Abstract: The present disclosure discloses a modeling method for a rail vehicle collision finite element dummy and simulation system, and relates to the technical field of rail transit. The method according to the present disclosure includes the following steps: S1: establishing a dummy finite element model with a characteristic parameter of a target human body; S2: establishing a multi-marshaling train collision finite element model considering a vehicle body collision energy-absorbing structure and wheel-rail rolling contact behavior; S3: establishing a rigid-flexible coupling model inside a rail vehicle; and S4: establishing a passive safety simulation and analysis system integrating the rail vehicle and the dummy finite element model.

Abstract: A high-speed train derailment arresting system is provided, which includes multiple passive protection arresting devices arranged on both sides of a high-speed railway line. The passive protection arresting device includes a rigid support assembly fixed on a respective side of the high-speed railway line and a rotating protective barrel arranged on the support assembly. A structural design method for the high-speed train derailment arresting system is further provided.

Abstract: The present application provides a simulation method for equivalent fatigue damage of wheel-rail steel, and relates to the study of wheel-rail relationship of rail transportation. After obtaining the train load spectrum when the target train serves for the preset mileage, the wheel-rail systematic 3D model corresponding to the target train is assigned to simulate the load according to the train load spectrum to obtain the stress spectrum of the dangerous part of the rim, and determine the target stress and stress application frequency corresponding to the expected simulated mileage according to the stress spectrum of the dangerous part of the rim. Then, the driving fatigue test machine carries out fatigue tests on the wheel-rail steel fatigue sample of the target train according to the target stress and stress application frequency, and obtains the equivalent fatigue damage data of the wheel-rail steel at the expected simulated mileage of the target train.

Abstract: Provided are an alarm method and apparatus for a tabletop game, an electronic device and a storage medium. The method includes that: at least one frame of game tabletop image collected in a prop operation stage of a game is acquired; for each frame, a placement position of a preset identity object in the game tabletop image is detected, a tabletop of the game including a placement region corresponding to each game party, and the preset identity object being configured to identify a first game party allowed to operate a game prop; a second game party corresponding to the placement position of the preset identity object is determined according to the placement region corresponding to each game party; and in a case where the first game party is inconsistent with the second game party, alarm information for characterizing a placement error of the preset identity object is output.

Abstract: The present invention relates to an automatic feeder and a feeding pipe thereof.

Abstract: The present invention relates to an automatic feeder and a feeding pipe thereof.