A web‐based educational software for structural dynamics

Panagiotopoulos, Christos G.; Manolis, George D.

doi:10.1002/cae.21735

Cited by 13 publications

(9 citation statements)

References 17 publications

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“…Improving teaching methods and learning processes for the course of “Hydrodynamic, Resistance, and Propulsion” in the degree of naval architecture by combining information and communication technologies and CFD was reported by Gutiérrez and Zamora . Panagiotopoulos and Manolis reported a web‐based training package to teach structural dynamics in civil engineering, as well as to provide an easily accessible online interactive experimentation tool that is useful for both undergraduate and graduate courses. Implementing such a course on CFD will help the students to visualize the flow physics behind the Partial Differential Equations (PDEs), which they study in a basic “Transport Phenomena” and “Fluid Mechanics” course.…”

Section: Introductionmentioning

confidence: 99%

Teaching turbulent flow through pipe fittings using computational fluid dynamics approach

Gajbhiye

Kulkarni

Tiwari

et al. 2020

Engineering Reports

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The largest network of fluid transportation in the world is through pipelines.During the transportation of fluids through pipes, several "fittings" are used in the piping system such as elbows, T-junctions, reducers, expanders, bends, couplings, valves, etc. The flow complexities in pipe fittings are accounted for the pressure drop in piping network design. The pressure drop is estimated using the loss coefficient or equivalent length method using standard charts. Computational fluid dynamics (CFD) is a reliable tool to estimate pressure drop and understand nonidealities in pipe fittings. The use of CFD in the advanced level course in transport phenomena/fluid flow for piping network design can help students to implement modern mathematical tools as well as evaluate standard protocols followed in the industries. In this article, an interactive teaching methodology has been implemented to investigate the hydrodynamics in various pipe fittings (elbow, bend, Tee, and reducer) by actually visualizing the flow. The three-dimensional flow visualization is used to demonstrate the nonidealities such as separation, swirling, dead zones, etc. The CFD simulations of pipe fittings provided a new learning experience to the students that would help them to predict the pressure drops in industrial piping network systems. The outcome from the students' survey showed that the proposed CFD methodology assisted them to gain a better understanding of conventional Chemical Engineering subjects of "Transport Phenomena" and "Fluid Dynamics" in an innovative way. K E Y W O R D Scomputational fluid dynamics, head loss coefficient, pipe fittings, turbulence models 1

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Section: Introductionmentioning

confidence: 99%

Teaching turbulent flow through pipe fittings using computational fluid dynamics approach

Gajbhiye

Kulkarni

Tiwari

et al. 2020

Engineering Reports

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“…The dampening effect of the TLCD is simulated by adding a "damper" mass to the top story. Given the low complexity of the numerical analysis, for simulating the shear frame structure the Dynasoft educational software package developed at Artistotle University of Thessaloniki is employed [19]. Since the excitation is studied only in one direction, the shear frame is simulated as a two-directional (plane) frame, by evenly distributing the stiffness of each story of the shear frame structure to the two columns of the corresponding story of the plane frame.…”

Section: Validation Testsmentioning

confidence: 99%

Automated Wireless Structural Health Monitoring and Control Using Tuned Liquid Column Dampers

Dragos¹,

Manolis²,

Smarsly³

2019

Proceedings of the 7th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COM

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Current trends in structural design and retrofit frequently dictate artificially modifying the structural behavior in an attempt to target unfavorable loading scenarios expected to compromise the fulfilment of stability and serviceability criteria. Particularly in structures where operational requirements result in adopting unconventional structural systems, usually falling outside the scope of codified regulations and guidelines, adapting the structural behavior by means of structural subsystems has been widespread. Referred to as "structural control", enhancing the ability of structures to adapt to unfavorable loading conditions encompasses attaching structural subsystems, such as dampers, to the main structure. Moreover, the increasing application of structural health monitoring (SHM) for structural assessment and maintenance has fueled research in coupling SHM with structural control, thus paving the way for developing structural systems capable of autonomously adapting structural properties. In this context, this paper describes a preliminary approach to automated structural health monitoring and control by coupling a wireless SHM system with a tuned liquid column damper (TLCD). The wireless SHM system is equipped with embedded algorithms managing SHM tasks, such as data sampling and data processing, and with actuators able to modify the properties of the TLCD based on any user-defined control algorithm. The proposed approach serves as a first step towards fully automated structural health monitoring and control and is validated through laboratory tests on a four-story shear frame structure equipped with a wireless SHM system and a TLCD on the top story.

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“…Step 4: Once qs,o is obtained, the resulting shear flows q for each panel can be computed by adding qb and qs,o from equation (6).…”

Section: Shear Centrementioning

confidence: 99%

“…Programming software has been created before to help in the education of less complicated courses such as Mechanics of Solids [4], [5], Dynamics, Calculus and Statics. DYNASOFT is an educational package which is web based and aids in the learning process of structural dynamics [6]. Similarly, SECav is an educational software which supports the learning and teaching process of numerical calculus courses [7].…”

Section: Introductionmentioning

confidence: 99%

Educational Software for Stress Analysis of Idealized Closed Thin Walled Sections

Ali¹,

Fadhila²,

Burhani³

et al. 2018

IJET

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Aerospace structures are typically semi-monocoque structures that are made up of thin-walled closed section reinforced with stiffeners. Stress analysis of such closed thin-walled structures which are statically indeterminate is tedious and time consuming. An educational software which can aid students in carrying out stress analysis of such idealized thin-walled closed sections has been developed. The software enables students to select different types of wing torsion box sections with stiffeners, which may be subjected to bending, shear or torsional loads and evaluate the resulting stresses on it. The software allows the student to idealize a selected twin spar unsymmetrical wing section with multiple booms under multiple loads. Results from this software have been validated against the results in the literature. The software has been developed using MATLAB with graphical user interface (GUI) which is very user friendly.

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A web‐based educational software for structural dynamics

Cited by 13 publications

References 17 publications

Teaching turbulent flow through pipe fittings using computational fluid dynamics approach

Teaching turbulent flow through pipe fittings using computational fluid dynamics approach

Automated Wireless Structural Health Monitoring and Control Using Tuned Liquid Column Dampers

Educational Software for Stress Analysis of Idealized Closed Thin Walled Sections

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