Sponsored by the National Natural Science Foundation of China (Grant No. 59975022 and 50275034)
The two-step hydro-bulge forming technique was proposed to manufacture the ellipsoidal shell with the length ratio of the long axis to the short axis larger than 1.4. A central tube was introduced into the first step ...
Sponsored by the National Natural Science Foundation of China(Grant No. 10902027 and 11172079);Program for New Century Excellent Talents in University(Grant NoNCET-11-0807);Aeronautical Science Foundation of China(Grant No. 2010ZA77001);the Fundamental Research Funds for theCentral Universities (Grant No. HIT. NSRIF. 201156)
In this paper,the wrinkle-crease interaction behavior of a rectangular membrane under edge tension is simulated.The creased membrane is modeled by using a Modified Two-Parameter model.In this model,two crease paramete...
Sponsored by the National Natural Science Foundation of China (Grant No.51078114);the Doctoral Program of Higher Education of China (Grant No.2012302120058)
A stress extremum method is developed based on Von Karman equations for analysis of membrane wrinkles in this paper. A mechanical model is also established for analyzing shear membrane wrinkles. Expressions of wrinkli...
the Postdoctoral Science Foundation of China(Grant No.20070420163);the Development Program for Outstanding Young Teachers in Harbin Institute of Technology(Grant No.HITQNJS.2008.004)
An analytical approach based on the bifurcation theory is presented,in which the wrinkles are treated as the local buckling phenomena of the elastic thin plate with little bending stiffness.The average wrinkling wavel...