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ACIS is a graphics system development platform constructed with C++. It includes a series of C++ functions and classes. In this paper, ACIS and the ACIS-based deformation modeling technology are first introduced, and then an ACIS-based Deformation Modeling System is developed, which includes modeling, reading and writing, deforming functions and so on. The experimental analysis on the application of the deformation modeling system to reverse engineering is proposed, and it verifies its effectiveness in reverse design.

The number of projection affects the reconstruction quality in computed tomography system. Larger projection number will lead to better reconstruction quality. On the other hand, less projection number can reduce the radiation dose, save time and keep the patients comfortable. The optimal number of projection compromises both the mathematical accuracy and practical requirement. The purpose of this paper is to find the relationship between the projection number and the noise properties of reconstructed cross-section. It can provide references for researchers on CT application. A micro-CT system is utilized to validate the relationship between projection number and reconstruction quality in fan beam geometry. Full-scan and short-scan method are applied to reconstruct the specimen. Compared with full-scan method, short-scan can reduce radiation dose with the same step angle, and it can achieve better results with the same projection number when the sample data is sufficient.

Through testing the mechanical properties and electrical property, the conductive aluminum alloy with high strength and elongation was obtained by adjusting the content of Fe, B and misch metal elements constantly, and the influence mechanism of the add elements was discussed by observing microstructure morphology of the aluminum alloy. The results indicated that the addition of Fe could effectively improve the tensile strength of commercial aluminum, while the addition of misch metal could change the existence form of Fe, thus to compensating for the decrease of elongation because of the addition of Fe. On the other hand, the addition of appropriate B could remove the harmful impurity elements of the aluminum alloy and refining the grain, so as to reduce the resistivity of the aluminum alloy with adding iron and rare earth elements. Finally, the optimum was obtained which was the composition of 99.18%Al-0.75%Fe-0.05%Re-0.02%B, the tensile strength was 103MPa, the elongation was 30.98% and the resistivity was 2.737×10-8Ω•m.

Green Building and Information Model are the focus and developing tendency in the future. Therefore, the combination of the two will push and accelerate the progress of Chinese Green Construction forward. Thus this paper attempts to introduce the idea of GBIM, which takes information flowing technology as the nucleus, is the compound of data integration of BIM and integral management, is also the integration of information exchange and concordance for the tool software at different phases and in different professions with green construction process and tasks. At last, this information flow technology is applied to information flow model building in the green construction planning and designing.

In this paper,we want to obtain the research of virtual vehicle-birdge coupling system, a vehicle-bridge coupling model was established based on the multi-point Pseudo Excitation Method model, and then the simulation result was gained by ANSYS. First,a detailed multi-body dynamic model of the vehicle was established by using ADAMS/VIEW software package; secondly, a stochastic controller was designed for active suspension system and worked out by means of Matlab/Simulink, the proposed control algorithm was integrated with the multi-body dynamic vehicle model and the coupling system simulations could be performed repeatedly until a satisfactory controller was achieved, the system was compared with a conventional passive one. Simulation results showed that the proposed active suspension considerably improved both the ride and handling performance of the vehicle.