Abstract
This paper introduces the topology optimization theory and mathematical model of the variable density method, to use HyerMesh Optistruct module, designs the structure of the transmission shift fork by topological optimization. First establishes the original three-dimensional model of the fork according to the design requirement, then in the HyerMesh establishes the finite element model of the fork, and sets the fork load constraints and the manufacturing process constraints, finally gets a reasonable distribution of materials, uniform force and can be used for manufacturing the ideal topology configuration, and then by the Ossmooth tool obtains directly optimized three-dimensional model. The topological optimization technique, can effectively guides the design personnel of product structure modification and new product structure design, makes product design structure high reliability, economical.
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