METHOD FOR FOLDING WIND BLADES AND METHOD FOR OPENING WIND BLADES FOR A WIND TURBINE HAVING FOLDABLE BLADES The present invention relates to a blade folding method for a folding blade wind turbine (100) comprising the steps of stopping (404) the rotation of the r... D Garaviani 被引量: ...
As the range of feasible unit cells is large, testing methods cannot be the solution to this task. In this work, the density-specific stiffness properties for different load cases are optimized by using the finite element method in combination with shape optimization. The load cases are ...
Silk features exceptional mechanical properties such as high tensile strength and great extensibility, making it one of the toughest materials known. The exceptional strength of silkworm and spider silks, exceeding that of steel, arises from β-sheet nan
METHOD FOR FOLDING WIND BLADES AND METHOD FOR OPENING WIND BLADES FOR A WIND TURBINE HAVING FOLDABLE BLADES The present invention relates to a blade folding method for a folding blade wind turbine (100) comprising the steps of stopping (404) the rotation of the r... D Garaviani 被引量: ...
This ancient art of paper folding can be used to construct novel nonlinear isolators that can overcome the aforementioned shortcomings of the previously proposed isolators. In this work, a lightweight nonlinear vibration isolator with deployable mechanism and QZS property is proposed by using the ...
A numerical analysis is performed using the Finite Element Method to estimate its quadratic and cubic spring stiffness. A nonlinear effective spring constant is then calculated for different values of the main folding angle. We demonstrate that this angle can increase nonlinearities within the structure...
One method to alter the surface is through mini trampoline training, which has been demonstrated to simultaneously enhance strength, balance, body stabilization, fitness, lower limb asymmetry, and spatial orientation [19,20,21]. The use of an elastic surface during mini trampoline training leads to...
With this solution, it is also possible to deform the structure in the flexible state and to lock it in a given configuration when switching to the rigid state. In the “longitudinal elements locking” mechanisms, the solution is divided into several elements over its section. The change of ...
By using the numerical lattice Scheutjens–Fleer self-consistent field (SF-SCF) method we have studied the effect of the restricted flexibility of grafted chains on the structure and mutual interaction of two opposing planar conventional and A-type dipolar brushes. Brushes are immersed in the solv...
yt.innertube::nextIdRegisters a unique ID to keep statistics of what videos from YouTube the user has seen. Maximum Storage Duration: PersistentType: HTML Local Storage ytidb::LAST_RESULT_ENTRY_KEYStores the user's video player preferences using embedded YouTube video Maximum Storage Duration:...