Search results for: Ghanshyam G. Tejani

Items from 1 to 5 out of 5 results

article

Modified symbiotic organisms search for structural optimization

Sumit Kumar, Ghanshyam G. Tejani, Seyedali Mirjalili

Engineering with Computers > 2019 > 35 > 4 > 1269-1296

The structural dynamic response predominantly depends upon natural frequencies which fabricate these as a controlling parameter for dynamic response of the truss. However, truss optimization problems subjected to multiple fundamental frequency constraints with shape and size variables are more arduous due to its characteristics like non-convexity, non-linearity, and implicit with respect to design...

article

Topology optimization of truss subjected to static and dynamic constraints by integrating simulated annealing into passing vehicle search algorithms

Ghanshyam G. Tejani, Vimal J. Savsani, Sujin Bureerat, Vivek K. Patel, more

Engineering with Computers > 2019 > 35 > 2 > 499-517

Three modified versions of passing vehicle search (PVS) are proposed and tested on truss topology optimization with static and dynamic constraints. PVS works on the mechanism of passing a vehicle on a two-lane highway. The heuristic nature of PVS allows the search to jump into non-visited regions (exploration) and also permits a local search of visited regions (exploitation). First, the original PVS...

article

Truss optimization with natural frequency bounds using improved symbiotic organisms search

Ghanshyam G. Tejani, Vimal J. Savsani, Vivek K. Patel, Seyedali Mirjalili

Knowledge-Based Systems > 2018 > 143 > C > 162-178

Many engineering structures are subjected to dynamic excitation, which may lead to undesirable vibrations. The multiple natural frequency bounds in truss optimization problems can improve dynamic behaviour of structures. However, shape and size variables with frequency bounds are challenging due to its characteristic, which is non-linear, non-convex, and implicit with respect to the design variables...

article

Modified meta-heuristics using random mutation for truss topology optimization with static and dynamic constraints

Vimal J. Savsani, Ghanshyam G. Tejani, Vivek K. Patel, Poonam Savsani

Journal of Computational Design and Engineering > 2017 > 4 > 2 > 106-130

In this paper, simultaneous size and topology optimization of planar and space trusses subjected to static and dynamic constraints are investigated. All the benchmark trusses consider discrete cross-sectional areas to consider the practical aspect of manufacturing. Moreover, Trusses are considered with multiple loading conditions and subjected to constraints for natural frequencies, element stresses,...

article

Adaptive symbiotic organisms search (SOS) algorithm for structural design optimization

Ghanshyam G. Tejani, Vimal J. Savsani, Vivek K. Patel

Journal of Computational Design and Engineering > 2016 > 3 > 3 > 226-249

The symbiotic organisms search (SOS) algorithm is an effective metaheuristic developed in 2014, which mimics the symbiotic relationship among the living beings, such as mutualism, commensalism, and parasitism, to survive in the ecosystem. In this study, three modified versions of the SOS algorithm are proposed by introducing adaptive benefit factors in the basic SOS algorithm to improve its efficiency...

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Keywords

STRUCTURAL OPTIMIZATION (3)
EXPLOITATION (2)
EXPLORATION (2)
FREQUENCY (2)
META-HEURISTICS (2)
METAHEURISTIC (2)
SHAPE AND SIZE OPTIMIZATION (2)
TRUSS OPTIMIZATION (2)
ADAPTIVE MECHANISM (1)
BUCKLING (1)
CEC2014 (1)
DISCRETE OPTIMIZATION (1)
HEAT TRANSFER SEARCH (1)
MODIFIED ALGORITHM (1)
NATURAL FREQUENCY (1)
PARALLEL COMPUTING (1)
PASSING VEHICLE SEARCH (1)
STATIC AND DYNAMIC CONSTRAINTS (1)
SYMBIOTIC ORGANISMS SEARCH (SOS) (1)
TEACHING–LEARNING-BASED OPTIMIZATION (1)
WATER WAVE OPTIMIZATION (1)
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Elsevier (3)
Springer (2)

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Search results for: Ghanshyam G. Tejani

Modified symbiotic organisms search for structural optimization

Topology optimization of truss subjected to static and dynamic constraints by integrating simulated annealing into passing vehicle search algorithms

Truss optimization with natural frequency bounds using improved symbiotic organisms search

Modified meta-heuristics using random mutation for truss topology optimization with static and dynamic constraints

Adaptive symbiotic organisms search (SOS) algorithm for structural design optimization

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