Abstract: With the development of modern engineering technology, the dynamic optimization design of mechanical structure has become the key to improve product performance and market competitiveness.

The beam structure is the most commonly used flexible element in mechanical structures such as airplanes, ships, submarine, etc. The beam structure is easily influenced by the unwanted vibration. As a ...

The European Commission said TikTok must rework the design of its short-form video platform over concerns it is addictive and breaches the bloc’s online-content rulebook. The European Union’s ...

Preliminary EU ruling says app shifts brains of users into ‘autopilot mode’, with concerns for children and vulnerable adults Business live – latest updates TikTok could be forced into changes to make ...