VDI Verlag eLibrary

Experimental testing and numerical simulation of granules as crash absorber for double hull structures

Christian Woitzik

Series: Mechanik/Bruchmechanik

Volume 356 2021

Results in this title

Selection of granules and description of single grains S. 24-39

„… shell elements with an enhanced strain-based element formulation [135]. To take into account the …” „… Supporting stamp Upper stamp Strain gauges Housing Figure 3.1: Sketch of uniaxial compression test. applied …” „… stress-strain curves of four particles. The first thing to notice is the wide range of results for the crushing …”

Determination of bulk particle properties S. 40-63

„… density of 234.2 kg/m3 [116]. Thus, the relative difference in density is 14 %. The strain-stress curves …” „… stress-strain curves are determined. Before examining the particle size distribution at different stress levels …” „… 0.2 0.4 0.6 0.8 1 Strain in % St re ss in M Pa Loose package Dense package Figure 4.3: Comparison of …”

doi.org/10.51202/9783186356185

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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

Summary and outlook S. 150-153

„… functions, which can be easily combined with the fictitious material approach. The essential idea of this …” „… modes, which is an important issue, especially considering applications in finite strain problems …” „… highly accurate results. Moreover, considering several finite strain applications in elasticity as well …”

Basis function removal for the FCM S. 79-123

„… Inverse Cholesky (SIPIC). In this approach, a diagonal scaling technique is combined with an …” „… hierarchical basis of the finite cell method (FCM), which can be easily combined with the fictitious material …” „… basis function removal strategy can be easily combined with the approach based on a fictitious material …”

Bibliography S. 154-169

„… nearly incompressible finite strain plasticity problems with complex geometries. Computers & Mathematics …” „… broken finite cells based on moment fitting applied to finite strain problems. Proceedings in Applied …” „… topology optimization with fixed mesh: A B-spline finite cell method combined with level set function …”

doi.org/10.51202/9783186355188

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Gleit- und Wälzlagerungen 2023

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2415 2023

Results in this title

J. R. Koch Bearing creep in wind turbines S. 133-144

„… : creep by strain and creep by runout. Creep by strain, also called travelling-wave type or roller-induced …” „… therefore a favorable design to avoid creep by strain. But they are sensitive to creep by runout. In theory …” „… , this type of creep is caused by a ring clearance (or loose fit) combined with a rotating load relative …”

doi.org/10.51202/9783181024157

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OPE Journal

Browse Volumes: OPE Journal

OPE Volume 11 (2021) Issue 36 ISSN Online: 2366-8040

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Eisuke Tsuyuzaki Endurance testing of flexible displays and electronics S. 18-21

„… , flexing and twisting combined with different size, speed and powered motor drive units. Butterfly motion …” „… collaboration situation, we combined electronic readings from the motor drive, and expanded our data capture …” „… still images at each testing cycle and provided the combined data on customised templates on a cloud …”

doi.org/10.51202/2366-8040-2021-36

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PIAE Europe 2023

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2418 2023

Results in this title

N. Dingenouts, M. Wilhelm Combined methods for polymer characterization in rheology and SEC S. 645-658

„… measuring cell (attenuated total reflectance) [12]. In this new setup, a strain-controlled rheometer is …” „… chemical changes via FTIR spectroscopy and rheological properties in a strain-controlled rheometer …” „… Combined methods for polymer characterization in rheology and SEC Combined methods in polymer …”

G. Gardère, A. Kezmane Composite Material for Automotive Mass Production Applications S. 343-354

„… elastic and plastic stress-strain curves of the material card used in the numerical model. The second …” „… . The results of the impact test are used in order to calibrate the strain rate dependency of the …” „… ready for CAE crash simulation for organosheet composite parts, using strain rate dependency capture and …”

N. Dingenouts, M. Wilhelm Kombinierte Methoden zur Polymercharakterisierung in Rheologie und SEC S. 659-672

„… chemical changes via FTIR spectroscopy and rheological properties in a strain-controlled rheometer …” „… Combined Rheo-NMR to Investigate the Relationship Between the Molecular and Mechanical Properties of Early …” „… ., Struth, B., Ratzsch, K.-F., Friedrich, C., Guthausen, G. u. Wilhelm, M. (2013): Combined methods in …”

doi.org/10.51202/9783181024188

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OPE Journal

Browse Volumes: OPE Journal

OPE Volume 12 (2022) Issue 38 ISSN Online: 2366-8040

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Printed energy harvesting solutions for textile-based automotive applications S. 12-13

„… textile reinforcement structures. This strong expertise combined with its investment and interest in …” „… a modular aspect in terms of sensors (e.g. temperature and strain) and energy harvesters (e.g …” „… the monitoring of critical parameters such as temperature and strain level, taking advantage of the …”

doi.org/10.51202/2366-8040-2022-38

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Plastics in Automotive Engineering 2017

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 4348 2017

Results in this title

P. Hörmann, K. Bornemann, F. Flueggen, H. Herten, V. Hohm, T. Ströhlein Lightweight design at Volkswagen S. 203-214

„… application. A focus of future work will be the numerical description of the strain-rate-dependent …” „… loads. When combined with thermoset pultrusion, faster processing speeds can be achieved than with …” „… stress/strain curves, the corresponding input data for numerical simulation were generated in collaboration …”

M. Franzen, G. Oberhofer, R. Schwarzer Improved crash simulation of endless-fiber-reinforced thermoplastics – organic sheets S. 109-120

„… (force-displacement) This approach covers the strain-rate dependency of the strain-based and stress-based failure …” „… Strain-rate- and stress-state-dependent fracture valid for shell and solid discretization Anisotropic …” „… fracture behavior (stress- and strain-based) This approach means that different types of polymer can be …”

M. Kreutzmann, T. Schneider, R. Rademacher Development of a carbon-composite electro-transmission housing S. 263-270

„… combined with air drain petcock Measuring temperature Oilsump, bearings, gearbox surface Maintenance …” „… Optimization process Optimization results Deriving shape Setup • Minimization of strain energy • Mass …”

J. Gómez-Monterde, J. Hain, M. Ll. Maspoch Characterization of microcellular plastics for weight reduction in automotive interior parts S. 165-178

„… combined with the complementary tool technology of core-back expansion molding. By increasing the …” „… thickness were injection-molded with the MuCell® and IQ Foam® processes, combined with the core-back …” „… with the unfoamed part. Then, two series of foamed samples combined with the core-back technology were …”

doi.org/10.51202/9783182443483

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International Conference on Gears 2022

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2389 2022

Results in this title

B. Guilbert, P. Velex Influence of thin rimmed/-webbed gears on transmission dynamic behaviour – Approximate dynamic factor formula S. 523-532

„… Element models, strain energies and quasi-static transmission errors. It is shown that, whenever solid …” „… solved by a time-step Newmark’s integration scheme combined with a unilateral contact algorithm verifying …” „… under the form:    1 kkk mkr kk (1) with  and k kk , the percentage of modal strain energy …”

J. Gotz, F. Siglmuller, M. Furst, M. Otto, K. Stahl Experimental investigation of the dynamic load sharing of planetary gearboxes S. 409-420

„… continously monitoring the tangential bending strains at each planet pin. These bending strains are caused by …” „… the combined tangential mesh forces of each planet gear with the sun and ring gear respectively. For …” „… this VDI-Berichte Nr. 2389, 2022412purpose one strain gauge (HBM type 1-LY41-6/1000) with 1000 Ω …”

B. van Wissen, M. Kanters, F. Mitsuzuka, K. Iwanaga, M. Meuwissen, A. Hasanovic Predicting static and fatigue performance of fiber reinforced plastic gears S. 1083-1098

„… anisotropic 3D strain-based Tsai-Hill criterium is used in combination with the J2-plasticity model, in which …” „… so, stress-strain data measured on injection molded ISO 527-1A tensile bars is used and converted …” „… . VDI-Berichte Nr. 2389, 20221084 Fig. 1: a) Stress-strain curves for a typical 30%wt fiber reinforced …”

N. Tros, J. Brimmers, T. Bergs Approach for multiscale modeling the thermomechanical tool load in gear hobbing S. 1489-1502

„… is presented how a geometric penetration calculation can be com-bined with FEA simulations to a …” „… subjected to large strains, high strain rates and high temperatures. Proceedings of the 7th interna-tional …”

P. Rodel, R. Spieler, M. Indenbirken, T. Nuisl Holistic friction optimization of transmissions – a significant contribution for sustainability S. 731-744

„… . Also, an appropriate model for the rheological behavior of the used lubricant is needed, so strain to …” „… combined. First, lubricant film thickness is of interest. Since the contact is discretized, lubricant film …”

D. Zorko, Z. Bergant, B. Černe Potential of woven carbon fiber reinforced polymer composite gears S. 1071-1082

„… applications, lightweight CFRP parts are combined with parts made of metallic materials that maintain rigidity …” „… . Černe, R. Lorber, J. Duhovnik, J. Tavčar, Influence of temperature- and strain rate-dependent …”

S. Sklenak, J. Brimmers, C. Brecher Analysis of local wear within the dry lubricated rolling- sliding contact of coated surfaces S. 305-316

„… strain gauge. The oil supply is shut off for investigations of the fluid-free rolling-sliding contact …” „… coating grid system. Fig. 6: Wear analysis of interval operation (T2) The combined analysis of surface …”

doi.org/10.51202/9783181023891

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Identifikation und Optimierung im Kontext technischer Anwendungen

Dirk Schellenberg

Series: Mechanik/Bruchmechanik

Volume 347 2017

Results in this title

Literaturverzeichnis S. 135-146

„… . Bergström, J. und Boyce, M., 1998: Constitutive Modelling of the Large Strain Time- Dependent Behavior of …” „… ), S. 185–190. Canann, S.; Tristano, J. und Staten, M., 1998: An approach to combined Laplacian and …” „… International Meshing Roundtable 7, S. 479–494. Chen, Z.; Tristano, J. und Kwok, W., 2003: Combined Laplacian …”

doi.org/10.51202/9783186347183

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SIMVEC 2022

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2407 2022

Results in this title

J. Garcke, R. Iza-Teran, M. Pathare, D. Steffes-lai, P. Schwanitz Identifying similarities and exceptions in deformations and mesh functions – Comparing many simulation results automatically S. 277-288

„… distribution of mesh functions such as plastic strain. We observe a lack of simple to use procedures that …” „… (such as plastic strains, stresses, or failed elements) depending on the analysis objective. Thereby …” „… . This user-driven group or functionality-based selection can be combined with the local event detection …”

S. Scheidel, M. Goll, M. Tandl, B. Reiter, R. Neubauer Simulationsbasierte Wirkungsgradoptimierung einer Hochtemperatur Co-Elektrolyse zur e-Fuel Produktion S. 129-142

„… parameters, the simulation model is coupled with a combined design of experiments (DoE) and machine learning …” „… , a concept of a highly efficient solid oxide electrolysis combined with a Fischer-Tropsch synthesis …” „… preferred. A design of experiments (DoE) approach combined with empirical modelling fulfills this need …”

doi.org/10.51202/9783181024072

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Baudynamik 2022

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2379 2022

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S. Tewolde, D. Futter Structural Health Monitoring of Offshore Wind Turbines S. 739-XVI

„… sensors commonly used for SHM of OWTs are accelerometers, inclinometers, and strain gauges. 4. Data …” „… [8]. Strain gauge sensors are used to continuously monitor the strain (stress) to which the structure …” „… is exposed at the strain measurement location. The recorded strain data is first pre-processed to …”

doi.org/10.51202/9783181023792

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International Conference on Gears 2023

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2422 2023

Results in this title

N. De Bie, W. Smet, T. Van Der Kamp Assessing gear mesh misalignment in a parallel gear set by transmission error measurements S. 291-300

„… alternative for flank load distribution measurements using strain gauges. Strain gauges measurements, in turn …” „… mesh contact pattern and measurement of actual gear face load distribution by applying strain gauges in …” „… the tooth root [1]. Strain gauge measurements in the tooth root of a parallel gear set are not always …”

B. Černe, N. Vukašinović, D. Zorko In-situ experimental methods for measuring tooth meshing displacements and wear during polymer gear tests using a high-speed camera with microscopy optics S. 1563-1580

„… both the strain-stress and thermal states during running [15–18]. High-speed cameras (HSC) offer the …” „… determine the stiffness properties of the used polymer, at the actual strain rates as present at an applied …” „… , wear, strain accumulation, melting, and, in certain instances, pitting. Multiple damage mechanisms may …”

I. Criscuolo, F. Carneiro, G. Guimarães, R. Rego, J. Mascheroni Indirect Selective Laser Sintering: Modeling and analysis of surface densification by shot peening S. 1681-1698

„… transformation of kinetic energy into strain energy. The induced stresses exceed the yield stress, and cause …” „… : Geometry of the iSLS specimens. 2.2. Densification Through Shot Peening: Parameters and Strain Energy The …” „… peening for densification [16,18]. In addition, the strain energy also guided the definition of these …”

B. Guilbert, D. Dureisseix, P. Velex Hybrid models for the simulation of displacements and stresses in lightweight gears S. 315-328

„… gear bodies. Finite elements are combined with condensed sub-structures, lumped parameter elements …” „… vibrations after impact. Virlez & al. [19-20] used a model reduction combined with an advanced contact model …” „… using a Newmark’s scheme combined with a unilateral normal contact algorithm [5] in order to simulate …”

J. Sanchez-Espiga, A. Diez-Ibarbia, M. Iglesias, A. Fernandez-del-Rincon, F. Viadero, J. Calvo-Irisarri, A. Fernandez-Sison Statistical study of the mesh load factor of planetary gear transmissions affected by inherent manufacturing errors S. 139-156

„… problem. Finally, all the steps mentioned are combined. Thus, the finite-element models and local contact …” „… solutions are combined with the analytical formulations of the multibody problem. Thus, the overlaps are …” „… measurement from tooth root strains: Numerical evaluation of mesh phasing influence,” Mech. Mach. Theory, vol …”

J. Zhang, B. Shaw, A. Hammer, I. Sewell Effects of Surface Engineering on the Efficiency of Involute Helical Gears – An Experimental Investigation S. 995-1016

„… without load (torque). A strain gauge-based VDI-Berichte Nr. 2422, 2023998telemetry system was used to …” „… ∙ ∙ ………… (3)In order to measure pulley input torque ( 𝑇 ), a strain gauge-based telemetry system with a fine …” „… 100% ………….. (4) Assumption 2: The power loss of the test rig equals the combined power losses of …”

G. Vasileiou, C. Vakouftsis, C. Kalligeros, V. Spitas, C. Papalexis, A. Tsolakis, P. Zalimidis Continuous prestressed reinforcement of plastic gear teeth and its effect on bending strength vs conventional reinforcement S. 1375-1388

„… S. Nagata, “Load capacity of a new w-n gear with basic rack of combined circular and involute …” „… Carbon Nanotube–Polymer Nanocomposite in the Stress-Strain Domain Using an Elastic Energy Release …” „… . Both constituents undergo considerable stressing and straining, with the fibress usually undertaking …”

doi.org/10.51202/9783181024225

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Kupplungen und Kupplungssysteme in Antrieben 2019

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2341 2019

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H. Lührs, K. Sittig, T. Niendorf Cladded steel for clutch disc carriers – On the formability and wear properties S. 247-260

„… industrial practice this issue is solved by using a highly ductile, micro-alloyed steel, combined with a …” „… the elastic region at 30N/mm²s and strain controlled at a quasi-static nominal strain rate of 0.0025 …” „… sheet metal forming featuring large accumulated strains and nonlinear strain paths. For these forming …”

doi.org/10.51202/9783181023419

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Kunststoffe im Automobilbau 2017

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 4347 2017

Results in this title

M. Franzen, G. Oberhofer, R. Schwarzer Improved crash simulation of endless-fiber-reinforced thermoplastics – organic sheets S. 113-124

„… (force-displacement) This approach covers the strain-rate dependency of the strain-based and stress-based failure …” „… Strain-rate- and stress-state-dependent fracture valid for shell and solid discretization Anisotropic …” „… fracture behavior (stress- and strain-based) This approach means that different types of polymer can be …”

P. Hörmann, K. Bornemann, F. Flueggen, H. Herten, V. Hohm, T. Ströhlein Leichtbau bei Volkswagen – Über die duroplastische Pultrusion zur großserienfähigen Herstellung faserverstärkter Kunststoffe für einen Lastpfad in der Türstruktur S. 205-214

„… unidirectional carbon-epoxy composite under high strain rate transverse and off-axis tensile loading. 11th …” „… Escalera. High strain rate behaviour of 5-harness-satin weave fabric carbon-epoxy composite under …” „… compression and combined compression-shear loading. International Journal of Solids and Structures, 2015 …”

J. Gómez-Monterde, J. Hain, M. Ll. Maspoch Characterization of microcellular plastics for weight reduction in automotive interior parts S. 167-180

„… combined with the complementary tool technology of core-back expansion molding. By increasing the …” „… thickness were injection-molded with the MuCell® and IQ Foam® processes, combined with the core-back …” „… with the unfoamed part. Then, two series of foamed samples combined with the core-back technology were …”

doi.org/10.51202/9783182443476

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16. Internationale VDI-Tagung Reifen-Fahrwerk-Fahrbahn 2017

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2296 2017

Results in this title

M. Selig, M. Meyer, F. Petry, S. Westermann Reifensimulationsmodelle der Zukunft S. 33-46

„… generated by shear strains/stresses in the rubber, which are non-linear and on top temperature dependent …” „… other models have a flexible belt to model roughness in x and y (Model 30) separately or combined in …” „… strain exists. For materials with viscoelastic behavior, the generalized Newtonian fluid gives the …”

doi.org/10.51202/9783181022962

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Results (155)

Experimental testing and numerical simulation of granules as crash absorber for double hull structures

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

Gleit- und Wälzlagerungen 2023

OPE Journal

PIAE Europe 2023

OPE Journal

Plastics in Automotive Engineering 2017

International Conference on Gears 2022

Identifikation und Optimierung im Kontext technischer Anwendungen

SIMVEC 2022

Baudynamik 2022

International Conference on Gears 2023

Kupplungen und Kupplungssysteme in Antrieben 2019

Kunststoffe im Automobilbau 2017

16. Internationale VDI-Tagung Reifen-Fahrwerk-Fahrbahn 2017