Nonlinear Dynamic Analysis of Elastic Robotic Arms -- Influence of the Modulus of Elasticity of the Jointed Material and Interlayers in Nodes with an Interlayer with a High TCLE -- Research on Imaging Method of Missile-borne Infrared Lateral Window Adapting to Deflection Light Path with Large Incident Angle -- Study on the Characteristics of Rollover Injury of Passenger on the Passenger Side of an Off-road Vehicle -- Study on the Failure Mechanism and Reliability of Silicon Aluminium Alloy under Impact Loading -- Analysis of Prefabricated Fragment Intrusion Damage Based on Complete Restart Technique -- Research on Topology Optimization Methods for Continuum Structures -- Flexible Thermal Invisibility Cloak with Meta-structures: Design and Fabrication -- Study on Interface and Joint Properties of Aluminum Alloy by High Power Ultrasonic Welding -- Mechanism of Collision and Adhesion Between Adhesive Impact Ball and Spacecraft.