Articles with "structure interaction" as a keyword



Fluid-structure interaction of a pulsatile flow with an aortic valve model: A combined experimental and numerical study.

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Published in 2018 at "International journal for numerical methods in biomedical engineering"

DOI: 10.1002/cnm.2945

Abstract: The complex fluid-structure interaction problem associated with the flow of blood through a heart valve with flexible leaflets is investigated both experimentally and numerically. In the experimental test rig, a pulse duplicator generates a pulsatile… read more here.

Keywords: fluid structure; valve; flow; structure interaction ... See more keywords

Magnetic drug targeting simulations in blood flows with fluid-structure interaction.

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Published in 2018 at "International journal for numerical methods in biomedical engineering"

DOI: 10.1002/cnm.2954

Abstract: We present fluid-structure interaction simulations of magnetic drug targeting (MDT) in blood flows. In this procedure, a drug is attached to ferromagnetic particles to externally direct it to a specific target after it is injected… read more here.

Keywords: magnetic drug; structure interaction; drug; fluid structure ... See more keywords

Numerical modeling and development of a dual lung simulator using partitioned fluid–structure interaction approach for ventilator testing

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Published in 2022 at "International Journal for Numerical Methods in Biomedical Engineering"

DOI: 10.1002/cnm.3607

Abstract: New designs of mechanical ventilators require extensive testing before utilizing the ventilator on a patient. Test lungs are commonly used to understand the behavior of new designs of ventilators and the lung mechanics. The current… read more here.

Keywords: structure interaction; fluid structure; partitioned fluid; test ... See more keywords

Fluid-structure interaction study for biomechanics and risk factors in Stanford type A aortic dissection.

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Published in 2023 at "International journal for numerical methods in biomedical engineering"

DOI: 10.1002/cnm.3736

Abstract: Aortic dissection is a life-threatening condition with a rising prevalence in the elderly population, possibly as a consequence of the increasing population life expectancy. Untreated aortic dissection can lead to myocardial infarction, aortic branch malperfusion… read more here.

Keywords: fluid structure; aortic dissection; structure interaction; stanford type ... See more keywords

Fluid–Structure Interaction Analysis of Trapezoidal and Arc‐Shaped Membranes Mimicking the Organ of Corti

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Published in 2024 at "International Journal for Numerical Methods in Biomedical Engineering"

DOI: 10.1002/cnm.3896

Abstract: In a previous study [H. Shintaku et al., Sensors and Actuators A: Physical 158 (2010): 183–192], an artificially developed auditory sensor device showed a frequency selectivity in the range from 6.6 to 19.8 kHz in air… read more here.

Keywords: fluid structure; membrane; structure interaction;

Left Heart Hemodynamics Simulations With Fluid–Structure Interaction and Reduced Valve Modeling

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Published in 2025 at "International Journal for Numerical Methods in Biomedical Engineering"

DOI: 10.1002/cnm.70088

Abstract: The combination of reduced models of cardiac valve dynamics with a one‐way kinematic uncoupling of blood flow and electromechanics is a widespread approach for reducing the complexity of cardiac hemodynamics simulations. This comes, however, with… read more here.

Keywords: hemodynamics simulations; hemodynamics; fluid structure; structure interaction ... See more keywords

Mesh adaptation framework for embedded boundary methods for computational fluid dynamics and fluid‐structure interaction

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Published in 2019 at "International Journal for Numerical Methods in Fluids"

DOI: 10.1002/fld.4728

Abstract: Embedded Boundary Methods (EBMs) are often preferred for the solution of Fluid‐Structure Interaction (FSI) problems because they are reliable for large structural motions/deformations and topological changes. For viscous flow problems, however, they do not track… read more here.

Keywords: fluid; embedded boundary; framework; boundary methods ... See more keywords

Coupled Adjoint-Based Sensitivities in Large-Displacement Fluid-Structure Interaction using Algorithmic Differentiation

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Published in 2018 at "International Journal for Numerical Methods in Engineering"

DOI: 10.1002/nme.5700

Abstract: Summary A methodology for the calculation of gradients with respect to design parameters in general Fluid-Structure Interaction problems is presented. It is based on fixed-point iterations on the adjoint variables of the coupled system using… read more here.

Keywords: fluid structure; using algorithmic; algorithmic differentiation; structure interaction ... See more keywords

A numerical study of partitioned fluid‐structure interaction applied to a cantilever in incompressible turbulent flow

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Published in 2019 at "International Journal for Numerical Methods in Engineering"

DOI: 10.1002/nme.6245

Abstract: This study presents an approach for partitioned fluid-structure interaction (FSI) applied to large structural deformations, where an incompressible turbulent solver is combined with a structural solver. The implementation is based upon two different open-source libraries… read more here.

Keywords: structure interaction; partitioned fluid; study; incompressible turbulent ... See more keywords

Fluid‐Structure Interaction Simulation of Mitral Valve Structures in a Left Ventricle Model

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Published in 2025 at "International Journal for Numerical Methods in Engineering"

DOI: 10.1002/nme.70031

Abstract: Simulations of blood flow in patient‐specific models of heart ventricles is a rapidly developing field of research, showing promise to improve future treatment of heart diseases. Fluid‐structure interaction simulation of the mitral valve, with its… read more here.

Keywords: fluid structure; mitral valve; structure; structure interaction ... See more keywords

Adjoint shape optimization for fluid–structure interaction of ducted flows

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Published in 2018 at "Computational Mechanics"

DOI: 10.1007/s00466-017-1465-5

Abstract: Based on the coupled problem of time-dependent fluid–structure interaction, equations for an appropriate adjoint problem are derived by the consequent use of the formal Lagrange calculus. Solutions of both primal and adjoint equations are computed… read more here.

Keywords: fluid structure; structure interaction; optimization; structure ... See more keywords