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Proceedings of the Munich Symposium on Lightweight Design 2022 : Tagungsband zum Münchner Leichtbauseminar 2022 / / herausgegeben von Jasper Rieser, Felix Endress, Alexander Horoschenkoff, Philipp Höfer, Tobias Dickhut, Markus Zimmermann
| Proceedings of the Munich Symposium on Lightweight Design 2022 : Tagungsband zum Münchner Leichtbauseminar 2022 / / herausgegeben von Jasper Rieser, Felix Endress, Alexander Horoschenkoff, Philipp Höfer, Tobias Dickhut, Markus Zimmermann |
| Autore | Rieser Jasper |
| Edizione | [1st ed. 2023.] |
| Pubbl/distr/stampa | Cham : , : Springer International Publishing : , : Imprint : Springer Vieweg, , 2023 |
| Descrizione fisica | 1 online resource (155 pages) |
| Disciplina | 620.0042 |
| Altri autori (Persone) |
EndressFelix
HoroschenkoffAlexander HöferPhilipp DickhutTobias ZimmermannMarkus |
| Soggetto topico |
Engineering design
Materials - Analysis Industrial engineering Production engineering Engineering Design Materials Characterization Technique Industrial and Production Engineering |
| ISBN | 3-031-33758-1 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Intro -- Preface -- Contents -- The Editors -- Design and Investigation of a Thermoelastic Actuator with Tailored Unidirectional Thermal Expansion and Stiffness using Mechanical Metamaterials and Joule Heating Activation -- 1 Introduction -- 2 Design of the Thermoelastic Actuator Cell -- 2.1 Negative Thermal Expansion Mechanism of the Actuator Cell -- 2.2 Design Objectives and Parametrization of the Geometry of the Actuator Cell -- 2.3 Joule Heating Activation -- 3 Investigation of the CTE and the Stiffness of the Actuator Cell -- 3.1 Influence of the Edge Length a and the Overall Thickness t1,2 -- 3.2 Influence of the Double Cone Shape of the Legs -- 3.3 Comparison of Actuator Cells with Tapered and Non-Tapered Legs -- 3.4 Influence of the Thickening of the Middle Strut on the CTE -- 4 Investigation of the Transient Thermal Expansion Applying Joule Heating Activation -- 5 Conclusion -- References -- Additive Manufacturing of Continuous Fiber-Reinforced Composites -- 1 Introduction -- 2 Continuous Fiber Reinforcement in 3D Printing -- 2.1 3D Printing Systems -- 2.2 Toolpath Generation -- 2.3 Component Design -- 3 Design of the 3D Printing System -- 3.1 3D Printing Head -- 3.2 3D Printing System Control and Toolpath Generation -- 3.3 Printing Results -- 4 Load-Optimized Component Design -- 4.1 Design Strategy for Load-Optimized Component Design -- 4.2 Current Results -- 5 Summary and Outlook -- References -- Insect Wing Inspired Design and Manufacturing of Multifunctional Automotive Applications Using Stereolithography and Subsequent Short Carbon Fiber Reinforcement -- 1 Background and Motivation -- 1.1 Multifunctional Insect Wing -- 1.2 Goal -- 2 Topology Optimization and Design -- 3 Manufacturing Technology -- 4 Results -- 4.1 Mechanical Properties -- 4.2 Electrical Conductivity -- 4.3 Crack Stop Function -- 5 Conclusion and Outlook.
References -- Comparison of Different Material Systems for Filament Winding Based on the Split-Disk Experiment and Setup of a Digital Twin -- 1 State of the Art and Motivation -- 2 Bobbin Infusion Process and TPreg"472 Material -- 3 Specimen Geometry and Material Analysis -- 4 Split-Disk-Experiment and Digital Twin -- 4.1 Experimental Setup -- 4.2 Digital Twin -- 4.3 Results -- 5 Conclusion and Outlook -- References -- Digital Approaches for Optimization of Composite Processing: Bayesian Optimization for Impregnation and Fibre Spreading In-Situ Monitoring -- Abstract. -- 1 Introduction -- 2 Experimental -- 2.1 Materials -- 2.2 Methods -- 3 Results and Discussion -- 3.1 Part A: Bayesian Optimization for Towpreg Processing -- 3.2 Part B: In-Situ Monitoring for Fibre Spreading -- 4 Conclusion -- 4.1 Part A: Bayesian Optimization for Towpreg Processing -- 4.2 Part B: In-Situ Monitoring for Fibre Spreading -- References -- 3D Material Characterization and Determination of Out-Of-Plane Properties Based on Digital Image Correlation -- Abstract. -- 1 Introduction -- 2 Experimental Work -- 2.1 Strain Measurement Using Digital Image Correlation -- 2.2 Specimens and Test Device -- 2.3 Test Results -- 3 Simulation -- 3.1 Injection Molding Simulation -- 3.2 Mapping -- 3.3 Finite Element Analysis -- 3.4 Postprocessing -- 4 Summary and Outlook -- References -- Influence of Plasma Coating Pretreatment on the Adhesion of Thermoplastics to Metals -- Abstract. -- 1 Introduction -- 2 Materials and Methodology -- 2.1 Materials -- 2.2 Manufacturing Process -- 2.3 Design of Experiments -- 2.4 Mechanical Testing -- 3 Results and Discussion -- 3.1 Test Results -- 3.2 Statistical Modelling of Parameter Interactions -- 4 Conclusion -- References -- Differential Evolution Based Optimisation of Multi-layered Space Radiation Shielding for Satellite Electronics -- 1 Introduction. 2 Particle Flux Predictions -- 3 Radiation Shielding Optimisation -- 4 Demonstration Tri-Layer Laminate -- 5 Conclusion -- References -- Integrating Geometric Metamodel-Assisted Process Assurance into Topology Optimization of Low-Pressure Die Castings -- Abstract. -- 1 Introduction -- 1.1 Background -- 1.2 Approach -- 2 Materials and Methods -- 2.1 Metamodel Architecture -- 2.2 Evaluation of Process Assurance -- 2.3 Modification of the Design Space -- 3 Results and Discussion -- 3.1 Metamodel Performance -- 3.2 Evaluation of Modified Design Proposals -- 4 Summary -- References -- CAD Reconstruction of Watertight Surface Meshes Using Polycube Parameterization and Subdivision Surfaces -- 1 Introduction -- 2 Methods -- 2.1 Part Segmentation -- 2.2 Patch Segmentation -- 2.3 Coarse Quad Meshing -- 2.4 Generation of Subdivision Surfaces -- 2.5 Post-processing of Subdivision Surfaces -- 3 Results and Discussion -- 4 Conclusion -- References -- Optimization of Lightweight Vehicle Components for Crashworthiness Using Solution Spaces -- 1 Introduction -- 2 Defining the Solution Space -- 3 Efficient Global Optimization -- 4 Problem Formulation -- 5 Results and Discussion -- 6 Conclusion -- References -- Author Index. |
| Record Nr. | UNINA-9910746096403321 |
Rieser Jasper
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| Cham : , : Springer International Publishing : , : Imprint : Springer Vieweg, , 2023 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Proceedings of the Munich Symposium on Lightweight Design 2023
| Proceedings of the Munich Symposium on Lightweight Design 2023 |
| Autore | Endress Felix |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | Cham : , : Springer, , 2024 |
| Descrizione fisica | 1 online resource (176 pages) |
| Altri autori (Persone) |
RieserJasper
HoroschenkoffAlexander HöferPhilipp DickhutTobias ZimmermannMarkus |
| ISBN |
9783031646690
9783031646683 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Intro -- Contents -- Production of Hybrid Lightweight Structures Through Al-Al Compound Casting with Additively Manufactured Lost Sand Moulds -- 1 Introduction -- 1.1 Background -- 1.2 Aim -- 2 Experimental Procedure -- 2.1 Materials -- 2.2 Aluminum-Aluminum Compound Casting -- 2.3 Sampling for Further Examination -- 2.4 Compression Shear Testing -- 2.5 Light Microscopic Imaging -- 3 Results and Discussion -- 3.1 Compression Shear Strength -- 3.2 Light Microscopic Overview of the Compound Zone -- 3.3 Transfer of Key Findings to a Demonstrator - Battery Tray -- 4 Summary -- 5 Outlook -- References -- Studies Concerning the Fiber Orientation in Thin Walled, Injection-Molded PP Plaques -- 1 Introduction -- 2 Related Work -- 2.1 Previous Studies at Munich University of Applied Sciences -- 2.2 Investigations at External Institutions -- 3 Tensorial Fiber Orientation Description -- 4 Results -- 4.1 Simulative Comparison with Standard Process -- 4.2 Influence of Packing Pressure -- 4.3 Comparison of PP GF20 and PA66 GF25 -- 4.4 Influence of Viscosity of PP GF20 -- 5 Conclusion and Outlook -- References -- A New Concept of Collector-Ply Layer and Multilayer Design for Lightweight CFRP Liquid Hydrogen Tanks -- 1 Introduction -- 2 Experimental -- 2.1 In-Plane Permeability -- 2.2 Compaction Level -- 2.3 Materials -- 3 Results and Discussion -- 3.1 Material Screening -- 3.2 Effect of Carbon-Fiber Fabric Woven Areal Weight on ki -- 4 Summary -- References -- Identifying Optimization Potential of a Centrifugal Pump Inducer Using PBF-LB/M -- 1 Introduction -- 1.1 Background -- 1.2 Approach -- 2 Materials and Methods -- 2.1 Methodical Component Design for PBF-LB/M -- 2.2 Reduction of Support Structures by Optimizing the Exposure Strategy -- 3 Results and Discussion -- 3.1 Generative Design of the Inducer -- 3.2 Support Structure Reduction -- 3.3 Validation.
4 Summary -- References -- Effect of Water Absorption on the Clamp Load of Plastic Nuts -- 1 Introduction -- 2 State of the Art -- 3 Material and Methods -- 3.1 Experimental Setup and Materials -- 3.2 Methodical Approach -- 4 Results and Discussion -- 4.1 Humidity Exposure Before Tightening -- 4.2 Humidity Exposure After Tightening -- 5 Summary -- 6 Outlook -- References -- Simulation Based Determination of the Mechanical Properties of Fiber-Matrix Composite Materials Taking Production-Related Scattering into Account -- 1 Introduction -- 2 Computational Determination of Scattering of Mechanical Properties -- 2.1 Composite Materials -- 2.2 Monte Carlo Simulation -- 2.3 Scatter of Mechanical Properties in Unidirectional Laminates Using Monte Carlo Simulation -- 2.4 Simulation of Complex Laminates Using Finite Element Software and Modified Monte Carlo Simulation -- 3 Results for Unidirectional and Multidirectional Laminates -- 3.1 Mechanical Properties of Unidirectional Laminates -- 3.2 Young's Modulus of Multidirectional Laminates -- 4 Conclusion -- References -- Influence of Manufacturing Dependent Mechanical Properties on the Optimization of Ribbed LFT Structures -- 1 Introduction -- 2 Optimization Method for Ribbed LFT Components -- 3 Model Design -- 4 Results -- 4.1 Results of Manufacturing Simulation -- 4.2 Calculation of Rib Trajectories -- 4.3 Optimization of Rib Geometry -- 5 Conclusion and Outlook -- References -- Braiding of Wooden Veneer Strips - Correlation of Process Parameters and Laminate Properties -- 1 Introduction -- 2 Effects of Defects on Laminate Properties -- 2.1 Mechanical Laminate Testing -- 2.2 Manufacturing and Testing of Specimens -- 2.3 Results of Mechanical Testing -- 3 Optimization of Processability of Braided Wooden Veneer Strip Hollow Profiles -- 3.1 Design of Experiment for Enhancing Braiding Performance. 3.2 Adjusted Parameters for Braiding of Wooden Veneer Strips -- 4 Conclusions -- References -- Design Optimization of Aircraft Cabin Panels by Additive Manufacturing -- 1 Introduction -- 2 State of the Art -- 2.1 Cabin Interior -- 2.2 AM in Aviation -- 2.3 AM Processes Used in This Contribution -- 2.4 Inserts -- 3 DED Approach -- 3.1 Method -- 3.2 Results -- 3.3 Discussion -- 4 Solid Block Inserts -- 4.1 Method -- 4.2 Testing and Results -- 4.3 Discussion -- 5 Comparison and Conclusion -- References -- Metal Foam in Lightweight Heat-Exchangers: Innovation and Recycling Imperatives -- 1 Introduction -- 2 Simulative Consideration of the Thermal Behavior of the Power Module -- 3 Production Methods for Metal Foams -- 3.1 Investment Casting -- 3.2 Additive Manufacturing -- 3.3 Electroplating -- 4 Recycling and Lifecycle Assessment of the Processes -- 4.1 Test Material and Test Procedure -- 4.2 Results -- 5 Conclusion and Summary -- References -- Prediction of the Bending Collapse of Thin-Walled Rectangular Tubes -- 1 Introduction -- 2 Analysis of Plastic Collapse of Rectangular Tubes -- 3 Deep-Plastic Collapse Estimation Using an Artificial Neural Network ANN -- 3.1 Finite Element Model and Sampling -- 3.2 Training ANN Approach 1 -- 3.3 Training ANN Approach 2 -- 3.4 Training ANN Approach 3 -- 3.5 Exemplary Application -- 4 Applications to Large Frames -- 4.1 Analysis of Bus Bodies -- 4.2 Beam-Collapse-Predictor -- 5 Summary -- References -- Hybridization of Reinforcing Nonwoven Structures Made from Recycled Carbon Fibers with Cellulosic Natural Fibers to Adjust the Mechanical and Functional Properties -- 1 The Chances of Hybridization of Natural Fibers with Recycled Carbon Fibers in Composites -- 2 Experimental Approach -- 2.1 Choice and Composition of Materials -- 2.2 Material Processing -- 2.3 Material Characterization -- 3 Results. 3.1 Material Manufacturing and Quality -- 3.2 Isotropy and Homogeneity -- 3.3 Mechanical Properties -- 4 Conclusions and Discussion -- References -- A Method for the Selective Reinforcement of Natural Fiber Composites Considering Manufacturing Constraints -- 1 Introduction -- 2 Method -- 2.1 FE Model -- 2.2 Anisotropy Criterion -- 2.3 Surface Preparation -- 2.4 Calculation of Stress Clusters -- 2.5 Evaluation of Stress Clusters -- 2.6 Approximation of Tape Geometry -- 3 Results and Comparison of Reinforcement Designs -- 4 Conclusion and Outlook -- References -- Analytical and Numerical Modeling of Aramid Honeycomb Cores -- 1 Introduction -- 2 Honeycomb Core Testing -- 2.1 Out-of-Plane Testing -- 2.2 In-Plane Testing -- 3 Analytical Models for Effective Core Properties -- 4 Non-linear Material Model and Failure Criterion -- 4.1 Non-linear Material Model -- 4.2 Failure Criterion -- 4.3 Validation -- 5 Conclusion and Outlook -- References -- Author Index. |
| Record Nr. | UNINA-9910878056903321 |
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Endress Felix
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| Cham : , : Springer, , 2024 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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