Abstract
The simulation of cable harnesses is challenging due to the complex structure and the large deformation during the assembly operations. In this paper an improved mass-spring model is approached to simulate the shape of cable harnesses and to calculate the deformation of cable harnesses. Based on a virtual software platform Open Cascade and using Newmark-β algorithm which could reduce the instabilities of equation, the simulation is completed. Then, a cable geometry measurement bench with the 3D laser scan technology is construed to verify the accuracy of the algorithm. The result shows the model could simulate the deformation very well.
Highlights
With the development of electromechanical products to be more integrated, lightweight, cable harness which connects two electrical equipments has more and more application
The cable design and assembly have become an important factor during the all life cycle for electromechanical products [1]
While the CAD cabling bases on the cable design drawing, the cable key position points are defined and the digital model is gained through interpolation fitting
Summary
With the development of electromechanical products to be more integrated, lightweight, cable harness which connects two electrical equipments has more and more application. While the CAD cabling bases on the cable design drawing, the cable key position points are defined and the digital model is gained through interpolation fitting. In this way, cables are operated as rigid bodies; the bending is implemented by constant bending radius. A.N.F. Klimowicz [5] use FEM method to simulate the deformation of cable harnesses. Klimowicz [5] use FEM method to simulate the deformation of cable harnesses In this way, cables were divided into many meshes. Interpolating functions is used to calculate the stress and strain between adjacent meshes This method was very accurately for the simulation, while the time cost is high
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