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

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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

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

„… Tolerance Analysis based on Skin Model Shapes Toleranced Feature Reference Feature 0 0.5 1 1.5 2 2.5 3 3.5 4 …” „… virtual mock-ups. 7us, the concept of Skin Model Shapes is a novel paradigm for modelling geometrical …” „… generation of Skin Model Shapes highlighted in section 4.3 allow the modelling and reproduction of such …”

The Concept of Skin Model Shapes as a new Paradigm for the Modelling of Geometrical Variations S. 67-84

„… design stages builds up on the nominal model (e. g. modelled in solid modellers and CAD systems) and is …” „… concept of Skin Model Shapes as a novel paradigm for the virtual modelling and representation of …” „… , in contrast to other established variation modelling and tolerance representation models (see Figure …”

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

„… based on Skin Model Shapes As it has been highlighted, tolerance analysis is a main issue in the …” „… . 7us, the framework for the tolerance analysis based on Skin Model Shapes is applied to multiple …” „… feature of the second cube with reference to the ideally even plane. Figure 7.1 highlights the study case …”

Context and State of the Art S. 5-62

„… quantities on technical drawings or on three-dimensional solid models per model-based definition (MBD) of …” „… reference part, called a “masterpiece” [Har14], but also of the set of acceptable non-ideal product …” „… . Particularly, in the automotive industry, the application of simulations and computer models has been …”

Bibliography S. 199-238

„… .; Mathieu, L.; and Wartzack, S. From solid modelling to skin model shapes: Shiqing paradigms in …” „… for volcanic source modeling quality assessment and model selection. Computers & Geosciences, 44:52 …” „… . Information Modeling to Manage Tolerances during Product and Process Design. In Davidson, J., editor,Models …”

doi.org/10.51202/9783186438010

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

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Christian Woitzik

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

Series: Mechanik/Bruchmechanik

Volume 356 2021

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Constitutive equations and numerical implementation S. 6-23

„… material behaviour The elasto-plastic material model provides the constitutive equations for the modelling …” „… constitutive equations describing the material behaviour. Two different models are used for the granules: on …” „… the one hand, the Mohr- Coulomb material model, and, on the other hand, the hypoplastic material model …”

Numerical investigation S. 88-112

„… experiments are modelled and simulated using two different material models for the granules, as described in …” „… simulations. It can handle non-linearities due to material models, rupture, and friction, and the small time …” „… resolution is favourable for comparisons with experimental data. The initial model used for the calculations …”

Titelei/Inhaltsverzeichnis

„… designed for experimental testing, followed by a numerical study of different material models for the …” „… . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.1.3 Hypoplastic material model . . . . . . . . . . . . . . . . . . . . . . 12 2.1.4 Damage …” „… . . . . . . . . . . . . . . . . . . . . . . . 116 A.1 Experimental results for material models . . . . . . . . . . . . . . . 116 A.2 Numerical …”

Experimental investigation S. 64-87

„… 5.1: Model of the considered double hull structure with a box to contain the granules and a small …” „… experimental results. The experiments without granules are designed as reference experiments. As shown in Table …” „… the reference for the second experiment. Due to the symmetry of the hull structure, no or only little …”

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

„… . Thereafter, a statistical model is derived to represent the variety of the observed parameter distribution …” „… of grain properties The scope of using DEM to model the granules in the near field of the collision …” „… model is presented. 26 3.2 Determination of grain properties 3.2.1 Single particle tests To obtain the …”

doi.org/10.51202/9783186356185

VDI Wissensforum GmbH - Commercial Vehicles 2023

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VDI Wissensforum GmbH (ed.)

Commercial Vehicles 2023

Series: VDI-Berichte

Volume 2417 2023

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S. Han, G. Park, Y. Ahn, K. Huh Development of A Path-Tracking Controller for Tractor with Two Articulated Trailers Based on Model Predictive Control S. 247-260

„… for the estimation of the T-MUT vehicle state, and a model-based control system, namely MPC, is …” „… estimating the hitch angles is compared using three distinct methods: kinematic model-based calculation …” „… model-based Kalman filter, thereby improving the estimation accuracy of both the 1st and 2nd hitch angles …”

F. Schweizer, T. Pflanz, M. Wagenblast, W. Tegethoff, J. Köhler, F. Breuer, L. Frerichs Fuel cell electric drive concept for heavy-duty commercial vehicles S. 123-140

„… sub-modules developed in Model-ica/Dymola, GT-Suite, and Matlab/Simulink simulate the vehicle model. The …” „… cooling systems, are modeled in Modelica/Dymola using the TIL library. Wind tunnel testing is used to …” „… in the early project phase. This method assumes a simulation model that mathe-matically maps the …”

F. Domprobst, J.-F. Beaupère Learnings of the 2nd year of CO2 reporting by OEMs S. 153-164

„… described in several reference papers listed below, especially in the last paper presented in HVTT16. Some …” „… Nr. 2417, 2023 1595. Real life fuel consumption split The strategy is to tune some truck model …” „… coefficients to align a force model on the actual traction force available on the CAN bus. The dynamic …”

N. Büteröwe, G. Müller, S. Müller, H. Ulmer, S. Reetz Road-Tire Friction Potential Estimation for Heavy-Duty Vehicles S. 217-228

„… corresponding friction models. On the other hand, effect-based approaches measure the effects that occur during …” „… input features for a model consisting of an artificial neural network (ANN) that is trained to estimate …” „… considered as additional input variables for the intermediate layer estimation model. 4. Evaluation of the …”

A. Malczyk, M. Kühn, P. König Faster Evacuation from Coaches – What are the Obstacles? S. 261-0

„… ” representing the simplified profile of an adult human body. Meanwhile, also digital simulation models (RAMSIS …” „… identifying emergency exits) were significantly longer in the tilted vehicle compared to reference trials in …” „… three-point automatic seat belts (mostly an option for some coach models) in vehicles that have tilted into an …”

X. Seykens, C. Bekdemir, P. van Gompel How can hydrogen combustion engines contribute to realizing climate targets? S. 105-122

„… heavy-duty vehicles with an average fleet CO2 reduction target of 45% by 2030 (reference 2019) [3], see also …” „… trailer combination is used as reference following the vehicle configuration definition from the VECTO …” „… technologies are more expensive than the diesel-ICE reference. For the Battery Electric Vehicle battery prices …”

S. Tjaden, H. Flämig Designing a future-oriented logistics system with driverless driving S. 191-204

„… driverless driving with the help of the sensitivity model [14] and a specially developed System Dynamics (SD …” „… ) simulation model. In a first step, the variables on which driverless driving has an impact were identified …” „… mentionEffected variablesVDI-Berichte Nr. 2417, 2023194of the variables. With the help of the sensitivity model …”

J. Schöning, N. Kruse AI-Supported Assessment of Load Safety S. 67-80

„… image classification have evolved rapidly in the past, so that many models exist today, using the …” „… in Fig. 1 that the overfitting effect occurred approximated at epoch 50. From this epoch, the model …” „… resolution can significantly impact the model’s performance, so a higher resolution can also lead to better …”

C. Liehr The future is Megawatt Charging – A high power revolution on charging infrastructure for commercial vehicles S. 25-34

„… ferries as well as the development of new business models for battery-powered boats, which should make …” „… , 2023 33References in this document [1] https://commission.europa.eu/strategy-and-policy/priorities …”

C. Peteranderl, M. Zähringer, G. Balke, J. Schneider Megawatt charging as an enabler for battery-electric long-haul trucks – is that enough? S. 55-66

„… any loss of time for BETs in long-haul transport in the next model generation and will therefore …” „… . Acknowledgments and References This work has received funding from the German Federal Ministry for Economic …”

P. Akerman, A. Rupprecht Dynamic charging for trucks S. 35-46

„… cannot address all road freight missions (a popular niche to reference seems to be forestry trucks, which …” „… funding support from the German Ministry of Economic Affairs and Climate Action (BMWK). References [1 …” „… model for the financing and billing of electric road systems (ERS), working paper, pp 11-18 …”

doi.org/10.51202/9783181024171

Juan José Wilhelm Victoria Villeda - Reaction Network Generation and Evaluation for the Design of Biofuel Value Chains

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Juan José Wilhelm Victoria Villeda

Reaction Network Generation and Evaluation for the Design of Biofuel Value Chains

Series: Verfahrenstechnik

Volume 950 2017

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Case studies S. 95-127

„… step. Currently there is no general modeling framework available for model-based identification of such …” „… of their production processes is assessed for the first time in this study. 6.1 Defining a reference …” „… processes. Only such routes that are comparable to or even outperform such references can be considered as …”

Appendices S. 132-169

„… their property values. 151 D - Property models Table D.1 – Information upon QSPR models and modeling …” „… - Property models The evaluation of de-novo synthesis pathways requires knowledge on the thermophysical …” „… often large, the property models have to embody a compromise between accuracy and calculation effort …”

Titelei/Inhaltsverzeichnis

„… several analytic stages. The model-based centers around the generation of reaction networks that head from …” „… number investigatable scenarios. Holistic, model-based XV Abstract approaches for generating, identifying …” „… . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 6 Case studies 95 6.1 Defining a reference process …”

Conclusions and outlook S. 128-131

„… 7 Conclusions and outlook This contribution presents a computational, model-based approach for …” „… second aspect targets a more rigorous model-based foundation for the design and production of biofuel …” „… substances in the network is investigated to provide 128 7.1 Increasing property model detail and accuracy an …”

Introduction S. 1-10

„… the underlying phenomena render an entirely model-based description of the value chain a desired, but …” „… sub-problems, i.e., model-based product and process design. To achieve overall optimal solutions, product and …” „… product-process design approach to the model-based design of mixtures by estimating the properties of …”

Reaction network generation: Introduction to the basic algorithm S. 11-54

„… rate of substances to a user-defined reference rate (Song, 2004). The generation ends when the …” „… Ratkiewicz and Truong (2003) in the form of COMGEN. EXGAS is a tool that generates detailed kinetic models of …” „… networks with information on thermophysical properties and kinetic data. The derived models are directly …”

doi.org/10.51202/9783186950031

Daniel Marolt - SWARM: A Novel Methodology for Integrated Circuit Layout Automation Based on Principles of Self-organization

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Daniel Marolt

SWARM: A Novel Methodology for Integrated Circuit Layout Automation Based on Principles of Self-organization

Series: Rechnerunterstützte Verfahren

Volume 475 2020

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References S. 231-250

„… References – Bibliography References A reader lives a thousand lives before he dies. The man who …” „… content, URL: http://www.archive.org/stream/ popularsciencemo84newy#page/214/mode/1up. 231 References …” „… , 1999. 232 References – Bibliography [20] Yaneer Bar-Yam, “A Mathematical Theory of Strong Emergence …”

Titelei/Inhaltsverzeichnis

„… server of the University of Stuttgart. In the following text, concrete references to the first part of …” „… . . . . . . . . . . . . . . . . . . . . . . . . . 18 2.4.8 Law of Requisite Variety . . . . . . . . . . . . . . . . . . . . . . . . . 19 2.5 Models of …” „… Multi-Agent Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 2.5.4 Agent-based Models of …”

An Interdisciplinary Approach – Preliminary Considerations S. 4-28

„… classes: simple reflex agents, model-based reflex agents, goal-based agents, utility-based agents, and …” „… existing models and implementations of decentralized systems. Finally, Section 2.6 alludes to the …” „… and the resulting macroscopic behavior (terms used by [20]) are investigated in many existing models …”

The Methodology: Self-organized Wiring and Arrangement of Responsive Modules S. 29-165

„… ’ Boids [138] 1987 Agent-based Simulation Model Boids Particle Swarm Optimization [131] 1995 …” „… world” [103]), SWARM implements a more sophisticated decision-making model built around a participant’s …” „… during the interaction. As shown in Figure 3.17, the distance between two participants is modeled as a …”

Implementation and Results S. 166-213

„… their transistor gates with the drain of the reference transistor. On the same account, the Differential …” „… of Section 3.3.1.2, the distance between two blocks is modeled as a 183 4. Implementation and Results …” „… noisy IC sections. In further developments of SWARM, this could be achieved by modeling compressive …”

doi.org/10.51202/9783186475206

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