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

Determination of bulk particle properties S. 40-63

„… Figure 4.20: Force-displacement curves for an optimization up to 10% compression using the hypoplastic …” „… Compression in % Fo rc e in kN Applied force: Poraver 2-4 Lower force: Poraver 2-4 Introduced energy …” „… curves for an optimization up to 10% compression: total force applied (left) and force transmitted …”

Material parameter identification S. 116-118

„… Simulation final Figure A.4: Force-displacement curves for an optimization up to 10% compression using the …” „… initial Simulation final Figure A.5: Force-displacement curves for an optimization up to 10% compression …” „… : Displacement of Danamol during the triaxial compression for different radial pressures. From left to right: 100 …”

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

„… 300 Compression in % Fo rc e in kN Applied force: Technoperl W5 Lower force: Technoperl W5 Applied …” „… : APM 6 Figure 3.2: Force-displacement curves for different granules. directly to the lower stamp, the …” „… cylinder. Figure 3.2 shows the resulting force-displacement curves for some selected granules. Two curves …”

Experimental investigation S. 64-87

„… flap, the force increases. The unloading path during the compression of the inner hull can be recovered …” „… be treated with caution. The high force applied in Experiment 4 results in a higher compression of …” „… movement is expected in horizontal direction. Figure 5.4 shows the force-displacement curve. Here, and in …”

Numerical investigation S. 88-112

„… compression test. Figure 6.26 shows the corresponding force-displacement curves. Starting with the Mohr …” „… are simulated individually. Experiment 1 In Figure 6.2, the force-displacement curve of the numerical …” „… Figure 6.2: Comparison of the force-displacement curve for the first experiment with the simulation …”

Constitutive equations and numerical implementation S. 6-23

„… der Waals’ forces, capillary forces, and Coulomb forces [80]. A better understanding of the internal …” „… surface with the angle ϕ, the force when sliding occurs is given by Ff = µFn = Fn · tanϕ . (2.15) Here Fn …” „… is the normal force and ϕ is the angle of friction. This can be expressed as a yield condition: f …”

doi.org/10.51202/9783186356185

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Fahrzeugsicherheit

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2426 2023

Results in this title

F. Neumann, L. Rieger, C. Vieler, S. Schilling, A. Soni, B. Eickhoff, B. Pipkorn, M. Morlock Sensitivitätsanalyse der anthropometrischen Wirbelsäulenpositionen bezüglich Frakturrisiken in Komfortsitzpositionen in frontalen Crashsituationen S. 249-268

„… positions, higher compression and flexion forces act on the lumbar spine (LS) in crash situations compared …” „… addition, increased seat inclination angle leads to higher compression forces acting on the LS in frontal …” „… have indicated that the fracture tolerance may be lowered by superposition of compression force with …”

T. Herwig, M. Sprenger, C. Fischer, L. Kübler Advanced Seat Belt Actuator Technology enabling next Level Occupant Safety S. 15-36

„… load limiting are modelled ideally, i.e.: (i) Pretensioning by a 1.3 kN force acting for 7 ms while …” „… ramping up takes 2 ms and ramping down 1 ms. A force drop after pretensioning, due to a locking length, is …” „… load limiting forces can vary. Some possible combinations are depicted in Figure 6 and their …”

A. Eggers, M. Schießler, J. Ott, M. Lebarbé, F. López Valdésc Manuel Valdano, P. Petit, W. Marshall, P. Lemmen, M. Östling, M. Masuda, O. Richard, P. Beillas The ENOP project (Enable New Occupant Seating Positions) S. 159-176

„… purpose of the ATD tests is to compare the kinematics, test environment response (e.g. belt forces) and …” „… as a singular unit for the entire abdomen cavity and being capable of compression and extension via …” „… see the spine targets initially. The test setup instrumentation includes force sensors below the seat …”

doi.org/10.51202/9783181024263

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Fahrzeugsicherheit

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2364 2019

Results in this title

H. Zellmer, A. Soni, S. Schilling, B. Eickhof Injury Risk on Rearward Facing Seats in Frontal Impact – Sled Tests and Simulation in a Generic Test Environment S. 41-60

„… OLC [12] of 36 g. The lumbar spine was mainly loaded in compression with forces rising up to 5.8 kN …” „… 60 g in 56 km/h sled tests. The lumbar spine was mainly loaded in compression. The rebound …” „… this, the lumbar spine compression in the reference set-up was reduced from 5.0 kN to 4.6 kN. Chest …”

D. Tran, J. Holtz, G. Müller, S. Müller A study of the effect of reclined seatback on the occupant kinematics in an autonomous emergency braking using a MADYMO active human body model S. 245-276

„… pelvis around the Y-axis, the compression force of T12 and L5 on the spine was also plotted out as well …” „… behavior of L1-Hip around hip point). Fig. 5 shows the compression force of the contact T12-L1 and L5-S1 …” „… along the occupant's spine. The compression force of T12 in the cases of the fully reclined seatback …”

T. Matsushita, A. Jansson, A. Vishwanatha Novel restraint system for highly automated vehicles (HAV) evaluated in frontal impact S. 115-130

„… axial spine force and leads to spine compression. However, we did not measure the spine force, so we …” „… occupants are moved by the inertia force produced by crash deceleration, and the airbags are located in …” „… VDI-Berichte Nr. 2364, 2019116 line with the frontal or side force (i.e., at the steering wheel, the instrument …”

P. Luttenberger, C. Leo, M. Schachner, W. Sinz, G. A. D’Addetta, H. Freienstein, M. Wolkenstein The individual safety of a car seat as a central element of autonomous driving – A comprehensive study of ATDs and human body models based on a generic modelling approach of the passenger compartment S. 61-80

„… ] NECK:injury:Neck_Compression:[-3.2, -4.0, -4.8] NECK:injury:NIJ:[0.8, 1.0, 1.2] NECK:injury:Ext_bending_mom_max:[-42.0, -49.5 …” „… , -57.0] PELVIS:injury:Pelvis_LumbS_force_max:[5.2, 6.6, 7.9] PELVIS:injury:Pelvis_res_a3ms:[60, 75, 90 …”

doi.org/10.51202/9783181023648

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Fahrzeugsicherheit 2022

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2387 2022

Results in this title

D. Tran, G. Müller, S. Müller A study on occupant kinematics with a highly relined seatback position in a frontal crash S. 69-88

„… compression force of C7-T1 joint. ‐ The pelvis angle and the compression force of T12-L1 joint. ‐ The seatbelt …” „… maximum compression force on the spine and injury value HIC 36. Fig. 15 indicated the comparison result …” „… VaAM-O was smaller than VaAM-I. In addition, a high compression force was applied to the human spine (Fig …”

S. Schilling, A. Soni, H. Hinrichs, C. Verheyen, A. Lucht, B. Eickhof, Ekant Mishra Evaluation of motorized seatbelts in the Euro NCAP AEB-CCFtap scenario: Application of a feedback control loop model in Simulink coupled to a finite element model in LS-Dyna S. 295-312

„… force and a faster force-gradient is believed to improve occupant pre-crash kinematics in CCFtap …” „… simplistic modelling approaches involving pre-crash postures [5] and assumed belt forces [6]. Moreover …” „… systems can affect the way the occupants interact with the vehicles. In these scenarios, where low forces …”

A. Srivats, A. Sporbert, M. Unger Submariningverhalten unterschiedlicher FE-Menschmodelle in Sitzpositionen für automatisiertes Fahren S. 237-254

„… Submarinings erfolgt durch die Berechnung der Iliac Kraft. Der Iliac Force Drop ist ein robuster Indikator für …” „… Vieweg, 2014. Bd. 2. Auflage. [4] BIOMECHANICAL RESPONSE OF THE LUMBAR SPINE IN DYNAMIC COMPRESSION …”

doi.org/10.51202/9783181023877

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Kunststoffe im Automobilbau 2017

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 4347 2017

Results in this title

W. Schijve, G. Francato, R. Yaldiz True confidence in thermoplastic composite simulations for any automotive component S. 315-328

„… lines simulation. Fig. 11: 85 °C temperature force-deflection curve for variant with narrow UD strips …” „… in tension, shear and compression in different orientation directions. This will yield the required …” „… compression failure). Covering all these boundary conditions, a single test component was developed as a …”

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

„… CAE models with the test data in terms of measured force-deflection curves and observed material …” „… (force-displacement) This approach covers the strain-rate dependency of the strain-based and stress-based failure …” „… : Simulation of basic specimen forms, uniaxial tension (force-displacement) Low strain rate Medium strain …”

M. Bakkal, O. Otuz, S. Doğru A new analytical calculation method for the injectionmolding process of a composite luggage rack holder S. 295-314

„… . Flow simulations for different types of injection- and compression-molding processes were carried out …” „… rack holder Bolts were applied to eight different positions and were fixed by pre-tension forces …”

doi.org/10.51202/9783182443476

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Plastics in Automotive Engineering 2017

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 4348 2017

Results in this title

W. Schijve, G. Francato, R. Yaldiz True confidence in thermoplastic composite simulations for any automotive component S. 299-312

„… lines simulation. Fig. 11: 85 °C temperature force-deflection curve for variant with narrow UD strips …” „… in tension, shear and compression in different orientation directions. This will yield the required …” „… compression failure). Covering all these boundary conditions, a single test component was developed as a …”

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

„… CAE models with the test data in terms of measured force-deflection curves and observed material …” „… (force-displacement) This approach covers the strain-rate dependency of the strain-based and stress-based failure …” „… : Simulation of basic specimen forms, uniaxial tension (force-displacement) Low strain rate Medium strain …”

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

„… already been characterized in the context of other projects. From the resulting force/displacement or …” „… structures in the center of the vehicle cannot act to absorb emerging forces or to pass them on into the …” „… interaction with the door sill and roof frame structure transmits forces from the A pillar via the B pillar …”

J. Reddemann, H. Seifert Energy-efficient production of thermoplastic CFRP parts by one-step direct processing S. 135-144

„… clamping force, the reinforcing fibers are impregnated with matrix. At the end of the compression phase …” „… is still a compression gap within the cavity. Contact strips are integrated in the spring-loaded …” „… state establishes itself, the injection unit fills the compression gap with matrix material. This starts …”

R. Korn, T. Reußmann 3-D direct deposition of reinforcement fibers in the fiber blowing process – State of the art in natural fiber processing S. 145-156

„… : 1. Making the semi-finished product (production of fiber mats) 2. Making the component (compression …” „… , which is normally done by compression molding. Here, depending on the matrix material used, a …” „… technologies such as, for example, injection molding, compression molding has a number of disadvantages …”

H. Hauke, J. Horstmann Lightweight carrier system for the air filter of the Mercedes-Benz Actros S. 315-316

„… highly-stressed tension and compression areas. The ribbing should be kept as thin as possible. Working out the …” „… replacement. The preloading forces of the screws in the carriers remain so high that the filter element …”

R. Kurz, S. Hobelsberger, H. Auer Sewn-covering lamination for the instrument panel: from the discontinuous to the continuous process S. 13-20

„… activating the adhesive is established and also the compression force required is applied from both sides …”

O. Mende The underbody: an underestimated contribution to CO2 reduction S. 57-74

„… 2020 a more stringent limit value for CO2 emissions from vehicles will come into force in the EU. Here …” „… polypropylene with needled glass fibers is placed in a compression mold and then trimmed by the water-jet …”

M. Bakkal, O. Otuz, S. Doğru A new analytical calculation method for the injectionmolding process of a composite luggage rack holder S. 279-298

„… . Flow simulations for different types of injection- and compression-molding processes were carried out …” „… rack holder Bolts were applied to eight different positions and were fixed by pre-tension forces …”

doi.org/10.51202/9783182443483

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PIAE EUROPE

VDI Wissensforum GmbH (ed.)

2020

Results in this title

M. Kardos, O. Täger, E. Körner New class-A sheet molding compounds for automotive exterior components using a single-step surface hybridization S. 249-264

„… . Since this area hosts all force-transmission points of the semi-structural part, it is crucial to …” „… surface hybridization Co-compression molding of high-quality surfaces Marton Kardos, Olaf Täger …” „… Lackierprozesses führt. Dieser Studie präsentiert einen Lösungsansatz namens Co-Compression Molding (CCM), einem …”

A. Wüst, T. Metzner Development of an energy-absorbing structural element made of polyamide integrated in the plastic front-end carrier of the new Mercedes S-Class S. 1-4

„… metals here Tension-compression asymmetry – in strength and in the event of failure Temperature …” „… robustness and controlled failure. In particular, prediction of the forces occurring in the crash element …”

A. Schmitz The all-new MAN high-roof cab: epoxy-sandwich RTM – simulated using FEM and crashed under real conditions S. 61-76

„… optimize the cw-value, compliance with the ECE R29-3 crash directive, which will come into force from 2021 …” „… following quasi-static test series were carried out: Tensile test Tension/compression test Shear …” „… test force evenly over the roof surface. The component test thus behaves similarly to the real test …”

A. Tiwari, D. Brands, D. Pelletier, C. Pereira Thermoplastics in electric-vehicle battery applications – A lightweight and efficient EV battery concept S. 349-364

„… compression molding or thermoforming. No injection-molded solutions have been found. Fig. 2: Top-cover …” „… keep the maximum force in the frame within its design limit. Thermal management auxiliaries To …” „… from Fig. 18 that the plastic-metal hybrid side member provides efficient energy absorption. The force …”

325 Group Renault Plastic Material Vision for New Mobility Trends S. 311-332

„… costs. 2. Motivation and initial situation Lightweight construction is a major driving force for …” „… function, the two wheel centers must be coupled together via the springs. This enables forces to be …” „… coupling element and the pivot bearing in the center create a force transfer from one wheel to the other …”

doi.org/10.51202/9783181023693

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Bauingenieur

Browse Volumes: Bauingenieur

Bauingenieur Volume 97 (2022) Issue 04 ISSN Online: 0005-6650

Results in this title

Ilias D. Thanasoulas, Charis J. Gantes Analysis and Design of Steel Arches/Analyse und Bemessung von Stahlbögen S. 91-98

„… design values of the compression force and the maximum moments about the y-y and z-z axis …” „… resistance to compression force and bending moments about the y-y and z-z axis along the member …” „… aus der Ebene Grafik: I. Thanasoulas, Ch. Gantes Table 2. Design forcesTabelle 2. Bemessungswerte der …”

Kevin Metje, Torsten Leutbecher Zur Querkraftbemessung von Biegeträgern aus stahlfaserverstärktem ultrahochfesten Beton – Teil 2: Datenbankauswertung und Überprüfung des Bemessungsansatzes/Design of ultra-high performance fibre-reinforced concrete girders subjected to shear – Part 2: database evaluation and review of design approach S. 122-130

„… ) depth of the cross-section d, h) width of the web bw, i) ratio of width of the compression cord to …” „… /app11072951.[26] Bunje, K.; Fehling, E.: About shear force and punching shear resistance of structural …” „… of Steel Fiber-Rein-forced Ultrahigh-Performance Concrete Beams without Stirrups. In: Dieser Beitrag …”

doi.org/10.37544/0005-6650-2022-04

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International Conference on Gears 2023

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2422 2023

Results in this title

J. Gründer, A. Monz Analytical Method for Calculating the Nominal Tooth Root Stress in Worm Gear Shafts S. 1091-1110

„… approach for calculating bending, compression, and shear stresses in the tooth root of worm shafts to close …” „… method is also based on a nominal stress approach by obtaining F from the ratio of the tangential force …” „… formulated in [25]. Bending, compression and shear stresses are calculated in each loaded slice along the …”

J. Zheng, D. Qin, C. Liu A Novel Dynamic Modeling Method of High-Speed Thin-Rimmed Gear Transmission S. 1279-1286

„… forceCentrifugal forceFig. 2: Flow chart of thin-rimmed gear transmission dynamics modeling 2. Model Verification …” „… 1283Without centrifugal force393531With centrifugal forceFacewidth(mm)-20-100102012 1860Position on …” „… comparison between simulation and experiment. The effects of centrifugal force and gear body flexible …”

L.-C. Chang, Q. Y. Zhuang, S.-J. Tsai, J.-F. Hochrein, S. Landler, M. Otto, K. Stahl Comparing the contact characteristics of involute gear/ eccentric cycloidal gear calculated by various loaded tooth contact analysis models S. 397-412

„… half-space force-displacement relations [11], the influence coefficient of contact deformation fH,k can be …” „… , shear wS and compression wN deformation, show in Eq. (11-13). The tooth is considered as a cantilever …” „… iterates until the spring forces within the model reach equilibrium with the external load conditions. Fig …”

D. Gallagher, E. Wiita, R. Weidig Improved Method for Validation of Root Stress in Polymer Gears S. 1333-1350

„… compression side of the tooth, and separate investigations must be made [6]. In cases where gear rims have …” „… ) variables truly equivalent? Definitions for the variables Ft (Nominal Tangential Force), b (Face Width), mn …” „… anvil, placing the applied force along the line of action, tangent to the base cylinder. In order to …”

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

„… focus on the tension side of the tooth, rather than on the compression side. Even though long-fibre …” „… reinforcement in the compression side seems problematic due to buckling considerations, the critical buckling …” „… intersection of the force vector (acting on the highest point of single tooth contact – HPSTC of the drive side …”

J. Lohmiller, F. Dobler, M. Wöppermann Investigating different nodular graphite irons for the application of gears – a step towards standardization by using reasonable quality criteria S. 1731-1748

„… heat-treated under real industrial conditions. In doing so, the tension-compression fatigue strength Sf,tc was …” „… nominal force with a probability of failure of 50%, Fpn, 50%, the staircase method is applied to at least …” „… alternating tension/compression mode. The results also showed the importance of fine nodular graphite for …”

doi.org/10.51202/9783181024225

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Plastics in Automotive Engineering PIAE EUROPE

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2343 2019

Results in this title

M. Gross, M. Oehm, M. Richter, G. Oberhofer Integrative crash simulation of short- fiber-reinforced thermoplastics (SFRT) – Investigation of phenomenologically based material modeling S. 97-114

„… force-displacement curves for SFRT as presented in Fig. 7 show a dependency not only on the fiber orientation but …” „… mesh In the following section, the force-displacement curves from a three-point bending test are …” „… : Comparison of force-displacement curves from experiment and simulation for a three-point bending test …”

D. Degenhardt, L. Greve Elasto-viscoplastic temperature-dependent material model for a talc-filled PP/PE copolymer S. 57-76

„… verify the model calibration, the force-displacement curves of simulation (dashed) and experiment (solid …” „… force-displacement curves of simulation (dashed) and experiment (solid) from quasi-static tensile tests at different …” „… force-displacement curves of simulation (dashed) and experiment (solid) from the quasi-static biaxial tensile tests …”

A. Falke, M. Bohn, T. A. Osswald The systematic path to dimensionally stable plastic components – Differentiation of acceptance dimensions and utilization dimensions S. 277-300

„… external forces and/or moments (strain or compression) that may occur, for example, due to assembly or …” „… , which is why a defined direction-dependent alignment and support at defined reference points (forced …”

doi.org/10.51202/9783181023433

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Bauingenieur

Browse Volumes: Bauingenieur

Bauingenieur Volume 99 (2024) Issue 03 ISSN Online: 0005-6650

Results in this title

Algirdas Juozapaitis, Povilas Dabrila Calculation of pre-stressed cable-stayed steel bridge with intersecting cable stays/Berechnung einer vorgespannten Schrägseilbrücke aus Stahl mit sich kreuzenden Schrägseilen S. 78-83

„… the compression of the pylon and this allows to ex-press Fi only through cable tension forces and …” „… – pre-stress forcesCables elastic modulus is calculated, to take catenary effects into account [18]:Fig. 7 …” „… connection Δc, Δd, Δe, Δf) (Figure 2), bending moments of the girder M, and axial forces of stay-cables Ni …”

doi.org/10.37544/0005-6650-2024-03

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Bauingenieur

Browse Volumes: Bauingenieur

Bauingenieur Volume 90 (2015) Issue 02 ISSN Online: 0005-6650

Results in this title

Nick Lindschulte, Ludger Lohaus Rohre aus Ultrahochfestem Beton mit Stahlblech- ummantelung unter zentrischer Druckbeanspruchung/Tubes of ultra-high performance concrete with steel sheathing under axial compression S. 71-80

„… in den Beton Fig. 7. Influence of the steel thickness on the force-deformation-behavior (C200/0,5 …” „… content on the force-deformation-behavior (steel sheathed UHPC-tubes with and without steel fibers) Bild …” „… with steel sheathing under compression. The effect of different methods to increase the ductility will …”

doi.org/10.37544/0005-6650-2015-02

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Dritev – Drivetrain For Vehicles 2018

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2328 2018

Results in this title

Y. Endo Development of new torque converter lockup control for new generation of infiniti QX50 S. I-79-I-94

„… , the world’s first mass-producible variable compression ratio engine. For the CVT combined with this …” „… The VC-Turbo engine has a variable compression ratio (VCR) mechanism that continuously varies the …” „… compression ratio, enabling the engine to deliver both high performance and high efficiency. The Jatco CVT8 …”

M. Mileti, H. Pflaum, K. Stahl TorqueLINE cone clutch: Thermo-mechanical stability of cone clutches for ATs S. I-357-I-368

„… is applied to the piston (Fig. 2b). The piston transfers an axial force to the cone-clutch system …” „… , being the force finally absorbed by the prestress of the reset-spring. Eventually, when the …” „… synchronization of the inner carrier is complete, the axial force of the piston is further increased, exceeding …”

R. Savelsberg, P. Griefnow, G. Birmes, A. Sehr Advanced powertrain functions of 48 V hybrid vehicles – Efficient powertrains does not exclude driving pleasure S. I-499-I-516

„… gas recirculation, water injection, but also continuous friction reduction and a variable compression …” „… ), which allows the bidirectional force operation of the BSG.Therefore, both generating and motoring …” „… . In this way, the transmission control unit can be forced to perform drive to neutral shifts for …”

doi.org/10.51202/9783181023280

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SIMVEC 2022

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2407 2022

Results in this title

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

„… upward 120mm after achievement a pre-compression force of 200N. The simulations are done with the …” „… simulation results of force-deflection as well as the ratio of artificial energy to internal energy in ABAQUS …” „… force-deflection results show good correlation between simulation and hardware, but there is some problem with the …”

M. Glensvig, C. Kozlik, D. Kreilinger Full Vehicle Virtual Calibration Platform – AVL Co-Simulation and SiL solution S. 629-646

„… Diesel engine. Nr. of cylinders 6 Displacement 11 l Compression ratio 18 Bore 124 mm Stroke 152 mm …” „… parts, like e.g. the compression phase, are calculated based on thermodynamic laws, others are …” „… manipulation to force battery charging. The ICE is moved towards best BSFC-areas, the E-motor acts as generator …”

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

„… σ accounts for all elasto-plastic forces of the snow and f for all accelerations due to external …” „… body forces, e.g., gravity, adhesion, air flows. Hyperelasticity assumes that the stress tensor can be …” „… compression Determines when the snow starts to deform plastically when compressing. Larger values result in …”

doi.org/10.51202/9783181024072

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LAND.TECHNIK 2020

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2374 2020

Results in this title

D. Wildner, T. Herlitzius, T. Berg Concept development of a traction management system using the example of a pipe laying machine S. 387-394

„… required tensile force. In addition, soil compression could be reduced by minimizing vertical load to a …” „… . 4-A shows the adjustment process by reaching an upper threshold value. The reference force-slip …” „… tool forces, to manipulate the transferable tensile force of the track undercarriage. Furthermore, the …”

M. Pußack, I. Stasewitsch, L. Frerichs Investigations of a cutter bar operated in resonance mode with an electric direct drive S. 151-156

„… capable of generating an oscillating driving force. As electric motors have become stronger and more …” „… schematics In the approach considered here, the oscillating mass is coupled with compression springs. The …” „… bar is only slightly influenced by the variation of the damping due to bearing and cutting forces …”

A. Lindenberger, C. Korn Parameter identification for Discrete-Element-Method (DEM) particles of a self-propelled forage harvester (SPFH) chopping sample S. 135-142

„… repose tests or inclined plane tests. Other standard calibration experiments are e.g. compression tests …” „… discharge. Particles in particular for cutting and compression processes are not part of this paper …” „… indicates the presence of a cohesion force. The numerical results in Fig. 8 confirm the influence of a …”

A. Kunz Alternative drives for agricultural machines – Legal frame, meaning, concepts, validation, conclusion S. 405-412

„… transition is the Climate Protection Law [7] entering into force in December 2019, which was supplemented by …” „… by customers already. Such already realized concepts can be grouped into liquid fuels (Compression …” „… ignited engines operated with alternative fuels), gaseous fuels (Compression or spark ignited engines …”

doi.org/10.51202/9783181023747

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Results (166)