Search Results - "Bertram, C. D."

A Poroelastic Fluid/Structure-Interaction Model of Cerebrospinal Fluid Dynamics in the Cord With Syringomyelia and Adjacent Subarachnoid-Space Stenosis by Bertram, C D, Heil, M

“…An existing axisymmetric fluid/structure-interaction (FSI) model of the spinal cord, pia mater, subarachnoid space, and dura mater in the presence of…”
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Evaluation by fluid/structure-interaction spinal-cord simulation of the effects of subarachnoid-space stenosis on an adjacent syrinx by Bertram, C D

“…A finite-element numerical model was constructed of the spinal cord, pia mater, filum terminale, cerebrospinal fluid in the spinal subarachnoid space (SSS),…”
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Simulation of a chain of collapsible contracting lymphangions with progressive valve closure by Bertram, C D, Macaskill, C, Moore, Jr, J E

“…The aim of this investigation was to achieve the first step toward a comprehensive model of the lymphatic system. A numerical model has been constructed of a…”
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A numerical investigation of waves propagating in the spinal cord and subarachnoid space in the presence of a syrinx by Bertram, C.D.

“…The term syringomyelia describes fluid-filled cavities in the spinal cord, which can interfere with normal nerve signal transmission. The finite-element code…”
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The onset of flow-rate limitation and flow-induced oscillations in collapsible tubes by Bertram, C.D., Tscherry, J.

“…Experiments were mounted to investigate the onset in a ‘Starling resistor’ of collapsible-tube oscillation, at the lowest possible Reynolds number so as to…”
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Modelling secondary lymphatic valves with a flexible vessel wall: how geometry and material properties combine to provide function by Bertram, C. D.

“…A three-dimensional finite-element fluid/structure interaction model of an intravascular lymphatic valve was constructed, and its properties were investigated…”
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FLUID FLOW IN DISTENSIBLE VESSELS by Bertram, CD

“…SUMMARY 1 Flow in single vascular conduits is reviewed, divided into distended and deflated vessels. 2 In distended vessels with pulsatile flow, wave…”
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Measurement for implantable rotary blood pumps by Bertram, C D

“…Rotary blood pumps offer a cost-effective way to assist the failing heart. Relative to their pulsatile cousins, they can consist of remarkably few moving…”
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PIV measurements of the flow field just downstream of an oscillating collapsible tube by Bertram, C D, Truong, N K, Hall, S D

“…We probed the time-varying flow field immediately downstream of a flexible tube conveying an aqueous flow, during flow-induced oscillation of small amplitude,…”
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Three-dimensional collapse and steady flow in thick-walled flexible tubes by Marzo, A., Luo, X.Y., Bertram, C.D.

“…Three-dimensional collapse of and steady flow through finite-length elastic tubes are studied numerically. The Navier-Stokes equations coupled with large,…”
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The origins of syringomyelia: numerical models of fluid/structure interactions in the spinal cord by Bertram, C D, Brodbelt, A R, Stoodley, M A

“…A two-dimensional axi-symmetric numerical model is constructed of the spinal cord, consisting of elastic cord tissue surrounded by aqueous cerebrospinal fluid,…”
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The flow field downstream of an oscillating collapsed tube by Bertram, C D, Nugent, A H

“…A two-component laser Doppler anemometer was used to determine the velocity of aqueous flow in the region from 0.25 to 2.5 diameters downstream of a…”
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Modelling the coupling of the M-clock and C-clock in lymphatic muscle cells by Hancock, E.J., Zawieja, S.D., Macaskill, C., Davis, M.J., Bertram, C.D.

“…Chronic dysfunction of the lymphatic vascular system results in fluid accumulation between cells: lymphoedema. The condition is commonly acquired secondary to…”
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A computational model of a network of initial lymphatics and pre-collectors with permeable interstitium by Ikhimwin, B. O., Bertram, C. D., Jamalian, S., Macaskill, C.

“…Initial lymphatic vessels are made up of overlapped endothelial cells that act as unidirectional valves enabling one-way drainage of tissue fluid into the…”
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Correction to: A computational model of a network of initial lymphatics and pre-collectors with permeable interstitium by Ikhimwin, B. O., Bertram, C. D., Jamalian, S., Macaskill, C.

“…In the published paper, we argued that, although there appear to be no data available on the subject, it is inherently unlikely that lymph having traversed a…”
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Valve-related modes of pump failure in collecting lymphatics: numerical and experimental investigation by Bertram, C. D., Macaskill, C., Davis, M. J., Moore, J. E.

“…Lymph is transported along collecting lymphatic vessels by intrinsic and extrinsic pumping. The walls have muscle of a type intermediate between blood-vascular…”
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Flow-rate limitation in a uniform thin-walled collapsible tube, with comparison to a uniform thick-walled tube and a tube of tapering thickness by Bertram, C.D, Elliott, N.S.J

“…Previous experiments on a tapered-thickness tube showed qualitatively different behaviour from that exhibited by a uniform thick-walled tube. To understand…”
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Contraction of collecting lymphatics: organization of pressure-dependent rate for multiple lymphangions by Bertram, C. D., Macaskill, C., Davis, M. J., Moore, J. E.

“…The paper describes the extension of a previously developed model of pressure-dependent contraction rate to the case of multiple lymphangions. Mechanical…”
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Flow phenomena in floppy tubes by Bertram, CD

“…Collapsible tubes, which occur all over the body, have unique properties from the point of view of both physics and physiology. A brief review is attempted of…”
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Incorporating measured valve properties into a numerical model of a lymphatic vessel by Bertram, C.D., Macaskill, C., Moore, J.E.

“…An existing lumped-parameter model of multiple lymphangions (lymphatic vascular segments) in series is adapted for the incorporation of recent physiological…”
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