School based optimization algorithm for design of steel frames

M Farshchin, M Maniat, CV Camp, S Pezeshk - Engineering Structures, 2018 - Elsevier
In this paper, a school-based optimization (SBO) algorithm is applied to the design of steel
frames. The objective is to minimize total weight of steel frames subjected to both strength …

Application of new hybrid optimization technique for parameter estimation of new improved version of Muskingum model

M Niazkar, SH Afzali - Water resources management, 2016 - Springer
The Muskingum method is one of the most utilized lumped flood routing model in which
calibration of its parameters provides an active area of research in water resources …

Parameter estimation of an improved nonlinear Muskingum model using a new hybrid method

M Niazkar, SH Afzali - Hydrology Research, 2017 - iwaponline.com
Although various techniques have been proposed to estimate the parameters of different
versions of the Muskingum model, more rigorous techniques and models are still required to …

New nonlinear variable-parameter Muskingum models

M Niazkar, SH Afzali - KSCE Journal of Civil Engineering, 2017 - Springer
The Muskingum model has been widely utilized for flood routing by water resources
engineers for decades. Since the relation between channel storage and weighted …

Bridge backwater estimation: A comparison between artificial intelligence models and explicit equations

M Niazkar, N Talebbeydokhti, SH Afzali - Scientia Iranica, 2021 - scientiairanica.sharif.edu
Estimation of bridge backwater has been one of practical challenges in hydraulic
engineering for decades. In this study, Genetic Programming (GP) has been applied for …

Developing a new accuracy-improved model for estimating scour depth around piers using a hybrid method

M Niazkar, SH Afzali - Iranian Journal of Science and Technology …, 2019 - Springer
In spite of various methods applied for determining scouring depth around piers, the
empirical models are the ones utilized in practice more than others. In this regard, the …

Development of a new flow-dependent scheme for calculating grain and form roughness coefficients

M Niazkar, N Talebbeydokhti, SH Afzali - KSCE Journal of Civil …, 2019 - Springer
Estimating channel roughness is crucial for whatever engineering plans that have been in
mind for any reach under consideration. Not only is resistance coefficient not a measurable …

[HTML][HTML] A grouping method for optimization of steel skeletal structures by applying a combinatorial search algorithm based on a fully stressed design

TR van Woudenberg, FP van Der Meer - Engineering Structures, 2021 - Elsevier
In the design of steel structures, optimization methods can find minimum weight solutions.
However, the solutions tend to have a high diversity of profiles, thereby raising costs …

Intelligent optimization method for complex steel structures based on internal force state

H Li, J Liu, J Li, W Wei, W Shan - Journal of Constructional Steel Research, 2024 - Elsevier
Complex long-span spatial structure is widely used in large public buildings. Due to its huge
workload in the structural design process, taking into account the economy and safety of the …

[HTML][HTML] Application of new hybrid method in developing a new semicircular-weir discharge model

M Niazkar, SH Afzali - Alexandria engineering journal, 2018 - Elsevier
Circular weirs have been utilized as a flow-measuring device in open channel hydraulics.
Since the corresponding theoretical equation for computing discharge is not adequately …