To overcome the shortcomings of conventional techniques, a new video\|based human skeleton extraction technique is proposed for animation application.

The models for sand body framework in reservoirs established using traditional Boolean method has some shortcomings.

Focusing on the concept of porosity,the paper analyzes the relationship between the change of porosity and distortion of volume,the effective stress expressed by porosity is developed,and the expression is introduced into the Navier s equation and the displacement equation of rock framework is got.

Bending tests were conducted on five types of hull framing structure of fiberglass reinforced plastics fishing vessels and the results of the tests were optimized by using the weighted factor method.