... problem Method of fundamental solutions Non‐linear optimization Regularization Thermography Shape identification Optimization techniques Heat transfer ϵ=random noise variable λ=regularisation parameter Ω=solution domain ∂D(t)=inclusion boundary...

... for the fully automatic optimization of a micro‐channel heat sink. Classical optimization techniques, like gradient‐based methods are known for their lack of robustness and for their tendency to fall into local optima. Generic and robust search methods, such as genetic algorithms (GAs), offer several...

... Design Optimization techniques Pumps Flow Mathematical modelling A=cross‐sectional area (m^{2) CFD=computational fluid dynamics CO₂=carbon dioxide D=impeller diameter (m) HPC=high‐performance computer P}...

... coefficients with multi‐dimensional velocity fields. Originality/value The present work applies an original hybrid optimization technique to obtain highly accurate solutions using the method of Hermite collocation with minimal mesh refinement. To search for the minimum mesh refinement, begin...

... Kassab can be contacted at: kassab@mail.ucf.edu © Emerald Group Publishing Limited 2008 Optimization techniques Heat transfer Body systems and organs T=field temperature k=thermal conductivity ρ=density c=specific heat...

... of a feasible point (if one exists). The second phase involves the generation of an iterative sequence of feasible points that converge to the solution. Baodong Shao can be contacted at: shbd_1221@hotmail.com © Emerald Group Publishing Limited 2007 Optimization techniques Heat transfer...

... in the y‐direction. These two new walls will dissipate heat to the air streams through convection and the fin effect. Finite element analysis Heat exchangers Optimization techniques Neural nets Programming and algorithm theory a thickness of wall that separates the water and air...

... the basis of a shape optimization tool for flow design and to increase the knowledge within the field of computational fluid dynamics (CFD) and surrogate‐based optimization techniques. Findings Provides information about how crude the optimization method can be regarding, for example, the design...

... of r (equation (2)) Re Reynolds number, u_mD/ν Antonio Campo can be contacted at: acampo@emba.uvm.edu © Emerald Group Publishing Limited 2006 Optimization techniques Convection Cooling systems Electronic equipment and components...

... are derived in a format that can be easily implemented in optimization procedures for minimizing the thermal resistance of microchannel heat sinks. © Emerald Group Publishing Limited 2005 Optimization techniques Heat transfer Convection A_c=microchannel cross‐sectional...

... Limited 2005 Thermal resistance Finite element analysis Optimization techniques A_b=micro‐channel base area, m² A_c=micro‐channel cross‐sectional area (=H_CW_{C), m² Cp}...

... analysis Optimization techniques A_p=profile area, m² c=normalized radii ratio, r₁/r₂ h=convective coefficient, W/m² K H²=thermo‐geometric parameter, h(1...

... viscosity u¯_iu_j=average turbulent stress © Emerald Group Publishing Limited 2004 Turbulence Optimization techniques Modelling ε=rate of dissipation of turbulent kinetic energy σ_c=turbulent...

... wave transport model to define pressure rise on the ground. © Emerald Group Publishing Limited 2004 Optimization techniques Flow Aerodynamics Acoustic properties In shape design for transonic aircraft under cruise conditions, multi‐criteria aspects mainly concern the aerodynamic...

... of evolution: try variations of β, recalculate the flowfield and keep the ones that minimize (i.e. improve) the cost function I(β, u (β)). This class of optimization techniques are known as genetic algorithms (Crispin, 1994 ; Gage and Kroo, 1993 ; Quagliarella and Cioppa, 1994). While...

... Cavitation Optimization techniques A=aspect ratio of cavity, H/W c_p=specific isobaric heat capacity, J/kg C g=acceleration of gravity, m/s² h=local convective coefficient of internal fluid, W/m² C...

.... © Emerald Group Publishing Limited 2004 Simulation Optimization techniques Finite element analysis Numerical optimisation requires the definition of a design function. In the case of optimisation based on a heat transfer mechanism, this only needs to include variables...