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Evaluation by Fluid/Structure-Interaction Spinal-Cord Simulation of the Effects of Subarachnoid-Space Stenosis on an Adjacent Syrinx
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A finite-element numerical model was constructed of the spinal cord, pia mater, filum terminale, cerebrospinal fluid in the spinal subarachnoid space (SSS), and dura mater. The cord was hollowed ...
Possible Sources of Discrepancy Between Sphygmomanometer Cuff Pressure and Blood Pressure Quantified in a Collapsible-Tube Analogue
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper examines the assumption that the audible events detected as Korotkov sounds in sphygmomanometry occur when blood pressure equals arm-cuff pressure. Several effects that contribute to ...
Erratum: “Possible Sources of Discrepancy Between Sphygmomanometer Cuff Pressure and Blood Pressure Quantified in a Collapsible-Tube Analogue” (Journal of Biomechanical Engineering, 1992, 114, pp. 68–77)
Publisher: The American Society of Mechanical Engineers (ASME)
A General Method of Determining the Frequency-Dependent Propagation Coefficient and Characteristic Impedance of an Artery in the Presence of Reflections
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An iterative method of calculating propagation parameters at harmonics of heart rate for a uniform vascular segment from a combination of four arterial waveform measurements is presented. ...
LDA Measurements of Velocities in a Simulated Collapsed Tube
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A perspex (plexiglas) tube was locally deformed into an almost bi-lobar interior cross section, representative of the localized throat at the downstream end of a collapsed tube conveying a flow. ...
The Flow Field Downstream of an Oscillating Collapsed Tube
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: 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 collapsible tube while the tube was executing ...
Oscillations in a Collapsed-Tube Analog of the Brachial Artery Under a Sphygmomanometer Cuff
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To determine whether self-excited oscillations in a Starling resistor are relevant to physiological situations, a collapsible tube conveying an aqueous flow was externally pressurized along only ...
PIV Measurements of the Flow Field Just Downstream of an Oscillating Collapsible Tube
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We probed the time-varying flow field immediately downstream of a flexible tube conveying an aqueous flow, during flow-induced oscillation of small amplitude, at time-averaged Reynolds numbers ...
The Origins of Syringomyelia: Numerical Models of Fluid/Structure Interactions in the Spinal Cord
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A two-dimensional axi-symmetric numerical model is constructed of the spinal cord, consisting of elastic cord tissue surrounded by aqueous cerebrospinal fluid, in turn surrounded by elastic dura. ...
Laser-Doppler Measurements of Velocities Just Downstream of a Collapsible Tube During Flow-Induced Oscillations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The flow field less than one diameter downstream of the end of a collapsible tube executing self-excited oscillations was examined using a two-component fiber-optic laser-Doppler anemometer. The ...
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