Advances in Mechanical Engineering: Selected Contributions from the Conference “Modern Engineering: Science and Education”, Saint Petersburg, Russia, June 2022

Preface
Contents
Axial Rotary Forging of the Thin Wall Inner Flanges with Fixed and a Movable Dies
	1 Introduction
	2 Research Method
	3 Conclusions
	References
The Problem of Selecting the Optimal Kind of Mechanical Engineering Process Under Modern Conditions
	1 Introduction
	2 Methods
	3 Results
	4 Discussion
	5 Conclusion
	References
Using Auxiliary Inputs in Lever Mechanisms When Approaching Singular Positions
	1 Introduction
	2 Using Auxiliary Inputs
	3 Self-braking of the RRR Group
	4 Self-braking of the RRT Group
	5 Conclusion
	References
Prediction and Comparison of Mechanical Properties and Machinability Titanium Alloy VT6 with Globular and Lamellar Structures
	1 Introduction
	2 Methods
	3 Study Results and Discussion
	4 Conclusion
	References
Analysis of the Probability of an Accident Caused by the Steam Turbine Blade Failure
	1 Introduction
	2 Methods
		2.1 Step 1
		2.2 Step 2
		2.3 Step 3
		2.4 Step 4
	3 Results
	4 Discussion
	5 Conclusion
	References
Studying and Simulating a Stand of Sign-Variable Linear Accelerations
	1 Introduction
	2 Problem Statement and Solution
	3 Experiment
	4 Conclusion
	References
Pressure on Thin Sheet Blank in Discharge Chamber During Electrohydropulsed Stamping
	1 Introduction
	2 Research Methodology
		2.1 Model of the Discharge Channel in Water
		2.2 Initial Data for Computer Simulation
		2.3 Numerical Experiment Technique
	3 Results
	4 Discussion
	5 Conclusion
	References
Calculated Dependences for Determining Theoretical Stress Concentration Factors in a Welded T-joint
	1 Introduction
	2 Methods
	3 Investigated Calculated Dependencies
	4 Results
	5 Discussion
		5.1 Tension
		5.2 Bending
	6 Conclusion
	References
Annealed Copper M3P Fatigue Sensivity to Stress Concentration and Scale Effects Investigation
	1 Introduction
	2 Test Method and Test Equipment
	3 Test Results
		3.1 Results of Chemical and Microstructural Analysis
		3.2 Fatigue Test Results
	4 Sensivity to Stress Concentration and Scale Effects Coefficient vσ for Copper Alloy M3P Determination
	5 Discussion
	6 Conclusion
	References
Spectral Analysis and Filtration of Contact Force Oscillations in the Pantograph-Catenary System at High-Speed Railway Line
	1 Introduction
	2 Mathematical Models
		2.1 Catenary Line Model
		2.2 Analytical Study: The Spectrum of Driven Oscillations of a Single Wire Under Moving Load
		2.3 Filtering Algorithms for the Output Signal
	3 Simulation Results
	4 Discussion
	5 Conclusions
	References
Non-destructive Testing of Welding Defects Using Machine Learning Algorithms Based on Acoustic Emission Data
	1 Introduction
	2 Methods
	3 Results
	4 Discussion
	5 Conclusion
	References
Investigation of the Friction Self-oscillation in Two-Mass System
	1 Introduction
	2 Methods
	3 Results
	4 Discussion
	5 Conclusion
	References
A New Structural Synthesis Method of Multiloop Linkage Mechanisms with Multiple Joints
	1 Introduction
	2 Basic Definitions and Equations
		2.1 Multiplicity of Joints (J)
		2.2 Link Assortment [LA]
		2.3 Multiple Joint Assortment [MJA]
		2.4 Total Multiple Joint Factor (V)
		2.5 Structural Mathematical Model
		2.6 Isomorphic Identification Concept
	3 New Method of Structural Synthesis of Mechanisms with Multiple Joints
	4 Results and Discussion
	5 Conclusions
	References
Pneumatic Accelerator of the Mechatronic Shock Machine
	1 Introduction
	2 Methods
		2.1 Mode Without Accelerators (Mode 0)
		2.2 The Accelerator Activation Mode After the End of the Table Movement by Inertia (Mode 1)
		2.3 The Mode of Turning on Accelerators Immediately After the End of Acceleration (Mode 2)
		2.4 Accelerator as Air Spring (Mode 3)
	3 Results
	4 Discussion
	5 Conclusion
	References
Determination of Dynamic Errors of a Lever Mechanism with Elastic Links
	1 Introduction
	2 Determination of the Kinematic Parameters of the Elastic Mechanism
	3 Oscillations of the Lever Mechanism Near the Equilibrium Position
	4 Oscillations of the Link Mechanism Near the Program Motion
	5 Results
	6 Conclusion
	References
Increasing the Wear Resistance of Crankshafts by the Plasma Spraying Method
	1 Introduction
	2 Methods and Materials
	3 Results
		3.1 Metallographic and Profilometric Studies of the Structure of Coatings
		3.2 X-ray Diffraction Studies of Phases and Internal Stresses of Coatings
		3.3 Micro X-ray Spectral Studies of the Distribution of Chemical Elements in Coatings
		3.4 Tribological Studies of Coatings
	4 Discussion
	5 Conclusion
	References
Oscillations of Double Mathematical Pendulum with Internal Friction
	1 Introduction
	2 Conservative Model of Small Oscillations of Double Pendulum
	3 Construction of Dissipative Function of Internal Friction
	4 Construction of Approximate Solution
	5 Discussion of the Results
	6 Conclusion
	References
Features of Investigation of Steels with a Metastable Austenitic Structure
	1 Introduction
	2 Materials and Methods
	3 Results and Discussion
		3.1 Determination of the Phase Composition of Metastable Austenitic Steels
		3.2 Application of Jet Electrolytic-Plasma Treatment in Metallographic Studies of Metastable Austenitic Steels
	4 Conclusion
	References
Plane Motion of the Aircraft
	1 Introduction
	2 Methods
	3 Mathematical Model
	4 Horizontal Flat Spin with a Displaced Thrust Vector
	5 Horizontal Flat Spin with a Central Thrust Vector
	6 Conclusion
	References
Technology of Bimetallic Products Forming Based on Sintered Inserts
	1 Introduction
	2 Methods
	3 Results
	4 Discussion
	5 Conclusion
	References
Harmonic Vibrations of a Hydrogen-Damaged Pipeline as an Inhomogeneous Shell
	1 Introduction
	2 Model of the Tube as a Laminated Shell
	3 Modal Analysis of a Two-Layer Tube
	4 Conclusions
	References
Optimization Method for Clamping Devices Based on Shape Memory Materials
	1 Introduction
	2 Research Methods
	3 Results
	4 Discussion
	5 Conclusion
	References
An Overview of Methods to Form Orthogonal Polyhedra for the Problems of Packing Objects of Complex Shape
	1 Introduction
	2 Methods
		2.1 Creation of OP Based on Set-Theoretic Operations
		2.2 Analytical Formation of OP
		2.3 Formation of OP as a Result of Vector Model Voxelization
	3 Results
	4 Discussion
	5 Conclusion
	References
Author Index