In order to implement the optimization design for a forging aluminum wheel, the wheel’s structural optimization design software, i.e. DWheel, was developed in this paper. DWheel was programmed based on C# and ANSYS applying the restrained variable-dimension method. The key data interface commands were introduced first. Subsequently, the software was applied on a forging wheel’s structural optimization design. The optimized wheel passed the practical testings successfully.

The process of drum granulation is forming agglomerate by infiltrating liquid or binder into solid fine powder to produce bond force. Seed particles present different shapes features in granulation process. Different shapes of particles will have different movement trajectory and attitude under the condition of different location or rotational speed in the cylinder. The motion pose of different shape particles are analyzed by the simulation method using discrete element method, this way is better for us to control the time of powder in different drum position and frequency of adding powders per time. Research provides the theoretical basis on regulatory means and control parameters for adding powders and guarantee the production efficiency.

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With the help of the Riccati mapping approach and the variable separation method, some new solitory wave solutions and periodic wave solutions of the two-dimensional modified KdV(MKdV) equation are derived.