Parametric design of diagrid tall buildings regarding structural efficiency

Ardekani, Amirreza; Dabbaghchian, Iman; Alaghmandan, Matin; Golabchi, Mahmood; Hosseini, Mahmood; Mirghaderi, Seyed Rasoul

doi:10.1080/00038628.2019.1704395

Cited by 16 publications

(9 citation statements)

References 16 publications

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“…In the meantime, parametric design has various applications in architecture: conservation [29], restoration [30], urbanism [31], landscape planning [32], green building [33], wind-based design [34], prefabricated buildings [35], wooden structures [36], design exploration [37], emulate patterns [38], analyzing performance [39], building structure analyses [40], visual comfort [41], and BIM [8]. It can also help to create less ecological damages: structural efficiency [42], sustainable building renovation [43], daylighting [44], and energy-efficient building form [45].…”

Section: Introductionmentioning

confidence: 99%

Bibliometric Analysis of Generative Design, Algorithmic Design, and Parametric Design in Architecture

Michelle

Gemilang²

2022

JARINA

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This research aims to display, compare, and analyze the keywords related to parametric design, generative design, and algorithmic design. Digital design has become increasingly inseparable from architects; thus, 3D modeling software has become a necessity for architects. The digital workflow has put computational design—generative design, algorithmic design, and parametric design—into importance. There are emerging trends for the past decade, and a bibliometric analysis can display information about trends in the literature. Literature trends may provide insight into the direction of computational design development. This study uses a bibliometric analysis with VOSviewer and data from Lens to identify the trends from 2011 to 2021. The result indicates several trends: artificial intelligence, computation, machine learning, visualization, and internet technology. The trend analysis needs to be continued in other computational design categories to find continuity in the findings.

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Section: Introductionmentioning

confidence: 99%

Bibliometric Analysis of Generative Design, Algorithmic Design, and Parametric Design in Architecture

Michelle

Gemilang²

2022

JARINA

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“…Recent studies regarding this topic show the tendency to investigate diagrid models having different or irregular plan shapes and different structural analysis methods or tools in order to analyze these models. In Ardekani et al, [10] the structural efficiency of diagrid tall buildings was compared due to different plan shapes (triangle, hexagon, circle, etc.) and height section types (concave, convex, and regular) while having the same diagrid geometry.…”

Section: Introductionmentioning

confidence: 99%

Automated topology design of high‐rise diagrid buildings by genetic algorithm optimization

Orhan

Taşkin

2021

Structural Design Tall Build

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In this study, in order to determine the outer shell geometry of high-rise diagrid structures by means of minimum structural material utilization, simplified strengthand stiffness-based design methods are encoded in MATLAB with the help of SAP2000 OAPI (Open Application Programming Interface) codes and genetic algorithm (GA). The computer code is designed to get most of the inputs from the building model in SAP2000, to have minimal manual inputs that define diagrid shell geometry. The code is also built so that the engineer evaluates the optimum diagrid geometry for any rectangular plan building, which is modeled in SAP2000 software.Three different buildings, which consist of 30, 60, and 90 stories, are modeled in SAP2000 without diagrid shells on facades. Based on these models, the diagrid shell geometries are analyzed for both uniform angle (UA) and varying angle (VA) geometries. A different geometry approach to VA models is proposed, consisting of symmetry and continuum for the load distribution and asymmetry, achieving minimal weight. In order to evaluate the optimum VA topology, GA, is used.Predetermined dead, live, and wind loads are applied to the models based on minimum design loads according to American Society of Civil Engineers (ASCE) 7-10, with corresponding load factors to be able to get more realistic results. Based on the resultant module diagonal cross-sectional areas, an algorithm is developed and encoded in order to determine minimum required pipe section sizes according to buckling design of compression members as stated in American Institute of Steel Construction (AISC) 360-10, to give the engineer an approximate idea of what the required sections should be. Additionally, the feasibility of the optimum models is compared by complexity index parameters. The results of the analyses show that optimum VA models are more efficient than UA models concerning the diagrid shell's total weight. However, UA models are more feasible, according to complexity index values.

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“…Given the design variables, that is, diagonal angle and bending ductility to shear ratio, it is not possible, even for a particular case study, to predict the “dominant” approach, that is, whether the overall stiffness demand is dominating the design approach or the member's strength resistance. [ 12,13 ] An axial force is the major internal force in diagonal members, and the preliminary design of diagrids based on axial force is a logical assumption. Current design codes also do not provide any specific values for diagrid ductility, overresistance, and response correction factors, and using the smallest values for these factors is largely conservative for diagrids.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of dynamic analysis of diagrid tall steel building subjected to wind with control approach of operation and acceleration criteria

Hooshmand

Kazemi

Zareei

2021

Structural Design Tall Build

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Summary Considering the widespread use of diagrid systems in tall buildings, research on the behavior of this structural system against wind and control of comfort criteria based on acceleration seems necessary. According to various regulations, it can be found that there is not much guidance for designing this structural system, and its requirements have not yet been included in the design regulations. Therefore, one of the most important objectives of the present study is to study and apply the diagrid structural system as one of the new structural systems in high‐rise buildings. For this purpose, the effect of various parameters, including the acceleration of stories and the base shear under the dynamic wind load, was evaluated which was less studied so far. It is expected that the performance of diagrid will be evaluated by more accurately understanding the diagrid in tall structures and examining the operation and comfort criteria based on acceleration against wind load using dynamic analysis of time history in three methods: Cholesky, ergodic, and autoregressive (AR). The results were compared with the formulas of ASCE7 regulations and AIJ‐GBV‐2004 and ISO 10137: 2007 and National Research Council of Canada (NBCC) comfort criteria. Studies show that the acceleration of diagrid system stories, based on the ASCE7 dynamic‐wind response prediction equations, has exceeded the allowable limit of ASCE 7 regulations (20 gal or 20 milli‐g). This is due to the overestimation of the ASCE 7 equations relative to the results of wind time history analysis. Hence, in the 50‐story structure, the maximum roof acceleration resulting from ASCE 7 equation is 1.83 times the analytical results, in 70‐story structure 2.07 times, and in the 100‐story structure 1.87 times the results of dynamic‐wind time history analysis.

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Parametric design of diagrid tall buildings regarding structural efficiency

Cited by 16 publications

References 16 publications

Bibliometric Analysis of Generative Design, Algorithmic Design, and Parametric Design in Architecture

Bibliometric Analysis of Generative Design, Algorithmic Design, and Parametric Design in Architecture

Automated topology design of high‐rise diagrid buildings by genetic algorithm optimization

Evaluation of dynamic analysis of diagrid tall steel building subjected to wind with control approach of operation and acceleration criteria

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