![]() This value is automatically calculated in the 3D model. The friction torque in the bearing depends on the load on the bearing. For stop and start procedures, friction behavior of the bearing is important. No elasticity or asymmetric bearing loads were considered. The element inner bearing is the real rigid bearing model for the whole leaf. Part of the analysis involved considering the effect of different external loads, including wind and snow. The aim with this model was to check the static loads. The leaf was a CAD import element for the complex geometry, the location of the center of mass and the inertia data in the model. The mechanical system was modeled with a rigid bearing and a rigid body for one part of the leaf. With this model, all known kinematic conditions, masses and external loads were integrated, parameterized and tested. The simulation software allows designers to connect the mechanical components to the hydraulic cylinders in order to test the kinematics of the bridge.Īt first, a model considering static loads and rigid mechanics was created. The modeling was done with the system simulation tool SimulationX. The cylinders on each side are supported by a hydraulic power pack with one pump per cylinder.Ī simulation model was created containing the important components and properties. Each of the cylinders has a manifold to provide movement control, stability and safety. Two hydraulic cylinders drive each of the two leaves of the bridge. The goal was to determine the best design for the hydraulic system and to ensure that it could handle the stresses that it would experience. ![]() The analysis was done on the hydraulic drive system for the new bascule bridge in the town of Poole in Dorset, England. Using simulation software can help analyze how the hydraulic systems are connected to 3D mechanics. ![]() One way to better manage the effects on traffic is through an understanding of the dynamic behavior and properties of the hydraulic drive connected to the mechanical system. These systems tend to require more opening and closing times, which affects traffic flow. Large hydraulic systems, like those found in bascule bridges, are mostly driven by oil hydraulic systems. ![]()
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