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A three dimensional finite element model of PC box-girder with corrugated steel webs taking material nonlinearity into consideration is established to investigate the behavior under pure torsion. The torque–twist curves and ultimate torsional strength predicted by FEM show good agreement with test data. Results obtained from finite element model indicate that specimens go through three stages subjected...
High temperature in fire have serious influences on the thermal deformation and stress in reinforced concrete structure, and leads to damage or overall collapse of structure. To explore the behavior of reinforced concrete bridge in fire, a thermal and structural analysis using finite element method is presented. The transient temperature field, thermal deformation and stress in structure are simulated...
This paper is to analyze the vehicle-bridge interaction system based on finite element method (FEM). The vehicle is studied as FEM model as well as the bridge: the bridge structure modeled by shell element considering the bridge deck's vibration, and the vehicle is also modeled by FEM. The coupling effect is implemented by displacement coordination condition and Newmark-β method is used to solve the...
The elasto-plastic large deformation taking place in ultrasonic wire bonding is analysed by means of 2-D and 3-D finite element method. A special focus has been placed on how the important wire bonding parameters, such as bond force and power, affect the contact pressure along the wire-bond pad interface. It is shown that the contact interface had a long elliptical shape, and the maximum contact pressure...
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