Zobrazeno 1 - 10
of 24
pro vyhledávání: '"T.E. Bruns"'
Publikováno v:
Journal of the Mechanics and Physics of Solids. 60:351-378
We describe a systematic approach to design material microstructures to achieve desired energy propagation in a two-phase composite plate. To generate a well-posed topology optimization problem we use the relaxation approach which requires homogeniza
Publikováno v:
Computer Methods in Applied Mechanics and Engineering. 200:985-996
In shape optimization, the independent node movement approach, wherein finite element node coordinates are used directly as design variables, allows the most freedom for shape change and avoids the time-consuming parameterization preprocess. However,
Publikováno v:
Structural and Multidisciplinary Optimization. 41:605-620
We propose an effective algorithm to resolve the stress-constrained topology optimization problem. Our procedure combines a density filter for length scale control, the solid isotropic material with penalization (SIMP) to generate black-and-white des
Autor:
T.E. Bruns
Publikováno v:
Computer Methods in Applied Mechanics and Engineering. 196:4430-4443
In traditional structural topology optimization (TO), the material properties of continuum finite elements of fixed form and coupling are varied to find the optimal topology that satisfies the design problem. We develop an alternative, fundamental fo
Autor:
T.E. Bruns
Publikováno v:
International Journal of Heat and Mass Transfer. 50:2859-2873
The current push in the topology optimization community is to apply topology optimization to mechanics problems beyond typical structural design to other physical domains. Here, a framework for topology optimization of nonlinear steady-state heat tra
Autor:
T.E. Bruns
Publikováno v:
Computer Methods in Applied Mechanics and Engineering. 196:566-578
In topology optimization, the notion of topology is introduced into the analysis by assigning density design variables to positions throughout the design domain. The standard practice is to set the lower bound values of the density design variables s
Autor:
T.E. Bruns
Publikováno v:
Structural and Multidisciplinary Optimization. 30:428-436
The most popular way to introduce the notion of topology into the structural analysis of the topology optimization problem is through the Solid Isotropic Material with Penalization (SIMP) method. The fundamental principle behind its use requires a de
Autor:
Ole Sigmund, T.E. Bruns
Publikováno v:
Computer Methods in Applied Mechanics and Engineering. 193:3973-4000
Topology optimization has proven to be a powerful method for the conceptual design of structures and mechanisms. In previously published work, we concentrated on the development of numerical methods that accommodate the finite deformation and incorpo
Autor:
Daniel A. Tortorelli, T.E. Bruns
Publikováno v:
International Journal for Numerical Methods in Engineering. 57:1413-1430
A method is developed to systematically remove and reintroduce low density elements from and into the finite element mesh on which the structural topology optimization problem is defined. The material density field which defines the topology and the
Publikováno v:
Technical University of Denmark Orbit
The inclusion of non-linear elastic analyses into the topology optimization problem is necessary to capture the finite deformation response, e.g. the geometric non-linear response of compliant mechanisms. In previous work, the non-linear response is