Advancing building engineering through structural and topology optimization

Zegard, Tomás; Hartz, Christian; Mazurek, Arek; Baker, William F.

doi:10.1007/s00158-020-02506-6

Cited by 14 publications

(8 citation statements)

References 69 publications

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“…Newly developed tools for cross-disciplinarity, namely involving architectural design into the structural design efforts for TO [343], will have an impact on structural design. One other interesting investigation analyses incremental loads and structural layouts in TO [472].…”

Section: A Broader Look Into the Construction Industrymentioning

confidence: 99%

Topology Optimisation in Structural Steel Design for Additive Manufacturing

2021

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Topology Optimisation is a broad concept deemed to encapsulate different processes for computationally determining structural materials optimal layouts. Among such techniques, Discrete Optimisation has a consistent record in Civil and Structural Engineering. In contrast, the Optimisation of Continua recently emerged as a critical asset for fostering the employment of Additive Manufacturing, as one can observe in several other industrial fields. With the purpose of filling the need for a systematic review both on the Topology Optimisation recent applications in structural steel design and on its emerging advances that can be brought from other industrial fields, this article critically analyses scientific publications from the year 2015 to 2020. Over six hundred documents, including Research, Review and Conference articles, added to Research Projects and Patents, attained from different sources were found significant after eligibility verifications and therefore, herein depicted. The discussion focused on Topology Optimisation recent approaches, methods, and fields of application and deepened the analysis of structural steel design and design for Additive Manufacturing. Significant findings can be found in summarising the state-of-the-art in profuse tables, identifying the recent developments and research trends, as well as discussing the path for disseminating Topology Optimisation in steel construction.

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Section: A Broader Look Into the Construction Industrymentioning

confidence: 99%

Topology Optimisation in Structural Steel Design for Additive Manufacturing

2021

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“…In the multiobjective topology optimization study, the weight coefficient of each load condition is obtained according to equation (9). To obtain the comprehensive objective of topology optimization, according to previous literature [25], the weights of compliance and frequency are 0.6 and 0.4, respectively.…”

Section: Multiobjective Topology Optimization Of Spherical Jointsmentioning

confidence: 99%

“…erefore, topology optimization is an effective way to reduce the weight of the structure and improve its mechanical properties. In comparison to other optimization methods, this method has greater benefits and broader applicability [7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Multiobjective Topology Optimization of Spatial‐Structure Joints

Zhu

Liu

2021

Advances in Civil Engineering

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To realize the static and dynamic multiobjective topology optimization of joints in spatial structures, structural topology optimization is carried out to maximize the stiffness under static multiload conditions and maximize the first third-order dynamic natural frequencies. According to the single-objective optimization results, the objective function of the multiobjective topology optimization of joints is established by using the compromise programming method, and the weight coefficient of each static load condition is determined by using the analytic hierarchy process. Subsequently, under the constraint of the volume fraction, the multiobjective topology optimization of joints is realized by minimizing the multiobjective function. Finally, the optimized structure is smoothed to obtain a smoother joint, and its mechanical properties are compared with those of the hollow ball joint. The results indicate that the multiobjective topology optimization that considers the static stiffness and dynamic frequency can effectively improve the mechanical properties of the structure. Through the research on multiobjective topology optimization, a new type of spatial joint with reasonable stress, a novel form, and aesthetic shape can be obtained, which mitigates the shortcomings of single-objective topology optimization. In comparison to hollow spherical joints with the same weight, topology-optimized joints have a superior ability to resist deformation and improve low-order frequency, which verifies the feasibility of applying multiobjective topology optimization to the lightweight design of joints.

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“…Methodologically we follow most closely the stress-based formulation of Zegard et al [ZP15], and utilize the thesis of Freund [Fre04] as a reference. Ground structure-like methods have been applied for designing everything from buildings [ZHMB20] The input to our method is a scene composed of many levitating rigid objects. The output of our method is a collection of rods tucked away behind object occlusions, holding each object in force and torque equilibrium under gravity.…”

Section: Related Workmentioning

confidence: 99%

Levitating Rigid Objects with Hidden Rods and Wires

Kushner

Ulinski

Singh

et al. 2021

Computer Graphics Forum

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Models from Poly by Google and Olivia Wynn under CC-BY 3.0 Figure 1: Our optimization finds hidden supports to hold rigid objects (green) in their locations despite gravity. Rods (orange) resist tension, compression and bending, while wires (black) resist tension. Supports connect between objects or to the input support surface (blue). Rods are hidden behind occlusions in the scene for a possibly disconnected distribution of viewpoints (red) provided by the user. Here, a collection of space-themed objects seemingly hover in the corner of a room. The supporting truss is hidden from the front and through the window.

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Advancing building engineering through structural and topology optimization

Cited by 14 publications

References 69 publications

Topology Optimisation in Structural Steel Design for Additive Manufacturing

Topology Optimisation in Structural Steel Design for Additive Manufacturing

Multiobjective Topology Optimization of Spatial‐Structure Joints

Levitating Rigid Objects with Hidden Rods and Wires

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