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math.OC2016
Optimal Design of Helical Springs of Power Law Materials
Dongming Wei, Marios Fyrillas, Adilet Otemissov +1
In this paper the geometric dimensions of a compressive helical spring made of power law materials are optimized to reduce the amount of material. The mechanical constraints are de…
math.AP2016
On the solvability of the Brinkman-Forchheimer-extended Darcy equation
Piotr Skrzypacz, Dongming Wei
The nonlinear Brinkman-Forchheimer-extended Darcy equation is used to model some porous medium flow in chemical reactors of packed bed type. The results concerning the existence an…