDI Wissensforum GmbH - 28. Deutscher Flammentag

Partial access

Select

VDI Wissensforum GmbH (ed.)

28. Deutscher Flammentag

Series: VDI-Berichte

Volume 2302 2017

Results in this title

V. Bomba, B. Rogg Reduced Kinetic Mechanisms for Oxy-Methane Combustion S. 747-750

„… sequence of modern reduction techniques such as DRG, CSP and DRG-aided sensitivity analysis. Both …” „… from Cosilab [9] were used, in particular sensitivity analysis and reaction pathway analysis. With …”

T. Zirwes, F. Zhang, J. A. Denev, P. Habisreuther, H. Bockhorn, N. Zarzalis Einfluss von erhöhtem Druck auf die Änderung der Flammendynamik durch Streckung in vorgemischten Flammen S. 549-562

„… . A sensitivity analysis for ? ( ? ? (1 bar) ? ? (5 bar) ) /? ? ? for the same hydrogen flame as in …” „… kinetics and transport models. The laminar Markstein number ? ? , which measures the sensitivity of the …” „… particular on the sensitivity of local burning speed to stretch in terms of the Markstein number ? ? . For …”

C. Yu, U. Maas Numerical Study of turbulent reacting flows with local extinction and re-ignition effects based on a statistical method and REDIM reduced reaction kinetics S. 521-534

„… of PDF model calculations and its sensitivity is also investigated. It is shown that only an …” „… extinction. Hence, the value of ? ? should be selected correctly and based on a thorough analysis. Besides …” „… ) is ? ? ? ? = 0.06. The sensitivity of ? ? ? ? and results based on this value will be discussed …”

C. Chi, G. Janiga, K. Zähringer, D. Thévenin Indirekte Messung der Wärmefreisetzung in Wasserstoffflammen mittels Spezieskorrelationen S. 625-636

„… ] found the product of H and CH2O LIF signals show only a weak sensitivity to variation in stoichiometry …” „… order to obtain equilibrium between turbulence and chemistry [31]. The following analysis of the …” „… exponents s1 and s2, are examined in a systematic analysis. The proposed heat release marker is cA1 s1 ´ cA …”

doi.org/10.51202/9783181023020

1 2

3

... 46