Suchergebnisse - Geometrical methods for optimization problems in solid mechanics

Topology optimization of sandwich structures with solid-porous hybrid infill under geometric constraints von Chen, Xiaokai, Li, Chao, Bai, Yingchun

“… of additive manufacturing. This paper presents a topology optimization method to generate sandwich structures with solid-porous hybrid infill, in which this design feature of hybrid infill will improve the structural …”
Volltext

Non-probabilistic reliability-based topology optimization of geometrically nonlinear structures using convex models von Kang, Zhan, Luo, Yangjun

“… This paper describes a non-probabilistic reliability-based topology optimization method for the design of continuum structures undergoing large deformations …”
Volltext

A 2D topology optimisation algorithm in NURBS framework with geometric constraints von Costa, Giulio, Montemurro, Marco, Pailhès, Jérôme

“… In this paper, the solid isotropic material with penalisation (SIMP) method for topology optimisation of 2D problems is reformulated in the non-uniform rational BSpline (NURBS) framework …”
Volltext

Geometric Aspects of Shape Optimization von Plotnikov, Pavel I., Sokolowski, Jan

“… We consider smooth perturbations of geometrical domains in order to develop the shape calculus for the analysis of shape optimization problems …”
Volltext

Stress-based topology optimization with discrete geometric components von Zhang, Shanglong, Gain, Arun L., Norato, Julián A.

“… In this paper, we introduce a framework for the stress-based topology optimization of structures made by the assembly of discrete geometric components, such as bars and plates, that are described …”
Volltext

The hp-d-adaptive finite cell method for geometrically nonlinear problems of solid mechanics von Schillinger, D., Düster, A., Rank, E.

“… ‐version of the finite element method and adaptive integration. For problems of linear elasticity, it offers high convergence rates and simple mesh generation, irrespective of the geometric complexity involved …”
Volltext

Inverse geometric optimization for geometry of nanofluid-cooled microchannel heat sink von Wang, Xiao-Dong, An, Bin, Lin, Lin, Lee, Duu-Jong

“… % particle volume fraction was performed under a constant pumping power constraint. A three-dimensional fluid-solid conjugated MCHS model combining the simplified-conjugate-gradient-method was used as the optimization tool …”
Volltext

Extruded-geometric-component-based 3D topology optimization von Hoang, Van-Nam, Nguyen-Xuan, H.

“… A three-dimensional (3D) topology optimization approach based on extruded geometric components (EGCs) is proposed …”
Volltext

Body-fitted topology optimization of 2D and 3D fluid-to-fluid heat exchangers von Feppon, F., Allaire, G., Dapogny, C., Jolivet, P.

“… and their deformations, an efficient optimization algorithm for constrained shape optimization problems, and a numerical …”
Volltext

A nonintrusive finite-orthogonal-basis reduced-order model for accelerated computation of geometrically parameterized problems von Wang, Hongjiang, Qiao, Lijie, Dong, Han, Huang, Chaohui, Wang, Weizhe, Liu, Yingzheng

“… It’s challenging for most users of commercial software. Accordingly, we propose an innovative nonintrusive reduced-order methods including finite-orthogonal-basis geometrical-information reduced-order model (FBG-ROM …”
Volltext

Geometrical design of thermoelectric generators based on topology optimization von Takezawa, A., Kitamura, M.

“… SUMMARY This paper discusses an application of the topology optimization method for the design of thermoelectric generators …”
Volltext

A level set method for shape and topology optimization of large-displacement compliant mechanisms von Luo, Zhen, Tong, Liyong

“… A parameterization level set method is presented for structural shape and topology optimization of compliant mechanisms involving large displacements …”
Volltext

A topology optimization method based on the level set method incorporating a fictitious interface energy von Yamada, Takayuki, Izui, Kazuhiro, Nishiwaki, Shinji, Takezawa, Akihiro

“… This paper proposes a new topology optimization method, which can adjust the geometrical complexity of optimal configurations, using the level set method and incorporating a fictitious interface …”
Volltext

A Neo-Yeoh hyperelastic interpolation model for stable multi-material topology optimization under geometric nonlinearity von Song, Longlong, Wang, Fengwen, Gao, Tong, Zhang, Weihong

“… •The topology optimization framework based on Neo-Yeoh hyperelastic interpolation material model for multi-material problems is proposed …”
Volltext

Length scale control in density-based multi-material topology optimization von Song, Longlong, Zhao, Jian, Gao, Tong, Li, Jiajia, Tang, Lei, Li, Yang, Zhang, Weihong

“… The three-field approach is extended to multi-material topology optimization problems. The local constraints are built by introducing porosity and material rate to achieve MaxLSC for the solid and void phases, respectively …”
Volltext

A generalized Bayesian regularization network approach on characterization of geometric defects in lattice structures for topology optimization in preliminary design of 3D printing von Xie, Yuxi, Li, Shaofan, Wu, C. T., Lyu, Dandan, Wang, Chao, Zeng, Danielle

“… ) method in 2D boundary points registration problems. On the other hand, we have shown that the proposed GBRN method can find the possible geometric defects in the 3D …”
Volltext

How to improve efficiency and robustness of the Newton method in geometrically non-linear structural problem discretized via displacement-based finite elements von Magisano, Domenico, Leonetti, Leonardo, Garcea, Giovanni

“… In this paper we show how to significantly improve the robustness and the efficiency of the Newton method in geometrically non-linear structural problems discretized via displacement-based finite elements …”
Volltext

Structural topology optimization for frequency response problem using model reduction schemes von Yoon, Gil Ho

“… (QSRV) methods, which reduce the size of the dynamic stiffness matrix of dynamic structures, to calculate dynamic responses and sensitivity values with adequate efficiency and accuracy for topology …”
Volltext

ANN based optimization of nano-beam oscillations with intermolecular forces and geometric nonlinearity von Khan, Naveed Ahmad, Sulaiman, Muhammad, Lu, Benzhou

“… ) such as nano-beam actuators that contain cantilever and double cantilever beams. The singular nonlinear boundary value problem governing the beam-type actuators, including …”
Volltext

Nonlinear buckling optimization of composite structures considering “worst” shape imperfections von Lindgaard, Esben, Lund, Erik, Rasmussen, Kim

“… Nonlinear buckling optimization is introduced as a method for doing laminate optimization on generalized composite shell structures exhibiting nonlinear behaviour where the objective is to maximize the buckling load …”
Volltext