[PDF][PDF] Pseudospectral approach to the shape optimization of beams under buckling constraints

HMA Abdalla - Eur. J. Comput. Mech, 2022 - researchgate.net
In this article, a direct transcription approach to the minimization of the volume of elastic
straight beams undergoing plane deformation and subject to buckling loads is presented. In …

Lower bound estimate for buckling in axially graded cantilever rods

HMA Abdalla, JN Srnec… - Engineering research …, 2020 - iopscience.iop.org
Functionally graded beams, bars and rods have been gaining a relevant consideration in
engineering practice and research, taking into account variations of the material properties …

Direct transcription approach to dynamic optimization problems in engineering

HMA Abdalla, D Casagrande - Journal of Applied and Computational …, 2022 - jacm.scu.ac.ir
The direct transcription method that employs global collocation at Legendre-Gauss-Radau
points is addressed and applied to infinite-dimensional dynamic optimization problems in …

The approximate solutions of large deflection of a cantilever beam under a point load

B Meng, C Lian, J Zhang, H Jing… - Mathematical …, 2023 - Wiley Online Library
By integrating the physical and time domains with the Galerkin method and adopting
approximate solutions satisfying the boundary conditions, a set of algebraic equations of …

Optimal area variation for maximum stiffness isostatic beams under parametric linear distributed loads

HMA Abdalla, D Casagrande - Mechanics Research Communications, 2021 - Elsevier
The stiffness maximization of elastic straight Euler-Bernoulli beams under the action of
linearly distributed loads is addressed. The goal is achieved by minimizing the average …

A mechanics model in design of flexible nozzle with multiple movable hinge boundaries

C Yu, Z Li, Z Zhang, L Meng, G Wang, Y Shi, C Gao - Heliyon, 2023 - cell.com
In this paper, we propose a modified variational approach to predict the morphology of the
flexible nozzle used in wind tunnel. Different from previous studies, the movements of the …

A generalized variational method and its applications in design of the single-jack flexible nozzle

Z Li, C Yu, LC Meng, L Qi, J Qiu… - Journal of Applied …, 2022 - asmedigitalcollection.asme.org
Nozzle facilities, which can generate high Mach number flows, are the core portions of the
supersonic wind tunnel. Different from traditional fixed nozzles, a flexible nozzle can deform …

Theoretical optimal shape of a longest reach cantilever

TM Atanackovic - European Journal of Physics, 2021 - iopscience.iop.org
The problem of finding the shape of initially straight elastic cantilever that minimizes volume,
and satisfies certain condition at the free end is analyzed. The recently analyzed longest …

[PDF][PDF] A NOTE ON THE HEAVY LONGEST REACH CANTILEVER: AN UNCONVENTIONAL OPTIMIZATION PROBLEM

C Dolicanin, E Kacapor… - APPLIED AND …, 2023 - researchgate.net
We analyze the problem of finding the shape of a heavy cantilever that minimizes volume
and satisfies certain condition at the free end that corresponds to the so-called longest reach …

A dynamic optimization setting for problems in structural mechanics

HMA Abdalla - 2022 - air.uniud.it
This dissertation is focused on the utility of variational principles and the vast possibilities
they offer as powerful tools for a suggestive use to solve optimization problems in structural …