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Bauingenieur

Alle Ausgaben: Bauingenieur

Bauingenieur Jahrgang 95 (2020) Heft 11 ISSN Online: 0005-6650

Treffer in den folgenden Teilen:

H. D. B. Aji, M. B. Basnet, Frank Wuttke A numerical study on the influences of underlying soil and backfill characteristics on the dynamic behaviour of typical integral bridges

„… the surrounding soil characteristic. In this article, we extended our hybrid BEM-FEM steady-state …” „… dynamic numerical tool to the 3D regime, developed by utilizing an in-house BEM and the commercial FEM …” „… translational and rotational springs can be found in [20] while a 3D time history FEM of a semi-integral bridge …”

Viviane Adam, Maike Harter, Josef Hegger, Reinhard Maurer, Günter Alex Rombach, Eva Stakalies, Remus Tecusan, Linda Wentzek, Konrad Zilch Querkrafttragfähigkeit von Stahlbeton- fahrbahnplatten ohne Querkraftbewehrung von Brücken im Bestand unter vorwiegend konzentrierten Radlasten/Shear Capacity of Reinforced Concrete Deck Slabs without Shear Reinforcement of Existing Bridges under Predominantly Concentrated Wheel Loads S. 419-429

„… Nachweisführung basiert auf einer computergestützten Schnittgrößenermittlung und Bemessung mit FEM an einem …” „… . Die Schnittgrößen für Fahrbahnplatten werden grundsätzlich sinnvoll mithilfe der FEM ermittelt. Für …” „… %. 4.1.4 Maßgebende Querkraftbeanspruchung v Ed,FEM Nachfolgend wird der Einfluss aus einer Mittelung der …”

Dominik Krawczyk, Pawel Nowak Optimierung der Revitalisierungskosten von Bestandsobjekten

„… ultimative FEM-Programm RstaB 8 Das räumliche Stabwerksprogramm © www.lendlease.com software für statik und …” „… ] Ustinovichius, L.; Zavadskas, E.; Migilinskas, D. et al.: Verbal Analysis of Risk Elements in Construction …” „… ] Nowak, P.; Skłodkowski, M. Multicriteria analysis of selected building thermal insulation solutions. In …”

Rudolf Heuer, Andreas Kolbisch, Ali Khazei Study of the Seismic Performance of Composite Shear Walls with Embedded Steel Truss For Use in High-rise Buildings

„… composite walls with encased steel braces (ESB walls). Time history analysis will be performed to examine …” „… braces encased in the reinforced concrete shear wall. Time history analysis, on the braced frames will …” „… - shaped braces and inverted V brace were added to the frames. A time history analysis was performed on …”

Viviane Adam, Martin Herbrand, Josef Hegger Querkrafttragfähigkeit von Brückenträgern aus Spannbeton mit geringen Querkraftbewehrungsgraden/Shear Capacity of Prestressed Concrete Bridge Girders with Small Shear Reinforcement Ratios S. 397-407

„… nichtlinearen FEM Berechnungen. In: Bauingenieur 92 (2017), Heft 12, S. 518-527. [20] Gleich, P.; Kattenstedt, S …” „… reinforced concrete members without transverse reinforcement – An analysis of the critical shear crack …”

doi.org/10.37544/0005-6650-2020-11

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Bauingenieur

Alle Ausgaben: Bauingenieur

Bauingenieur Jahrgang 93 (2018) Heft 04 ISSN Online: 0005-6650

Treffer in den folgenden Teilen:

U. Häußler-Combe Ein Vergleich aktueller numerischer Rechenverfahren am Beispiel von Scheibentragwerken mit Rissen/Current numerical methods in comparison with the example of cracked plates S. 131-140

„… study of the X-FEM for stress analysis around cracks. In: Int. J. Numer. Meth. Engng., Vol. 64 (2005 …” „… Scheiben mit den Methoden „Strong Discontinuity Approach“ (SDA)“, „Extended Finite Elements“ (X-FEM …” „… ), „Extended Finite Elements” (X-FEM), „Element-Free-Galerkin” (EFG) and isogeometric methods (IGA). On the …”

A. Paolini, F. Frischmann, S. Kollmannsberger, A. Rabold, T. Horger, B. Wohlmuth, E. Rank BIM gestützte strukturdynamische Analyse mit Volumenelementen höherer Ordnung/BIM-based structural dynamic analysis using higher-order volumetric finite elements S. 160-166

„… structural dynamic analysis using higher-order volumetric finite elements groben Netz erreicht. Nach der …” „… Finite-Elemente-Methode (FEM), also solcher Modelle, die beispielsweise Schalenund Balkenelemente beinhalten [4], [5], [6 …” „… Beschreibung der p-Version der FEM sowie der Mortar-Methode. In Abschnitt 5 wird die Anwendbarkeit des …”

M. Garifullin, B. Launert, M. Heinisuo, H. Pasternak, K. Mela, S. Pajunen Effect of welding residual stresses on local behavior of rectangular hollow section joints/Einfluss der Schweißeigenspannungen auf die Tragfähigkeit von Rechteck-Hohlprofil-KnotenTeil 1: Entwicklung eines numerischen Modells S. 152-159

„… structural behavior of tubular joints, these stresses should be taken into account in the analysis. Many …” „… dealing on the same issue can be found in [5], [6], [7]. A comprehensive numerical analysis on welding …” „… analysis (FEA), which is implemented in a broad range of software. This paper creates a finite element …”

doi.org/10.37544/0005-6650-2018-04

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

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Simeon Hubrich

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

Reihe: Mechanik/Bruchmechanik

Band 355 2021

Treffer in den folgenden Teilen:

Introduction S. 1-5

„… simulation tools in the development phase. Here, the application of the finite element method (FEM) is one of …” „… stages of the development cycle. Therefore, many commercial FEM software packages exist, such as Abaqus …” „… discretization approach of the standard FEM is based on boundary-conforming elements, the mesh generation of …”

Bibliography S. 154-169

„… . Bazilevs. Isogeometric analysis: Towards Integration of CAD and FEM. John Wiley & Sons, 2009. [6] T. J. R …” „… implementation and robustness study of the X-FEM for stress analysis around cracks. International Journal for …” „… . Hughes, J. A. Cottrell, and Y. Bazilevs. Isogeometric analysis: CAD, finite elements, NURBS, exact …”

Basis function removal for the FCM S. 79-123

„… the benchmark problem, we employ an overkill p-FEM solution based on a fine mesh using 3,200 elements …” „… and an ansatz of order p = 5. The p-FEM discretization is given in Fig. 5.4a. For the elements along …” „… a fine discretization for the FCM analysis. In doing so, the plate is discretized by 78 86 5.2 …”

A remeshing strategy for the FCM S. 124-149

„… overkill pFEM analysis. The pFEM discretization is illustrated in Fig. 5.4a. Here, we use 3,200 elements …” „… decrease the accuracy of the analysis and affect the convergence behavior of the Newton-Raphson procedure …” „… . In general, the analysis fails due to self-penetration of the cut cells. The subject of degenerated …”

The finite cell method S. 23-35

„… cell method [19–22], CutFEM [16, 17, 85], or CutIGA [18] – has increased significantly in the field of …” „… body-conforming discretization methods like the classical finite element method (FEM). In the following, we …” „… , the FCM provides a simple mesh generation and analysis for a wide variety of geometric models such as …”

Moment fitting quadratures S. 36-78

„… finite cell method (FCM) [19–22] or the CutFEM [16, 17] – particular consideration has to be given to the …” „… method based on moment fitting, the divergence theorem, and shape-sensitive analysis. In this chapter, we …” „… problem under investigation is depicted in Fig. 4.21a. For the analysis, the sphere is loaded on its …”

doi.org/10.51202/9783186355188

VDI Wissensforum GmbH - International Conference on Gears 2017

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VDI Wissensforum GmbH (Hrsg.)

International Conference on Gears 2017

Reihe: VDI-Berichte

Band 2294 2017

Treffer in den folgenden Teilen:

B. Schlecht, T. Schulze, K. Riedel Tooth contact analysis under load on double helical-geared planetary gearboxes S. 83-96

„… Tooth Contact Analysis under Load on Double Helical-Geared Planetary Gearboxes Prof. Dr.-Ing …” „… research in the ongoing process of the project. 2. Need of FEM and analytical calculation methods and …” „… determined by analytical calculation methods only. FEM models must be analyzed in terms of deformation and …”

A. Miltenović, M. Banić, Ž. Mišković, R. Mitrović, V. Miltenović Prediction of heat generation in transmission bearings by application of FEM S. 1199-1208

„… Prediction of Heat Generation in Transmission Bearings by Application of FEM Assis. Prof …” „… bearings by using FEM software ANSYS. Kushwaha [2] focused his study at speed of temperature change in …” „… Khonsari [4, 5] developed thermomechanical model using finite elements in ANSYS. Thermal analysis was …”

M. Kanters, B. van Wissen, R. Nickel Relevant tribological testing method for high performance plastic gears S. 1507-1518

„… the validity of the FEM analysis the contact pressure, contact width, and sliding distances are …” „… obtained from a corotating disc experiment to the wear of actual gears using FEM. The approach is discussed …” „… finite element methods (FEM) are used to determine the distribution of the contact pressures and sliding …”

T. Aoyama, H. Inokura, Y. Shibata Prediction of plastic deformation in hypoid gears S. 669-682

„… is calculated by a contact analysis by using a non-linear FEM program. However, this approach has …” „… analysis using a non-linear FEM program, applying the contact load calculated by TCA to the tooth surface …” „… (TCA) Contact load Elasto-plastic analysis (FEM) VDI-Berichte Nr. 2294, 2017670 Table 1: Dimensions of …”

L. Geng, N. Mimi, L. Lan, Z. Ying, W. Liyan Mesh stiffness of cylindrical gear including tooth surface – Friction based on FEA method S. 807-814

„… stiffness of cylindrical involute gears using a combination of finite element method (FEM) and local contact …” „… analysis of elastic bodies. The normal compliances matrix and normal-tangential compliances matrix are …” „… derived through an elastic line-contact analysis. The oil film thickness and stiffness are calculated by …”

E. Maier, A. Ziegltrum, T. Lohner, K. Stahl Characterization of TEHL contacts of thermoplastic gears S. 1483-1496

„… element method (FEM) or potential theory), load balance equation and energy conservation. For soft EHL …” „… submodels FEM-model( , ) and FEM-model( ), is used as a starting point. The FEM-model( , ) solves the …” „… for a constant temperature field based on a fully coupled approach. The FEM-model( ) solves the …”

J. Papies Load distribution in planetary gears considering effects of manufacturing tolerances with a statistical approach S. 783-794

„… analysis with respective extreme values. This significantly reduces the effort of a closer examination, but …” „… conditions. In experimental results, this effect is taken into account using a statistical analysis. However …” „… possible – with an almost unchanged increase in knowledge. The results of this analysis can be …”

M. Daffner, M. Otto, K. Stahl Elastic deformation of a hypoid gearbox – Measurements on a static test rig to validate the calculated elastic deformation behavior S. 683-694

„… factor for the detection of the deformation parameters. A FEM-analysis was carried out. The results have …” „… automotive hypoid gearboxes with aluminum housing. In this paper, the deformation analysis of housing …” „… advantage of these programs, in comparison to a full FEM approach, is an efficient parameterization of gears …”

O. Berka, M. Dub, F. Lopot Experimental measurement of gears impact in transmission S. 1119-1126

„… Conference on Experimental Stress Analysis, pp. 16- 19. (2015) [5] Petr, K.: FEM calculation of gear mesh …” „… ., Dynybyl, V., Berka, O.: Experimental analysis of stress state and motion of tram gearbox hinge. EAN 2014 …” „… - 52nd International Conference on Experimental Stress Analysis, (2014) [2] Berka, O., Lopot, F …”

T. Saito, K. Miyamoto Traction drive analysis identified with rheological friction property of traction fluid S. 1185-1190

„… Traction drive analysis identified with rheological friction property of traction fluid Toshihiro …” „… temperature were identified from the dynamic behavior analysis model for a four-roller test apparatus together …” „… the vibration, displacement, and traction surface heat generation resulting from dynamic contact, FEM …”

B. Schlecht, F. Rudolph, S. Schumann Experimental studies and simulation of hypoid gear lapping S. 1403-1414

„… , tooth contact analysis is only executed for the resting positions of the lapping path. To simulate …” „… fine temporal resolution of the lapping process. Therefore, tooth contact analysis is done by a …” „… semianalytical approach rather than commercial FEM software, which is used for validation. The proposed method …”

R. Meissner, M. Liewald, T. Benkert, M. Hiller, W. Volk Multi-component gearwheels and their manufacturing processes S. 1299-1306

„… for the gearwheel with stapled sheet metal wheel body A two-stage FEM model is built in Abaqus 6.12-3 …” „… . Table 2: Material properties of wheel bodies and gear ring used in the FEM models 4 Forged wheel …” „… structural analysis. For the forming process, the tool geometry described in [6] is used. Hence, the punch …”

J. W. Vriesen Topographical tooth modifications in planetary gears for reduction of the noise excitation without load capacity loss – Optimization of complex systems capable of oscillation S. 185-196

„… possible and exactly. The finite elements method (FEM), [13], is very helpfully and nowadays the software …” „… better opinion and be of use for t2 and r2 for further evaluations or for the use in further analysis …” „… the wind turbine, the evaluation of a complex finite elements analysis delivers the exemplary results …”

J. Champain, S. Dalle, M. Octrue Simultaneous experimental characterization of dynamic transmission error to noise and vibration behavior of a gear system under load S. 953-962

„… resulting of the FEM modal analysis, showing the modal behavior of the thin face are presented in Fig. 4 …” „… . Fig. 4: Modal analysis: Two first eigen modes of the thin upper face of the gearbox. VDI-Berichte …” „… : Instrumentation for vibration analysis During operating conditions, transmission error level is evaluated …”

E. Chiappetta, D. Morrey Non-standard spur gear tooth profiles for improved epicyclic gear system performance in low speed applications S. 825-834

„… negligible in this study. Furthermore, for the following analysis very low speed rates have been used so …” „… resulting contact stress and bending stress variation, calculated by quasi-static FEM for the case in which …” „… the mesh cycle for different design scenarios were modelled using finite element analysis (Ansys [13 …”

Titelei/Inhaltsverzeichnis

„… Planetary Gear Systems – Design and Analysis S. Grützner Holistic simulation of gearboxes – system …” „… difference of two – a comparative study on C.-H. Huang contact characteristics and load analysis This …” „… , Finite element method based analysis of planetary 75 G. Korbetis, gear systems considering backlash and …”

R. Müller, L. Schirmer New tolerance concepts for the realization of steel-only worm gears S. 467-478

„… The analysis of the current product and process as well as the development of design and production …” „… in mind, a product and process analysis is done. Process and product optimization aim at …” „… implementing optimization tasks, which are derived from the analysis. [4] Key Characteristics Key …”

D. Strasser, S. Troll, R. Sperlich, J. Münch Reliability safeguarding for an 8 MW wind energy gearbox in serial production – Prototype and process development ensuring stable quality at the highest level S. 1085-1100

„… component’s deformation in clamping devices their behavior has been investigated by using FEM-analysis. The …” „… . D-/P-FMEA: Design-/Process Failure Mode Effect Analysis VDI-Berichte Nr. 2294, 20171088 For the loads and …” „… , frequency analysis of selected units leads to a permanent view on the process conditions and allows …”

K. Tsujii, R. Ishikura, K. Inoue, Y. Tanaka, T. Morita Effect of alloying elements on edge part over-carburizing in vacuum carburizing S. 1415-1426

„… existed in the apexes of the edge parts, and it was confirmed through FEM analysis that this test can be …” „… were conducted for using the specimens with edge parts. And, detailed analysis of the fracture …” „… analysis of 60° specimens of Steel A. It showed that the corresponding areas on both sides of a fracture …”

S.-J. Tsai, L.-C. Chang, C.-H. Huang Design of cycloid planetary gear drives with tooth number difference of two – a comparative study on contact characteristics and load analysis S. 61-74

„… applied method for analysis of the contact stress of the cycloid gear drives is FEM, e.g. [4-6]. The …” „… Study on Contact Characteristics and Load Analysis Prof. S.-J. Tsai, VDI, L.-C. Chang, C.-H. Huang …” „… comparison with the conventional drives should be explored. The essential work for the load analysis is to …”

Z. Roth, J. Opferkuch High load capacity gear root fillet contour with a bézier curve S. 719-732

„… this basis, the professor for damage analysis at the Karlsruhe Institute for Technology developed the …” „… 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 Sigma_O,U [MPa] Sigma_FEm [MPa] S_F [-] R [-] Zahnlueckenkontur min …” „… 1.0 0.5 0.0 Zahnlueckenkontur min. Sicherheit Sigma_O,U [MPa] Sigma_FEm [MPa] S_F [-] R …”

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

„… gap. Using FEM it can now be shown, that not only the load is distributed between a high number of …” „… teeth, but that real area contact is realized within this contact, Fig. 2.1-2. The analysis of teeth …”

doi.org/10.51202/9783181022948

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Bauingenieur

Alle Ausgaben: Bauingenieur

Bauingenieur Jahrgang 99 (2024) Heft 03 ISSN Online: 0005-6650

Treffer in den folgenden Teilen:

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 calcula-tion method results are compared to the numerical analysis using the FEM …” „… analysis of the bridge structure (numeric modeling) was performed using a FEM program, Dlubal RFM. Results …” „… the bridge is loaded as shown in Fig. 6.3 Numerical analysisA numerical analysis was performed to …”

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

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