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Advances in theory and practice of computational mechanics : proceedings of the 22nd International Conference on Computational Mechanics and Modern Applied Software Systems (CMMASS 2021) / / edited by Margarita N. Favorskaya, Ilia S. Nikitin, Natalia S. Severina
Advances in theory and practice of computational mechanics : proceedings of the 22nd International Conference on Computational Mechanics and Modern Applied Software Systems (CMMASS 2021) / / edited by Margarita N. Favorskaya, Ilia S. Nikitin, Natalia S. Severina
Pubbl/distr/stampa Cham, Switzerland : , : Springer, , [2022]
Descrizione fisica 1 online resource (414 pages)
Disciplina 016.403
Collana Smart Innovation, Systems and Technologies
Soggetto topico Aerospace engineering
ISBN 981-16-8925-3
981-16-8926-1
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Intro -- Preface -- Contents -- About the Editors -- 1 Advances in Computational Study of Dynamic Systems -- 1.1 Introduction -- 1.2 Chapters in the Book -- 1.3 Conclusions -- References -- Part I Computational Fluid Dynamics -- 2 Mathematical Modeling of the Problem of Magneto-Aero-Elastic Stability of Rectangular Plate -- 2.1 Introduction -- 2.2 The Problem Statement -- 2.3 Magneto-Aero-Elastic Stability Problem -- 2.4 Stability Conditions and Flutter Critical Speed -- 2.5 Conclusions -- References -- 3 Calculation of Heat Transfer at the Front of an Aircraft During Hypersonic Flight -- 3.1 Introduction -- 3.2 Governing Equations -- 3.3 Determining the Rates of Energy Exchange -- 3.3.1 T-V Energy Transfer Rate -- 3.3.2 V-V Energy Transfer Rate -- 3.4 Chemical Kinetics -- 3.5 Calculation Results -- 3.5.1 Comparison of Calculations with the Flight Experiment OREX -- 3.5.2 Flow Around a Sphere with a Diameter of 1 cm at an Altitude of 10 km -- 3.6 Conclusions -- References -- 4 Some Features of DG Method Application for Solving Gas Dynamics Problems -- 4.1 Introduction -- 4.2 Discontinuous Galerkin Method -- 4.3 Generalization of the Cockburn Limiter -- 4.4 Numerical Integration on Arbitrary Cells -- 4.5 Test Calculation Woodward-Colella Blast Waves -- 4.6 Numerical Calculations -- 4.7 Conclusions -- References -- 5 Using the CFD Code HySol to Calculate High-Speed Flows -- 5.1 Introduction -- 5.2 Mathematical Model -- 5.3 Numerical Method -- 5.4 Numerical Results -- 5.5 Conclusions -- References -- 6 Mathematical Modeling of Spots Chain Dynamics in Fluid -- 6.1 Introduction -- 6.2 Statement of the Problem -- 6.3 Solution Method -- 6.3.1 Splitting Scheme -- 6.3.2 Finite-Difference Scheme -- 6.4 Calculation Results -- 6.4.1 Typical Spots Chain Dynamics -- 6.4.2 Features of the Spots Chain Dynamics at Low Reynolds and Froude Numbers.
6.5 Conclusions -- References -- 7 Simulation of Flows Near Wings with Supersonic Edges -- 7.1 Introduction -- 7.2 The Simulation Method -- 7.3 Flow Around Star-Shaped Body -- 7.4 Flow Around V-Shaped Wing -- 7.5 Flow Around V-Shaped Wing with Central Body -- 7.6 Aerodynamic Characteristics -- 7.7 Flow Around V-Shaped Wing with Sweep-Forward Edges -- 7.8 Conclusions -- References -- 8 3-D Quasi-Conformal Mappings and Generalization of Axisymmetric Case -- 8.1 Introduction -- 8.2 Lavrent'ev's Type of Harmonic Mapping -- 8.3 Basic Equations of Ideal Incompressible Axisymmetric Flows -- 8.4 Quasi-Conformal Mappings of 3-D Domain for Axisymmetric Case -- 8.5 Results of Numerical Calculations -- 8.6 Conclusions -- References -- 9 Direct Numerical Simulation of Two-Dimensional Turbulence and Investigation of the Boundary Conditions Influence on the Energy Cascade Formation -- 9.1 Introduction -- 9.2 Energy Cascade -- 9.3 Model and Numerical Method -- 9.4 Experimental Results -- 9.5 Conclusions -- References -- 10 Numerical Modeling of Non-stationary Flow Near Lateral Surface of the Descent Module in the Martian Atmosphere for Wide Range of Attack Angles -- 10.1 Introduction -- 10.2 Numerical Technique -- 10.3 Problem Statement -- 10.4 Numerical Simulation Results -- 10.5 Conclusions -- References -- Part II Numerical Simulation of Physical and Chemical Processes in Gases and Liquids -- 11 Probe Diagnostics of Rarefied Plasma Flows from Magnetoplasmodynamic Engines -- 11.1 Introduction -- 11.2 Processing Methods for Probe Characteristics Obtained in Rarefied Plasma Flows from MPDE -- 11.2.1 Method No. 1 Based on VAC Ion Branch and Initial Section of the Transition Branch for Probes of Flat Geometry -- 11.2.2 Method No. 2 for Processing the VAC of the Flat Probe Oriented Toward Plasma Flow from MPDE.
11.2.3 Method No. 3 for Processing VAC of the Probes of Cylindrical Geometry in the Rarefied Plasma Flow from MPDE -- 11.3 Some Results of Probe Measurements in the Plasma Flow from MPDE -- 11.3.1 Probe Measurements in Test Stand Conditions -- 11.3.2 Probe Measurements in Ionosphere Conditions -- 11.4 Conclusions -- References -- 12 Numerical Simulation of Combustion Wave Propagation in a Black Powder Charge Using a Two-Fluid Model -- 12.1 Introduction -- 12.2 Mathematical Model -- 12.3 Computational Algorithm -- 12.4 Simulation Results -- 12.5 Discussion -- 12.6 Conclusions -- References -- 13 Unconventional Trajectories of Meteoroids in the Earth's Atmosphere -- 13.1 Introduction -- 13.2 The Basic Equations -- 13.3 The Calculation Results and Their Discussion -- 13.4 The Tunguska Phenomenon of 1908 -- 13.5 Conclusions -- References -- 14 Mathematical Modeling of Dynamic and Optical Effects in Ionospheric Experiments Using an Explosive Chemical Generator -- 14.1 Introduction -- 14.2 Analysis of the Chemical Composition of Explosion Material -- 14.3 Initial Thermodynamic Parameters. Assessment of the Interpenetration of Explosion Products into the Ionosphere -- 14.4 Approximate Model for Assessment the Average Parameters of a Mixture of the PE and Ionosphere Under the Conditions of Their Interpretation -- 14.5 Numerical Analysis of the Problem in the Approximation of a Continuous Medium -- 14.6 Assessment of the Infrared Radiation in the Perturbed Ionosphere -- 14.7 Conclusions -- References -- 15 Numerical Study of the Perturbed Region Produced by a Heating Facility in the Lower Ionosphere -- 15.1 Introduction -- 15.2 Description of the Simplified Kinetic Model -- 15.3 Calculation Results -- 15.3.1 Daytime Ionosphere -- 15.3.2 Nighttime Ionosphere -- 15.4 Conclusions -- References.
16 Kinematics of the Plane Channel Filling with a Polymer Fluid Taking into Account the Curing Process -- 16.1 Introduction -- 16.2 Mathematical Formulation of the Problem -- 16.3 Calculation Results -- 16.3.1 Curing in a Small Volume -- 16.3.2 Filling of a Channel -- 16.4 Conclusions -- References -- 17 Some New Data on the Spectral-Kinetic Characteristics of High-Temperature Ultraporous Heterogeneous Composites -- 17.1 Introduction -- 17.2 Key Methods and Modules of the Software Tool Control -- 17.3 Local Spectral Properties of Ultraporous Materials -- 17.4 Effective Spectral Properties of Materials as a Whole -- 17.4.1 Initial Data for the Material Modeling -- 17.4.2 Modeling Results and Discussion -- 17.5 Conclusions -- References -- Part III Computational Solid Mechanics -- 18 Calculation of Thermal Processes in the Contact Zones of Elements in Various Technological Processes -- 18.1 Introduction -- 18.2 Modeling of Thermal Processes in the Contact Zone "Heat Source-Heatsink" -- 18.3 Results -- 18.4 Conclusions -- References -- 19 Higher Order Schemes for Problems of Dynamics of Layered Media with Nonlinear Contact Conditions -- 19.1 Introduction -- 19.2 Mathematical Model -- 19.2.1 Layered Model Equations -- 19.2.2 Block Model Equations -- 19.3 Numerical Method -- 19.3.1 Implicit Numerical Method for Constitutive Equations -- 19.3.2 Explicit Numerical Method for Elastic Step (Isotropic Case) -- 19.3.3 Explicit Numerical Method for Weak Delamination (Anisotropic Case) -- 19.4 Simulation Results -- 19.5 Conclusions -- References -- 20 Application of Quasi-monotonic Schemes in Seismic Arctic Problems -- 20.1 Introduction -- 20.2 Mathematical Model and Numerical Method -- 20.2.1 Mathematical Model -- 20.2.2 Grid-Characteristic Method -- 20.2.3 Linear Schemes for Hyperbolic Equations -- 20.2.4 Hybrid Schemes -- 20.3 Simulation Results.
20.3.1 One-Dimensional Tests -- 20.3.2 Seismic Survey in Arctic Region -- 20.4 Conclusions -- References -- Part IV Numerical Study of Dynamic Systems -- 21 Applying the Best Parameterization Method and Its Modifications for Numerical Solving of Some Classes of Singularly Perturbed Problems -- 21.1 Introduction -- 21.2 Solution Continuation Method -- 21.2.1 Traditional Approach -- 21.2.2 Parameterization of the Solution. General Approach -- 21.2.3 The Best Parameterization -- 21.2.4 Modified Best Parameterization -- 21.3 Test Initial Value Problem with Several Limiting Singular Points -- 21.3.1 Statement of the Problem -- 21.3.2 Particular Case -- 21.3.3 Numerical Results -- 21.4 The Boundary Value Problem of Supersonic Flow in a Duct -- 21.4.1 Statement of the Problem -- 21.4.2 The Best Parameterization -- 21.4.3 Modified Best Parameterization -- 21.4.4 Numerical Results -- 21.5 Conclusions -- References -- 22 Using Spectral Form of Mathematical Description to Represent Iterated Itô Stochastic Integrals -- 22.1 Introduction -- 22.2 Iterated Stratonovich Stochastic Integrals and Their Representation by the Spectral Form of Mathematical Description -- 22.3 Iterated Itô Stochastic Integrals and Their Representation by the Spectral Form of Mathematical Description -- 22.4 Iterated Itô Stochastic Integrals Representation for Multiplicities k = 2, 3, 4 -- 22.5 Conclusions -- References -- 23 Application of Mini-Batch Adaptive Optimization Method in Stochastic Control Problems -- 23.1 Introduction -- 23.2 Statement of the Problem -- 23.3 Solution Search Strategy -- 23.4 Algorithm for Solving the Control Problem -- 23.5 Mini-Batch Adaptive Stochastic Search Algorithm -- 23.6 Satellite Stabilization Problem -- 23.7 Conclusions -- References -- 24 Model Predictive Control for Solving the Helicopter Motion Control Problem -- 24.1 Introduction.
24.2 Problem Formulation.
Record Nr. UNINA-9910743363503321
Cham, Switzerland : , : Springer, , [2022]
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Lo trovi qui: Univ. Federico II
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Innovations in electrical and electronic engineering : proceedings of ICEEE 2020 / / Margarita N. Favorskaya [and three others] editors
Innovations in electrical and electronic engineering : proceedings of ICEEE 2020 / / Margarita N. Favorskaya [and three others] editors
Pubbl/distr/stampa Gateway East, Singapore : , : Springer, , [2021]
Descrizione fisica 1 online resource (987 pages)
Disciplina 621.3
Collana Lecture Notes in Electrical Engineering
Soggetto topico Electrical engineering
ISBN 981-16-0749-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910484134803321
Gateway East, Singapore : , : Springer, , [2021]
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Intelligent computing paradigm and cutting-edge technologies : proceedings of the second International Conference on Innovative Computing and Cutting-edge Technologies (ICICCT 2020) / / Margarita N. Favorskaya [and four others], editors
Intelligent computing paradigm and cutting-edge technologies : proceedings of the second International Conference on Innovative Computing and Cutting-edge Technologies (ICICCT 2020) / / Margarita N. Favorskaya [and four others], editors
Pubbl/distr/stampa Cham, Switzerland : , : Springer, , [2021]
Descrizione fisica 1 online resource (463 pages)
Disciplina 006.3v
Collana Learning and analytics in intelligent systems
Soggetto topico Artificial intelligence
Internet of things
ISBN 3-030-65407-9
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910483331803321
Cham, Switzerland : , : Springer, , [2021]
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Smart modelling for engineering systems . Volume 1 : proceedings of the International Conference on Computational Methods in Continuum Mechanics (CMCM 2021) ; Moscow, Russia, 27-29 October, 2021 / / Margarita N. Favorskaya [et al.], editors
Smart modelling for engineering systems . Volume 1 : proceedings of the International Conference on Computational Methods in Continuum Mechanics (CMCM 2021) ; Moscow, Russia, 27-29 October, 2021 / / Margarita N. Favorskaya [et al.], editors
Pubbl/distr/stampa Singapore : , : Springer, , [2021]
Descrizione fisica 1 online resource (303 pages)
Disciplina 620.00285
Collana Smart innovation, systems, and technologies
Soggetto topico Engineering - Data processing
Computational intelligence
Continuum mechanics
Machine learning
ISBN 981-334-709-0
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Intro -- Preface -- Contents -- About the Editors -- 1 Recent Advances in Computational Physics -- 1.1 Introduction -- 1.2 Chapters Included in the Book -- 1.3 Conclusions -- References -- 2 The Scientific and Life Path of Academician Oleg M. Belotserkovskii -- 2.1 Introduction -- 2.2 The Scientific and Life Path -- 2.3 Conclusions -- References -- 3 Numerical Simulation of Spatial Flows in Shear Layers -- 3.1 Introduction -- 3.2 Mathematical Model -- 3.3 Vortex Cascade Numerical Modeling -- 3.4 Vortex Cascade Conditions -- 3.5 Energy Characteristics of the Vortex Flow -- 3.6 Influence of Flow Parameters on Vortex Cascade Structure -- 3.7 Conclusions -- References -- 4 Modeling of Unsteady Flows in Gas Astrophysical Objects on Supercomputers -- 4.1 Introduction -- 4.2 Numerical Technique -- 4.3 Direct Calculation of Gravitational Forces -- 4.4 Parallel Algorithms of Numerical Technique -- 4.5 Simulation of Instability of the Stellar Accretion Disk Area Near Neutron Star Surface -- 4.6 Vortex Structures Simulation in Fast-Rotating Star -- 4.7 Conclusions -- References -- 5 Modeling of the Physical Processes of the Impact of a Powerful Nuclear Explosion on an Asteroid -- 5.1 Introduction -- 5.2 Physics of the Impact of a Nuclear Explosion -- 5.3 Research of the Asteroid Fragmentation. Theoretical Analysis -- 5.4 On the Radiophysical Situation in the Field of Explosion and the Possibility of Using Space Rocket Defense in Solving the Problem of Asteroid-Comet Hazard -- 5.5 Conclusions -- References -- 6 A Multidimensional Multitemperature Gas Dynamic and the Neutrino Spectrum in 2D Gravitational Collapse -- 6.1 Introduction -- 6.2 The Multidimensional Multitemperature Gas Dynamic Code with the Approximate Riemann Problem Solver -- 6.3 The Application of the Code to a 2D Gravitational Collapse of a Rotating Core with the Neutrino Spectrum.
6.4 Conclusions -- References -- 7 The Airy Stress Function for Non-Euclidean Model of a Continuous Medium and Description of Residual Stresses -- 7.1 Introduction -- 7.2 Transition from the Classical Model to the Non-Euclidean One -- 7.3 Structure of the Stress Function -- 7.4 Description of Residual Stresses -- 7.5 Conclusions -- References -- 8 Numerical Comparison of Different Approaches for the Fractured Medium Simulation -- 8.1 Introduction -- 8.2 Mathematical Model -- 8.2.1 Implicit Fracturing Model -- 8.2.2 Explicit Fracturing Model -- 8.2.3 Grid-Characteristic Method -- 8.3 Simulation Results -- 8.3.1 Unfilled Fractures -- 8.3.2 Fluid-Filled Fractures -- 8.4 Conclusions -- References -- 9 The Comparison of Two Approaches to Modeling the Seismic Waves Spread in the Heterogeneous 2D Medium with Gas Cavities -- 9.1 Introduction -- 9.2 Numerical Method -- 9.3 Contact Conditions -- 9.4 The Results of Numerical Modeling of the Seismic Waves Spread Through the Heterogeneous Media -- 9.5 The Comparison of the Models Computed by Two Different Methods -- 9.6 Conclusions -- References -- 10 Mathematical Modeling of Spatial Wave Processes in Fractured Seismic Media -- 10.1 Introduction -- 10.2 Mathematical Model -- 10.3 Fracture Models -- 10.3.1 Gas-Saturated (Empty) Fracture -- 10.3.2 Fluid-Filled Fracture -- 10.3.3 Glued Fracture -- 10.3.4 Partially Glued Fracture -- 10.4 Results of Mathematical and Physical Modeling -- 10.4.1 Geological Medium Model -- 10.4.2 Results of Mathematical Modeling -- 10.4.3 Comparison with Results of Physical Modeling -- 10.5 Conclusions -- References -- 11 Investigation of Models with Fluid- and Gas-Filled Fractures with the Help of the Grid-Characteristic Method -- 11.1 Introduction -- 11.2 Numerical Method -- 11.3 Models with Single Fractures in Homogeneous and Heterogeneous Media.
11.4 Models with Clusters of Fractures in Heterogeneous Media -- 11.5 Conclusions -- References -- 12 Modeling Wave Responses from Thawed Permafrost Zones -- 12.1 Introduction -- 12.2 Mathematical Model and Numerical Method -- 12.2.1 Mathematical Model -- 12.2.2 Grid-Characteristic Method -- 12.3 High-Order One-Dimensional Scheme -- 12.4 Simulation Results -- 12.5 Conclusions -- References -- 13 Modeling of Fiber-Metal Laminate Residual Strength After a Low-Velocity Impact with a Grid-Characteristic Numerical Method -- 13.1 Introduction -- 13.2 Material Model and Numerical Method -- 13.3 Numerical Results -- 13.3.1 Problem Statement -- 13.3.2 Wavefronts During Low-Velocity Impacts -- 13.3.3 Wavefronts at Different Layings of Composite Plies -- 13.3.4 Angled Impacts with Different Friction Coefficients -- 13.3.5 Quasi-Static Loading -- 13.4 Conclusions -- References -- 14 Modeling Movement of Train Along Bridge by Grid-Characteristic Method -- 14.1 Introduction -- 14.2 Methods -- 14.2.1 Grid-Characteristic Method -- 14.2.2 Initial and Border Conditions -- 14.3 Results -- 14.3.1 Ballast Railway Track -- 14.3.2 Nonballast Railway Track -- 14.4 Conclusions -- References -- 15 Seismic Evaluation of Two-Storied Unreinforced Masonry Building with Rigid Diaphragm Using Nonlinear Static Analysis -- 15.1 Introduction -- 15.2 Description of Sample Existing Building -- 15.3 Linear Static Analysis -- 15.3.1 As Per IS 1893:2002 -- 15.3.2 As Per FEMA-356 (2000) -- 15.4 Nonlinear Static (Pushover) Analysis -- 15.4.1 Modeling of Masonry Building -- 15.4.2 Nonlinear Static Analysis of URM Building Without Bond Beams -- 15.4.3 Nonlinear Static Analysis with Bond Beams -- 15.5 Results and Conclusions -- References -- 16 Numerical Study of Thin Composite Structures Vibrations for Material Parameters Identification -- 16.1 Introduction.
16.2 Mathematical Model and Numerical Method -- 16.3 Numerical Results -- 16.4 Conclusions -- References -- 17 The Study of the Physical Processes that Cause the Destruction and Fragmentation of Meteoroids in the Atmosphere -- 17.1 Introduction -- 17.2 Dynamics of a Meteoroid Prior to Fragmentation -- 17.3 Fragmentation of Meteoroid -- 17.4 The Results of the Calculation -- 17.4.1 The Tunguska Bolide -- 17.4.2 The Vitim Bolide -- 17.4.3 The Chelyabinsk Bolide -- 17.5 Conclusions -- References -- 18 Personalized Geometric Modeling of a Human Knee: Data, Algorithms, Outcomes -- 18.1 Introduction -- 18.2 Personalized Geometric Model of a Human Knee -- 18.2.1 Knee Bones -- 18.2.2 Knee Ligaments -- 18.3 Biomechanical Model of a Human Knee -- 18.4 Example of Personalized Simulation -- 18.5 Conclusions -- References -- 19 Personalization of Mathematical Models of Human Atrial Action Potential -- 19.1 Introduction -- 19.2 Methods -- 19.2.1 Experimental Data Acquisition -- 19.2.2 Computer Simulations -- 19.3 Results -- 19.3.1 Experimental AP Waveforms -- 19.3.2 Genetic Algorithm Runs -- 19.4 Discussion -- 19.5 Conclusions -- References -- 20 Computational Study of the Effect of Blood Viscosity to the Coronary Blood Flow by 1D Haemodynamics Approach -- 20.1 Introduction -- 20.2 Methodology of Modeling Blood Viscosity in Reduced Order Models -- 20.3 Blood Viscosity in 1D Model -- 20.3.1 1D Model of Haemodynamics with Application to Coronary Circulation -- 20.3.2 Blood Viscosity and Friction -- 20.4 Results of Computational Simulations -- 20.5 Conclusions -- References -- 21 Simulation of the Human Head Ultrasound Study by Grid-Characteristic Method on Analytically Generated Curved Meshes -- 21.1 Introduction -- 21.2 The Solved Boundary-Value Problem of Elastic and Acoustic Wave Equations -- 21.3 Analytical Expressions of Human Head Tissues Shape.
21.4 Covering the Integration Domain by the System of Conformal Structured Curved Meshes -- 21.5 Generation of Structured Curved Mesh by Analytical Approach -- 21.6 Numerical Examples -- 21.7 Conclusions -- References -- 22 Reaction-Diffusion Model of Coexistence of Viruses in the Space of Genotypes -- 22.1 Introduction -- 22.2 Analytical Solution of Virus Coexistence -- 22.3 Numerical Simulations of Virus Coexistence -- 22.4 Generalization of the Virus Mortality Functions -- 22.5 Conclusions -- References -- 23 Numerical Simulation of the Denture Prosthesis Integrity Under Typical Chewing Loads -- 23.1 Introduction -- 23.2 Mathematical Modeling of Laminar Dentures of the Upper and Lower Jaws -- 23.3 Boundary Conditions and Chewing Loads -- 23.4 Results and Discussion -- 23.5 Conclusions -- References -- 24 Numerical Modeling of Elastic Wave Propagation in a Human Craniocerebral Area with Discontinuous Galerkin Method -- 24.1 Introduction -- 24.2 Numerical Method -- 24.3 Numerical Results -- 24.3.1 Problem Statement -- 24.3.2 Temple Strike -- 24.3.3 Nape Strike -- 24.3.4 Vertex Strike -- 24.3.5 Forehead Strike -- 24.4 Conclusions -- References -- Author Index.
Record Nr. UNINA-9910484346803321
Singapore : , : Springer, , [2021]
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