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

• Pubblicazione: Cham, Switzerland : , : Springer, , [2022]; ©2022
• Descrizione fisica: 1 online resource (414 pages)
• Disciplina: 016.403
• Soggetto topico: Aerospace engineering
• Persona (resp. second.): FavorskayaMargarita N.; NikitinIlia S.; SeverinaNatalia S.
• Nota di bibliografia: Includes bibliographical references and index.
• 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.
• Titolo autorizzato: Advances in Theory and Practice of Computational Mechanics
• ISBN: 981-16-8925-3; 981-16-8926-1
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910743363503321
• Lo trovi qui: Univ. Federico II
• Serie: Smart Innovation, Systems and Technologies