Results 61 to 70 of about 8,515,340 (337)
A shape optimization algorithm for interface identification allowing topological changes
, 2017 In this work we investigate a combination of classical PDE constrained optimization methods and a rounding strategy based on shape optimization for the identification of interfaces.
Siebenborn, Martin
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Shape optimization for surface functionals in Navier--Stokes flow using a phase field approach [PDF]
, 2015 We consider shape and topology optimization for fluids which are governed by the Navier--Stokes equations. Shapes are modelled with the help of a phase field approach and the solid body is relaxed to be a porous medium.
Garcke, Harald +4 more
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The stress-minimizing hole in a shear-loaded elastic plate at a given energy increment
Archives of Mechanics, 2022 Minimization of the peak tangential stresses around a single hole in an infinite 2D elastic plate under remote pure shear and a given hole-induced strain energy level is considered as a free-shape optimization problem under a physical constraint.
S. Vigdergauz
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Worst-case shape optimization for the Dirichlet energy [PDF]
, 2016 We consider the optimization problem for a shape cost functional $F(\Omega,f)$ which depends on a domain $\Omega$ varying in a suitable admissible class and on a "right-hand side" $f$. More precisely, the cost functional $F$ is given by an integral which
Bellido, José Carlos +2 more
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Superpixels Optimized by Color and Shape [PDF]
, 2018 Image over-segmentation is formalized as the approximation problem when a large image is segmented into a small number of connected superpixels with best fitting colors. The approximation quality is measured by the energy whose main term is the sum of squared color deviations over all pixels and a regularizer encourages round shapes.
Vitaliy Kurlin, Donald Harvey
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Shape optimization of an acoustic horn [PDF]
Computer Methods in Applied Mechanics and Engineering, 2003 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Bängtsson, Erik +2 more
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SIAM Journal on Mathematical Analysis, 2022 The paper studies a class of variational problems, modeling optimal shapes for tree roots. Given a measure $μ$ describing the distribution of root hair cells, we seek to maximize a harvest functional $\mathcal{H}$, computing the total amount of water and nutrients gathered by the roots, subject to a cost for transporting these nutrients from the roots ...
Alberto Bressan +2 more
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Computer Methods in Applied Mechanics and Engineering, 2019 The boundary element method (BEM) is a powerful tool in computational acoustics, because the analysis is conducted only on structural surfaces, compared to the finite element method (FEM) which resorts to special techniques to truncate infinite domains ...
Leilei Chen +5 more
semanticscholar +1 more source
Journal of Marine Science and EngineeringThis study investigated the motion stability of underwater gliders and optimized their shape to enhance hydrodynamic performance. Given the critical role of stability in underwater operations, a multi-objective optimization framework was developed ...
Tian Zhang +3 more
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Energies, 2018 In this paper, a shape optimization method of a truncated conical point absorber wave energy converter is proposed. This method converts the wave energy absorption efficiency into the matching problem between the wave spectrum of the South China Sea and ...
Yadong Wen +6 more
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